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https://issues.apache.org/jira/browse/HDDS-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16876264#comment-16876264
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Hudson commented on HDDS-1555:
------------------------------
FAILURE: Integrated in Jenkins build Hadoop-trunk-Commit #16842 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/16842/])
HDDS-1555. Disable install snapshot for ContainerStateMachine. (msingh: rev
9df6275954844a9617e20eb4924ee7898ca0df8e)
* (edit)
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/XceiverServerRatis.java
* (edit) hadoop-hdds/pom.xml
* (edit) hadoop-hdds/common/src/main/resources/ozone-default.xml
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/ozone/OzoneConfigKeys.java
* (edit)
hadoop-hdds/client/src/main/java/org/apache/hadoop/hdds/scm/XceiverClientRatis.java
* (edit)
hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/ratis/OzoneManagerRatisClient.java
* (edit) hadoop-ozone/pom.xml
* (edit)
hadoop-hdds/container-service/src/main/java/org/apache/hadoop/ozone/container/common/transport/server/ratis/ContainerStateMachine.java
* (edit)
hadoop-hdds/common/src/main/java/org/apache/hadoop/hdds/scm/ScmConfigKeys.java
> Disable install snapshot for ContainerStateMachine
> --------------------------------------------------
>
> Key: HDDS-1555
> URL: https://issues.apache.org/jira/browse/HDDS-1555
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode
> Affects Versions: 0.3.0
> Reporter: Mukul Kumar Singh
> Assignee: Siddharth Wagle
> Priority: Major
> Labels: MiniOzoneChaosCluster, pull-request-available
> Fix For: 0.5.0
>
> Time Spent: 4.5h
> Remaining Estimate: 0h
>
> In case a follower lags behind the leader by a large number, the leader tries
> to send the snapshot to the follower. For ContainerStateMachine, the
> information in the snapshot it not the entire state machine data.
> InstallSnapshot for ContainerStateMachine should be disabled.
> {code}
> 2019-05-19 10:58:22,198 WARN server.GrpcLogAppender
> (GrpcLogAppender.java:installSnapshot(423)) -
> GrpcLogAppender(e3e19760-1340-4acd-b50d-f8a796a97254->28d9bd2f-3fe2-4a69-8120-757a00fa2f20):
> failed to install snapshot
> [/Users/msingh/code/apache/ozone/github/git_oz_bugs_fixes/hadoop-ozone/integration-test/target/test/data/MiniOzoneClusterImpl-c2a863ef-8be9-445c-886f-57cad3a7b12e/datanode-6/data/ratis/fb88b749-3e75-4381-8973-6e0cb4904c7e/sm/snapshot.2_190]:
> {}
> java.lang.NullPointerException
> at
> org.apache.ratis.server.impl.LogAppender.readFileChunk(LogAppender.java:369)
> at
> org.apache.ratis.server.impl.LogAppender.access$1100(LogAppender.java:54)
> at
> org.apache.ratis.server.impl.LogAppender$SnapshotRequestIter$1.next(LogAppender.java:318)
> at
> org.apache.ratis.server.impl.LogAppender$SnapshotRequestIter$1.next(LogAppender.java:303)
> at
> org.apache.ratis.grpc.server.GrpcLogAppender.installSnapshot(GrpcLogAppender.java:412)
> at
> org.apache.ratis.grpc.server.GrpcLogAppender.runAppenderImpl(GrpcLogAppender.java:101)
> at
> org.apache.ratis.server.impl.LogAppender$AppenderDaemon.run(LogAppender.java:80)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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