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https://issues.apache.org/jira/browse/AMBARI-17550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15361319#comment-15361319
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Hadoop QA commented on AMBARI-17550:
------------------------------------
{color:green}+1 overall{color}. Here are the results of testing the latest
attachment
http://issues.apache.org/jira/secure/attachment/12816043/AMBARI-17550.patch
against trunk revision .
{color:green}+1 @author{color}. The patch does not contain any @author
tags.
{color:green}+1 tests included{color}. The patch appears to include 3 new
or modified test files.
{color:green}+1 javac{color}. The applied patch does not increase the
total number of javac compiler warnings.
{color:green}+1 release audit{color}. The applied patch does not increase
the total number of release audit warnings.
{color:green}+1 core tests{color}. The patch passed unit tests in
ambari-server.
Test results:
https://builds.apache.org/job/Ambari-trunk-test-patch/7675//testReport/
Console output:
https://builds.apache.org/job/Ambari-trunk-test-patch/7675//console
This message is automatically generated.
> While changing NN, DN directories from UI, proper warning should be present
> for invalid values
> ----------------------------------------------------------------------------------------------
>
> Key: AMBARI-17550
> URL: https://issues.apache.org/jira/browse/AMBARI-17550
> Project: Ambari
> Issue Type: Bug
> Reporter: Andrew Onischuk
> Assignee: Andrew Onischuk
> Fix For: 2.4.0
>
> Attachments: AMBARI-17550.patch
>
>
> While changing NN and DN directories from ambari, for example:
> changing dn directories from **/grid/0/hadoop/hdfs/data** to **/grid/0/hadoop/
> hdfs/data,/grid/0/hadoop/hdfs/data1,/grid/0/hadoop/hdfs/data2**
> The values are changed without being validated
> This leads to datanodes start failing
>
>
>
> Traceback (most recent call last):
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/datanode.py",
> line 174, in <module>
> DataNode().execute()
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 280, in execute
> method(env)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/script/script.py",
> line 709, in restart
> self.start(env, upgrade_type=upgrade_type)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/datanode.py",
> line 60, in start
> self.configure(env)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/datanode.py",
> line 55, in configure
> datanode(action="configure")
> File
> "/usr/lib/python2.6/site-packages/ambari_commons/os_family_impl.py", line 89,
> in thunk
> return fn(*args, **kwargs)
> File
> "/var/lib/ambari-agent/cache/common-services/HDFS/2.1.0.2.0/package/scripts/hdfs_datanode.py",
> line 53, in datanode
> data_dir_to_mount_file_content = handle_mounted_dirs(create_dirs,
> params.dfs_data_dirs, params.data_dir_mount_file, params)
> File
> "/usr/lib/python2.6/site-packages/resource_management/libraries/functions/mounted_dirs_helper.py",
> line 158, in handle_mounted_dirs
> raise Fail(message + " . Please turn off
> cluster-env/one_dir_per_partition or handle the situation manually.")
> resource_management.core.exceptions.Fail: Trying to create another
> directory on the following mount: /grid/0 . Please turn off
> cluster-env/one_dir_per_partition or handle the situation manually.
>
> The test fails because it set invalid value, and the directory was not
> created
> A warning message informing why the new directory name is invalid could be
> useful
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