Hmm... I seem to be getting a different crash on startup now:

Stack: [0x00007f4bd26d8000,0x00007f4bd27d9000],  sp=0x00007f4bd27d5460,  free space=1013k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
C  [libwebkitgtk-1.0.so.0+0x461ca9]  webkit_web_view_get_type+0x2489
C  [libgtk-x11-2.0.so.0+0x12d7e5]  gtk_marshal_VOID__UINT_STRING+0x105

Java frames: (J=compiled Java code, j=interpreted, Vv=VM code)
j  org.eclipse.swt.internal.gtk.OS._gtk_main_do_event(J)V+0
j  org.eclipse.swt.internal.gtk.OS.gtk_main_do_event(J)V+8
j  org.eclipse.swt.widgets.Display.eventProc(JJ)J+157
v  ~StubRoutines::call_stub
j  org.eclipse.swt.internal.gtk.OS._gdk_window_process_all_updates()V+0
j  org.eclipse.swt.internal.gtk.OS.gdk_window_process_all_updates()V+7
j  org.eclipse.swt.widgets.Display.update()V+10
j  org.eclipse.swt.widgets.Display.runDeferredLayouts()Z+60
j  org.eclipse.swt.widgets.Display.readAndDispatch()Z+10
j  org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run()V+638
j  org.eclipse.core.databinding.observable.Realm.runWithDefault(Lorg/eclipse/core/databinding/observable/Realm;Ljava/lang/Runnable;)V+12
j  org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(Lorg/eclipse/e4/ui/model/application/MApplicationElement;Lorg/eclipse/e4/core/contexts/IEclipseContext;)Ljava/lang/Object;+57
j  org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(Lorg/eclipse/e4/ui/model/application/MApplicationElement;)V+20
j  org.eclipse.ui.internal.Workbench$5.run()V+310
j  org.eclipse.core.databinding.observable.Realm.runWithDefault(Lorg/eclipse/core/databinding/observable/Realm;Ljava/lang/Runnable;)V+12
j  org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Lorg/eclipse/swt/widgets/Display;Lorg/eclipse/ui/application/WorkbenchAdvisor;)I+18
j  org.eclipse.ui.PlatformUI.createAndRunWorkbench(Lorg/eclipse/swt/widgets/Display;Lorg/eclipse/ui/application/WorkbenchAdvisor;)I+2
j  org.eclipse.ui.internal.ide.application.IDEApplication.start(Lorg/eclipse/equinox/app/IApplicationContext;)Ljava/lang/Object;+111
j  org.eclipse.equinox.internal.app.EclipseAppHandle.run(Ljava/lang/Object;)Ljava/lang/Object;+135
j  org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(Ljava/lang/Object;)Ljava/lang/Object;+88
j  org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(Ljava/lang/Object;)Ljava/lang/Object;+82
j  org.eclipse.core.runtime.adaptor.EclipseStarter.run(Ljava/lang/Object;)Ljava/lang/Object;+109
j  org.eclipse.core.runtime.adaptor.EclipseStarter.run([Ljava/lang/String;Ljava/lang/Runnable;)Ljava/lang/Object;+132
v  ~StubRoutines::call_stub
j  sun.reflect.NativeMethodAccessorImpl.invoke0(Ljava/lang/reflect/Method;Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+0
j  sun.reflect.NativeMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+87
j  sun.reflect.DelegatingMethodAccessorImpl.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+6
j  java.lang.reflect.Method.invoke(Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;+57
j  org.eclipse.equinox.launcher.Main.invokeFramework([Ljava/lang/String;[Ljava/net/URL;)V+211
j  org.eclipse.equinox.launcher.Main.basicRun([Ljava/lang/String;)V+160
j  org.eclipse.equinox.launcher.Main.run([Ljava/lang/String;)I+4
j  org.eclipse.equinox.launcher.Main.main([Ljava/lang/String;)V+10
v  ~StubRoutines::call_stub