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https://issues.apache.org/jira/browse/RATIS-502?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16796016#comment-16796016
]
Hadoop QA commented on RATIS-502:
---------------------------------
| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue} 0m
13s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue} 0m
0s{color} | {color:blue} Findbugs executables are not available. {color} |
| {color:green}+1{color} | {color:green} @author {color} | {color:green} 0m
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
| {color:red}-1{color} | {color:red} test4tests {color} | {color:red} 0m
0s{color} | {color:red} The patch doesn't appear to include any new or modified
tests. Please justify why no new tests are needed for this patch. Also please
list what manual steps were performed to verify this patch. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 2m
48s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
47s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
18s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
43s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
52s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
48s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
10s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
33s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 13m 24s{color}
| {color:red} root in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
17s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 21m 5s{color} |
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | ratis.netty.TestGroupInfoWithNetty |
| | ratis.netty.TestRaftReconfigurationWithNetty |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/ratis:date2019-03-19
|
| JIRA Issue | RATIS-502 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12962963/r502_20190319.patch |
| Optional Tests | dupname asflicense javac javadoc unit findbugs
checkstyle compile |
| uname | Linux 8085d305647f 4.4.0-139-generic #165~14.04.1-Ubuntu SMP Wed Oct
31 10:55:11 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-RATIS-Build/yetus-personality.sh
|
| git revision | master / 74b491c |
| maven | version: Apache Maven 3.6.0
(97c98ec64a1fdfee7767ce5ffb20918da4f719f3; 2018-10-24T18:41:47Z) |
| Default Java | 1.8.0_191 |
| unit |
https://builds.apache.org/job/PreCommit-RATIS-Build/692/artifact/out/patch-unit-root.txt
|
| Test Results |
https://builds.apache.org/job/PreCommit-RATIS-Build/692/testReport/ |
| Max. process+thread count | 2769 (vs. ulimit of 5000) |
| modules | C: ratis-server U: ratis-server |
| Console output |
https://builds.apache.org/job/PreCommit-RATIS-Build/692/console |
| Powered by | Apache Yetus 0.8.0 http://yetus.apache.org |
This message was automatically generated.
> Commit Index less than the snapshot's commit indexes need to be ignored on
> restart
> ----------------------------------------------------------------------------------
>
> Key: RATIS-502
> URL: https://issues.apache.org/jira/browse/RATIS-502
> Project: Ratis
> Issue Type: Bug
> Components: server
> Reporter: Mukul Kumar Singh
> Assignee: Tsz Wo Nicholas Sze
> Priority: Major
> Attachments: r502_20190319.patch
>
>
> This problem was seen with Ozone in datanodes state machine.
> Before restart of the datanode, a snapshot was taken at log index 6. Please
> note that the commit entry for this will be after this log index in the Raft
> Log.
> {code}
> 2019-03-19 08:56:30,225 INFO impl.StateMachineUpdater
> (StateMachineUpdater.java:stopAndJoin(109)) -
> StateMachineUpdater-4c165953-147b-48fb-89e1-951579e828eb: set stopIndex = 6
> 2019-03-19 08:56:30,225 INFO ratis.ContainerStateMachine
> (ContainerStateMachine.java:takeSnapshot(245)) - Taking snapshot at
> termIndex:(t:1, i:6)
> 2019-03-19 08:56:30,226 INFO ratis.ContainerStateMachine
> (ContainerStateMachine.java:takeSnapshot(249)) - Taking a snapshot to file
> /Users/msingh/code/apache/ozone/oz_new1/hadoop-ozone/integration-test/t
> arget/test-dir/MiniOzoneClusterImpl-0fa66624-f533-44bc-8f6f-99cf251fe4c3/datanode-0/data/ratis/34393916-e10d-4b3c-b212-5c910eea4935/sm/snapshot.1_6
> 2019-03-19 08:56:30,231 INFO impl.RaftServerImpl
> (ServerState.java:close(386)) - 4c165953-147b-48fb-89e1-951579e828eb closes.
> The last applied log index is 6
> {code}
> After restart, the state machine register 6 as the log index in the snapshot.
> {code}
> 2019-03-19 08:56:33,351 INFO ratis.ContainerStateMachine
> (ContainerStateMachine.java:loadSnapshot(209)) - Setting the last applied
> index to (t:1, i:6)
> {code}
> Now, after applying all the transactions after the snapshot, the state
> machine will encounter a commit entry for this log index (5). this hits the
> assert in the state machine.
> {code}
> java.io.IOException: java.lang.IllegalStateException: Failed to
> updateIncreasingly for commitIndex: 6 -> 5
> at org.apache.ratis.util.IOUtils.asIOException(IOUtils.java:54)
> at org.apache.ratis.util.IOUtils.toIOException(IOUtils.java:61)
> at org.apache.ratis.util.IOUtils.getFromFuture(IOUtils.java:70)
> at
> org.apache.ratis.server.impl.RaftServerProxy.getImpls(RaftServerProxy.java:283)
> at
> org.apache.ratis.server.impl.RaftServerProxy.start(RaftServerProxy.java:295)
> at
> org.apache.hadoop.ozone.container.common.transport.server.ratis.XceiverServerRatis.start(XceiverServerRatis.java:417)
> at
> org.apache.hadoop.ozone.container.ozoneimpl.OzoneContainer.start(OzoneContainer.java:182)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.start(DatanodeStateMachine.java:165)
> at
> org.apache.hadoop.ozone.container.common.statemachine.DatanodeStateMachine.lambda$startDaemon$0(DatanodeStateMachine.java:334)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.IllegalStateException: Failed to updateIncreasingly for
> commitIndex: 6 -> 5
> at
> org.apache.ratis.util.Preconditions.assertTrue(Preconditions.java:72)
> at
> org.apache.ratis.server.storage.RaftLogIndex.updateIncreasingly(RaftLogIndex.java:60)
> at
> org.apache.ratis.server.storage.RaftLog.lambda$open$7(RaftLog.java:245)
> at java.util.Optional.ifPresent(Optional.java:159)
> at org.apache.ratis.server.storage.RaftLog.open(RaftLog.java:244)
> at
> org.apache.ratis.server.impl.ServerState.initLog(ServerState.java:191)
> at
> org.apache.ratis.server.impl.ServerState.<init>(ServerState.java:114)
> at
> org.apache.ratis.server.impl.RaftServerImpl.<init>(RaftServerImpl.java:103)
> at
> org.apache.ratis.server.impl.RaftServerProxy.lambda$newRaftServerImpl$2(RaftServerProxy.java:207)
> at
> java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1590)
> at
> java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1582)
> at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
> at
> java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
> at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1692)
> at
> java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)
> {code}
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