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https://issues.apache.org/jira/browse/HBASE-15121?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16129611#comment-16129611
]
Hadoop QA commented on HBASE-15121:
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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
17s{color} | {color:blue} Docker mode activated. {color} |
| {color:green}+1{color} | {color:green} hbaseanti {color} | {color:green} 0m
0s{color} | {color:green} Patch does not have any anti-patterns. {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:green}+1{color} | {color:green} mvninstall {color} | {color:green} 4m
34s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
18s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
26s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
11s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
3s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
21s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m
23s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m
28s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m
13s{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} hadoopcheck {color} | {color:green}
33m 5s{color} | {color:green} Patch does not cause any errors with Hadoop
2.6.1 2.6.2 2.6.3 2.6.4 2.6.5 2.7.1 2.7.2 2.7.3 or 3.0.0-alpha4. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m
9s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 0m
21s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green} 2m
30s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green} 0m
8s{color} | {color:green} The patch does not generate ASF License warnings.
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 46m 15s{color} |
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=1.11.2 Server=1.11.2 Image:yetus/hbase:bdc94b1 |
| JIRA Issue | HBASE-15121 |
| JIRA Patch URL |
https://issues.apache.org/jira/secure/attachment/12783284/HBASE-15121-v0.patch |
| Optional Tests | asflicense javac javadoc unit findbugs hadoopcheck
hbaseanti checkstyle compile |
| uname | Linux 9c9ae54c15e9 3.13.0-123-generic #172-Ubuntu SMP Mon Jun 26
18:04:35 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality |
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build/component/dev-support/hbase-personality.sh
|
| git revision | master / a17ed03 |
| Default Java | 1.8.0_144 |
| findbugs | v3.1.0-RC3 |
| Test Results |
https://builds.apache.org/job/PreCommit-HBASE-Build/8125/testReport/ |
| modules | C: hbase-client U: hbase-client |
| Console output |
https://builds.apache.org/job/PreCommit-HBASE-Build/8125/console |
| Powered by | Apache Yetus 0.4.0 http://yetus.apache.org |
This message was automatically generated.
> ConnectionImplementation#locateRegionInMeta() issue when master is restarted
> ----------------------------------------------------------------------------
>
> Key: HBASE-15121
> URL: https://issues.apache.org/jira/browse/HBASE-15121
> Project: HBase
> Issue Type: Bug
> Components: Client
> Affects Versions: 2.0.0
> Reporter: Samir Ahmic
> Assignee: Samir Ahmic
> Fix For: 2.0.0
>
> Attachments: HBASE-15121-v0.patch, HBASE-15121-v0.patch
>
>
> I notice this issue while i was running
> IntegrationTestMTTR#testRestartMaster() test was failing on put operation.
> Here is sequence of events from logs leading to failed put operation:
> Master restart
> {code}
> INFO [pool-5-thread-1] util.Shell: Executing full command [/usr/bin/ssh
> hnode2 "sudo -u hbase ps aux | grep proc_master | grep -v grep | tr -s ' ' |
> cut -d ' ' -f2 | xargs kill -s SIGKILL"]
> {code}
> Client trying to locate region for row=70efdf2ec9b086079795c442636b55fb-17
> (this is additional logging inspecting metaKey which is used to search
> hbase:meta )
> {code}
> 2016-01-15 10:26:05,169 INFO [HBaseWriterThread_9]
> client.ConnectionImplementation: metaKey inspection:
> table=IntegrationTestMTTRLoadTestTool row=
> 70efdf2ec9b086079795c442636b55fb-17 metaKey=
> IntegrationTestMTTRLoadTestTool,70efdf2ec9b086079795c442636b55fb-17,99999999999999
> {code}
> Client throwing TableNotFoundException (hbase:meta scan returned null)
> {code}
> 2016-01-15 10:32:58,154 INFO [HBaseWriterThread_5]
> client.ConnectionImplementation: regionInfo result is null:
> HBaseWriterThread_5 throwing TableNotFoundException logging details
> table=IntegrationTestMTTRLoadTestTool row=70efdf2ec9b086079795c442636b55fb-17
> metaKey=IntegrationTestMTTRLoadTestTool,70efdf2ec9b086079795c442636b55fb-17,99999999999999
> 2016-01-15 10:32:58,154 ERROR [HBaseWriterThread_5] client.AsyncProcess:
> Failed to get region location
> org.apache.hadoop.hbase.TableNotFoundException:
> IntegrationTestMTTRLoadTestTool
> at
> org.apache.hadoop.hbase.client.ConnectionImplementation.locateRegionInMeta(ConnectionImplementation.java:890)
> at
> org.apache.hadoop.hbase.client.ConnectionImplementation.locateRegion(ConnectionImplementation.java:781)
> at
> org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:396)
> at
> org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:344)
> at
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.backgroundFlushCommits(BufferedMutatorImpl.java:239)
> at
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.flush(BufferedMutatorImpl.java:191)
> at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:949)
> at org.apache.hadoop.hbase.client.HTable.put(HTable.java:569)
> at
> org.apache.hadoop.hbase.util.MultiThreadedWriter$HBaseWriterThread.insert(MultiThreadedWriter.java:146)
> at
> org.apache.hadoop.hbase.util.MultiThreadedWriter$HBaseWriterThread.run(MultiThreadedWriter.java:111)
> {code}
> And as result we have failed insert operation:
> {code}
> 2016-01-15 10:32:58,179 ERROR [HBaseWriterThread_5] util.MultiThreadedWriter:
> Failed to insert: 17 after 60046ms; region information: cached:
> region=IntegrationTestMTTRLoadTestTool,66666660,1452849956427.05b437185a9437f178726a55a29a79b7.,
> hostname=hnode4,16020,1452776418437, seqNum=5; cache is up to date; errors:
> exception from null for 70efdf2ec9b086079795c442636b55fb-17
> org.apache.hadoop.hbase.TableNotFoundException:
> IntegrationTestMTTRLoadTestTool
> at
> org.apache.hadoop.hbase.client.ConnectionImplementation.locateRegionInMeta(ConnectionImplementation.java:890)
> at
> org.apache.hadoop.hbase.client.ConnectionImplementation.locateRegion(ConnectionImplementation.java:781)
> at
> org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:396)
> at
> org.apache.hadoop.hbase.client.AsyncProcess.submit(AsyncProcess.java:344)
> at
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.backgroundFlushCommits(BufferedMutatorImpl.java:239)
> at
> org.apache.hadoop.hbase.client.BufferedMutatorImpl.flush(BufferedMutatorImpl.java:191)
> at org.apache.hadoop.hbase.client.HTable.flushCommits(HTable.java:949)
> at org.apache.hadoop.hbase.client.HTable.put(HTable.java:569)
> at
> org.apache.hadoop.hbase.util.MultiThreadedWriter$HBaseWriterThread.insert(MultiThreadedWriter.java:146)
> at
> org.apache.hadoop.hbase.util.MultiThreadedWriter$HBaseWriterThread.run(MultiThreadedWriter.java:111)
> {code}
> leading to test failing:
> {code}
> Failed to write key: 17
> 2016-01-15 10:33:53,984 INFO [main] mttr.IntegrationTestMTTR: RestartMaster
> failed after 469878ms.
> java.util.concurrent.ExecutionException: java.lang.AssertionError: Load
> failed expected:<0> but was:<1>
> {code}
> Here is snippet from ConnectionImplementation#locateRegionInMeta() throwing
> exception:
> {code}
> try {
> Result regionInfoRow = null;
> ReversedClientScanner rcs = null;
> try {
> rcs = new ClientSmallReversedScanner(conf, s,
> TableName.META_TABLE_NAME, this,
> rpcCallerFactory, rpcControllerFactory, getMetaLookupPool(), 0);
> regionInfoRow = rcs.next();
> } finally {
> if (rcs != null) {
> rcs.close();
> }
> }
> if (regionInfoRow == null) {
> throw new TableNotFoundException(tableName);
> {code}
> I was able to avoid this issue by removing thrown declaration and adding
> continue allowing client to retry to locate region. This sounds like simplest
> solution here.
> Thoughts ?
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