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https://issues.apache.org/jira/browse/HDFS-9950?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15192184#comment-15192184
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Hadoop QA commented on HDFS-9950:
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| (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 10s
{color} | {color:blue} Docker mode activated. {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:green}+1{color} | {color:green} test4tests {color} | {color:green} 0m
0s {color} | {color:green} The patch appears to include 1 new or modified test
files. {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m
42s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 46s
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 42s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
18s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 51s
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
12s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
55s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 14s
{color} | {color:green} trunk passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 53s
{color} | {color:green} trunk passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
47s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 46s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 46s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 40s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
17s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 49s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green} 0m
0s {color} | {color:green} Patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 2m 5s
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 8s
{color} | {color:green} the patch passed with JDK v1.8.0_74 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 48s
{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 63m 10s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_74. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 57m 39s {color}
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_95. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
19s {color} | {color:green} Patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 146m 25s {color}
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_74 Failed junit tests | hadoop.hdfs.server.namenode.TestEditLog |
| | hadoop.hdfs.TestFileAppend |
| | hadoop.hdfs.TestDFSUpgradeFromImage |
| JDK v1.7.0_95 Failed junit tests |
hadoop.hdfs.server.namenode.ha.TestBootstrapStandbyWithQJM |
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|| Subsystem || Report/Notes ||
| Docker | Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12793182/HDFS-9950.001.patch |
| JIRA Issue | HDFS-9950 |
| Optional Tests | asflicense compile javac javadoc mvninstall mvnsite
unit findbugs checkstyle |
| uname | Linux b4fa6036c547 3.13.0-36-lowlatency #63-Ubuntu SMP PREEMPT Wed
Sep 3 21:56:12 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/hadoop/patchprocess/precommit/personality/provided.sh
|
| git revision | trunk / 658ee95 |
| Default Java | 1.7.0_95 |
| Multi-JDK versions | /usr/lib/jvm/java-8-oracle:1.8.0_74
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 |
| findbugs | v3.0.0 |
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/14805/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt
|
| unit |
https://builds.apache.org/job/PreCommit-HDFS-Build/14805/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| unit test logs |
https://builds.apache.org/job/PreCommit-HDFS-Build/14805/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_74.txt
https://builds.apache.org/job/PreCommit-HDFS-Build/14805/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_95.txt
|
| JDK v1.7.0_95 Test Results |
https://builds.apache.org/job/PreCommit-HDFS-Build/14805/testReport/ |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U:
hadoop-hdfs-project/hadoop-hdfs |
| Console output |
https://builds.apache.org/job/PreCommit-HDFS-Build/14805/console |
| Powered by | Apache Yetus 0.2.0 http://yetus.apache.org |
This message was automatically generated.
> TestDecommissioningStatus fails intermittently in trunk
> -------------------------------------------------------
>
> Key: HDFS-9950
> URL: https://issues.apache.org/jira/browse/HDFS-9950
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: test
> Reporter: Lin Yiqun
> Assignee: Lin Yiqun
> Attachments: HDFS-9950.001.patch
>
>
> I often found that the testcase {{TestDecommissioningStatus}} failed
> sometimes. And I looked the test failed report, it always show these error
> infos:
> {code}
> testDecommissionStatus(org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatus)
> Time elapsed: 0.462 sec <<< FAILURE!
> java.lang.AssertionError: Unexpected num under-replicated blocks expected:<3>
> but was:<4>
> at org.junit.Assert.fail(Assert.java:88)
> at org.junit.Assert.failNotEquals(Assert.java:743)
> at org.junit.Assert.assertEquals(Assert.java:118)
> at org.junit.Assert.assertEquals(Assert.java:555)
> at
> org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatus.checkDecommissionStatus(TestDecommissioningStatus.java:196)
> at
> org.apache.hadoop.hdfs.server.namenode.TestDecommissioningStatus.testDecommissionStatus(TestDecommissioningStatus.java:291)
> {code}
> And I know the reason is that the under-replicated num is not correct in
> method checkDecommissionStatus of
> {{TestDecommissioningStatus#testDecommissionStatus}}.
> In this testcase, each datanode should have 4 blocks(2 for decommission.dat,
> 2 for decommission.dat1)The expect num 3 on first node is because the
> lastBlock of uc blockCollection can not be replicated if its numlive just
> more than blockManager minReplication(in this case is 1). And before decommed
> second datanode, it has already one live replication for the uc
> blockCollection' lastBlock in this node.
> So in this failed case, the first node's under-replicat changes to 4
> indicated that the uc blockCollection lastBlock's livenum is already 0 before
> the second datanode decommed. So I think there are two possibilitys will lead
> to it.
> * The second datanode was already decommed before node one.
> * Creating file decommission.dat1 failed that lead that the second datanode
> has no this block.
> And I read the code, it has checked the decommission-in-progress nodes here
> {code}
> if (iteration == 0) {
> assertEquals(decommissioningNodes.size(), 1);
> DatanodeDescriptor decommNode = decommissioningNodes.get(0);
> checkDecommissionStatus(decommNode, 3, 0, 1);
> checkDFSAdminDecommissionStatus(decommissioningNodes.subList(0, 1),
> fileSys, admin);
> }
> {code}
> So it seems the second possibility are more likely the reason. And in
> addition, it hasn't did a block number check when finished the creating file.
> So we could do a check and retry operatons here if block number is not
> correct as expected.
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