Eclipse cannot find a free socket for the debugger

[Sebastiaan van Erk]

For those of you who have the same problem, it turns out that in FreeBSD
5.1 at least, the net.inet6.ip6.v6only is set to 1 by default. Turn it
off with sysctl -w net.inet6.ip6.v6only=0 as root, and restart eclipse,
and debugging will work just fine.

Greetings,
Sebastiaan van Erk

On Tue, 2003-12-02 at 12:09, Sebastiaan van Erk wrote:
> I get the exact same problem since I upgraded the JDK to 1.4.2-p5 (from
> 1.4.1-p5).
> 
> I can use "Run", but "Debug" no longer works...
> 
> Does anybody have a workaround?
> Or should I downgrade the JDK?
> 
> Greetings,
> Sebastiaan van Erk
> 
> On Sat, 2003-11-22 at 17:29, Jan Schultze wrote:
> > Hello everyone,
> > 
> > Everytime I try to run the debugger in Eclipse (2.1.1_2), I get the 
> > following error message:
> > 
> > 	Exception occured during launching
> > 	Reason:
> > 	Cannot find a free socket for the debugger
> > 
> > I'm running FreeBSD 5.1 Release with a native jdk1.4.2-p5. I'm not sure 
> > if the problems is related to the jdk or eclipse port or some stupid 
> > mistake of mine. Has anyone had the same problem or maybe solved it?
> > 
> > FYI workspace/.metadata/.log contains this stack trace:
> > 
> > !SESSION Nov 21, 2003 16:36:02.872
> > ---------------------------------------------java.version=1.4.2-p5
> > java.vendor=Sun Microsystems Inc.
> > BootLoader constants: OS=freebsd, ARCH=x86, WS=gtk, NL=de_DE
> > Command-line arguments: -os freebsd -ws gtk -arch x86 -install
> > file:/usr/local/eclipse/
> > !ENTRY org.eclipse.core.resources 1 1 Nov 21, 2003 16:36:02.875
> > !MESSAGE Could not load library: libcore_2_1_0a.so.  This library
> > provides platform-specific optimizations for certain file system
> > operations.  This library is not present on all platforms, so this may
> > not be an error.  The resources plug-in will safely fall back to using
> > java.io.File functionality.
> > !ENTRY org.eclipse.debug.ui 4 120 Nov 21, 2003 16:36:22.71
> > !MESSAGE Error logged from Debug UI:
> > !STACK 1
> > org.eclipse.core.runtime.CoreException: Cannot find a free socket for
> > the debugger
> >          at
> > org.eclipse.jdt.launching.AbstractVMRunner.abort(AbstractVMRunner.java:44)
> >          at
> > org.eclipse.jdt.internal.launching.StandardVMDebugger.run(StandardVMDebugger.java:126)
> >          at
> > org.eclipse.jdt.internal.launching.JavaLocalApplicationLaunchConfigurationDelegate.launch(JavaLocalApplicationLaunchConfigurationDelegate.java:111)
> >          at
> > org.eclipse.debug.internal.core.LaunchConfiguration.launch(LaunchConfiguration.java:156)
> >          at
> > org.eclipse.debug.internal.ui.DebugUIPlugin.buildAndLaunch(DebugUIPlugin.java:676)
> >          at
> > org.eclipse.debug.ui.DebugUITools.buildAndLaunch(DebugUITools.java:538)
> >          at org.eclipse.debug.ui.DebugUITools$2.run(DebugUITools.java:487)
> >          at
> > org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:101)
> > !ENTRY org.eclipse.jdt.launching 4 118 Nov 21, 2003 16:36:22.75
> > !MESSAGE Cannot find a free socket for the debugger
> > 
> > Regards,
> > Jan
> > 
> > _______________________________________________
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> 
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