Hibernate 从插件调用代码时出现问题："；org.eclipse.core.resources“；

我已经将gwt与Hibernate集成，但是当我创建Hibernate.reveng.xml时，我出现了一个错误，无法创建实体bean类

从插件“org.eclipse.core.resources”调用代码时出现问题。[在此处输入链接说明][1]

java.lang.NullPointerException
at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener$2.visit(WorkspaceChangeListener.java:74)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener.resourceChanged(WorkspaceChangeListener.java:70)
at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:395)
at org.eclipse.core.internal.resources.Workspace.checkpoint(Workspace.java:557)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation$1.run(PerformChangeOperation.java:263)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.executeChange(PerformChangeOperation.java:306)
at org.eclipse.ltk.internal.ui.refactoring.UIPerformChangeOperation.executeChange(UIPerformChangeOperation.java:92)
at org.eclipse.ltk.core.refactoring.PerformChangeOperation.run(PerformChangeOperation.java:218)
at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2344)
at org.eclipse.ltk.internal.ui.refactoring.WorkbenchRunnableAdapter.run(WorkbenchRunnableAdapter.java:87)
at org.eclipse.jface.operation.ModalContext$ModalContextThread.run(ModalContext.java:121)

---

这个问题的主题最好是： 来自org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener的NullPointerException（从插件“org.eclipse.core.resources”调用代码时出现问题）

我正在使用：

• JBoss开发者工作室（核心功能）7.0.1.GA-v20130930-2238-B7 com.JBoss.jbds.product.feature.feature.group红帽JBoss
  • （请参阅Eclipse->帮助->关于->安装详细信息->已安装软件）
• JBossTools归档核心插件3.4.100.Final-v20130717-0846-B106（org.jboss.ide.eclipse.Archives.Core）
  • （请参阅Eclipse->帮助->关于->安装详细信息->插件）

我没有找到最终的答案，但有几点可以缩小原因（如果不需要的话，在Eclipse中卸载JBOSS开发工具可能会解决这个问题）：

• 已经修复了一个类似的bug，但没有进一步解释是什么导致了它：
  • 2009年：

  • 2007年：

• 2008：这里我们有更多（插件代码相关）开发人员提示：
  • 忘记设置组件

  • 忘记关门了

  • 资源=工作区根目录时的NPE

• 我的一些相关异常（似乎不是原因，而是“问题触发器”）：
  • AutoBuildJob.doBuild已触发

    java.lang.NullPointerException
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener$2.visit(WorkspaceChangeListener.java:74)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener.resourceChanged(WorkspaceChangeListener.java:70)
    at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
    at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
    at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:396)
    at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1531)
    at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:156)
    at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
    

    java.lang.NullPointerException
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener$2.visit(WorkspaceChangeListener.java:74)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener.resourceChanged(WorkspaceChangeListener.java:70)
    at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
    at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
    at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:396)
    at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1531)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2354)
    at org.eclipse.debug.core.model.Breakpoint.run(Breakpoint.java:341)
    at org.eclipse.wst.jsdt.debug.internal.core.breakpoints.JavaScriptExceptionBreakpoint.<init>(JavaScriptExceptionBreakpoint.java:79)
    at org.eclipse.wst.jsdt.debug.internal.core.JavaScriptPreferencesManager.createSuspendOnException(JavaScriptPreferencesManager.java:168)
    at org.eclipse.wst.jsdt.debug.internal.core.JavaScriptPreferencesManager.access$2(JavaScriptPreferencesManager.java:166)
    at org.eclipse.wst.jsdt.debug.internal.core.JavaScriptPreferencesManager$StartJob.run(JavaScriptPreferencesManager.java:80)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
    

  • JavaScriptPreferencesManager.CreateSupspendonexException-triggered

    java.lang.NullPointerException
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener$2.visit(WorkspaceChangeListener.java:74)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener.resourceChanged(WorkspaceChangeListener.java:70)
    at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
    at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
    at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:396)
    at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1531)
    at org.eclipse.core.internal.events.AutoBuildJob.doBuild(AutoBuildJob.java:156)
    at org.eclipse.core.internal.events.AutoBuildJob.run(AutoBuildJob.java:241)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
    

    java.lang.NullPointerException
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener$2.visit(WorkspaceChangeListener.java:74)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:69)
    at org.eclipse.core.internal.events.ResourceDelta.accept(ResourceDelta.java:49)
    at org.jboss.ide.eclipse.archives.core.WorkspaceChangeListener.resourceChanged(WorkspaceChangeListener.java:70)
    at org.eclipse.core.internal.events.NotificationManager$1.run(NotificationManager.java:291)
    at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
    at org.eclipse.core.internal.events.NotificationManager.notify(NotificationManager.java:285)
    at org.eclipse.core.internal.events.NotificationManager.broadcastChanges(NotificationManager.java:149)
    at org.eclipse.core.internal.resources.Workspace.broadcastPostChange(Workspace.java:396)
    at org.eclipse.core.internal.resources.Workspace.endOperation(Workspace.java:1531)
    at org.eclipse.core.internal.resources.Workspace.run(Workspace.java:2354)
    at org.eclipse.debug.core.model.Breakpoint.run(Breakpoint.java:341)
    at org.eclipse.wst.jsdt.debug.internal.core.breakpoints.JavaScriptExceptionBreakpoint.<init>(JavaScriptExceptionBreakpoint.java:79)
    at org.eclipse.wst.jsdt.debug.internal.core.JavaScriptPreferencesManager.createSuspendOnException(JavaScriptPreferencesManager.java:168)
    at org.eclipse.wst.jsdt.debug.internal.core.JavaScriptPreferencesManager.access$2(JavaScriptPreferencesManager.java:166)
    at org.eclipse.wst.jsdt.debug.internal.core.JavaScriptPreferencesManager$StartJob.run(JavaScriptPreferencesManager.java:80)
    at org.eclipse.core.internal.jobs.Worker.run(Worker.java:53)
    

  • …内部工作空间作业。运行

  • 在org.jboss.tools.common.model.filesystems.impl.eclipseefilebodysource.write上