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Posted to common-issues@hadoop.apache.org by "Lei (Eddy) Xu (JIRA)" <ji...@apache.org> on 2015/07/01 01:27:04 UTC
[jira] [Updated] (HADOOP-12164) Fix TestMove and
TestFsShellReturnCode failed to get command name using reflection.
[ https://issues.apache.org/jira/browse/HADOOP-12164?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Lei (Eddy) Xu updated HADOOP-12164:
-----------------------------------
Attachment: HADOOP-12164.000.patch
Uploaded the patch, which added {{static String NAME}} fields to testing commands.
> Fix TestMove and TestFsShellReturnCode failed to get command name using reflection.
> -----------------------------------------------------------------------------------
>
> Key: HADOOP-12164
> URL: https://issues.apache.org/jira/browse/HADOOP-12164
> Project: Hadoop Common
> Issue Type: Bug
> Affects Versions: 2.7.0
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Priority: Minor
> Attachments: HADOOP-12164.000.patch
>
>
> When enabled {{hadoop.shell.missing.defaultFs.warning}}, a few tests were failed as following:
> {noformat}
> java.lang.RuntimeException: failed to get .NAME
> at java.lang.Class.getDeclaredField(Class.java:1948)
> at org.apache.hadoop.fs.shell.Command.getCommandField(Command.java:458)
> at org.apache.hadoop.fs.shell.Command.getName(Command.java:401)
> at org.apache.hadoop.fs.shell.FsCommand.getCommandName(FsCommand.java:80)
> at org.apache.hadoop.fs.shell.FsCommand.processRawArguments(FsCommand.java:111)
> at org.apache.hadoop.fs.shell.Command.run(Command.java:154)
> at org.apache.hadoop.fs.TestFsShellReturnCode.testChgrpGroupValidity(TestFsShellReturnCode.java:434)
> {noformat}
> The reason is that, in {{FsCommand#processRawArguments}}, it uses {{getCommandName()}}, which uses reflection to find {{static String NAME}} field, to build error message. But in the tests, the commands are built without {{static String NAME}} field, since it is not inherited.
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