Saleem Ansari created MAHOUT-1488:
-------------------------------------
Summary: DisplaySpectralKMeans fails:
examples/output/clusteredPoints/part-m-00000 does not exist.
Key: MAHOUT-1488
URL: https://issues.apache.org/jira/browse/MAHOUT-1488
Project: Mahout
Issue Type: Bug
Components: Examples
Affects Versions: 1.0
Reporter: Saleem Ansari
Running the DisplaySpectralKMeans class fails with following error, at the GUI
display step:
Exception in thread "AWT-EventQueue-0" java.lang.IllegalStateException:
output/clusteredPoints/part-m-00000
at
org.apache.mahout.common.iterator.sequencefile.SequenceFileIterable.iterator(SequenceFileIterable.java:63)
at
org.apache.mahout.clustering.display.DisplayClustering.plotClusteredSampleData(DisplayClustering.java:203)
at
org.apache.mahout.clustering.display.DisplaySpectralKMeans.paint(DisplaySpectralKMeans.java:86)
at sun.awt.RepaintArea.paintComponent(RepaintArea.java:264)
at sun.awt.X11.XRepaintArea.paintComponent(XRepaintArea.java:73)
at sun.awt.RepaintArea.paint(RepaintArea.java:240)
at sun.awt.X11.XComponentPeer.handleEvent(XComponentPeer.java:591)
at java.awt.Component.dispatchEventImpl(Component.java:4937)
at java.awt.Container.dispatchEventImpl(Container.java:2287)
at java.awt.Window.dispatchEventImpl(Window.java:2719)
at java.awt.Component.dispatchEvent(Component.java:4687)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:735)
at java.awt.EventQueue.access$200(EventQueue.java:103)
at java.awt.EventQueue$3.run(EventQueue.java:694)
at java.awt.EventQueue$3.run(EventQueue.java:692)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:87)
at java.awt.EventQueue$4.run(EventQueue.java:708)
at java.awt.EventQueue$4.run(EventQueue.java:706)
at java.security.AccessController.doPrivileged(Native Method)
at
java.security.ProtectionDomain$1.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:705)
at
java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:242)
at
java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:161)
at
java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:150)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:146)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:138)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:91)
Caused by: java.io.FileNotFoundException: File
file:/home/saleem/work/learn/external/mahout/examples/output/clusteredPoints/part-m-00000
does not exist.
at
org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:402)
at
org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:255)
at org.apache.hadoop.fs.FileSystem.getLength(FileSystem.java:816)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1479)
at
org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1474)
at
org.apache.mahout.common.iterator.sequencefile.SequenceFileIterator.<init>(SequenceFileIterator.java:63)
at
org.apache.mahout.common.iterator.sequencefile.SequenceFileIterable.iterator(SequenceFileIterable.java:61)
... 28 more
This is because SpectralKMeansDriver writes clustered points to
output/kmeans_out/clusteredPoints/part-m-00000
But DisplaySpectralKMeans is looking at:
output/clusteredPoints/part-m-00000
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