로그를 보니 아래와 같이 보여 집니다.
혹여 짐작가는 데라도 있으신지 ..

com.sun.jdi.VMDisconnectedException: 가상 시스템에서 IOException을 가져옵니다.
        at org.eclipse.jdi.internal.connect.PacketSendManager.sendPacket(Unknown Source)
        at org.eclipse.jdi.internal.MirrorImpl.requestVM(Unknown Source)
        at org.eclipse.jdi.internal.MirrorImpl.requestVM(Unknown Source)
        at org.eclipse.jdi.internal.request.EventRequestImpl.enable(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget.createClassPrepareRequest(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget.createClassPrepareRequest(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget.createClassPrepareRequest(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaStratumLineBreakpoint.createRequests(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint.addToTarget(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaLineBreakpoint.addToTarget(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.model.JDIDebugTarget.breakpointAdded(Unknown Source)
        at com.ibm.debug.wsa.internal.core.WSABreakpointManager.installJspBreakpoint(Unknown Source)
        at com.ibm.debug.wsa.internal.core.WSABreakpointManager.breakpointAdded(Unknown Source)
        at org.eclipse.debug.internal.core.BreakpointManager$BreakpointNotifier.run(Unknown Source)
        at org.eclipse.core.internal.runtime.InternalPlatform.run(Unknown Source)
        at org.eclipse.core.runtime.Platform.run(Unknown Source)
        at org.eclipse.debug.internal.core.BreakpointManager$BreakpointNotifier.notify(Unknown Source)
        at org.eclipse.debug.internal.core.BreakpointManager.fireUpdate(Unknown Source)
        at org.eclipse.debug.internal.core.BreakpointManager.addBreakpoints(Unknown Source)
        at org.eclipse.debug.internal.core.BreakpointManager.addBreakpoint(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint.register(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaStratumLineBreakpoint$1.run(Unknown Source)
        at org.eclipse.core.internal.resources.Workspace.run(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaBreakpoint.run(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaStratumLineBreakpoint.<init>(Unknown Source)
        at org.eclipse.jdt.internal.debug.core.breakpoints.JavaStratumLineBreakpoint.<init>(Unknown Source)
        at org.eclipse.jdt.debug.core.JDIDebugModel.createStratumBreakpoint(Unknown Source)
        at com.ibm.sse.editor.jsp.breakpointproviders.JavaStratumBreakpointProvider.addBreakpoint(Unknown Source)
        at com.ibm.sse.editor.internal.debug.ToggleBreakpointAction.createBreakpoints(Unknown Source)
        at com.ibm.sse.editor.internal.debug.ToggleBreakpointAction.run(Unknown Source)
        at org.eclipse.ui.texteditor.AbstractTextEditor$11.triggerAction(Unknown Source)
        at org.eclipse.ui.texteditor.AbstractTextEditor$11.mouseDoubleClick(Unknown Source)
        at org.eclipse.swt.widgets.TypedListener.handleEvent(Unknown Source)
        at org.eclipse.swt.widgets.EventTable.sendEvent(Unknown Source)
        at org.eclipse.swt.widgets.Widget.sendEvent(Unknown Source)
        at org.eclipse.swt.widgets.Display.runDeferredEvents(Unknown Source)
        at org.eclipse.swt.widgets.Display.readAndDispatch(Unknown Source)
        at org.eclipse.ui.internal.Workbench.runEventLoop(Unknown Source)
        at org.eclipse.ui.internal.Workbench.runUI(Unknown Source)
        at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Unknown Source)
        at org.eclipse.ui.PlatformUI.createAndRunWorkbench(Unknown Source)
        at org.eclipse.ui.internal.ide.IDEApplication.run(Unknown Source)
        at org.eclipse.core.internal.runtime.PlatformActivator$1.run(Unknown Source)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:273)
        at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:129)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:85)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:58)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:60)
        at java.lang.reflect.Method.invoke(Method.java:391)
        at org.eclipse.core.launcher.Main.basicRun(Main.java:185)
        at org.eclipse.core.launcher.Main.run(Main.java:704)
        at org.eclipse.core.launcher.Main.main(Main.java:688)




>안녕하세요 !
>
>문의하신 질문은 이클립스 플러그인 관련 오류 인듯 합니다.
>
>..workspce.metadata.log 파일을 오픈하신 다음 해당 오류 내용을 확인해 보시기 바랍니다.
>
>감사합니다.
>