MyEclipse强制退出后闪退进不去workbench

MyEclipse发生内存溢出，强制结束任务，再次启动MyEclipse发现闪退,再点开重复闪退。查看workspace/.metadata/.log文件发现如下错误信息：

!ENTRY com.genuitec.eclipse.migration 4 0 2015-11-13 15:09:43.413!MESSAGE Unable to execute early startup code for an extension!STACK 0java.lang.ExceptionInInitializerErrorat com.genuitec.eclipse.migration.core.internal.MigrationStartup.earlyStartup(MigrationStartup.java:12)at org.eclipse.ui.internal.EarlyStartupRunnable.runEarlyStartup(EarlyStartupRunnable.java:87)at org.eclipse.ui.internal.EarlyStartupRunnable.run(EarlyStartupRunnable.java:66)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)at org.eclipse.ui.internal.Workbench$55.run(Workbench.java:2551)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)Caused by: java.lang.NullPointerExceptionat com.genuitec.eclipse.migration.core.project.internal.Enablement.createFilter(Enablement.java:117)at com.genuitec.eclipse.migration.core.project.internal.Enablement.<init>(Enablement.java:70)at com.genuitec.eclipse.migration.core.project.internal.ProjectMigrationFilterableObject.<init>(ProjectMigrationFilterableObject.java:26)at com.genuitec.eclipse.migration.core.project.internal.ProjectMigrationOperationDef.<init>(ProjectMigrationOperationDef.java:29)at com.genuitec.eclipse.migration.core.project.internal.ProjectMigrationManagerImpl.readProjectExtensionPoint(ProjectMigrationManagerImpl.java:160)at com.genuitec.eclipse.migration.core.project.internal.ProjectMigrationManagerImpl.<clinit>(ProjectMigrationManagerImpl.java:101)... 6 more!ENTRY org.eclipse.ui 4 0 2015-11-13 15:09:43.414!MESSAGE Error occurred during status handling!STACK 0java.lang.NullPointerExceptionat org.eclipse.ui.internal.statushandlers.StatusHandlerRegistry.<init>(StatusHandlerRegistry.java:61)at org.eclipse.ui.internal.statushandlers.StatusHandlerRegistry.getDefault(StatusHandlerRegistry.java:91)at org.eclipse.ui.statushandlers.StatusManager.getStatusHandler(StatusManager.java:135)at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:189)at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:231)at org.eclipse.ui.statushandlers.StatusManager$StatusManagerLogListener.logging(StatusManager.java:305)at org.eclipse.core.internal.runtime.RuntimeLog.logToListeners(RuntimeLog.java:160)at org.eclipse.core.internal.runtime.PlatformLogWriter.logged(PlatformLogWriter.java:100)at org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory.safeLogged(ExtendedLogReaderServiceFactory.java:86)at org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory.logPrivileged(ExtendedLogReaderServiceFactory.java:205)at org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory.log(ExtendedLogReaderServiceFactory.java:178)at org.eclipse.equinox.log.internal.ExtendedLogServiceFactory.log(ExtendedLogServiceFactory.java:65)at org.eclipse.equinox.log.internal.ExtendedLogServiceImpl.log(ExtendedLogServiceImpl.java:87)at org.eclipse.equinox.log.internal.LoggerImpl.log(LoggerImpl.java:54)at org.eclipse.core.internal.runtime.Log.log(Log.java:62)at org.eclipse.ui.internal.WorkbenchPlugin.log(WorkbenchPlugin.java:822)at org.eclipse.ui.internal.EarlyStartupRunnable.handleException(EarlyStartupRunnable.java:81)at org.eclipse.core.runtime.SafeRunner.handleException(SafeRunner.java:75)at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:46)at org.eclipse.ui.internal.Workbench$55.run(Workbench.java:2551)at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)!SESSION 2015-11-13 15:17:27.315 -----------------------------------------------

解决方法是删除workspace/.metadata/.plugins/目录下的org.eclipse.equinox.p2.ui和org.eclipse.e4.workbench这两个文件夹，再启动MyEclipse恢复正常。