Review #238755: Unexpected Exception Java.lang.OutOfMemoryError: Java Heap Space

Please review the bug fix for
https://netbeans.org/bugzilla/show_bug.cgi?id=238755


Description: OOM when index does not fit into memory.
Not loading big indexes to RAMDirectory using them form FSDirectory.

Impact: OOM

Risk: Low, trivial change.
http://hg.netbeans.org/main-silver/rev/8fac5140e99e


Thanks,
Tomas