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https://issues.apache.org/jira/browse/HDFS-3482?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13289325#comment-13289325
]
Hadoop QA commented on HDFS-3482:
---------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12530931/HDFS-3482-1.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
+1 tests included. The patch appears to include 1 new or modified test
files.
+1 javac. The applied patch does not increase the total number of javac
compiler warnings.
+1 javadoc. The javadoc tool did not generate any warning messages.
+1 eclipse:eclipse. The patch built with eclipse:eclipse.
-1 findbugs. The patch appears to introduce 1 new Findbugs (version 1.3.9)
warnings.
+1 release audit. The applied patch does not increase the total number of
release audit warnings.
+1 core tests. The patch passed unit tests in
hadoop-hdfs-project/hadoop-hdfs.
+1 contrib tests. The patch passed contrib unit tests.
Test results:
https://builds.apache.org/job/PreCommit-HDFS-Build/2590//testReport/
Findbugs warnings:
https://builds.apache.org/job/PreCommit-HDFS-Build/2590//artifact/trunk/patchprocess/newPatchFindbugsWarningshadoop-hdfs.html
Console output: https://builds.apache.org/job/PreCommit-HDFS-Build/2590//console
This message is automatically generated.
> hdfs balancer throws ArrayIndexOutOfBoundsException if option is specified
> without arguments
> --------------------------------------------------------------------------------------------
>
> Key: HDFS-3482
> URL: https://issues.apache.org/jira/browse/HDFS-3482
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: balancer
> Affects Versions: 2.0.0-alpha
> Reporter: Stephen Chu
> Assignee: madhukara phatak
> Priority: Minor
> Labels: newbie
> Attachments: HDFS-3482-1.patch, HDFS-3482.patch
>
>
> When running the hdfs balancer with an option but no argument, we run into an
> ArrayIndexOutOfBoundsException. It's preferable to print the usage.
> {noformat}
> bash-3.2$ hdfs balancer -threshold
> Usage: java Balancer
> [-policy <policy>] the balancing policy: datanode or blockpool
> [-threshold <threshold>] Percentage of disk capacity
> Balancing took 261.0 milliseconds
> 12/05/31 09:38:46 ERROR balancer.Balancer: Exiting balancer due an exception
> java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.parse(Balancer.java:1505)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.run(Balancer.java:1482)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.main(Balancer.java:1555)
> bash-3.2$ hdfs balancer -policy
> Usage: java Balancer
> [-policy <policy>] the balancing policy: datanode or blockpool
> [-threshold <threshold>] Percentage of disk capacity
> Balancing took 261.0 milliseconds
> 12/05/31 09:39:03 ERROR balancer.Balancer: Exiting balancer due an exception
> java.lang.ArrayIndexOutOfBoundsException: 1
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.parse(Balancer.java:1520)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer$Cli.run(Balancer.java:1482)
> at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
> at
> org.apache.hadoop.hdfs.server.balancer.Balancer.main(Balancer.java:1555)
> {noformat}
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