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https://issues.apache.org/jira/browse/HBASE-19798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16476319#comment-16476319
 ] 

Hadoop QA commented on HBASE-19798:
-----------------------------------

| (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 
28s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {color} ||
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  0m  
2s{color} | {color:blue} Findbugs executables are not available. {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:brown} branch-1 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  2m 
 8s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
44s{color} | {color:green} branch-1 passed with JDK v1.8.0_172 {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
10s{color} | {color:red} hbase-client in branch-1 failed with JDK v1.7.0_181. 
{color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
36s{color} | {color:green} branch-1 passed {color} |
| {color:green}+1{color} | {color:green} shadedjars {color} | {color:green}  3m 
 4s{color} | {color:green} branch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
24s{color} | {color:green} branch-1 passed with JDK v1.8.0_172 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
24s{color} | {color:green} branch-1 passed with JDK v1.7.0_181 {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
32s{color} | {color:green} the patch passed with JDK v1.8.0_172 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
32s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} compile {color} | {color:red}  0m 
11s{color} | {color:red} hbase-client in the patch failed with JDK v1.7.0_181. 
{color} |
| {color:red}-1{color} | {color:red} javac {color} | {color:red}  0m 11s{color} 
| {color:red} hbase-client in the patch failed with JDK v1.7.0_181. {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
33s{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} shadedjars {color} | {color:green}  2m 
58s{color} | {color:green} patch has no errors when building our shaded 
downstream artifacts. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  1m  
6s{color} | {color:red} The patch causes 44 errors with Hadoop v2.4.1. {color} |
| {color:red}-1{color} | {color:red} hadoopcheck {color} | {color:red}  2m  
9s{color} | {color:red} The patch causes 44 errors with Hadoop v2.5.2. {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed with JDK v1.8.0_172 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
24s{color} | {color:green} the patch passed with JDK v1.7.0_181 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} unit {color} | {color:green}  2m 
32s{color} | {color:green} hbase-client in the patch passed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
 9s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 24m 11s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Docker | Client=17.05.0-ce Server=17.05.0-ce Image:yetus/hbase:36a7029 |
| JIRA Issue | HBASE-19798 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12923525/HBASE-19798.branch-1.001.patch
 |
| Optional Tests |  asflicense  javac  javadoc  unit  findbugs  shadedjars  
hadoopcheck  hbaseanti  checkstyle  compile  |
| uname | Linux 7ff0a53b74ed 3.13.0-139-generic #188-Ubuntu SMP Tue Jan 9 
14:43:09 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/home/jenkins/jenkins-slave/workspace/PreCommit-HBASE-Build@2/component/dev-support/hbase-personality.sh
 |
| git revision | branch-1 / 944a221 |
| maven | version: Apache Maven 3.0.5 |
| Default Java | 1.7.0_181 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-openjdk-amd64:1.8.0_172 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_181 |
| compile | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/artifact/patchprocess/branch-compile-hbase-client-jdk1.7.0_181.txt
 |
| compile | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/artifact/patchprocess/patch-compile-hbase-client-jdk1.7.0_181.txt
 |
| javac | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/artifact/patchprocess/patch-compile-hbase-client-jdk1.7.0_181.txt
 |
| hadoopcheck | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/artifact/patchprocess/patch-javac-2.4.1.txt
 |
| hadoopcheck | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/artifact/patchprocess/patch-javac-2.5.2.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/testReport/ |
| Max. process+thread count | 139 (vs. ulimit of 10000) |
| modules | C: hbase-client U: hbase-client |
| Console output | 
https://builds.apache.org/job/PreCommit-HBASE-Build/12829/console |
| Powered by | Apache Yetus 0.7.0   http://yetus.apache.org |


This message was automatically generated.



> Retry time should not be 0
> --------------------------
>
>                 Key: HBASE-19798
>                 URL: https://issues.apache.org/jira/browse/HBASE-19798
>             Project: HBase
>          Issue Type: Bug
>          Components: hbase
>    Affects Versions: 1.2.6
>         Environment: linux centos 6.5 
> jdk 1.8
>  
>  
>            Reporter: chenrongwei
>            Assignee: Xu Cang
>            Priority: Minor
>         Attachments: HBASE-19798.branch-1.001.patch
>
>
> hbase.client.retries.number  should not be set to zero.
> if set to zero  will cause ConnectionManager  report 
> NoServerForRegionException.
> source code detail in 1.2.6's ConnectionManager  like belows:
>       int localNumRetries = (retry ? numTries : 1); 
>       for (int tries = 0; true; tries++) {
>         if (tries >= localNumRetries)
> {           throw new NoServerForRegionException("Unable to find region for " 
>               + Bytes.toStringBinary(row) + " in " + tableName +              
>  " after " + localNumRetries + " tries.");         }
> actual exception info
> org.apache.hadoop.hbase.client.NoServerForRegionException: Unable to find 
> region for 196053079 in fin_tech:crawler_event after 0 tries.



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