每当我刷新动态Web项目(或保存文件)时,都会遇到错误。实际上,它通常会显示相同的错误3次。
我在这里看到的其他答案表明,仅当该人创建新项目时,它才会发生。这是最近才开始发生的。
查看工作空间/.metadata/.log会显示一系列错误:
!ENTRY org.eclipse.jst.j2ee 4 0 2015-05-15 15:20:16.141
!MESSAGE No IModelProvider exists for project P/MyWebProject of version: Dynamic Web Module 2.5
!STACK 0
java.lang.NullPointerException: No IModelProvider exists for project P/MyWebProject of version: Dynamic Web Module 2.5
at org.eclipse.jst.j2ee.model.ModelProviderManager.getModelProvider(ModelProviderManager.java:101)
at org.eclipse.jst.j2ee.model.ModelProviderManager.getModelProvider(ModelProviderManager.java:281)
at org.eclipse.jst.jee.ui.internal.navigator.JEE5ContentProvider.getCachedModelProvider(JEE5ContentProvider.java:76)
at org.eclipse.jst.jee.ui.internal.navigator.Web25ContentProvider.getNewContentProviderInstance(Web25ContentProvider.java:69)
at org.eclipse.jst.jee.ui.internal.navigator.LoadingJeeDDJob.run(LoadingJeeDDJob.java:50)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
!ENTRY org.eclipse.core.jobs 4 2 2015-05-15 15:20:16.141
!MESSAGE An internal error occurred during: "Loading descriptor for MyWebProject.".
!STACK 0
java.lang.NullPointerException
at org.eclipse.jst.jee.ui.internal.navigator.JEE5ContentProvider.getCachedModelProvider(JEE5ContentProvider.java:77)
at org.eclipse.jst.jee.ui.internal.navigator.Web25ContentProvider.getNewContentProviderInstance(Web25ContentProvider.java:69)
at org.eclipse.jst.jee.ui.internal.navigator.LoadingJeeDDJob.run(LoadingJeeDDJob.java:50)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
删除项目并重新签出解决了该问题。
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