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From Mark Slater <m...@analogsoftware.com>
Subject Strange non-failure error during unit testing
Date Sat, 25 Mar 2006 10:31:04 GMT
I'm not sure if this matters (as in, for all I know, its a hiccup in  
the JVM and nothing to do with Jackrabbit at all), but I just got a  
very strange error in the test phase of the build process:

     [junit] Tests run: 6, Failures: 0, Errors: 0, Time elapsed:  
0.359 sec
     [junit] Running org.apache.jackrabbit.test.api.lock.TestAll
     [junit] Tests run: 23, Failures: 0, Errors: 0, Time elapsed:  
6.813 sec
     [junit] Exception in thread "Thread-4"  
java.util.NoSuchElementException
     [junit]     at  
org.apache.commons.collections.map.AbstractReferenceMap 
$ReferenceEntrySetIterator.nextEntry(AbstractReferenceMap.java:772)
     [junit]     at  
org.apache.commons.collections.map.AbstractReferenceMap 
$ReferenceValuesIterator.next(AbstractReferenceMap.java:829)
     [junit]     at org.apache.jackrabbit.core.RepositoryImpl.shutdown 
(RepositoryImpl.java:858)
     [junit]     at  
org.apache.jackrabbit.core.jndi.BindableRepository.shutdown 
(BindableRepository.java:257)
     [junit]     at org.apache.jackrabbit.core.jndi.BindableRepository 
$1.run(BindableRepository.java:133)
     [junit] Running org.apache.jackrabbit.test.api.nodetype.TestAll
     [junit] Tests run: 99, Failures: 0, Errors: 0, Time elapsed:  
24.768 sec
     [junit] Running org.apache.jackrabbit.test.api.observation.TestAll
     [junit] Tests run: 40, Failures: 0, Errors: 0, Time elapsed:  
10.539 sec

There were no errors that I could find before this, or after it, and  
no mention was made of it in any JUnit output files or log files that  
I could find. At the end, maven reported a successful build.

I'm not particularly worried about it... a build I did just a few  
minutes before had no errors. The only thing that changed between the  
two was the removal of some logging statements in  
CustomNodeTypeConfig (I was trying to track down a null input stream  
exception).

On one hand I thought about dismissing this out of hand since it  
doesn't seem to be reproducible (I tried a few times), but on the  
other, some of the nastiest bugs I've ever had to track down were  
sporadic and only showed up once in a very long while.

Mark

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