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https://issues.apache.org/jira/browse/RATIS-795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17021370#comment-17021370
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Siddharth Wagle commented on RATIS-795:
---------------------------------------
Hi [~shashikant], thanks for the review, I ran all the failing tests and all
except TestMetaServer passed.
{code}
[INFO] -------------------------------------------------------
[INFO] T E S T S
[INFO] -------------------------------------------------------
[INFO] Running org.apache.ratis.grpc.TestRaftAsyncWithGrpc
[INFO] Tests run: 12, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 48.713
s - in org.apache.ratis.grpc.TestRaftAsyncWithGrpc
[INFO] Running org.apache.ratis.grpc.TestRaftStateMachineExceptionWithGrpc
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.147 s
- in org.apache.ratis.grpc.TestRaftStateMachineExceptionWithGrpc
[INFO] Running org.apache.ratis.grpc.TestRaftSnapshotWithGrpc
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.827 s
- in org.apache.ratis.grpc.TestRaftSnapshotWithGrpc
[INFO] Running org.apache.ratis.grpc.TestRaftWithGrpc
[INFO] Tests run: 8, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 53.13 s
- in org.apache.ratis.grpc.TestRaftWithGrpc
[INFO] Running org.apache.ratis.server.raftlog.TestRaftLogMetrics
[INFO] Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.924 s
- in org.apache.ratis.server.raftlog.TestRaftLogMetrics
[INFO] Running org.apache.ratis.server.simulation.TestRaftWithSimulatedRpc
[INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 30.635 s
- in org.apache.ratis.server.simulation.TestRaftWithSimulatedRpc
[INFO] Running
org.apache.ratis.server.simulation.TestRaftStateMachineExceptionWithSimulatedRpc
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.301 s
- in
org.apache.ratis.server.simulation.TestRaftStateMachineExceptionWithSimulatedRpc
[INFO] Running
org.apache.ratis.server.simulation.TestRaftSnapshotWithSimulatedRpc
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 3.628 s
- in org.apache.ratis.server.simulation.TestRaftSnapshotWithSimulatedRpc
[INFO] Running
org.apache.ratis.server.simulation.TestServerRestartWithSimulatedRpc
[INFO] Tests run: 5, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.325 s
- in org.apache.ratis.server.simulation.TestServerRestartWithSimulatedRpc
[INFO] Running
org.apache.ratis.server.simulation.TestLeaderElectionWithSimulatedRpc
[INFO] Tests run: 7, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 18.201 s
- in org.apache.ratis.server.simulation.TestLeaderElectionWithSimulatedRpc
[INFO] Running org.apache.ratis.netty.TestRaftSnapshotWithNetty
[INFO] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.105 s
- in org.apache.ratis.netty.TestRaftSnapshotWithNetty
[INFO] Running org.apache.ratis.netty.TestRaftStateMachineExceptionWithNetty
[INFO] Tests run: 3, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 4.016 s
- in org.apache.ratis.netty.TestRaftStateMachineExceptionWithNetty
[INFO]
[INFO] Results:
[INFO]
[INFO] Tests run: 53, Failures: 0, Errors: 0, Skipped: 0
{code}
> Read SateMachine data failure should result in log fail notification
> --------------------------------------------------------------------
>
> Key: RATIS-795
> URL: https://issues.apache.org/jira/browse/RATIS-795
> Project: Ratis
> Issue Type: Bug
> Components: server
> Affects Versions: 0.4.0
> Reporter: Siddharth Wagle
> Assignee: Siddharth Wagle
> Priority: Major
> Fix For: 0.5.0
>
> Attachments: RATIS-795.01.patch
>
>
> Presently an exception thrown during read state machine data causes a
> RaftLogException to be thrown but we do not notify the state machine.
> Downstream in Ozone the state machine is marked unhealthy and there is no way
> for the follower to recover.
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