[ 
https://issues.apache.org/jira/browse/HDFS-8582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14584789#comment-14584789
 ] 

Hadoop QA commented on HDFS-8582:
---------------------------------

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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | pre-patch |  19m 16s | Pre-patch trunk compilation is 
healthy. |
| {color:green}+1{color} | @author |   0m  0s | The patch does not contain any 
@author tags. |
| {color:green}+1{color} | tests included |   0m  0s | The patch appears to 
include 1 new or modified test files. |
| {color:red}-1{color} | javac |   7m 28s | The applied patch generated  1  
additional warning messages. |
| {color:green}+1{color} | javadoc |   9m 36s | There were no new javadoc 
warning messages. |
| {color:green}+1{color} | release audit |   0m 22s | The applied patch does 
not increase the total number of release audit warnings. |
| {color:red}-1{color} | checkstyle |   3m 19s | The applied patch generated  
10 new checkstyle issues (total was 392, now 397). |
| {color:green}+1{color} | whitespace |   0m  1s | The patch has no lines that 
end in whitespace. |
| {color:green}+1{color} | install |   1m 35s | mvn install still works. |
| {color:green}+1{color} | eclipse:eclipse |   0m 32s | The patch built with 
eclipse:eclipse. |
| {color:green}+1{color} | findbugs |   5m  9s | The patch does not introduce 
any new Findbugs (version 3.0.0) warnings. |
| {color:red}-1{color} | common tests |  22m  2s | Tests failed in 
hadoop-common. |
| {color:red}-1{color} | hdfs tests | 161m 45s | Tests failed in hadoop-hdfs. |
| | | 231m  8s | |
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|| Reason || Tests ||
| Failed unit tests | hadoop.conf.TestReconfiguration |
|   | hadoop.hdfs.tools.TestDFSAdmin |
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|| Subsystem || Report/Notes ||
| Patch URL | 
http://issues.apache.org/jira/secure/attachment/12739425/HDFS-8582.001.patch |
| Optional Tests | javadoc javac unit findbugs checkstyle |
| git revision | trunk / eef7b50 |
| javac | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11339/artifact/patchprocess/diffJavacWarnings.txt
 |
| checkstyle |  
https://builds.apache.org/job/PreCommit-HDFS-Build/11339/artifact/patchprocess/diffcheckstylehadoop-hdfs.txt
 |
| hadoop-common test log | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11339/artifact/patchprocess/testrun_hadoop-common.txt
 |
| hadoop-hdfs test log | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11339/artifact/patchprocess/testrun_hadoop-hdfs.txt
 |
| Test Results | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11339/testReport/ |
| Java | 1.7.0_55 |
| uname | Linux asf909.gq1.ygridcore.net 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 |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/11339/console |


This message was automatically generated.

> Reduce failure messages when running datanode reconfiguration
> -------------------------------------------------------------
>
>                 Key: HDFS-8582
>                 URL: https://issues.apache.org/jira/browse/HDFS-8582
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: HDFS
>    Affects Versions: 2.7.0
>            Reporter: Lei (Eddy) Xu
>            Assignee: Lei (Eddy) Xu
>            Priority: Minor
>         Attachments: HDFS-8582.000.patch, HDFS-8582.001.patch
>
>
> When running a DN reconfig to hotswap some drives, it spits out this output:
> {noformat}
> $ hdfs dfsadmin -reconfig datanode localhost:9023 status
> 15/06/09 14:58:10 WARN util.NativeCodeLoader: Unable to load native-hadoop 
> library for your platform... using builtin-java classes where applicable
> Reconfiguring status for DataNode[localhost:9023]: started at Tue Jun 09 
> 14:57:37 PDT 2015 and finished at Tue Jun 09 14:57:56 PDT 2015.
> FAILED: Change property 
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolPB
>         From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
>         To: ""
>         Error: Property 
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.ClientDatanodeProtocolPB is not 
> reconfigurable.
> FAILED: Change property mapreduce.client.genericoptionsparser.used
>         From: "true"
>         To: ""
>         Error: Property mapreduce.client.genericoptionsparser.used is not 
> reconfigurable.
> FAILED: Change property rpc.engine.org.apache.hadoop.ipc.ProtocolMetaInfoPB
>         From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
>         To: ""
>         Error: Property rpc.engine.org.apache.hadoop.ipc.ProtocolMetaInfoPB 
> is not reconfigurable.
> SUCCESS: Change property dfs.datanode.data.dir
>         From: "file:///data/1/user/dfs"
>         To: "file:///data/1/user/dfs,file:///data/2/user/dfs"
> FAILED: Change property dfs.datanode.startup
>         From: "REGULAR"
>         To: ""
>         Error: Property dfs.datanode.startup is not reconfigurable.
> FAILED: Change property 
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.InterDatanodeProtocolPB
>         From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
>         To: ""
>         Error: Property 
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.InterDatanodeProtocolPB is not 
> reconfigurable.
> FAILED: Change property 
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolPB
>         From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
>         To: ""
>         Error: Property 
> rpc.engine.org.apache.hadoop.hdfs.protocolPB.DatanodeProtocolPB is not 
> reconfigurable.
> FAILED: Change property 
> rpc.engine.org.apache.hadoop.tracing.TraceAdminProtocolPB
>         From: "org.apache.hadoop.ipc.ProtobufRpcEngine"
>         To: ""
>         Error: Property 
> rpc.engine.org.apache.hadoop.tracing.TraceAdminProtocolPB is not 
> reconfigurable.
> {noformat}
> These failed messages are spurious and should not be shown.



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