JVM crashes on Lucene DataInput.readVInt

Question

My JVM (1.6.0_29) keeps crashing on intensive use when indexing documents with Lucene. I get:

#
# A fatal error has been detected by the Java Runtime Environment         


        

Answer 1

According to this article the following could cause it in Java 6 as well:

Please note: Also Java 6 users are affected, if they use one of those JVM options, which are not enabled by default: -XX:+OptimizeStringConcat or -XX:+AggressiveOpts

Are you using any of them?