为什么DDMS不再开放？

Android DDMS前几天正在运行,但是今天(1.1更新后)它总是会弹出一条错误消息,说明要检查日志文件.日志文件的结尾是:

!ENTRY org.eclipse.osgi 4 0 2015-02-23 20:36:49.944
!MESSAGE Application error
!STACK 1
java.lang.NullPointerException
    at org.eclipse.core.runtime.URIUtil.toURI(URIUtil.java:280)
    at org.eclipse.e4.ui.internal.workbench.ResourceHandler.loadMostRecentModel(ResourceHandler.java:127)
    at org.eclipse.e4.ui.internal.workbench.swt.E4Application.loadApplicationModel(E4Application.java:370)
    at org.eclipse.e4.ui.internal.workbench.swt.E4Application.createE4Workbench(E4Application.java:220)
    at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:557)
    at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
    at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:543)
    at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:149)
    at com.android.ide.eclipse.monitor.MonitorApplication.start(MonitorApplication.java:86)
    at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:110)
    at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:79)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:353)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:180)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1414)

SDK似乎是最新的但没有ddms,Ubuntu 14.04.这是一个已知的错误还是这个更新需要额外的设置？

检查过程中,你可能拥有的另一个实例monitor或ddms工具的运行.相当蹩脚的谷歌不要指望可能会发生这种情况,并给出一个很好的消息.