android - Eclipse Luna: "Unhandled event loop exception" -

after download eclipse luna 64 bit , installed adt android, face "unhandled event loop exception" error, when entered source code panel
here full trace of exception

org.eclipse.swt.swterror: no more handles @ org.eclipse.swt.swt.error(swt.java:4467) @ org.eclipse.swt.swt.error(swt.java:4356) @ org.eclipse.swt.swt.error(swt.java:4327) @ org.eclipse.swt.widgets.widget.error(widget.java:476) @ org.eclipse.swt.widgets.control.createhandle(control.java:703) @ org.eclipse.swt.widgets.label.createhandle(label.java:199) @ org.eclipse.swt.widgets.control.createwidget(control.java:743) @ org.eclipse.swt.widgets.control.<init>(control.java:111) @ org.eclipse.swt.widgets.label.<init>(label.java:101) @ org.eclipse.ui.texteditor.statuslinecontributionitem.fill(statuslinecontributionitem.java:182) @ org.eclipse.jface.action.subcontributionitem.fill(subcontributionitem.java:61) @ org.eclipse.jface.action.statuslinemanager.update(statuslinemanager.java:345) @ org.eclipse.ui.internal.workbenchpage.updateactivations(workbenchpage.java:302) @ org.eclipse.ui.internal.workbenchpage.access$17(workbenchpage.java:280) @ org.eclipse.ui.internal.workbenchpage$e4partlistener.partactivated(workbenchpage.java:202) @ org.eclipse.e4.ui.internal.workbench.partserviceimpl$3.run(partserviceimpl.java:234) @ org.eclipse.core.runtime.saferunner.run(saferunner.java:42) @ org.eclipse.e4.ui.internal.workbench.partserviceimpl.firepartactivated(partserviceimpl.java:231) @ org.eclipse.e4.ui.internal.workbench.partserviceimpl.activate(partserviceimpl.java:682) @ org.eclipse.e4.ui.internal.workbench.partserviceimpl.activate(partserviceimpl.java:613) @ org.eclipse.e4.ui.internal.workbench.swt.abstractpartrenderer.activate(abstractpartrenderer.java:106) @ org.eclipse.e4.ui.workbench.renderers.swt.contributedpartrenderer$1.handleevent(contributedpartrenderer.java:61) @ org.eclipse.swt.widgets.eventtable.sendevent(eventtable.java:84) @ org.eclipse.swt.widgets.display.sendevent(display.java:4353) @ org.eclipse.swt.widgets.widget.sendevent(widget.java:1061) @ org.eclipse.swt.widgets.widget.sendevent(widget.java:1085) @ org.eclipse.swt.widgets.widget.sendevent(widget.java:1070) @ org.eclipse.swt.widgets.shell.setactivecontrol(shell.java:1453) @ org.eclipse.swt.widgets.shell.wm_mouseactivate(shell.java:2334) @ org.eclipse.swt.widgets.control.windowproc(control.java:4654) @ org.eclipse.swt.widgets.canvas.windowproc(canvas.java:339) @ org.eclipse.swt.widgets.decorations.windowproc(decorations.java:1626) @ org.eclipse.swt.widgets.shell.windowproc(shell.java:2075) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.canvas.windowproc(canvas.java:339) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.defwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.defwindowproc(os.java:2544) @ org.eclipse.swt.widgets.scrollable.callwindowproc(scrollable.java:79) @ org.eclipse.swt.widgets.control.windowproc(control.java:4705) @ org.eclipse.swt.widgets.canvas.windowproc(canvas.java:339) @ org.eclipse.swt.widgets.display.windowproc(display.java:5037) @ org.eclipse.swt.internal.win32.os.callwindowprocw(native method) @ org.eclipse.swt.internal.win32.os.callwindowproc(os.java:2443) @ org.eclipse.swt.internal.bidiutil.windowproc(bidiutil.java:640) @ org.eclipse.swt.internal.win32.os.peekmessagew(native method) @ org.eclipse.swt.internal.win32.os.peekmessage(os.java:3141) @ org.eclipse.swt.widgets.display.readanddispatch(display.java:3756) @ org.eclipse.e4.ui.internal.workbench.swt.partrenderingengine$9.run(partrenderingengine.java:1152) @ org.eclipse.core.databinding.observable.realm.runwithdefault(realm.java:332) @ org.eclipse.e4.ui.internal.workbench.swt.partrenderingengine.run(partrenderingengine.java:1033) @ org.eclipse.e4.ui.internal.workbench.e4workbench.createandrunui(e4workbench.java:148) @ org.eclipse.ui.internal.workbench$5.run(workbench.java:636) @ org.eclipse.core.databinding.observable.realm.runwithdefault(realm.java:332) @ org.eclipse.ui.internal.workbench.createandrunworkbench(workbench.java:579) @ org.eclipse.ui.platformui.createandrunworkbench(platformui.java:150) @ org.eclipse.ui.internal.ide.application.ideapplication.start(ideapplication.java:135) @ org.eclipse.equinox.internal.app.eclipseapphandle.run(eclipseapphandle.java:196) @ org.eclipse.core.runtime.internal.adaptor.eclipseapplauncher.runapplication(eclipseapplauncher.java:134) @ org.eclipse.core.runtime.internal.adaptor.eclipseapplauncher.start(eclipseapplauncher.java:104) @ org.eclipse.core.runtime.adaptor.eclipsestarter.run(eclipsestarter.java:382) @ org.eclipse.core.runtime.adaptor.eclipsestarter.run(eclipsestarter.java:236) @ sun.reflect.nativemethodaccessorimpl.invoke0(native method) @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source) @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown source) @ java.lang.reflect.method.invoke(unknown source) @ org.eclipse.equinox.launcher.main.invokeframework(main.java:648) @ org.eclipse.equinox.launcher.main.basicrun(main.java:603) @ org.eclipse.equinox.launcher.main.run(main.java:1465) @ org.eclipse.equinox.launcher.main.main(main.java:1438) 

any suggestions??

task manager > processes > , end task 'java.exe'

restart 'java.exe' jre/bin

restart eclipse

this worked me.

you can try modifying xms , xmx in eclipse.ini (in eclipse installtion folder) to: -xms768m -xmx768m