[RATIS-515] IllegalStateException while updating matchIndex

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.4.0
• Fix Version/s: 0.4.0
• Component/s: server
• Labels: MiniOzoneChaosCluster
• Assignee: Tsz-wo Sze
• Reporter: Mukul Kumar Singh
• Created: 03/Apr/19 18:39
• Updated: 14/Jul/19 15:31
• Resolved: 14/May/19 14:01

Description

Match index is not updated increasingly as noted in the following stack trace.

java.lang.IllegalStateException: Failed to updateIncreasingly for matchIndex: 393 -> 0
        at org.apache.ratis.util.Preconditions.assertTrue(Preconditions.java:72)
        at org.apache.ratis.server.storage.RaftLogIndex.updateIncreasingly(RaftLogIndex.java:60)
        at org.apache.ratis.server.impl.FollowerInfo.updateMatchIndex(FollowerInfo.java:66)
        at org.apache.ratis.grpc.server.GrpcLogAppender.onSuccess(GrpcLogAppender.java:309)
        at org.apache.ratis.grpc.server.GrpcLogAppender$AppendLogResponseHandler.onNextImpl(GrpcLogAppender.java:239)
        at org.apache.ratis.grpc.server.GrpcLogAppender$AppendLogResponseHandler.onNext(GrpcLogAppender.java:224)
        at org.apache.ratis.grpc.server.GrpcLogAppender$AppendLogResponseHandler.onNext(GrpcLogAppender.java:206)
        at org.apache.ratis.thirdparty.io.grpc.stub.ClientCalls$StreamObserverToCallListenerAdapter.onMessage(ClientCalls.java:421)
        at org.apache.ratis.thirdparty.io.grpc.ForwardingClientCallListener.onMessage(ForwardingClientCallListener.java:33)
        at org.apache.ratis.thirdparty.io.grpc.ForwardingClientCallListener.onMessage(ForwardingClientCallListener.java:33)
        at org.apache.ratis.thirdparty.io.grpc.internal.ClientCallImpl$ClientStreamListenerImpl$1MessagesAvailable.runInContext(ClientCallImpl.java:519)
        at org.apache.ratis.thirdparty.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
        at org.apache.ratis.thirdparty.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
        at java.lang.Thread.run(Thread.java:748)

Issue Links

• duplicates: RATIS-516 IllegalStateException on GrpcLogAppender#AppendLogResponseHandler processing
• incorporates: RATIS-516 IllegalStateException on GrpcLogAppender#AppendLogResponseHandler processing