[Solution 1]
java –version command after jdk1.6 can give you 32 bit or 64 bit info.
Before jdk1.5, doesn’t contain this info.
[Solution 2]
In linux env, run this command to check .
file /usr/java/jre1.5.0_09/bin/java
[Solution 3]
32 bit jvm has a limitation of memory usage of less than 2G or 4G. Can’t actually remember.
Can verify using a big memory set up.
-ms4096M –mx4096M
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