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From "Saleem Ansari (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAHOUT-1488) DisplaySpectralKMeans fails: examples/output/clusteredPoints/part-m-00000 does not exist.
Date Wed, 26 Mar 2014 08:10:14 GMT

     [ https://issues.apache.org/jira/browse/MAHOUT-1488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Saleem Ansari updated MAHOUT-1488:
----------------------------------

    Status: Patch Available  (was: Open)

diff --git a/examples/src/main/java/org/apache/mahout/clustering/display/DisplaySpectralKMeans.java
b/examples/src/main/java/org/apache/mahout/clustering/display/DisplaySpectralKMeans.java
index 226ac9d..00e654e 100644
--- a/examples/src/main/java/org/apache/mahout/clustering/display/DisplaySpectralKMeans.java
+++ b/examples/src/main/java/org/apache/mahout/clustering/display/DisplaySpectralKMeans.java
@@ -83,6 +83,6 @@ public class DisplaySpectralKMeans extends DisplayClustering {
 
   @Override
   public void paint(Graphics g) {
-    plotClusteredSampleData((Graphics2D) g, new Path(OUTPUT));
+    plotClusteredSampleData((Graphics2D) g, new Path(new Path(OUTPUT), "kmeans_out"));
   }
 }


> 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
>              Labels: patch
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> 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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