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https://issues.apache.org/jira/browse/RATIS-2347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Tsz-wo Sze resolved RATIS-2347.
-------------------------------
Fix Version/s: 3.2.1
Resolution: Fixed
The pull request was merged.
> NPE in GrpcServerProtocolService
> --------------------------------
>
> Key: RATIS-2347
> URL: https://issues.apache.org/jira/browse/RATIS-2347
> Project: Ratis
> Issue Type: Bug
> Components: gRPC
> Reporter: Tsz-wo Sze
> Assignee: Tsz-wo Sze
> Priority: Major
> Fix For: 3.2.1
>
> Time Spent: 40m
> Remaining Estimate: 0h
>
> When a request has timed out, the reply is null. Then, it will cause the
> NullPointerException below when calling TextFormat.shortDebugString(reply)
> {code}
> java.lang.NullPointerException: Cannot invoke
> "org.apache.ratis.thirdparty.com.google.protobuf.MessageOrBuilder.getDescriptorForType()"
> because "message" is null
> at
> org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.print(TextFormat.java:340)
> at
> org.apache.ratis.thirdparty.com.google.protobuf.TextFormat$Printer.shortDebugString(TextFormat.java:616)
> at
> org.apache.ratis.thirdparty.com.google.protobuf.TextFormat.shortDebugString(TextFormat.java:99)
> at
> org.apache.ratis.grpc.server.GrpcServerProtocolService$ServerRequestStreamObserver.lambda$null$7(GrpcServerProtocolService.java:179)
> at
> org.apache.ratis.util.BatchLogger$BatchedLogEntry.execute(BatchLogger.java:83)
> at
> org.apache.ratis.util.BatchLogger$BatchedLogEntry.access$200(BatchLogger.java:74)
> at org.apache.ratis.util.BatchLogger.lambda$null$1(BatchLogger.java:123)
> at java.base/java.util.Optional.ifPresent(Optional.java:178)
> at
> org.apache.ratis.util.BatchLogger.lambda$print$2(BatchLogger.java:123)
> at
> org.apache.ratis.util.TimeoutTimer.lambda$onTimeout$2(TimeoutTimer.java:101)
> at org.apache.ratis.util.LogUtils.runAndLog(LogUtils.java:38)
> at org.apache.ratis.util.LogUtils$1.run(LogUtils.java:78)
> at org.apache.ratis.util.TimeoutTimer$Task.run(TimeoutTimer.java:55)
> at java.base/java.util.TimerThread.mainLoop(Timer.java:566)
> at java.base/java.util.TimerThread.run(Timer.java:516)
> {code}
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