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https://issues.apache.org/jira/browse/HBASE-18529?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16116798#comment-16116798
 ] 

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

| (/) *{color:green}+1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m 
14s{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: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}  4m 
 8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
19s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{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}  0m 
43s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
20s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
22s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
19s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
25s{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} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} hadoopcheck {color} | {color:green} 
37m 33s{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 
53s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
18s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
33s{color} | {color:green} hbase-common 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} 49m 23s{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-18529 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12880658/HBASE-18529.master.002.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  hadoopcheck  
hbaseanti  checkstyle  compile  |
| uname | Linux eb708a5c9424 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 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7964/testReport/ |
| modules | C: hbase-common U: hbase-common |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/7964/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, 
> HBASE-18529.master.002.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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