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https://issues.apache.org/jira/browse/HDFS-9748?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15131091#comment-15131091
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Hadoop QA commented on HDFS-9748:
---------------------------------

| (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 0s 
{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:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 8s 
{color} | {color:blue} Maven dependency ordering for branch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 6m 
28s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 38s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 40s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green} 0m 
20s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 50s 
{color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} mvneclipse {color} | {color:green} 0m 
13s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green} 1m 
54s {color} | {color:green} trunk passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 5s 
{color} | {color:green} trunk passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 46s 
{color} | {color:green} trunk passed with JDK v1.7.0_91 {color} |
| {color:blue}0{color} | {color:blue} mvndep {color} | {color:blue} 0m 8s 
{color} | {color:blue} Maven dependency ordering for patch {color} |
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 0m 
45s {color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 37s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 37s 
{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green} 0m 39s 
{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red} 0m 18s 
{color} | {color:red} hadoop-hdfs-project/hadoop-hdfs: patch generated 1 new + 
7 unchanged - 0 fixed = 8 total (was 7) {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green} 0m 48s 
{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 2s 
{color} | {color:green} the patch passed with JDK v1.8.0_66 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green} 1m 44s 
{color} | {color:green} the patch passed with JDK v1.7.0_91 {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 53m 17s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.8.0_66. {color} |
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 51m 11s {color} 
| {color:red} hadoop-hdfs in the patch failed with JDK v1.7.0_91. {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} 129m 16s {color} 
| {color:black} {color} |
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|| Reason || Tests ||
| JDK v1.8.0_66 Failed junit tests | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.TestDFSUpgradeFromImage |
|   | hadoop.hdfs.TestDatanodeStartupFixesLegacyStorageIDs |
|   | hadoop.hdfs.server.datanode.TestBlockScanner |
|   | hadoop.hdfs.server.datanode.TestDataNodeMetrics |
| JDK v1.7.0_91 Failed junit tests | hadoop.hdfs.TestFileAppend |
|   | hadoop.hdfs.TestDatanodeStartupFixesLegacyStorageIDs |
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|| Subsystem || Report/Notes ||
| Docker |  Image:yetus/hadoop:0ca8df7 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12786014/HDFS-9748.01.patch |
| JIRA Issue | HDFS-9748 |
| Optional Tests |  asflicense  compile  javac  javadoc  mvninstall  mvnsite  
unit  findbugs  checkstyle  |
| uname | Linux ed1626e47656 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 / fa328e2 |
| Default Java | 1.7.0_91 |
| Multi-JDK versions |  /usr/lib/jvm/java-8-oracle:1.8.0_66 
/usr/lib/jvm/java-7-openjdk-amd64:1.7.0_91 |
| findbugs | v3.0.0 |
| checkstyle | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/artifact/patchprocess/diff-checkstyle-hadoop-hdfs-project_hadoop-hdfs.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
 |
| unit test logs |  
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.8.0_66.txt
 
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/artifact/patchprocess/patch-unit-hadoop-hdfs-project_hadoop-hdfs-jdk1.7.0_91.txt
 |
| JDK v1.7.0_91  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/testReport/ |
| modules | C:  hadoop-hdfs-project/hadoop-hdfs  U: 
hadoop-hdfs-project/hadoop-hdfs |
| Max memory used | 77MB |
| Powered by | Apache Yetus 0.2.0-SNAPSHOT   http://yetus.apache.org |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/14370/console |


This message was automatically generated.



> When addExpectedReplicasToPending is called twice, pendingReplications should 
> avoid duplication
> -----------------------------------------------------------------------------------------------
>
>                 Key: HDFS-9748
>                 URL: https://issues.apache.org/jira/browse/HDFS-9748
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 2.8.0
>            Reporter: Walter Su
>            Assignee: Walter Su
>            Priority: Minor
>         Attachments: HDFS-9748.01.patch
>
>
> 1. When completeFile() is called, addExpectedReplicasToPending() will be 
> called (HDFS-8999).
> 2. When first replica is reported, addExpectedReplicasToPending() will be 
> called the second time.
> {code}
> //BlockManager.addStoredBlock(..)
>     if(storedBlock.getBlockUCState() == BlockUCState.COMMITTED &&
>         hasMinStorage(storedBlock, numLiveReplicas)) {
>       addExpectedReplicasToPending(storedBlock, bc);
>       completeBlock(storedBlock, false);
>     } else if (storedBlock.isComplete() && result == AddBlockResult.ADDED) {
> {code}
> But,
> {code}
> //PendingReplicationBlocks.java
>     void incrementReplicas(DatanodeDescriptor... newTargets) {
>       if (newTargets != null) {
>         Collections.addAll(targets, newTargets);
>       }
>     }
> {code}
> targets is ArrayList, the above code simply add all {{newTargets}} to 
> {{targets}}.



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