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Editorial Team
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Asked: 2026-05-13T08:12:48+00:00

I have installed Eclipse on Debian Lenny after having installed java (apt-get install sun-java6-jre

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I have installed Eclipse on Debian Lenny after having installed java (apt-get install sun-java6-jre sun-java6-plugin sun-java6-jdk).

When I run Eclipse, I have the following message when it comes to selet the folder that will be used as the workspace:

GCJ has been detected as the current Java virtual machine.
Use of GCJ is untested and unsupported.
Please consult the documentation for more

I just ignored this message and go into “help” -> “software updates” to install android development tools. When I add “https://dl-ssl.google.com/android/eclipse/” to download the Developer tools, I got an error (see below) and the installation cannot go any further.
Is that due to the Garbage Collector message I got above ?

Below are the error I got on the console from which I run eclipse:

lj:/home/luc# eclipse/eclipse
GC Warning: Out of Memory!  Returning NIL!
GC Warning: Out of Memory!  Returning NIL!
GC Warning: Out of Memory!  Returning NIL!
GC Warning: Out of Memory!  Returning NIL!
GC Warning: Out of Memory!  Returning NIL!
Error while logging event loop exception:
java.lang.OutOfMemoryError
<<No stacktrace available>>
Logging exception:
java.lang.OutOfMemoryError
<<No stacktrace available>>
GC Warning: Out of Memory!  Returning NIL!
....

Thanks a lot for your help,
Luc

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1 Answer

  1. Editorial Team

    This message is your clue:

    GCJ has been detected as the current Java virtual machine.

    That means your system Java is still the GCJ version, not the Sun version.

    If you don’t need GCJ for other things, you can remove the package (apt-get remove or apt-get purge). This might break other dependencies though.

    Otherwise, use update-alternatives to configure which package supplies your java and javac commands:

    update-alternatives --config java
update-alternatives --config javac

    Source

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