* run-java-tool is not available for sun-jdk-1.6 on i686
* IMPORTANT: some Java tools are not available on some VMs on some architectures
*** glibc detected *** /opt/eclipse/eclipse: double free or corruption (!prev): 0x0806ef90 ***VM terminated. Exit code=1

/usr/bin/run-java-tool
-Xms40m
-Xmx256m
-jar /opt/eclipse/plugins/org.eclipse.equinox.launcher_1.0.0.v20070606.jar
-os linux
-ws gtk
-arch x86
-showsplash
-launcher /opt/eclipse/eclipse
-name Eclipse
--launcher.library /opt/eclipse/plugins/org.eclipse.equinox.launcher.gtk.linux.x86_1.0.0.v20070606/eclipse_1017a.so
-startup /opt/eclipse/plugins/org.eclipse.equinox.launcher_1.0.0.v20070606.jar
-exitdata 38801e
-vm /usr/bin/run-java-tool
-vmargs
-Xms40m
-Xmx256m
-jar /opt/eclipse/plugins/org.eclipse.equinox.launcher_1.0.0.v20070606.jar 

###########################
and also fails with [ used to work ]

/opt/eclipse/eclipse -vm /opt/sun-jdk-1.6.0.02/bin/java

A Java Runtime Environment (JRE) or Java Development Kit (JDK)
must be available in order to run Eclipse. No Java virtual machine
was found after searching the following locations:
/opt/sun-jdk-1.6.0.02/bin/java