Shannon Quinn created MAHOUT-1662:
-------------------------------------
Summary: Potential Path bug in SequenceFileVaultIterator breaks
DisplaySpectralKMeans
Key: MAHOUT-1662
URL: https://issues.apache.org/jira/browse/MAHOUT-1662
Project: Mahout
Issue Type: Bug
Components: Examples, mrlegacy
Affects Versions: 0.9
Reporter: Shannon Quinn
Assignee: Shannon Quinn
Fix For: 0.10.0
Received the following error when attempting to run DisplaySpectralKMeans:
Exception in thread "main" java.lang.IllegalArgumentException: Wrong FS:
file://tmp/calculations/diagonal/part-r-00000/tmp/calculations/diagonal/part-r-00000,
expected: file:///
at org.apache.hadoop.fs.FileSystem.checkPath(FileSystem.java:645)
at
org.apache.hadoop.fs.RawLocalFileSystem.pathToFile(RawLocalFileSystem.java:80)
at
org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:529)
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:747)
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:524)
at
org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:409)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1750)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1774)
at
org.apache.mahout.common.iterator.sequencefile.SequenceFileValueIterator.<init>(SequenceFileValueIterator.java:56)
at
org.apache.mahout.clustering.spectral.VectorCache.load(VectorCache.java:115)
at
org.apache.mahout.clustering.spectral.MatrixDiagonalizeJob.runJob(MatrixDiagonalizeJob.java:77)
at
org.apache.mahout.clustering.spectral.kmeans.SpectralKMeansDriver.run(SpectralKMeansDriver.java:170)
at
org.apache.mahout.clustering.spectral.kmeans.SpectralKMeansDriver.run(SpectralKMeansDriver.java:117)
at
org.apache.mahout.clustering.display.DisplaySpectralKMeans.main(DisplaySpectralKMeans.java:76)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)
Tracked the origin of the bug to line 54 of SequenceFileVaultIterator. PR which
contains a fix is available; I would ask for independent verification before
merging it with master.
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