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icon2.gif  Eclipse won't start? READ THIS FIRST [message #633149] Fri, 15 October 2010 14:03
Eric Rizzo is currently offline Eric RizzoFriend
Messages: 2411
Registered: July 2009
Senior Member
If you've "installed" Eclipse but are having trouble getting it to run, the most likely cause is that you have not correctly specified the JVM for it to run under. Doing so is easy, just read http://wiki.eclipse.org/Eclipse.ini

Another common mistake on Microsoft Windows is a mismatch between the "bittedness" of Eclipse and the JVM/JDK. This is the most frequent cause of an Error 13. 64-bit Eclipse requires a 64-bit JVM, and 32-bit Eclipse requires 32-bit JVM--you can not mix-and-match between 32-bit and 64-bit, so make sure the version of Eclipse you installed matches the JVM/JDK that you're using to run it (and make sure you're using eclipse.ini to specify the exact JVM used to run Eclipse, described above).

As a simple test, open a Command Prompt window, move to the directory that is pointed to by the -vm argument in your eclipse.ini, and run the intended java.exe with the -d32 switch to test if it supports 32-bit, or -d64 to test for 64-bit support. It's often simplest to download a version of Eclipse that will work with whatever Java you already have installed.


[Updated on: Fri, 21 November 2014 15:29]

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