[RATIS-559] LogAppender.getPrevious throws IllegalStateException

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 0.2.0
• Fix Version/s: 0.4.0
• Component/s: server
• Target Version/s: 0.4.0
• Assignee: Tsz-wo Sze
• Reporter: Mukul Kumar Singh
• Created: 19/May/19 08:18
• Updated: 24/May/19 06:08
• Resolved: 24/May/19 06:08

Description

GrpcLogAppender#createRequest throws IllegalStateException

2019-05-19 13:29:29,879 ERROR impl.LogAppender (LogAppender.java:run(90)) - org.apache.ratis.server.impl.LogAppender$AppenderDaemon@f7cf7bd unexpected exception
java.lang.IllegalStateException: GrpcLogAppender(c04faabb-66d4-4cd0-85c2-412d28ae70e1->bd0ce7cf-56a1-44e8-bf84-3cf5d431c1cf): follower's nextIndex = 1 != logStartIndex = 9995
        at org.apache.ratis.util.Preconditions.assertTrue(Preconditions.java:63)
        at org.apache.ratis.server.impl.LogAppender.getPrevious(LogAppender.java:179)
        at org.apache.ratis.server.impl.LogAppender.createRequest(LogAppender.java:186)
        at org.apache.ratis.grpc.server.GrpcLogAppender.appendLog(GrpcLogAppender.java:169)
        at org.apache.ratis.grpc.server.GrpcLogAppender.runAppenderImpl(GrpcLogAppender.java:113)
        at org.apache.ratis.server.impl.LogAppender$AppenderDaemon.run(LogAppender.java:80)
        at java.lang.Thread.run(Thread.java:748)