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----- Original Message ----- From: "Sithu D. Sudarsan" <sithu.sudar...@fda.hhs.gov> To: java-user@lucene.apache.org Sent: Thursday, May 21, 2009 7:42:59 AM GMT -08:00 US/Canada Pacific Subject: Parsing large xml files Hi, While trying to parse xml documents of about 50MB size, we run into OutOfMemoryError due to java heap space. Increasing JVM to use close 2GB (that is the max), does not help. Is there any API that could be used to handle such large single xml files? If Lucene is not the right place, please let me know alternate places to look for, Thanks in advance, Sithu D Sudarsan sithu.sudar...@fda.hhs.gov sdsudar...@ualr.edu