Hoy he obtenido un error, al iniciar eclipse:
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Java Virtual Machine Launcher
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Error: Could not create the Java Virtual Machine.
Error: A fatal exception has occurred. Program will exit.
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Aceptar
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Lo he solucionado bajando el -Xmx de 1024 a 768m. En stackoverflow, comentan mas formas. Pero solo me ha funcionado bajar el Xmx.
-startup plugins/org.eclipse.equinox.launcher_1.3.0.v20120522-1813.jar --launcher.library plugins/org.eclipse.equinox.launcher.win32.win32.x86_1.1.200.v20120522-1813 -product org.eclipse.epp.package.jee.product --launcher.defaultAction openFile --launcher.XXMaxPermSize 384M -showsplash org.eclipse.platform --launcher.XXMaxPermSize 384M --launcher.defaultAction openFile -vm C:/Program Files/Java/jdk1.7.0_21/bin/javaw.exe -vmargs -Dosgi.requiredJavaVersion=1.6 -Dhelp.lucene.tokenizer=standard -Xms40m -Xmx768m -XX:MaxPermSize=384m