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https://issues.apache.org/jira/browse/MAHOUT-814?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13113130#comment-13113130
]
Hudson commented on MAHOUT-814:
-------------------------------
Integrated in Mahout-Quality #1057 (See
[https://builds.apache.org/job/Mahout-Quality/1057/])
MAHOUT-814 (patch rev.1)
dlyubimov :
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1174452
Files :
*
/mahout/trunk/core/src/main/java/org/apache/mahout/math/hadoop/stochasticsvd/qr/QRFirstStep.java
*
/mahout/trunk/core/src/test/java/org/apache/mahout/math/hadoop/stochasticsvd/LocalSSVDSolverDenseTest.java
> SSVD local tests should use their own tmp space to avoid collisions
> -------------------------------------------------------------------
>
> Key: MAHOUT-814
> URL: https://issues.apache.org/jira/browse/MAHOUT-814
> Project: Mahout
> Issue Type: Bug
> Affects Versions: 0.5
> Reporter: Grant Ingersoll
> Assignee: Dmitriy Lyubimov
> Priority: Minor
> Fix For: 0.6
>
> Attachments: MAHOUT-814-1.patch, MAHOUT-814.patch
>
>
> Running Mahout in an environment with Jenkins also running and am getting:
> {quote}
> java.io.FileNotFoundException: /tmp/q-temp.seq (Permission denied)
> at java.io.FileOutputStream.open(Native Method)
> at java.io.FileOutputStream.<init>(FileOutputStream.java:209)
> at
> org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:187)
> at
> org.apache.hadoop.fs.RawLocalFileSystem$LocalFSFileOutputStream.<init>(RawLocalFileSystem.java:183)
> at
> org.apache.hadoop.fs.RawLocalFileSystem.create(RawLocalFileSystem.java:241)
> at
> org.apache.hadoop.fs.ChecksumFileSystem$ChecksumFSOutputSummer.<init>(ChecksumFileSystem.java:335)
> at
> org.apache.hadoop.fs.ChecksumFileSystem.create(ChecksumFileSystem.java:368)
> at org.apache.hadoop.fs.FileSystem.create(FileSystem.java:528)
> at
> org.apache.hadoop.io.SequenceFile$BlockCompressWriter.<init>(SequenceFile.java:1198)
> at
> org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:401)
> at
> org.apache.hadoop.io.SequenceFile.createWriter(SequenceFile.java:284)
> at
> org.apache.mahout.math.hadoop.stochasticsvd.qr.QRFirstStep.getTempQw(QRFirstStep.java:263)
> at
> org.apache.mahout.math.hadoop.stochasticsvd.qr.QRFirstStep.flushSolver(QRFirstStep.java:104)
> at
> org.apache.mahout.math.hadoop.stochasticsvd.qr.QRFirstStep.map(QRFirstStep.java:175)
> at
> org.apache.mahout.math.hadoop.stochasticsvd.qr.QRFirstStep.collect(QRFirstStep.java:279)
> at
> org.apache.mahout.math.hadoop.stochasticsvd.QJob$QMapper.map(QJob.java:142)
> at
> org.apache.mahout.math.hadoop.stochasticsvd.QJob$QMapper.map(QJob.java:71)
> at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)
> at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:764)
> at org.apache.hadoop.mapred.MapTask.run(MapTask.java:370)
> at
> org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:212)
> {quote}
> Also seeing the following tests fail:
> {quote}
> Tests in error:
>
> testSSVDSolverSparse(org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverSparseSequentialTest):
> Q job unsuccessful.
>
> testSSVDSolverPowerIterations1(org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverSparseSequentialTest):
> Q job unsuccessful.
>
> testSSVDSolverPowerIterations1(org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverDenseTest):
> Q job unsuccessful.
>
> testSSVDSolverDense(org.apache.mahout.math.hadoop.stochasticsvd.LocalSSVDSolverDenseTest):
> Q job unsuccessful.
> {quote}
> I haven't checked all of them, but I suspect they are all due to the same
> reason. We should dynamically create a temp area for each test using
> temporary directories under the main temp dir.
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