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From Charles Kim <charl...@yahoo-inc.com>
Subject NullPointerException when Updating artifact index?
Date Wed, 31 Oct 2012 16:35:56 GMT
Any one has an idea why I'm getting this? It doesn't look like I'm getting this consistently
but often enough to be concerned about.
I don't have much experience on how indexing works in Archiva. Any pointers to debug this
would be appreciated. 
Thanks.


2012-10-31 00:38:11,811 DEBUG [org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor]
Index file packaged at '/home/y/var/yarchiva/data/repositories/public/.indexer'.
2012-10-31 00:38:11,811 DEBUG [org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor]
Creating indexing context on resource: /home/y/var/yarchiva/data/repositories/public/org/apache/ant/
ant-launcher/1.8.1/ant-launcher-1.8.1.jar
2012-10-31 00:38:11,811 DEBUG [org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor]
Updating artifact 'org.apache.ant:ant-launcher:1.8.1:null:null' in index..
2012-10-31 00:38:11,927 ERROR [org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor]
Error executing task
java.util.concurrent.ExecutionException: java.lang.NullPointerException
        at java.util.concurrent.FutureTask$Sync.innerGet(FutureTask.java:252)
        at java.util.concurrent.FutureTask.get(FutureTask.java:111)
        at org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable.waitForTask(ThreadedTaskQueueExecutor.java:167)
        at org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable.run(ThreadedTaskQueueExecutor.java:135)
Caused by: java.lang.NullPointerException
        at org.apache.lucene.index.SegmentTermDocs.<init>(SegmentTermDocs.java:52)
        at org.apache.lucene.index.SegmentReader.termDocs(SegmentReader.java:963)
        at org.apache.lucene.index.IndexReader.termDocs(IndexReader.java:813)
        at org.apache.lucene.index.SegmentReader.termDocs(SegmentReader.java:956)
        at org.apache.lucene.search.TermQuery$TermWeight.scorer(TermQuery.java:74)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:210)
        at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:170)
        at org.apache.lucene.search.Searcher.search(Searcher.java:98)
        at org.apache.lucene.search.Searcher.search(Searcher.java:108)
        at org.apache.maven.index.DefaultIndexerEngine.getOldDocument(DefaultIndexerEngine.java:158)
        at org.apache.maven.index.DefaultIndexerEngine.update(DefaultIndexerEngine.java:77)
        at org.apache.maven.index.DefaultNexusIndexer.addArtifactToIndex(DefaultNexusIndexer.java:371)
        at org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor.executeTask(ArchivaIndexingTaskExecutor.java:180)
        at org.codehaus.plexus.taskqueue.execution.ThreadedTaskQueueExecutor$ExecutorRunnable$1.run(ThreadedTaskQueueExecutor.java:124)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:722)
2012-10-31 00:38:11,928 DEBUG [org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor]
Creating indexing context on resource: /home/y/var/yarchiva/data/repositories/public/org/mortbay/jetty/jetty/6.1.25/jetty-6.1.25.pom
2012-10-31 00:38:11,929 DEBUG [org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor]
Adding artifact 'org.mortbay.jetty:jetty:6.1.25:null:null' to index..
2012-10-31 00:38:12,011 DEBUG [org.apache.archiva.scheduler.indexing.ArchivaIndexingTaskExecutor]
Finishing indexing task on resource file : /home/y/var/yarchiva/data/repositories/public/org/mortbay/jetty/jetty/6.1.25/jetty-6.1.25.pom

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