[ 
https://issues.apache.org/jira/browse/HBASE-18529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116503#comment-16116503
 ] 

Hadoop QA commented on HBASE-18529:
-----------------------------------

| (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 
19s{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}  3m 
27s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
20s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green}  0m 
10s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  0m 
33s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
15s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
16s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
17s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
20s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {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} hadoopcheck {color} | {color:green} 
31m 27s{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}  0m 
41s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
15s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red}  2m  6s{color} 
| {color:red} hbase-common in the patch failed. {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} 41m 16s{color} | 
{color:black} {color} |
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|| Reason || Tests ||
| Failed junit tests | hadoop.hbase.util.TestCoprocessorClassLoader |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.03.0-ce Server=17.03.0-ce Image:yetus/hbase:bdc94b1 |
| JIRA Issue | HBASE-18529 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12880627/HBASE-18529.master.001.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux 226c6798d7ab 3.13.0-116-generic #163-Ubuntu SMP Fri Mar 31 
14:13:22 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 / fd76eb3 |
| Default Java | 1.8.0_131 |
| findbugs | v3.1.0-RC3 |
| unit | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7962/artifact/patchprocess/patch-unit-hbase-common.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7962/testReport/ |
| modules | C: hbase-common U: hbase-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7962/console |
| Powered by | Apache Yetus 0.4.0   http://yetus.apache.org |


This message was automatically generated.



> Do not delete the tmp jars dir when load the coprocessor jar
> ------------------------------------------------------------
>
>                 Key: HBASE-18529
>                 URL: https://issues.apache.org/jira/browse/HBASE-18529
>             Project: HBase
>          Issue Type: Bug
>          Components: Coprocessors
>            Reporter: Yun Zhao
>            Assignee: Yun Zhao
>         Attachments: HBASE-18529.master.001.patch
>
>
> When multi regionserver is deployed on a single server, used default 
> hbase.local.dir . The tmp jars dir will deleted when one of them is restarted.
> Also when multi regionserver start at the same time, the jar in the 
> copyToLocalFile process may be deleted, causing the coprocessor load failed.
> {code}
> 2017-08-06 20:02:15,326 ERROR [RS_OPEN_REGION-xxxx-2] 
> regionserver.RegionCoprocessorHost: Failed to load coprocessor xxxx
> ENOENT: No such file or directory
>         at org.apache.hadoop.io.nativeio.NativeIO$POSIX.chmodImpl(Native 
> Method)
>         at 
> org.apache.hadoop.io.nativeio.NativeIO$POSIX.chmod(NativeIO.java:226)
>         at 
> org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:629)
>         at 
> org.apache.hadoop.fs.FilterFileSystem.setPermission(FilterFileSystem.java:467)
>         at 
> org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:456)
>         at 
> org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:424)
>         at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:906)
>         at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:887)
>         at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:784)
>         at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:365)
>         at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:338)
>         at org.apache.hadoop.fs.FileUtil.copy(FileUtil.java:289)
>         at 
> org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1968)
>         at 
> org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1937)
>         at 
> org.apache.hadoop.fs.FileSystem.copyToLocalFile(FileSystem.java:1913)
>         at 
> org.apache.hadoop.hbase.util.CoprocessorClassLoader.init(CoprocessorClassLoader.java:168)
>         at 
> org.apache.hadoop.hbase.util.CoprocessorClassLoader.getClassLoader(CoprocessorClassLoader.java:250)
> {code}



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