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https://issues.apache.org/jira/browse/HADOOP-5997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12717650#action_12717650
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Ramya R commented on HADOOP-5997:
---------------------------------
testmapredsort tries to create /tmp. TestDFSIO - /benchmarks/TestDFSIO. nnbench
- /benchmarks/NNBench
Below is the exception thrown by the above test jobs:
{noformat}
java.io.IOException: org.apache.hadoop.security.AccessControlException:
Permission denied: user=Y, access=WRITE, inode="":X:X:rwxr-xr-x
at org.apache.hadoop.fs.TestDFSIO.createControlFile(TestDFSIO.java:126)
at org.apache.hadoop.fs.TestDFSIO.main(TestDFSIO.java:351)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at
org.apache.hadoop.util.ProgramDriver$ProgramDescription.invoke(ProgramDriver.java:68)
at org.apache.hadoop.util.ProgramDriver.driver(ProgramDriver.java:139)
at org.apache.hadoop.test.AllTestDriver.main(AllTestDriver.java:81)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.hadoop.util.RunJar.main(RunJar.java:156)
{noformat}
> Many test jobs write to HDFS under /
> ------------------------------------
>
> Key: HADOOP-5997
> URL: https://issues.apache.org/jira/browse/HADOOP-5997
> Project: Hadoop Core
> Issue Type: Bug
> Components: test
> Affects Versions: 0.20.0
> Reporter: Ramya R
> Fix For: 0.20.1
>
>
> Many test jobs such as testmapredsort, TestDFSIO and nnbench try to write to
> HDFS under root.
> If a user 'X' brings up the cluster and gives full access to user 'Y' under
> /user/Y, user Y's test jobs still will not run because they demand access to
> / which cannot be granted. Such jobs should be modified to write their temp
> outputs under /user/Y and not directly under /
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