java.lang.reflect.UndeclaredThrowableException: This exception has no message.
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java.net.SocketException: Socket closed
at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:116)
at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
at java.io.ObjectOutputStream$BlockDataOutputStream.drain(ObjectOutputStream.java:1877)
at java.io.ObjectOutputStream$BlockDataOutputStream.setBlockDataMode(ObjectOutputStream.java:1786)
at java.io.ObjectOutputStream.reset(ObjectOutputStream.java:503)
at net.sf.lipermi.handler.ConnectionHandler.sendMessage(ConnectionHandler.java:182)
at net.sf.lipermi.handler.ConnectionHandler.remoteInvocation(ConnectionHandler.java:207)
at net.sf.lipermi.handler.CallProxy.invoke(CallProxy.java:58)
at com.sun.proxy.$Proxy49.getStackFrames(Unknown Source)
at org.uqbar.project.wollok.debugger.WollokDebugTarget.getStackFrames(WollokDebugTarget.java:310)
at org.uqbar.project.wollok.debugger.model.WollokThread.getStackFrames(WollokThread.java:34)
at org.uqbar.project.wollok.debugger.model.WollokThread.canStepReturn(WollokThread.java:156)
at org.eclipse.debug.internal.core.commands.StepReturnCommand.isSteppable(StepReturnCommand.java:27)
at org.eclipse.debug.internal.core.commands.StepCommand.isExecutable(StepCommand.java:46)
at org.eclipse.debug.core.commands.AbstractDebugCommand$UpdateJob.run(AbstractDebugCommand.java:101)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)