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  1. Ratis
  2. RATIS-577

NPE in LogAppender while creating a new request.

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    • Target Version/s:

      Description

      Found the following NPE in the LogAppender while creating a new request.

      2019-05-30 08:10:44,275 ERROR impl.LogAppender (LogAppender.java:run(90)) - org.apache.ratis.server.impl.LogAppender$AppenderDaemon@5e4b44cc unexpected exception
      java.lang.NullPointerException
              at java.util.Objects.requireNonNull(Objects.java:203)
              at java.util.Optional.<init>(Optional.java:96)
              at java.util.Optional.of(Optional.java:108)
              at org.apache.ratis.server.impl.ServerProtoUtils.getStateMachineEntry(ServerProtoUtils.java:197)
              at org.apache.ratis.server.impl.ServerProtoUtils.getStateMachineData(ServerProtoUtils.java:205)
              at org.apache.ratis.server.impl.ServerProtoUtils.shouldReadStateMachineData(ServerProtoUtils.java:210)
              at org.apache.ratis.server.raftlog.segmented.SegmentedRaftLog.getEntryWithData(SegmentedRaftLog.java:206)
              at org.apache.ratis.server.impl.LogAppender.createRequest(LogAppender.java:209)
              at org.apache.ratis.grpc.server.GrpcLogAppender.appendLog(GrpcLogAppender.java:169)
              at org.apache.ratis.grpc.server.GrpcLogAppender.runAppenderImpl(GrpcLogAppender.java:113)
              at org.apache.ratis.server.impl.LogAppender$AppenderDaemon.run(LogAppender.java:80)
              at java.lang.Thread.run(Thread.java:748)
      

        Attachments

        1. r577_20190604.patch
          1 kB
          Tsz-wo Sze

          Activity

            People

            • Assignee:
              szetszwo Tsz-wo Sze
              Reporter:
              msingh Mukul Kumar Singh
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              Dates

              • Created:
                Updated:
                Resolved: