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cant open lucene index java heap space

cant open lucene index java heap space  using -'lucene,solr,out-of-memory,luke'

I want to grab some data from lucene index file. But I can't read it.

I try to use Luke, but it always crashes with java.lang.OutOfMemoryError: Java heap space. Note -Xmx can't help me. I try -Xmx512, -Xmx1024 and even -Xmx2048.

I try to use Solr also, but gets java.lang.OutOfMemoryError: Java heap space too.

Any ideas how I can extract some data from Lucene?

P. S. I use lucene 2.3.0. My index file is 1.8 Gb size.

asked Oct 11, 2015 by kotmus2002
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