Here is another ANR trace. Different view in the app. User presses a button, app writes to storage -> ANR
DALVIK THREADS (77):
"main" prio=5 tid=1 TimedWaiting
| group="main" sCount=1 dsCount=0 obj=0x73f58d40 self=0xb849c9b0
| sysTid=23247 nice=-1 cgrp=default sched=0/0 handle=0xb6ffabec
| state=S schedstat=( 17387033101 78651959083 90614 ) utm=1133 stm=605 core=0 HZ=100
| stack=0xbe66b000-0xbe66d000 stackSize=8MB
| held mutexes=
at java.lang.Object.wait!(Native method)
- waiting on <0x2ca5243d> (a java.lang.Object)
at java.lang.Thread.parkFor(Thread.java:1233)
- locked <0x2ca5243d> (a java.lang.Object)
at sun.misc.Unsafe.park(Unsafe.java:299)
at java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:197)
at com.couchbase.lite.internal.database.sqlite.SQLiteConnectionPool.waitForConnection(SQLiteConnectionPool.java:668)
at com.couchbase.lite.internal.database.sqlite.SQLiteConnectionPool.acquireConnection(SQLiteConnectionPool.java:346)
at com.couchbase.lite.internal.database.sqlite.SQLiteSession.acquireConnection(SQLiteSession.java:849)
at com.couchbase.lite.internal.database.sqlite.SQLiteSession.beginTransactionUnchecked(SQLiteSession.java:317)
at com.couchbase.lite.internal.database.sqlite.SQLiteSession.beginTransaction(SQLiteSession.java:305)
at com.couchbase.lite.internal.database.sqlite.SQLiteDatabase.beginTransaction(SQLiteDatabase.java:499)
at com.couchbase.lite.internal.database.sqlite.SQLiteDatabase.beginTransaction(SQLiteDatabase.java:410)
at com.couchbase.lite.storage.SQLiteStorageEngineBase.beginTransaction(SQLiteStorageEngineBase.java:150)
at com.couchbase.lite.store.SQLiteStore.beginTransaction(SQLiteStore.java:2309)
at com.couchbase.lite.store.SQLiteStore.add(SQLiteStore.java:1412)
at com.couchbase.lite.Database.put(Database.java:1839)
at com.couchbase.lite.Database.putRevision(Database.java:1789)
at com.couchbase.lite.Database.putRevision(Database.java:1780)
at com.couchbase.lite.Document.putProperties(Document.java:523)
at com.couchbase.lite.UnsavedRevision.save(UnsavedRevision.java:118)
at com.couchbase.lite.Document.update(Document.java:379)
at com.myapp.utils.a.a.p.a(CouchShoppingList.java:339)
at com.myapp.utils.a.b.g(CouchHelper.java:548)
at com.myapp.management.activities.allItems.a.c.b.a(CouchEdit.java:84)
at com.myapp.management.activities.allItems.a.c.b.a(CouchEdit.java:56)
at com.myapp.management.activities.allItems.a.c.f.a(ItemCouch.java:162)
at com.myapp.shoppingList.editItems.activity.own.EditExistingItem$2.onClick(EditExistingItem.java:99)
at android.view.View.performClick(View.java:4793)
at android.view.View$PerformClick.run(View.java:19959)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:135)
at android.app.ActivityThread.main(ActivityThread.java:5596)
at java.lang.reflect.Method.invoke!(Native method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:960)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:755)
Another one with different trace, but again with locks and mutexes
suspend all histogram: Sum: 4.393ms 99% C.I. 2us-1193.280us Avg: 72.016us Max: 1376us
DALVIK THREADS (55):
"CBLReplicationExecutor-http://<BACKEND-URL>-pull-097f8" prio=5 tid=40 Runnable
| group="main" sCount=0 dsCount=0 obj=0x135dc340 self=0x9c1fa400
| sysTid=16304 nice=0 cgrp=default sched=0/0 handle=0x9b0f5930
| state=R schedstat=( 13814017746 1723448144 7157 ) utm=1343 stm=38 core=3 HZ=100
| stack=0x9aff3000-0x9aff5000 stackSize=1038KB
| held mutexes= "mutator lock"(shared held)
at java.lang.ThreadLocal.get(ThreadLocal.java:65)
at com.couchbase.lite.internal.database.sqlite.SQLiteDatabase.getThreadSession(SQLiteDatabase.java:350)
at com.couchbase.lite.internal.database.sqlite.SQLiteProgram.getSession(SQLiteProgram.java:107)
at com.couchbase.lite.internal.database.sqlite.SQLiteStatement.executeInsert(SQLiteStatement.java:89)
at com.couchbase.lite.internal.database.sqlite.SQLiteDatabase.insertWithOnConflict(SQLiteDatabase.java:1455)
at com.couchbase.lite.internal.database.sqlite.SQLiteDatabase.insertOrThrow(SQLiteDatabase.java:1351)
at com.couchbase.lite.storage.SQLiteStorageEngineBase.insertOrThrow(SQLiteStorageEngineBase.java:195)
at com.couchbase.lite.store.SQLiteStore.insertRevision(SQLiteStore.java:2663)
at com.couchbase.lite.store.SQLiteStore.forceInsert(SQLiteStore.java:1722)
at com.couchbase.lite.Database.forceInsert(Database.java:1912)
at com.couchbase.lite.replicator.PullerInternal$9.run(PullerInternal.java:580)
at com.couchbase.lite.store.SQLiteStore.runInTransaction(SQLiteStore.java:717)
at com.couchbase.lite.replicator.PullerInternal.insertDownloads(PullerInternal.java:562)
at com.couchbase.lite.replicator.PullerInternal$2.process(PullerInternal.java:127)
at com.couchbase.lite.support.Batcher.processNow(Batcher.java:396)
- locked <0x04bbfdf7> (a java.lang.Object)
at com.couchbase.lite.support.Batcher.access$300(Batcher.java:29)
at com.couchbase.lite.support.Batcher$2.run(Batcher.java:330)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
at java.util.concurrent.FutureTask.run(FutureTask.java:237)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:154)
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:269)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
at java.lang.Thread.run(Thread.java:818)