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Are there any differences between these two java versions. If there are any differences how can I have the version java version "1.4.2" because that is what I have in server.
1)
java version "1.4.2_06"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_06-b03)
Java HotSpot(TM) Client VM (build 1.4.2_06-b03, mixed mode)
2)
java version "1.4.2"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2)
Classic VM (build 1.4.2, J2RE 1.4.2 IBM AIX
They are very different from the implementation point of view as the first one is from Sun and the second from IBM. Since they are from different vendors, the patch level means nothing (the
_06on the Sun JDK).From a behaviour point of view, they should be the same. Having said that, I remember some issues in the past with the IBM jdk, in which it would perform really poorly.
If you want to use IBM’s version of java, you can get it from here.