Develop Reference

How to resolve rxjava exception ? Below is log from firebase crashanalytics

I am getting below log . trying to find the root cause . Could anyone help me in explaining this issue.
Fatal Exception: q2.b.a.d.a: 2 exceptions occurred.
at io.reactivex.rxjava3.internal.observers.LambdaObserver.onError(LambdaObserver.java:80)
at io.reactivex.rxjava3.internal.observers.LambdaObserver.onNext(LambdaObserver.java:67)
at io.reactivex.rxjava3.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.drainNormal(ObservableObserveOn.java:201)
at io.reactivex.rxjava3.internal.operators.observable.ObservableObserveOn$ObserveOnObserver.run(ObservableObserveOn.java:255)
at io.reactivex.rxjava3.android.schedulers.HandlerScheduler$ScheduledRunnable.run(HandlerScheduler.java:123)
at android.os.Handler.handleCallback(Handler.java:883)
at android.os.Handler.dispatchMessage(Handler.java:100)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7386)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:980)

Firebase got crashed when binding isolate process

I have initialized Firebase on Application onCreate() :
FirebaseApp.initializeApp(getApplicationContext());
then try to binding isolate process on Activity
bindService(intent, mIsolatedServiceConnection, BIND_AUTO_CREATE);
Firebase has crashed with below exception, Could someone help me to fix this bug?
2020-05-25 11:47:13.700 27703-27703/com.test.process_v:tmp:com.test.process.IsolatedService W/ContextImpl: Failed to ensure /data/user/0/com.test.process_v/shared_prefs: mkdir failed: EACCES (Permission denied)
2020-05-25 11:47:13.700 27703-27703/com.test.process_v:tmp:com.test.process.IsolatedService W/SystemServiceRegistry: No service published for: user
2020-05-25 11:47:13.701 27703-27703/com.test.process_v:tmp:com.test.process.IsolatedService D/AndroidRuntime: Shutting down VM
--------- beginning of crash
2020-05-25 11:47:13.702 27703-27703/com.test.process_v:tmp:com.test.process.IsolatedService E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.darvin.security_v:tmp:com.test.process.IsolatedService, PID: 27703
java.lang.RuntimeException: Unable to create application com.test.process.App: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.os.UserManager.isUserUnlockingOrUnlocked(int)' on a null object reference
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:6465)
at java.lang.reflect.Method.invoke(Native Method)
at com.swift.sandhook.SandHook.callOriginMethod(SandHook.java:185)
at com.swift.sandhook.xposedcompat.hookstub.HookStubManager.hookBridge(HookStubManager.java:375)
at SandHookerNew_5sm3dthec8858ee0to4kj3c1ge.hook(Unknown Source:51)
at android.app.ActivityThread.access$1300(ActivityThread.java:219)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1859)
at android.os.Handler.dispatchMessage(Handler.java:107)
at android.os.Looper.loop(Looper.java:214)
at android.app.ActivityThread.main(ActivityThread.java:7356)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930)
Caused by: java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.os.UserManager.isUserUnlockingOrUnlocked(int)' on a null object reference
at android.app.ContextImpl.getSharedPreferences(ContextImpl.java:457)
at android.app.ContextImpl.getSharedPreferences(ContextImpl.java:443)
at android.content.ContextWrapper.getSharedPreferences(ContextWrapper.java:178)
at com.google.firebase.FirebaseApp.<init>(com.google.firebase:firebase-common##16.0.2:528)
at com.google.firebase.FirebaseApp.initializeApp(com.google.firebase:firebase-common##16.0.2:355)
at com.google.firebase.FirebaseApp.initializeApp(com.google.firebase:firebase-common##16.0.2:324)
at com.google.firebase.FirebaseApp.initializeApp(com.google.firebase:firebase-common##16.0.2:310)
at com.test.process.App.onCreate(App.java:32)
at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1189)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:6460)
at java.lang.reflect.Method.invoke(Native Method) 
at com.swift.sandhook.SandHook.callOriginMethod(SandHook.java:185) 
at com.swift.sandhook.xposedcompat.hookstub.HookStubManager.hookBridge(HookStubManager.java:375) 
at SandHookerNew_5sm3dthec8858ee0to4kj3c1ge.hook(Unknown Source:51) 
at android.app.ActivityThread.access$1300(ActivityThread.java:219) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1859) 
at android.os.Handler.dispatchMessage(Handler.java:107) 
at android.os.Looper.loop(Looper.java:214) 
at android.app.ActivityThread.main(ActivityThread.java:7356) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:492) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:930) 
If Firebase has initialized on Activity then no crashed happen.

Check in your application onCreate() if process that runs it is isolated. If not - run initialization of Firebase.
override fun onCreate() {
super.onCreate()
if (!android.os.Process.isIsolated()) {
//init firebase
}
}

Cannot connect to android.support.test.orchestrator.OrchestratorService

Not able to run instrumentation test with android orchestrator,
I have followed developer doc and made same changes but it's not working.
Screen shot and logs are attached.
Any help would be appreciated thanks in advance
Logcat:
E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.ctpl.myinstrumentationtest, PID: 6608
java.lang.RuntimeException: Exception thrown in onCreate() of ComponentInfo{com.example.ctpl.myinstrumentationtest.test/android.support.test.runner.AndroidJUnitRunner}: java.lang.RuntimeException: Cannot connect to android.support.test.orchestrator.OrchestratorService
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5868)
at android.app.ActivityThread.access$1100(ActivityThread.java:199)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1650)
at android.os.Handler.dispatchMessage(Handler.java:106)
at android.os.Looper.loop(Looper.java:193)
at android.app.ActivityThread.main(ActivityThread.java:6669)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858)
Caused by: java.lang.RuntimeException: Cannot connect to android.support.test.orchestrator.OrchestratorService
at android.support.test.orchestrator.instrumentationlistener.OrchestratedInstrumentationListener.connect(OrchestratedInstrumentationListener.java:87)
at android.support.test.runner.AndroidJUnitRunner.onCreate(AndroidJUnitRunner.java:303)
at android.app.ActivityThread.handleBindApplication(ActivityThread.java:5863)
at android.app.ActivityThread.access$1100(ActivityThread.java:199) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1650) 
at android.os.Handler.dispatchMessage(Handler.java:106) 
at android.os.Looper.loop(Looper.java:193) 
at android.app.ActivityThread.main(ActivityThread.java:6669) 
at java.lang.reflect.Method.invoke(Native Method) 
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:858) 
List item

I had the same problem but with androidx orchestrator. I was getting the same exception but the package was different:
Caused by: java.lang.RuntimeException: Cannot connect to androidx.test.orchestrator.OrchestratorService.
I have found the description of possbile root cause in this github thread. There's an iteresting discussion, but it seems that there's no general solution for this yet.
For me the problem was caused by setting the target sdk to 30 and launching the app on an android 30 emulator. So launching tests on emulator with api < 30 resolved this.

getting crash in react native app for android

in our react native app we have used firebase, and location services .
here we are getting crash in react native and its very difficult to understand and reproduce it.
here is the crash.
Fatal Exception: java.lang.IllegalMonitorStateException
at java.util.concurrent.locks.ReentrantLock$Sync.tryRelease(ReentrantLock.java:152)
at java.util.concurrent.locks.AbstractQueuedSynchronizer.release(AbstractQueuedSynchronizer.java:1285)
at java.util.concurrent.locks.ReentrantLock.unlock(ReentrantLock.java:458)
at io.invertase.firebase.firestore.RNFirebaseFirestoreTransactionHandler.safeUnlock(RNFirebaseFirestoreTransactionHandler.java:160)
at io.invertase.firebase.firestore.RNFirebaseFirestoreTransactionHandler.abort(RNFirebaseFirestoreTransactionHandler.java:50)
at io.invertase.firebase.firestore.RNFirebaseFirestore.transactionDispose(RNFirebaseFirestore.java:281)
at java.lang.reflect.Method.invoke(Method.java)
at com.facebook.react.bridge.JavaMethodWrapper.invoke(JavaMethodWrapper.java:372)
at com.facebook.react.bridge.JavaModuleWrapper.invoke(JavaModuleWrapper.java:160)
at com.facebook.react.bridge.queue.NativeRunnable.run(NativeRunnable.java)
at android.os.Handler.handleCallback(Handler.java:789)
at android.os.Handler.dispatchMessage(Handler.java:98)
at com.facebook.react.bridge.queue.MessageQueueThreadHandler.dispatchMessage(MessageQueueThreadHandler.java:29)
at android.os.Looper.loop(Looper.java:164)
at com.facebook.react.bridge.queue.MessageQueueThreadImpl$3.run(MessageQueueThreadImpl.java:192)
at java.lang.Thread.run(Thread.java:764)
how to check the cause of this crash in react native ?

Firebase SDK crash on receiving broadcast intents

In a recent update we began seeing 2 crashes coming from Firebase. Neither of these crashes are reproducible, and they happen pretty infrequently, but frequently enough for us to be concerned. The first one appear 99% of the time on Android 7 (1% on Android 5):
Fatal Exception: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.net.conn.CONNECTIVITY_CHANGE flg=0x4000010 (has extras) } in com.google.firebase.iid.f#96947cd
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:1132)
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:6119)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.net.NetworkInfo.isConnected()' on a null object reference
at com.google.firebase.iid.zzad.zzchp(Unknown Source)
at com.google.firebase.iid.zzae.onReceive(Unknown Source)
at android.app.LoadedApk$ReceiverDispatcher$Args.run(LoadedApk.java:1122)
at android.os.Handler.handleCallback(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6119)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)
And this one comes exclusively from Android 8:
Fatal Exception: java.lang.RuntimeException: Error receiving broadcast Intent { act=android.net.conn.CONNECTIVITY_CHANGE flg=0x4000010 (has extras) } in com.google.firebase.iid.f#8746d6a
at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$-android_app_LoadedApk$ReceiverDispatcher$Args_52497(LoadedApk.java:1323)
at android.app.-$Lambda$aS31cHIhRx41653CMnd4gZqshIQ.$m$7(Unknown Source:4)
at android.app.-$Lambda$aS31cHIhRx41653CMnd4gZqshIQ.run(Unknown Source:39)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
Caused by java.lang.NullPointerException: Attempt to invoke virtual method 'boolean android.net.NetworkInfo.isConnected()' on a null object reference
at com.google.firebase.iid.zzad.zzchp(Unknown Source:24)
at com.google.firebase.iid.zzae.onReceive(Unknown Source:7)
at android.app.LoadedApk$ReceiverDispatcher$Args.lambda$-android_app_LoadedApk$ReceiverDispatcher$Args_52497(LoadedApk.java:1313)
at android.app.-$Lambda$aS31cHIhRx41653CMnd4gZqshIQ.$m$7(Unknown Source:4)
at android.app.-$Lambda$aS31cHIhRx41653CMnd4gZqshIQ.run(Unknown Source:39)
at android.os.Handler.handleCallback(Handler.java:790)
at android.os.Handler.dispatchMessage(Handler.java:99)
at android.os.Looper.loop(Looper.java:164)
at android.app.ActivityThread.main(ActivityThread.java:6494)
at java.lang.reflect.Method.invoke(Method.java)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:438)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:807)
Unfortunately the Firebase SDK is obfuscated so I can't see the full context of the crash, but the exception being thrown is an NPE on a NetworkInfo object trying to perform the isConnected method.
These are the firebase libs we are using in this build:
api "com.google.firebase:firebase-config:11.6.2"
api "com.firebase:firebase-jobdispatcher:0.8.4"
We upgraded the firebase-config lib from 11.2.0 to 11.6.2 and added the jobdispatcher lib between the previous release and this new release where we began seeing the crash. I've searched around but haven't seen any existing conversations about the issue, if anyone has insight we'd really appreciate it. Thanks!

I got an official answer from the firebase team to the bug report I sent concerning this issue:
Yes, you are right. This is currently an issue from Firebase SDK 11.6.0 onwards.
Our engineers are currently working on a fix for this issue, but I can't share any details or timelines at this time.
In the meantime, I would suggest you to use the older version of the Firebase SDK.
You may check our release notes for any further updates.

Had same issue. Fixed in Firebase SDK 11.8.0.

Also checked the release notes:
SDK Version 11.8.0 - December 18, 2017
Cloud Messaging
Fixed an internal NullPointerException caused by a call to NetworkInfo.isConnected().