Memory Leak during the indexing of large xml files
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                 Key: SOLR-857
                 URL: https://issues.apache.org/jira/browse/SOLR-857
             Project: Solr
          Issue Type: Bug
    Affects Versions: 1.3
         Environment: Verified on Ubuntu 8.0.4 (1.7GB RAM, 2.4GHz dual core) 
and Windows XP (2GB RAM, 2GHz pentium) both with a Java5 SDK
            Reporter: Ruben Jimenez


While indexing a set of SOLR xml files that contain 5000 document adds within 
them and are about 30MB each, SOLR 1.3 seems to continually use more and more 
memory until the heap is exhausted, while the same files are indexed without 
issue with SOLR 1.2.

Steps used to reproduce.

1 - Download SOLR 1.3
2 - Modify example schema.xml to match fields required
3 - start example server with following command java -Xms512m -Xmx1024m 
-XX:MaxPermSize=128m -jar start.jar
4 - Index files as follow java -Xmx128m -jar .../examples/exampledocs/post.jar 
*.xml

Directory with xml files contains about 100 xml files each of about 30MB each.  
While indexing after about the 25th file SOLR 1.3 runs out of memory, while 
SOLR 1.2 is able to index the entire set of files without any problems.

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