```Fatal Exception: java.lang.IllegalStateExceptio...
# android
b
Copy code
Fatal Exception: java.lang.IllegalStateException: Already in the pool!
       at android.support.v4.util.Pools$SimplePool.release(Pools.java:117)
       at android.support.v7.widget.AdapterHelper.recycleUpdateOp(AdapterHelper.java:743)
       at android.support.v7.widget.AdapterHelper.recycleUpdateOpsAndClearList(AdapterHelper.java:750)
       at android.support.v7.widget.AdapterHelper.consumePostponedUpdates(AdapterHelper.java:123)
       at android.support.v7.widget.AdapterHelper.consumeUpdatesInOnePass(AdapterHelper.java:557)
       at android.support.v7.widget.RecyclerView.dispatchLayoutStep2(RecyclerView.java:3918)
       at android.support.v7.widget.RecyclerView.dispatchLayout(RecyclerView.java:3641)
       at android.support.v7.widget.RecyclerView.consumePendingUpdateOperations(RecyclerView.java:1877)
       at android.support.v7.widget.RecyclerView$ViewFlinger.run(RecyclerView.java:5044)
       at android.view.Choreographer$CallbackRecord.run(Choreographer.java:930)
       at android.view.Choreographer.doCallbacks(Choreographer.java:705)
       at android.view.Choreographer.doFrame(Choreographer.java:637)
       at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:916)
       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:6816)
       at java.lang.reflect.Method.invoke(Method.java)
       at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1565)
       at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1453)
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