IllegalMonitorStateException in FirebaseInstallations

[your-mirror]

[READ] Step 1: Are you in the right place?

Issues filed here should be about bugs in the code in this repository.
If you have a general question, need help debugging, or fall into some
other category use one of these other channels:

• For general technical questions, post a question on StackOverflow
  with the firebase tag.
• For general Firebase discussion, use the firebase-talk
  google group.
• For help troubleshooting your application that does not fall under one
  of the above categories, reach out to the personalized
  Firebase support channel.

[REQUIRED] Step 2: Describe your environment

• Android Studio version: Arctic Fox 2020.3.1 Patch 4
• Firebase Components & components version:
  com.google.firebase:firebase-crashlytics-gradle 2.7.1
  com.google.firebase:firebase-bom 25.9.0
  com.google.firebase:firebase-messaging 20.2.4
  com.google.firebase:firebase-iid 20.2.4
  com.google.firebase:firebase-analytics 17.5.0
  com.google.firebase:firebase-dynamic-links 19.1.0
  com.google.firebase:firebase-crashlytics 18.2.1

[REQUIRED] Step 3: Describe the problem

We have many crashes in Firebase Crashlytics. I saw similar bug

Steps to reproduce:

No steps to reproduce, it crashes randomly

• it seems to happen only on Android 8 (81%) & 9 (19%) devices
• 91% of crashes happen on xiaomi phones

Relevant Code:

Exception log:
1.

Fatal Exception: java.lang.NullPointerException: Attempt to invoke virtual method 'java.lang.Object java.util.LinkedHashMap.get(java.lang.Object)' on a null object reference
       at org.json.JSONObject.opt(JSONObject.java:402)
       at org.json.JSONObject.optString(JSONObject.java:574)
       at com.google.firebase.installations.local.PersistedInstallation.readPersistedInstallationEntryValue(PersistedInstallation.java:93)
       at com.google.firebase.installations.FirebaseInstallations.getMultiProcessSafePrefs(FirebaseInstallations.java:624)
       at com.google.firebase.installations.FirebaseInstallations.doNetworkCallIfNecessary(FirebaseInstallations.java:381)
       at com.google.firebase.installations.FirebaseInstallations.lambda$doRegistrationOrRefresh$2(FirebaseInstallations.java:377)
       at com.avito.android.component.contact_bar.AdvertDetailsContactBar$$InternalSyntheticLambda$0$492c2372c1aaa97d7fe79dc7ebc678ee9c68c69f880b47fc1b918ad55f542bf4$1.run$bridge(AdvertDetailsContactBar.java:7)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
       at java.lang.Thread.run(Thread.java:764)

Fatal Exception: java.lang.IllegalMonitorStateException: unlock of unowned monitor on object of type 'java.io.ByteArrayOutputStream' on thread 'Thread[350,tid=31814,Runnable,Thread*=0x7a605a3c00,peer=0x17411c70,"firebase-installations-executor-56"]'
       at java.io.ByteArrayOutputStream.toString(ByteArrayOutputStream.java:221)
       at com.google.firebase.installations.local.PersistedInstallation.readJSONFromFile(PersistedInstallation.java:125)
       at com.google.firebase.installations.local.PersistedInstallation.readPersistedInstallationEntryValue(PersistedInstallation.java:91)
       at com.google.firebase.installations.FirebaseInstallations.getMultiProcessSafePrefs(FirebaseInstallations.java:624)
       at com.google.firebase.installations.FirebaseInstallations.doNetworkCallIfNecessary(FirebaseInstallations.java:381)
       at com.google.firebase.installations.FirebaseInstallations.lambda$doRegistrationOrRefresh$2(FirebaseInstallations.java:377)
       at com.avito.android.component.contact_bar.AdvertDetailsContactBar$$InternalSyntheticLambda$0$492c2372c1aaa97d7fe79dc7ebc678ee9c68c69f880b47fc1b918ad55f542bf4$1.run$bridge(AdvertDetailsContactBar.java:7)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1167)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:641)
       at java.lang.Thread.run(Thread.java:764)

Fatal Exception: java.lang.StringIndexOutOfBoundsException: length=0; regionStart=0; regionLength=514
       at java.lang.StringFactory.newStringFromChars(StringFactory.java:218)
       at java.lang.StringFactory.newStringFromBytes(StringFactory.java:205)
       at java.lang.StringFactory.newStringFromBytes(StringFactory.java:54)
       at java.io.ByteArrayOutputStream.toString(ByteArrayOutputStream.java:221)
       at com.google.firebase.installations.local.PersistedInstallation.readJSONFromFile(PersistedInstallation.java:125)
       at com.google.firebase.installations.local.PersistedInstallation.readPersistedInstallationEntryValue(PersistedInstallation.java:91)
       at com.google.firebase.installations.FirebaseInstallations.getMultiProcessSafePrefs(FirebaseInstallations.java:624)
       at com.google.firebase.installations.FirebaseInstallations.doNetworkCallIfNecessary(FirebaseInstallations.java:381)
       at com.google.firebase.installations.FirebaseInstallations.lambda$doRegistrationOrRefresh$2(FirebaseInstallations.java:377)
       at com.avito.android.component.contact_bar.AdvertDetailsContactBar$$InternalSyntheticLambda$0$492c2372c1aaa97d7fe79dc7ebc678ee9c68c69f880b47fc1b918ad55f542bf4$1.run$bridge(AdvertDetailsContactBar.java:7)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1162)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636)
       at java.lang.Thread.run(Thread.java:764)

[google-oss-bot]

I couldn't figure out how to label this issue, so I've labeled it for a human to triage. Hang tight.

[argzdev]

Hi @your-mirror, thanks for reporting. We'll investigate this and see what we can find.