Running Orion 2.0.x under 1.5

Written by Joseph Ottinger

Note: running under a beta JVM carries a _lot_ of risk. There's no guarantee that the JVM is good enough to rely on yet, so keep this in mind if you have problems. That said, I was interested in Orion under 1.5 as well, only to get a message: {code}Invalid or corrupt jarfile orion.jar{code} The cure for this is simple. j. Make a backup copy of Orion.jar just in case things don't work for you. j. Create a temporary directory. For the sake of example, we'll call it $T (for "temporary.") j. Unjar Orion in this directory. j. Copy $T/META-INF/MANIFEST.MF to somewhere else. My chosen name was $T/../manifest . j. Rebuild the jar file: jar cfm orion.jar ../manifest * j. Copy this new orion.jar file to the Orion directory. j. Restart Orion. Don't forget to copy the new tools.jar over! First impressions are that Orion starts very slowly with the new JDK. Note that I'm running a *set* of experimental things - I'm on the 64-bit JVM on Solaris 9, so our experiences might differ quite a bit. The running time seems to be very acceptable.

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