eclipse启动报错，让查看.metadata/.log日志
1 !SESSION 2013-09-23 17:28:28.484 ----------------------------------------------- 2 eclipse.buildId=M20120914-1800 3 java.version=1.7.0_11 4 java.vendor=Oracle Corporation 5 BootLoader constants: OS=win32, ARCH=x86, WS=win32, NL=zh_CN 6 Framework arguments: -product org.eclipse.epp.package.jee.product 7 Command-line arguments: -os win32 -ws win32 -arch x86 -product org.eclipse.epp.package.jee.product 8 9 This is a continuation of log file E:/workspace_juno/.metadata/.bak_0.log10 Created Time: 2013-09-23 17:29:28.57811 12 !ENTRY org.eclipse.ui 4 0 2013-09-23 17:29:28.57813 !MESSAGE Error occurred during status handling14 !STACK 015 java.lang.NullPointerException16 at org.eclipse.ui.internal.statushandlers.StatusHandlerRegistry.<init>(StatusHandlerRegistry.java:72)17 at org.eclipse.ui.internal.statushandlers.StatusHandlerRegistry.getDefault(StatusHandlerRegistry.java:91)18 at org.eclipse.ui.statushandlers.StatusManager.getStatusHandler(StatusManager.java:135)19 at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:189)20 at org.eclipse.ui.statushandlers.StatusManager.handle(StatusManager.java:231)21 at org.eclipse.ui.statushandlers.StatusManager$StatusManagerLogListener.logging(StatusManager.java:305)22 at org.eclipse.core.internal.runtime.RuntimeLog.logToListeners(RuntimeLog.java:160)23 at org.eclipse.core.internal.runtime.PlatformLogWriter.logged(PlatformLogWriter.java:100)24 at org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory.safeLogged(ExtendedLogReaderServiceFactory.java:86)25 at org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory.logPrivileged(ExtendedLogReaderServiceFactory.java:205)26 at org.eclipse.equinox.log.internal.ExtendedLogReaderServiceFactory.log(ExtendedLogReaderServiceFactory.java:178)27 at org.eclipse.equinox.log.internal.ExtendedLogServiceFactory.log(ExtendedLogServiceFactory.java:65)28 at org.eclipse.equinox.log.internal.ExtendedLogServiceImpl.log(ExtendedLogServiceImpl.java:87)29 at org.eclipse.equinox.log.internal.LoggerImpl.log(LoggerImpl.java:54)30 at org.eclipse.core.runtime.internal.adaptor.EclipseLogFactory$1.log(EclipseLogFactory.java:53)31 at org.eclipse.core.runtime.internal.adaptor.EclipseLazyStarter.postFindLocalClass(EclipseLazyStarter.java:125)32 at org.eclipse.osgi.baseadaptor.loader.ClasspathManager.findLocalClass(ClasspathManager.java:469)33 at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.findLocalClass(DefaultClassLoader.java:216)34 at org.eclipse.osgi.internal.loader.BundleLoader.findLocalClass(BundleLoader.java:395)35 at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:464)36 at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)37 at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)38 at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)39 at java.lang.ClassLoader.loadClass(ClassLoader.java:356)40 at org.eclipse.osgi.internal.loader.BundleLoader.loadClass(BundleLoader.java:340)
eclipse启动不了，让查看.metadata/.log日志，上面为日志中的错误提示。
解决办法：删除 .metadata/.plugins/org.eclipse.e4.workbench 目录。
参考文档：http://stackoverflow.com/questions/16158889/eclipse-fails-to-start-after-crash