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https://issues.apache.org/jira/browse/HDFS-14726?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16911782#comment-16911782
 ] 

Hadoop QA commented on HDFS-14726:
----------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  9m 
26s{color} | {color:blue} Docker mode activated. {color} |
|| || || || {color:brown} Prechecks {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-2 Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green} 12m 
36s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
48s{color} | {color:green} branch-2 passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
43s{color} | {color:green} branch-2 passed with JDK v1.8.0_222 {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
28s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} mvnsite {color} | {color:green}  0m 
52s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
52s{color} | {color:green} branch-2 passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
4s{color} | {color:green} branch-2 passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
41s{color} | {color:green} branch-2 passed with JDK v1.8.0_222 {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  0m 
47s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
45s{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  0m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
45s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  0m 
43s{color} | {color:green} the patch passed with JDK v1.8.0_222 {color} |
| {color:green}+1{color} | {color:green} cc {color} | {color:green}  0m 
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  0m 
43s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
23s{color} | {color:green} the patch passed {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} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  1m 
54s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  1m  
0s{color} | {color:green} the patch passed with JDK v1.7.0_95 {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
38s{color} | {color:green} the patch passed with JDK v1.8.0_222 {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:red}-1{color} | {color:red} unit {color} | {color:red} 60m  8s{color} 
| {color:red} hadoop-hdfs in the patch failed. {color} |
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
25s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 98m  8s{color} | 
{color:black} {color} |
\\
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|| Reason || Tests ||
| Failed junit tests | 
hadoop.hdfs.qjournal.server.TestJournalNodeRespectsBindHostKeys |
|   | hadoop.hdfs.web.TestWebHdfsTimeouts |
|   | hadoop.hdfs.server.datanode.TestDirectoryScanner |
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|| Subsystem || Report/Notes ||
| Docker | Client=19.03.1 Server=19.03.1 Image:yetus/hadoop:da67579 |
| JIRA Issue | HDFS-14726 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12978108/HDFS-14726-branch-2.002.patch
 |
| Optional Tests |  dupname  asflicense  compile  javac  javadoc  mvninstall  
mvnsite  unit  shadedclient  findbugs  checkstyle  cc  |
| uname | Linux dc3d55c3c3da 4.4.0-138-generic #164-Ubuntu SMP Tue Oct 2 
17:16:02 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux |
| Build tool | maven |
| Personality | /testptch/patchprocess/precommit/personality/provided.sh |
| git revision | branch-2 / bdab03c |
| maven | version: Apache Maven 3.3.9 |
| Default Java | 1.8.0_222 |
| Multi-JDK versions |  /usr/lib/jvm/java-7-openjdk-amd64:1.7.0_95 
/usr/lib/jvm/java-8-openjdk-amd64:1.8.0_222 |
| findbugs | v3.0.0 |
| unit | 
https://builds.apache.org/job/PreCommit-HDFS-Build/27589/artifact/out/patch-unit-hadoop-hdfs-project_hadoop-hdfs.txt
 |
|  Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/27589/testReport/ |
| Max. process+thread count | 2715 (vs. ulimit of 10000) |
| modules | C: hadoop-hdfs-project/hadoop-hdfs U: 
hadoop-hdfs-project/hadoop-hdfs |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/27589/console |
| Powered by | Apache Yetus 0.8.0   http://yetus.apache.org |


This message was automatically generated.



> Fix JN incompatibility issue in branch-2 due to backport of HDFS-10519
> ----------------------------------------------------------------------
>
>                 Key: HDFS-14726
>                 URL: https://issues.apache.org/jira/browse/HDFS-14726
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: journal-node
>    Affects Versions: 2.10.0
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>            Priority: Blocker
>         Attachments: HDFS-14726-branch-2.001.patch, 
> HDFS-14726-branch-2.002.patch
>
>
> HDFS-10519 has been backported to branch-2. However HDFS-10519 introduced an 
> incompatibility issue between NN and JN due to the new protobuf field 
> {{committedTxnId}} in {{HdfsServer.proto}}. This field was introduced as a 
> required field so if JN and NN are not on same version, it will run into 
> missing field exception. Although currently we can get around by making sure 
> JN always gets upgraded properly before NN, we can potentially fix this 
> incompatibility by changing the field to optional. 



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