schrieb: > kompletter Beschreibung der HAl, Erklärung aller Funktionen von > CubeMX Gibts nicht. ini file to be on one line and wham - Eclipse started just fine and the init parameter I had set in the. So, when I made this change and started Eclipse nothing happened - eclipse did not start up at all (my file had the commands on separate lines as you indicate in your solution). (ie eclipse.exe looks for eclipse.ini, product.exe looks for product.ini)
If not specified the executable will look for a file beside the launcher with the same name and the extension.
ini file called eclipse-3.4.2.ini or you can specify a particular file name using the command The init parameters will be read from a corresponding. As it turns out I had changed the name of my eclipse.exe file to eclipse-3.4.2.exe. The command line solution worked great for me but when I tried to add the commands to my eclipse.ini file they were never picked up - verifying the changes were made the way you indicate in your helpful solution.
Set java heap space in eclipse for mac os windows#
I am running Eclipse Ganymede version 3.4.2 on a Windows XP box. Not all versions of eclipse require separate lines for. JBoss Tools/RHDS forum post that made me want to write this blog
Set java heap space in eclipse for mac os code#
Sun blog with nice explanation of PermGen and what might cause it in user code Related links Igor's blog about using jconsole to debug memory issues with Eclipse Or help out with reducing the memory footprint of your favorite plugins by running them through a profiler and report found issues or possibly even contribute patches to the Jira :) Use a JVM that uses the normal heap for PermGen-like allocations (that is any non-Sun JVM AFAIK) The trick is to remember each argument has to be on seperate lines: Increase the memory settings via command line or eclipse.ini:Ĭommand line eclipse -vmargs -Xms128m -Xmx512m -XX:MaxPermSize=128m *shameless plug*: Get Red Hat Developer Studio when it is relased which does this automatically for you, or. I normally use -XX:MaxPermSize=128m to make sure I don't run out of PermGen space. The solution for this is to add a MaxPermSize value to the vmargs. This is actually the memory region most people have issues with and not so much the normal heap space, but as a normal user one have a hard time realizing this when eclipse (or rather the jvm) just says "Out of Memory" or simply just crashes.
Sun JVM's has a concept of PermGen space that is a *seperate* allocated memory region that is used for e.g. The best way to know if your command line arguments actually has been passed in correctly is to go to Help/About and click "Configuration Details" and check that the property "eclipse.vmargs" contain the values you expected.Īnd that is exactly what happens when you put everything on one line in. The *correct* way of using eclipse.ini is to put each command line argument on individual lines: The above line is simply ignored (or just not parsed correctly) by eclipse and hence the JVM is just started with the Sun VM default memory settings and the user thinks everything is fine. This is all nice, but it is so easy to make it have zero effect by doing what makes the most sense, namely putting all the arguments on a single line in your eclipse.ini: Well, it turns out that the combination of a eclipse.ini's weird syntax and Sun JVM's 'alternative' memory handling can give alot of headache.Įclipse.ini is a configuration file that is located in the root of your Eclipse installation which is used as the default arguments passed to Eclipse. query results when running HQL via Hibernate Tools). This would give some more room for extra many open projects and/or using plugins that might need additional memory (e.g. This is ok for most users, but users can tweak these settings by editing eclipse.ini or via the command line, e.g. Many users seem to have problems with running out of memory when using Eclipse 3.2 in combination with additonal plugins such as those from JBoss Tools or even Eclipse WTP.įor those who just want the solution scroll down to the bottom, you can skip my "rant" about it.Įclipse default memory settings (at least for Eclipse 3.2) is to run with the following memory settings specified in its eclipse.ini file: Updated 03.08.07: eclipse.ini is sensitive to which line break is used.
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