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From Chris Hostetter <hossman_luc...@fucit.org>
Subject Re: ConcurrentLRUCache$Stats error
Date Wed, 20 Apr 2011 20:09:16 GMT

: https://issues.apache.org/jira/browse/SOLR-1797

that issue doesn't seem to have anything to do with the stack trace 
reported...

: > SEVERE: java.util.concurrent.ExecutionException:
: > java.lang.NoSuchMethodError:
: > org.apache.solr.common.util.ConcurrentLRUCache$Stats.add(Lorg/apache/solr/c
: > ommon/util/ConcurrentLRUCache$Stats;)V

NoSuchMethodError means that one compiled java class expects another 
compiled java class to have a method that it does not actually have -- 
this typically happens when you have inconcsisten classfiles (or jars) in 
your classpath.

ie: you most likely have a mix of jars from two different versions of 
solr/lucene.

-Hoss

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