How serious is the Java7 “Solr/Lucene” bug?

Question

Apparently Java7 has some nasty bug regarding loop optimization: Google search.

From the reports and bug descriptions I find it hard to judge how significant this bu

Answer 1

As I understand it, this bug is only found in the server jvm. If you run your program on the client jvm, you are in the clear. If you run your program on the server jvm it depends on the program how serious the problem can be.