Android Studio: White Space Formatting Strategy Factory error - android

When this error first accured i was working on a project, i tried to create a new java class but no matter how many times i hit the ok button it just wouldn't create the file and give me that error.
Than when i opened the error log it said there was an exception in the groovy plugin so i disabled it and than enabled it again but it didn't help too. I deleted the whole project and tried to create a new one. But it didn't create a new project either. It just kept giving me this error.
Is there anyone who knows how to fix it ? In couple of days i am supposed to present my thesis so i am in a hurry.
this is the ss of the error;
This is what i get in the description of the error.
Illegal UTF8 string in constant pool in class file com/intellij/psi/formatter/WhiteSpaceFormattingStrategyFactory: Illegal UTF8 string in constant pool in class file com/intellij/psi/formatter/WhiteSpaceFormattingStrategyFactory
java.lang.ClassFormatError: Illegal UTF8 string in constant pool in class file com/intellij/psi/formatter/WhiteSpaceFormattingStrategyFactory
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at java.lang.ClassLoader.defineClass(ClassLoader.java:642)
at com.intellij.util.lang.UrlClassLoader._defineClass(UrlClassLoader.java:195)
at com.intellij.util.lang.UrlClassLoader.defineClass(UrlClassLoader.java:191)
at com.intellij.util.lang.UrlClassLoader.findClass(UrlClassLoader.java:152)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at com.intellij.psi.formatter.FormattingDocumentModelImpl.<init>(FormattingDocumentModelImpl.java:53)
at com.intellij.psi.formatter.FormattingDocumentModelImpl.createOn(FormattingDocumentModelImpl.java:73)
at org.jetbrains.plugins.groovy.formatter.GroovyFormattingModelBuilder.createModel(GroovyFormattingModelBuilder.java:75)
at com.intellij.formatting.CoreFormatterUtil.buildModel(CoreFormatterUtil.java:48)
at com.intellij.psi.impl.source.codeStyle.CodeFormatterFacade.doProcessRange(CodeFormatterFacade.java:128)
at com.intellij.psi.impl.source.codeStyle.CodeFormatterFacade.processRange(CodeFormatterFacade.java:95)
at com.intellij.psi.impl.source.codeStyle.CodeFormatterFacade.processElement(CodeFormatterFacade.java:91)
at com.intellij.psi.impl.source.codeStyle.CodeStyleManagerImpl.reformat(CodeStyleManagerImpl.java:104)
at com.intellij.psi.impl.source.codeStyle.CodeStyleManagerImpl.reformat(CodeStyleManagerImpl.java:91)
at com.android.tools.idea.templates.Template.format(Template.java:956)
at com.android.tools.idea.templates.Template.instantiate(Template.java:853)
at com.android.tools.idea.templates.Template.access$500(Template.java:92)
at com.android.tools.idea.templates.Template$3.startElement(Template.java:486)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
at com.android.tools.idea.templates.Template.executeRecipeFile(Template.java:473)
at com.android.tools.idea.templates.Template.access$300(Template.java:92)
at com.android.tools.idea.templates.Template$2.startElement(Template.java:449)
at org.apache.xerces.parsers.AbstractSAXParser.startElement(Unknown Source)
at org.apache.xerces.parsers.AbstractXMLDocumentParser.emptyElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl$FragmentContentDispatcher.dispatch(Unknown Source)
at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl.parse(Unknown Source)
at com.android.tools.idea.templates.Template.processFile(Template.java:419)
at com.android.tools.idea.templates.Template.doRender(Template.java:273)
at com.android.tools.idea.templates.Template.access$000(Template.java:92)
at com.android.tools.idea.templates.Template$1.run(Template.java:252)
at com.intellij.openapi.command.WriteCommandAction$4.run(WriteCommandAction.java:178)
at com.intellij.openapi.command.WriteCommandAction$Simple.run(WriteCommandAction.java:168)
at com.intellij.openapi.application.RunResult.run(RunResult.java:38)
at com.intellij.openapi.command.WriteCommandAction$2$1.run(WriteCommandAction.java:118)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:984)
at com.intellij.openapi.command.WriteCommandAction$2.run(WriteCommandAction.java:115)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:117)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:99)
at com.intellij.openapi.command.WriteCommandAction.performWriteCommandAction(WriteCommandAction.java:112)
at com.intellij.openapi.command.WriteCommandAction.access$000(WriteCommandAction.java:33)
at com.intellij.openapi.command.WriteCommandAction$1.run(WriteCommandAction.java:80)
at com.intellij.openapi.command.WriteCommandAction.execute(WriteCommandAction.java:85)
at com.intellij.openapi.command.WriteCommandAction.runWriteCommandAction(WriteCommandAction.java:175)
at com.android.tools.idea.templates.Template.render(Template.java:249)
at com.android.tools.idea.templates.Template.render(Template.java:235)
at com.android.tools.idea.wizard.ConfigureAndroidProjectPath.performFinishingActions(ConfigureAndroidProjectPath.java:121)
at com.android.tools.idea.wizard.DynamicWizard$WizardCompletionAction.run(DynamicWizard.java:621)
at com.intellij.openapi.application.RunResult.run(RunResult.java:38)
at com.intellij.openapi.command.WriteCommandAction$2$1.run(WriteCommandAction.java:118)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:984)
at com.intellij.openapi.command.WriteCommandAction$2.run(WriteCommandAction.java:115)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:124)
at com.intellij.openapi.command.impl.CommandProcessorImpl.executeCommand(CommandProcessorImpl.java:99)
at com.intellij.openapi.command.WriteCommandAction.performWriteCommandAction(WriteCommandAction.java:112)
at com.intellij.openapi.command.WriteCommandAction.access$000(WriteCommandAction.java:33)
at com.intellij.openapi.command.WriteCommandAction$1.run(WriteCommandAction.java:80)
at com.intellij.openapi.command.WriteCommandAction.execute(WriteCommandAction.java:85)
at com.android.tools.idea.wizard.DynamicWizard.doFinishAction(DynamicWizard.java:428)
at com.android.tools.idea.wizard.DialogWrapperHost$FinishAction.doAction(DialogWrapperHost.java:323)
at com.intellij.openapi.ui.DialogWrapper$DialogWrapperAction.actionPerformed(DialogWrapper.java:1719)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2346)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:697)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:520)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:335)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:787)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:463)
at com.intellij.openapi.ui.DialogWrapper.showAndGetOk(DialogWrapper.java:1557)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1524)
at com.android.tools.idea.wizard.DynamicWizard.show(DynamicWizard.java:463)
at com.android.tools.idea.actions.AndroidNewProjectAction.actionPerformed(AndroidNewProjectAction.java:45)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:164)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter$1.run(ActionMenuItem.java:266)
at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:926)
at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:124)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:236)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:105)
at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:512)
at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:44)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:532)
at java.awt.Component.processMouseEvent(Component.java:6525)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3321)
at java.awt.Component.processEvent(Component.java:6290)
at java.awt.Container.processEvent(Container.java:2234)
at java.awt.Component.dispatchEventImpl(Component.java:4881)
at java.awt.Container.dispatchEventImpl(Container.java:2292)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4898)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4533)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4462)
at java.awt.Container.dispatchEventImpl(Container.java:2278)
at java.awt.Window.dispatchEventImpl(Window.java:2739)
at java.awt.Component.dispatchEvent(Component.java:4703)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:746)
at java.awt.EventQueue.access$400(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:697)
at java.awt.EventQueue$3.run(EventQueue.java:691)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:719)
at java.awt.EventQueue$4.run(EventQueue.java:717)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:75)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:716)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:697)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:520)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:335)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)


Experiments have showed resetting settings doesn't help, but the issue is resolved by reinstalling AS.

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java.lang.RuntimeException: java.lang.NullPointerException
at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:173)
at com.intellij.openapi.command.WriteCommandAction.execute(WriteCommandAction.java:249)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl.compute(WriteCommandAction.java:137)
at com.android.tools.idea.npw.model.NewModuleModel$ModuleTemplateRenderer.render(NewModuleModel.kt:195)
at com.android.tools.idea.npw.model.MultiTemplateRenderer$countDown$2.invoke(MultiTemplateRenderer.kt:132)
at com.android.tools.idea.npw.model.MultiTemplateRenderer$countDown$2.invoke(MultiTemplateRenderer.kt:37)
at com.android.tools.idea.npw.model.NewProjectModel$multiTemplateRenderer$1$$special$$inlined$run$lambda$1$1.run(NewProjectModel.kt:111)
at com.intellij.openapi.fileEditor.impl.NonProjectFileWritingAccessProvider.disableChecksDuring(NonProjectFileWritingAccessProvider.java:174)
at com.android.tools.idea.npw.model.NewProjectModel$multiTemplateRenderer$1$$special$$inlined$run$lambda$1.invoke(NewProjectModel.kt:110)
at com.android.tools.idea.npw.model.NewProjectModel$multiTemplateRenderer$1$$special$$inlined$run$lambda$1.invoke(NewProjectModel.kt:89)
at com.android.tools.idea.gradle.project.AndroidNewProjectInitializationStartupActivity.runActivity(AndroidNewProjectInitializationStartupActivity.kt:41)
at com.intellij.ide.startup.impl.StartupManagerImpl.runActivity(StartupManagerImpl.java:205)
More Details
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
at com.intellij.xml.arrangement.XmlArrangementVisitor.createNewEntry(XmlArrangementVisitor.java:94)
at com.intellij.xml.arrangement.XmlArrangementVisitor.visitXmlTag(XmlArrangementVisitor.java:52)
at com.intellij.psi.impl.source.xml.XmlTagImpl.accept(XmlTagImpl.java:1040)
at com.intellij.xml.arrangement.XmlArrangementVisitor.visitXmlFile(XmlArrangementVisitor.java:45)
at com.intellij.psi.impl.source.xml.XmlFileImpl.accept(XmlFileImpl.java:71)
at com.intellij.xml.arrangement.XmlRearranger.parse(XmlRearranger.java:128)
at com.intellij.psi.codeStyle.arrangement.engine.ArrangementEngine$Context.from(ArrangementEngine.java:525)
at com.intellij.psi.codeStyle.arrangement.engine.ArrangementEngine.arrange(ArrangementEngine.java:117)
at com.intellij.psi.codeStyle.arrangement.engine.ArrangementEngine.arrange(ArrangementEngine.java:78)
at com.android.tools.idea.templates.TemplateUtils.reformatAndRearrange(TemplateUtils.kt:206)
at com.android.tools.idea.templates.TemplateUtils.reformatAndRearrange$default(TemplateUtils.kt:183)
at com.android.tools.idea.templates.TemplateUtils$reformatAndRearrange$1.run(TemplateUtils.kt:153)
at com.intellij.openapi.command.WriteCommandAction.lambda$runWriteCommandAction$5(WriteCommandAction.java:368)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl$1.run(WriteCommandAction.java:125)
at com.intellij.openapi.application.RunResult.run(RunResult.java:35)
at com.intellij.openapi.command.WriteCommandAction.lambda$null$1(WriteCommandAction.java:264)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:994)
at com.intellij.openapi.command.WriteCommandAction.lambda$performWriteCommandAction$2(WriteCommandAction.java:263)
at com.intellij.openapi.command.WriteCommandAction.lambda$doExecuteCommand$4(WriteCommandAction.java:320)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:212)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:188)
at com.intellij.openapi.command.WriteCommandAction.doExecuteCommand(WriteCommandAction.java:322)
at com.intellij.openapi.command.WriteCommandAction.performWriteCommandAction(WriteCommandAction.java:263)
at com.intellij.openapi.command.WriteCommandAction.execute(WriteCommandAction.java:245)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl.run(WriteCommandAction.java:127)
at com.intellij.openapi.command.WriteCommandAction.runWriteCommandAction(WriteCommandAction.java:368)
at com.intellij.openapi.command.WriteCommandAction.runWriteCommandAction(WriteCommandAction.java:360)
at com.android.tools.idea.templates.TemplateUtils.reformatAndRearrange(TemplateUtils.kt:145)
at com.android.tools.idea.templates.Template.lambda$render$1(Template.java:267)
at com.intellij.ide.startup.impl.StartupManagerImpl.lambda$runWhenProjectIsInitialized$7(StartupManagerImpl.java:499)
at com.intellij.ui.GuiUtils.invokeLaterIfNeeded(GuiUtils.java:323)
at com.intellij.ide.startup.impl.StartupManagerImpl.runWhenProjectIsInitialized(StartupManagerImpl.java:485)
at com.android.tools.idea.templates.Template.render(Template.java:267)
at com.android.tools.idea.npw.model.NewModuleModel$ModuleTemplateRenderer.renderModule(NewModuleModel.kt:220)
at com.android.tools.idea.npw.model.NewModuleModel$ModuleTemplateRenderer.access$renderModule(NewModuleModel.kt:140)
at com.android.tools.idea.npw.model.NewModuleModel$ModuleTemplateRenderer$render$success$1.compute(NewModuleModel.kt:196)
at com.android.tools.idea.npw.model.NewModuleModel$ModuleTemplateRenderer$render$success$1.compute(NewModuleModel.kt:140)
at com.intellij.openapi.command.WriteCommandAction$BuilderImpl$2.run(WriteCommandAction.java:135)
at com.intellij.openapi.application.RunResult.run(RunResult.java:35)
at com.intellij.openapi.command.WriteCommandAction.lambda$null$1(WriteCommandAction.java:264)
at com.intellij.openapi.application.impl.ApplicationImpl.runWriteAction(ApplicationImpl.java:994)
at com.intellij.openapi.command.WriteCommandAction.lambda$performWriteCommandAction$2(WriteCommandAction.java:263)
at com.intellij.openapi.command.WriteCommandAction.lambda$doExecuteCommand$4(WriteCommandAction.java:320)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:220)
at com.intellij.openapi.command.impl.CoreCommandProcessor.executeCommand(CoreCommandProcessor.java:188)
at com.intellij.openapi.command.WriteCommandAction.doExecuteCommand(WriteCommandAction.java:322)
at com.intellij.openapi.command.WriteCommandAction.performWriteCommandAction(WriteCommandAction.java:263)
at com.intellij.openapi.command.WriteCommandAction.lambda$execute$0(WriteCommandAction.java:249)
at com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransactionAndWait$2(TransactionGuardImpl.java:161)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:82)
at com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransaction$1(TransactionGuardImpl.java:106)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.doRun(LaterInvocator.java:433)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.runNextEvent(LaterInvocator.java:416)
at com.intellij.openapi.application.impl.LaterInvocator$FlushQueue.run(LaterInvocator.java:399)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:764)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:734)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:878)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:827)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:466)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:693)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:465)
at com.intellij.ide.IdeEventQueue.pumpEventsForHierarchy(IdeEventQueue.java:935)
at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:205)
at com.intellij.openapi.progress.util.ProgressWindow.startBlocking(ProgressWindow.java:191)
at com.intellij.openapi.application.impl.ApplicationImpl.runProcessWithProgressSynchronously(ApplicationImpl.java:566)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:459)
at com.intellij.openapi.progress.impl.ProgressManagerImpl.runProcessWithProgressSynchronously(ProgressManagerImpl.java:82)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:256)
at com.intellij.openapi.progress.impl.CoreProgressManager.runProcessWithProgressSynchronously(CoreProgressManager.java:210)
at com.intellij.openapi.project.impl.ProjectManagerImpl.loadProjectUnderProgress(ProjectManagerImpl.java:484)
at com.intellij.openapi.project.impl.ProjectManagerImpl.lambda$openProject$9(ProjectManagerImpl.java:398)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:82)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransactionAndWait(TransactionGuardImpl.java:148)
at com.intellij.openapi.project.impl.ProjectManagerImpl.openProject(ProjectManagerImpl.java:439)
at com.android.tools.idea.npw.model.NewProjectModel$multiTemplateRenderer$1.invoke(NewProjectModel.kt:114)
at com.android.tools.idea.npw.model.NewProjectModel$multiTemplateRenderer$1.invoke(NewProjectModel.kt:89)
at com.android.tools.idea.npw.model.MultiTemplateRenderer.countDown(MultiTemplateRenderer.kt:123)
at com.android.tools.idea.npw.model.MultiTemplateRenderer.skipRender(MultiTemplateRenderer.kt:111)
at com.android.tools.idea.npw.model.RenderTemplateModel.handleSkipped(RenderTemplateModel.kt:104)
at com.android.tools.idea.wizard.model.ModelWizard.handleFinished(ModelWizard.java:408)
at com.android.tools.idea.wizard.model.ModelWizard.goForward(ModelWizard.java:330)
at com.android.tools.idea.wizard.model.ModelWizardDialog$FinishAction.doAction(ModelWizardDialog.java:313)
at com.intellij.openapi.ui.DialogWrapper$DialogWrapperAction.actionPerformed(DialogWrapper.java:1821)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6550)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3325)
at java.awt.Component.processEvent(Component.java:6315)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4899)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4721)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4721)
More Details
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:739)
at java.awt.EventQueue$4.run(EventQueue.java:737)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:878)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:823)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:466)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:693)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:465)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:190)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:235)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:233)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:233)
at java.awt.Dialog.show(Dialog.java:1077)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl$MyDialog.show(DialogWrapperPeerImpl.java:707)
at com.intellij.openapi.ui.impl.DialogWrapperPeerImpl.show(DialogWrapperPeerImpl.java:432)
at com.intellij.openapi.ui.DialogWrapper.doShow(DialogWrapper.java:1685)
at com.intellij.openapi.ui.DialogWrapper.show(DialogWrapper.java:1644)
at com.android.tools.idea.actions.AndroidNewProjectAction.actionPerformed(AndroidNewProjectAction.kt:45)
at com.intellij.openapi.actionSystem.ex.ActionUtil$1.run(ActionUtil.java:265)
at com.intellij.openapi.actionSystem.ex.ActionUtil.performActionDumbAware(ActionUtil.java:282)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.lambda$actionPerformed$0(ActionMenuItem.java:292)
at com.intellij.openapi.wm.impl.FocusManagerImpl.runOnOwnContext(FocusManagerImpl.java:265)
at com.intellij.openapi.wm.impl.IdeFocusManagerImpl.runOnOwnContext(IdeFocusManagerImpl.java:107)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem$ActionTransmitter.actionPerformed(ActionMenuItem.java:282)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.lambda$fireActionPerformed$0(ActionMenuItem.java:111)
at com.intellij.openapi.application.TransactionGuardImpl.runSyncTransaction(TransactionGuardImpl.java:82)
at com.intellij.openapi.application.TransactionGuardImpl.lambda$submitTransaction$1(TransactionGuardImpl.java:106)
at com.intellij.openapi.application.TransactionGuardImpl.submitTransaction(TransactionGuardImpl.java:115)
at com.intellij.openapi.application.TransactionGuard.submitTransaction(TransactionGuard.java:121)
at com.intellij.openapi.actionSystem.impl.ActionMenuItem.fireActionPerformed(ActionMenuItem.java:111)
at com.intellij.ui.plaf.beg.BegMenuItemUI.doClick(BegMenuItemUI.java:524)
at com.intellij.ui.plaf.beg.BegMenuItemUI.access$300(BegMenuItemUI.java:35)
at com.intellij.ui.plaf.beg.BegMenuItemUI$MyMouseInputHandler.mouseReleased(BegMenuItemUI.java:546)
at java.awt.Component.processMouseEvent(Component.java:6550)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3325)
at java.awt.Component.processEvent(Component.java:6315)
at java.awt.Container.processEvent(Container.java:2239)
at java.awt.Component.dispatchEventImpl(Component.java:4899)
at java.awt.Container.dispatchEventImpl(Container.java:2297)
at java.awt.Component.dispatchEvent(Component.java:4721)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4904)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4535)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4476)
at java.awt.Container.dispatchEventImpl(Container.java:2283)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4721)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:766)
at java.awt.EventQueue.access$500(EventQueue.java:98)
at java.awt.EventQueue$3.run(EventQueue.java:715)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:84)
at java.awt.EventQueue$4.run(EventQueue.java:739)
at java.awt.EventQueue$4.run(EventQueue.java:737)
More Details
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:74)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:736)
at com.intellij.ide.IdeEventQueue.defaultDispatchEvent(IdeEventQueue.java:878)
at com.intellij.ide.IdeEventQueue._dispatchEvent(IdeEventQueue.java:823)
at com.intellij.ide.IdeEventQueue.lambda$dispatchEvent$8(IdeEventQueue.java:466)
at com.intellij.openapi.progress.impl.CoreProgressManager.computePrioritized(CoreProgressManager.java:704)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:465)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:205)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)

Try to clean your Android studio cache also go to user folder and clean .Gradle cache folder and use good VPN to build your project

Android Studio not starting while upgrading to 3.0. in linux

This is the error being displayed.
Internal Error. Please report to https://code.google.com/p/android/issues
com.intellij.ide.plugins.PluginManager$StartupAbortedException: Fatal error initializing 'com.intellij.openapi.actionSystem.ActionManager'
at com.intellij.ide.plugins.PluginManager.handleComponentError(PluginManager.java:254)
at com.intellij.openapi.components.impl.PlatformComponentManagerImpl.handleInitComponentError(PlatformComponentManagerImpl.java:43)
at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentConfigComponentAdapter.getComponentInstance(ComponentManagerImpl.java:509)
at com.intellij.util.pico.DefaultPicoContainer.getLocalInstance(DefaultPicoContainer.java:239)
at com.intellij.util.pico.DefaultPicoContainer.getComponentInstance(DefaultPicoContainer.java:206)
at org.picocontainer.defaults.BasicComponentParameter.resolveInstance(BasicComponentParameter.java:77)
at org.picocontainer.defaults.ComponentParameter.resolveInstance(ComponentParameter.java:114)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.getConstructorArguments(CachingConstructorInjectionComponentAdapter.java:128)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.doGetComponentInstance(CachingConstructorInjectionComponentAdapter.java:100)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.instantiateGuarded(CachingConstructorInjectionComponentAdapter.java:80)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.getComponentInstance(CachingConstructorInjectionComponentAdapter.java:63)
at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentConfigComponentAdapter.getComponentInstance(ComponentManagerImpl.java:468)
at com.intellij.openapi.components.impl.ComponentManagerImpl.getComponent(ComponentManagerImpl.java:180)
at com.intellij.openapi.wm.WindowManager.getInstance(WindowManager.java:61)
at com.intellij.openapi.vfs.newvfs.RefreshProgress.lambda$updateIndicators$0(RefreshProgress.java:66)
at java.awt.event.InvocationEvent.dispatch(InvocationEvent.java:311)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:756)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:80)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:726)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:343)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:869)
at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:666)
at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:637)
at com.intellij.idea.Main.showMessage(Main.java:215)
at com.intellij.idea.Main.showMessage(Main.java:174)
at com.intellij.idea.Main.showMessage(Main.java:153)
at com.intellij.ide.plugins.PluginManager.processException(PluginManager.java:144)
at com.intellij.ide.IdeEventQueue.processException(IdeEventQueue.java:422)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:346)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:109)
at java.awt.WaitDispatchSupport$2.run(WaitDispatchSupport.java:184)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:229)
at java.awt.WaitDispatchSupport$4.run(WaitDispatchSupport.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at java.awt.WaitDispatchSupport.enter(WaitDispatchSupport.java:227)
at java.awt.Dialog.show(Dialog.java:1084)
at javax.swing.JOptionPane.showOptionDialog(JOptionPane.java:869)
at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:666)
at javax.swing.JOptionPane.showMessageDialog(JOptionPane.java:637)
at com.intellij.idea.Main.showMessage(Main.java:215)
at com.intellij.idea.Main.showMessage(Main.java:174)
at com.intellij.idea.Main.showMessage(Main.java:153)
at com.intellij.ide.plugins.PluginManager.processException(PluginManager.java:144)
at com.intellij.ide.IdeEventQueue.processException(IdeEventQueue.java:422)
at com.intellij.ide.IdeEventQueue.dispatchEvent(IdeEventQueue.java:346)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
Caused by: java.lang.IllegalArgumentException: cannot add an action twice: Stop (Stop process)
at com.intellij.openapi.actionSystem.DefaultActionGroup.addAction(DefaultActionGroup.java:151)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.addToGroupInner(ActionManagerImpl.java:829)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.processAddToGroupNode(ActionManagerImpl.java:825)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.processReferenceNode(ActionManagerImpl.java:786)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.processActionsChildElement(ActionManagerImpl.java:972)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.registerPluginActions(ActionManagerImpl.java:466)
at com.intellij.openapi.actionSystem.impl.ActionManagerImpl.<init>(ActionManagerImpl.java:145)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at org.picocontainer.defaults.InstantiatingComponentAdapter.newInstance(InstantiatingComponentAdapter.java:193)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.doGetComponentInstance(CachingConstructorInjectionComponentAdapter.java:103)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.instantiateGuarded(CachingConstructorInjectionComponentAdapter.java:80)
at com.intellij.util.pico.CachingConstructorInjectionComponentAdapter.getComponentInstance(CachingConstructorInjectionComponentAdapter.java:63)
at com.intellij.openapi.components.impl.ComponentManagerImpl$ComponentConfigComponentAdapter.getComponentInstance(ComponentManagerImpl.java:468)
... 63 more

Not able to do tap event.Getting classcastexception

I am using boomyshow app to do tap event.I am using TouchAction class to do so.This is my code for taap event
TouchAction t =new TouchAction(driver);
WebElement el = driver.findElementById("com.bt.bms:id/main_activity_toolbar_img_location");
t.tap(el);
but I am getting this exception
java.lang.ClassCastException: io.appium.java_client.android.AndroidElement cannot be cast to org.openqa.selenium.internal.HasIdentity
at io.appium.java_client.TouchAction.tap(TouchAction.java:151)
at Desiredcap.test(Desiredcap.java:44)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:84)
at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
at org.testng.TestRunner.privateRun(TestRunner.java:767)
at org.testng.TestRunner.run(TestRunner.java:617)
at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
at org.testng.SuiteRunner.run(SuiteRunner.java:240)
at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
at org.testng.TestNG.runSuitesSequentially(TestNG.java:1224)
at org.testng.TestNG.runSuitesLocally(TestNG.java:1149)
at org.testng.TestNG.run(TestNG.java:1057)
at org.testng.remote.RemoteTestNG.run(RemoteTestNG.java:111)
at org.testng.remote.RemoteTestNG.initAndRun(RemoteTestNG.java:204)
at org.testng.remote.RemoteTestNG.main(RemoteTestNG.java:175)

I made a chatting app which is continuosly showing errors

E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.google.firebase.udacity.friendlychat, PID: 28266
com.google.firebase.database.DatabaseException: Class com.google.firebase.udacity.friendlychat.FriendlyMessage is missing a constructor with no arguments
at com.google.android.gms.internal.zzbqi$zza.zze(Unknown Source)
at com.google.android.gms.internal.zzbqi$zza.zzaG(Unknown Source)
at com.google.android.gms.internal.zzbqi.zze(Unknown Source)
at com.google.android.gms.internal.zzbqi.zzb(Unknown Source)
at com.google.android.gms.internal.zzbqi.zza(Unknown Source)
at com.google.firebase.database.DataSnapshot.getValue(Unknown Source)
at com.google.firebase.udacity.friendlychat.MainActivity$6.onChildAdded(MainActivity.java:290)
at com.google.android.gms.internal.zzblz.zza(Unknown Source)
at com.google.android.gms.internal.zzbnz.zzYj(Unknown Source)
at com.google.android.gms.internal.zzboc$1.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6688)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1468)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1358)

As your error message says:
com.google.firebase.udacity.friendlychat.FriendlyMessage is missing a constructor with no arguments
So you must be missing a default constructor (constructor with no arguments) in your FriendlyMessage class

Firebase ArrayList issues (need to use GenericTypeIndicator?)

Connecting to my Firebase database works fine when I install my app to my phone via USB. But when I install it via the Play Store, I get issues from Firebase about my ArrayList having "generic type parameters". Check out the first line of the logcat error message below:
09-14 15:59:55.715 4843-4843/? E/UncaughtException: com.google.firebase.database.f: Class java.util.ArrayList has generic type parameters, please use GenericTypeIndicator instead
at com.google.android.gms.c.mu.b(Unknown Source)
at com.google.android.gms.c.mu.b(Unknown Source)
at com.google.android.gms.c.mu.a(Unknown Source)
at com.google.android.gms.c.mv.a(Unknown Source)
at com.google.android.gms.c.mv.a(Unknown Source)
at com.google.android.gms.c.mu.d(Unknown Source)
at com.google.android.gms.c.mu.b(Unknown Source)
at com.google.android.gms.c.mu.a(Unknown Source)
at com.google.firebase.database.b.a(Unknown Source)
at com.test.finalapp.Activities.c.a(Unknown Source)
at com.google.android.gms.c.ha.a(Unknown Source)
at com.google.android.gms.c.iv.b(Unknown Source)
at com.google.android.gms.c.jb.run(Unknown Source)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:152)
at android.app.ActivityThread.main(ActivityThread.java:5507)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Any thoughts? The Google Play version was working fine the other day and now this happened! Couldn't find any solutions online...
UPDATE:
I added the following code to my proguard-rules.pro file:
-keepattributes Signature
-keepclassmembers class com.test.finalapp.Models.** {
*;
}
-keep class com.test.finalapp.CoOpStatusHolder { *; }
Things are working fine in database, but now I'm hit with the error: java.lang.RuntimeException: java.lang.NoSuchMethodException: [class android.view.View]
That error is at the top of the larger logcat error:
09-15 12:06:23.041 32250-32250/? E/UncaughtException: java.lang.RuntimeException: java.lang.NoSuchMethodException: <init> [class android.view.View]
at com.firebase.ui.a.d.b(Unknown Source)
at android.support.v7.widget.em.c(Unknown Source)
at android.support.v7.widget.fe.a(Unknown Source)
at android.support.v7.widget.fe.c(Unknown Source)
at android.support.v7.widget.dl.a(Unknown Source)
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source)
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source)
at android.support.v7.widget.LinearLayoutManager.c(Unknown Source)
at android.support.v7.widget.RecyclerView.J(Unknown Source)
at android.support.v7.widget.RecyclerView.k(Unknown Source)
at android.support.v7.widget.RecyclerView.t(Unknown Source)
at android.support.v7.widget.RecyclerView.c(Unknown Source)
at android.support.v7.widget.eg.run(Unknown Source)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
at android.view.Choreographer.doCallbacks(Choreographer.java:670)
at android.view.Choreographer.doFrame(Choreographer.java:603)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:152)
at android.app.ActivityThread.main(ActivityThread.java:5507)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.NoSuchMethodException: <init> [class android.view.View]
at java.lang.Class.getConstructor(Class.java:528)
at java.lang.Class.getConstructor(Class.java:492)
at com.firebase.ui.a.d.b(Unknown Source) 
at android.support.v7.widget.em.c(Unknown Source) 
at android.support.v7.widget.fe.a(Unknown Source) 
at android.support.v7.widget.fe.c(Unknown Source) 
at android.support.v7.widget.dl.a(Unknown Source) 
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source) 
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source) 
at android.support.v7.widget.LinearLayoutManager.c(Unknown Source) 
at android.support.v7.widget.RecyclerView.J(Unknown Source) 
at android.support.v7.widget.RecyclerView.k(Unknown Source) 
at android.support.v7.widget.RecyclerView.t(Unknown Source) 
at android.support.v7.widget.RecyclerView.c(Unknown Source) 
at android.support.v7.widget.eg.run(Unknown Source) 
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) 
at android.view.Choreographer.doCallbacks(Choreographer.java:670) 
at android.view.Choreographer.doFrame(Choreographer.java:603) 
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) 
at android.os.Handler.handleCallback(Handler.java:739) 
at android.os.Handler.dispatchMessage(Handler.java:95) 
at android.os.Looper.loop(Looper.java:152) 
at android.app.ActivityThread.main(ActivityThread.java:5507) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
09-15 12:06:23.242 32250-32250/? D/FirebaseCrashApiImpl: throwable java.lang.RuntimeException: java.lang.NoSuchMethodException: <init> [class android.view.View]
--------- beginning of crash
09-15 12:06:23.278 32250-32250/? E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.test.finalapp, PID: 32250
java.lang.RuntimeException: java.lang.NoSuchMethodException: <init> [class android.view.View]
at com.firebase.ui.a.d.b(Unknown Source)
at android.support.v7.widget.em.c(Unknown Source)
at android.support.v7.widget.fe.a(Unknown Source)
at android.support.v7.widget.fe.c(Unknown Source)
at android.support.v7.widget.dl.a(Unknown Source)
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source)
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source)
at android.support.v7.widget.LinearLayoutManager.c(Unknown Source)
at android.support.v7.widget.RecyclerView.J(Unknown Source)
at android.support.v7.widget.RecyclerView.k(Unknown Source)
at android.support.v7.widget.RecyclerView.t(Unknown Source)
at android.support.v7.widget.RecyclerView.c(Unknown Source)
at android.support.v7.widget.eg.run(Unknown Source)
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858)
at android.view.Choreographer.doCallbacks(Choreographer.java:670)
at android.view.Choreographer.doFrame(Choreographer.java:603)
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:152)
at android.app.ActivityThread.main(ActivityThread.java:5507)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
Caused by: java.lang.NoSuchMethodException: <init> [class android.view.View]
at java.lang.Class.getConstructor(Class.java:528)
at java.lang.Class.getConstructor(Class.java:492)
at com.firebase.ui.a.d.b(Unknown Source) 
at android.support.v7.widget.em.c(Unknown Source) 
at android.support.v7.widget.fe.a(Unknown Source) 
at android.support.v7.widget.fe.c(Unknown Source) 
at android.support.v7.widget.dl.a(Unknown Source) 
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source) 
at android.support.v7.widget.LinearLayoutManager.a(Unknown Source) 
at android.support.v7.widget.LinearLayoutManager.c(Unknown Source) 
at android.support.v7.widget.RecyclerView.J(Unknown Source) 
at android.support.v7.widget.RecyclerView.k(Unknown Source) 
at android.support.v7.widget.RecyclerView.t(Unknown Source) 
at android.support.v7.widget.RecyclerView.c(Unknown Source) 
at android.support.v7.widget.eg.run(Unknown Source) 
at android.view.Choreographer$CallbackRecord.run(Choreographer.java:858) 
at android.view.Choreographer.doCallbacks(Choreographer.java:670) 
at android.view.Choreographer.doFrame(Choreographer.java:603) 
at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:844) 
at android.os.Handler.handleCallback(Handler.java:739) 
at android.os.Handler.dispatchMessage(Handler.java:95) 
at android.os.Looper.loop(Looper.java:152) 
at android.app.ActivityThread.main(ActivityThread.java:5507) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
CoOpStatusHolder is my FirebaseUI RecyclerView Viewholder. I made the Viewholder an inner class. I made it public static and it's in proguard-rules.pro file, so I'm still not sure what the issue is...
public static class CoOpStatusHolder extends RecyclerView.ViewHolder {
View mView;
public CoOpStatusHolder(View itemView) {
super(itemView);
mView = itemView;
}
public void setName(String name) {
TextView nameOfParentToChoose = (TextView) mView.findViewById(R.id.
textView_of_parent_name_in_co_op_status);
nameOfParentToChoose.setText(name);
}
public void setFacebookImage(String facebookID) {
ProfilePictureView parentFacebookPhoto = (ProfilePictureView) mView.findViewById(R.id.
imageview_of_parent_in_co_op_status);
parentFacebookPhoto.setProfileId(facebookID);
}
public void setHours(Float numofHours) {
TextView numOfHoursForParent = (TextView) mView.findViewById(R.id.
textView_num_of_hours_in_co_op_other_parent_status);
numOfHoursForParent.setText(Float.toString(numofHours));
}
}

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