Eclipse:An error has occurred. See error log for more details. java.lang.NullPointerException
问题描述
在使用 Eclipse Clean 项目时报错:An error has occurred. See error log for more details. java.lang.NullPointerException
。猜测这应该是由于 Eclipse 没有正常关闭所导致的。
打开 Eclipse 的日志 \workspace\.metadata\.log
如下:
!ENTRY org.eclipse.jface 4 2 2019-04-25 15:42:06.381
!MESSAGE Problems occurred when invoking code from plug-in: "org.eclipse.jface".
!STACK 0
java.lang.NullPointerException
at org.eclipse.jst.jee.ui.internal.navigator.web.WebAppProvider.getImage(WebAppProvider.java:99)
at org.eclipse.jst.jee.ui.internal.navigator.Web25LabelProvider.getImage(Web25LabelProvider.java:47)
at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.findImage(NavigatorContentServiceLabelProvider.java:197)
at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getColumnImage(NavigatorContentServiceLabelProvider.java:105)
at org.eclipse.ui.internal.navigator.NavigatorContentServiceLabelProvider.getImage(NavigatorContentServiceLabelProvider.java:98)
at org.eclipse.ui.internal.navigator.NavigatorDecoratingLabelProvider$StyledLabelProviderAdapter.getImage(NavigatorDecoratingLabelProvider.java:59)
at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.getImage(DelegatingStyledCellLabelProvider.java:195)
at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.getImage(DecoratingStyledCellLabelProvider.java:173)
at org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.update(DelegatingStyledCellLabelProvider.java:121)
at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider.update(DecoratingStyledCellLabelProvider.java:136)
at org.eclipse.jface.viewers.ViewerColumn.refresh(ViewerColumn.java:154)
at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:949)
at org.eclipse.jface.viewers.AbstractTreeViewer$UpdateItemSafeRunnable.run(AbstractTreeViewer.java:114)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
at org.eclipse.jface.viewers.AbstractTreeViewer.doUpdateItem(AbstractTreeViewer.java:1029)
at org.eclipse.jface.viewers.StructuredViewer$UpdateItemSafeRunnable.run(StructuredViewer.java:472)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
at org.eclipse.jface.viewers.StructuredViewer.updateItem(StructuredViewer.java:2150)
at org.eclipse.jface.viewers.StructuredViewer.internalUpdate(StructuredViewer.java:2133)
at org.eclipse.jface.viewers.StructuredViewer.update(StructuredViewer.java:2071)
at org.eclipse.jface.viewers.ColumnViewer.update(ColumnViewer.java:540)
at org.eclipse.ui.navigator.CommonViewer.update(CommonViewer.java:535)
at org.eclipse.jface.viewers.StructuredViewer.update(StructuredViewer.java:2015)
at org.eclipse.jface.viewers.StructuredViewer.handleLabelProviderChanged(StructuredViewer.java:1182)
at org.eclipse.ui.navigator.CommonViewer.handleLabelProviderChanged(CommonViewer.java:235)
at org.eclipse.jface.viewers.ContentViewer$1.labelProviderChanged(ContentViewer.java:99)
at org.eclipse.jface.viewers.BaseLabelProvider$1.run(BaseLabelProvider.java:72)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:178)
at org.eclipse.jface.viewers.BaseLabelProvider.fireLabelProviderChanged(BaseLabelProvider.java:69)
at org.eclipse.jface.viewers.DecoratingStyledCellLabelProvider$1.labelProviderChanged(DecoratingStyledCellLabelProvider.java:78)
at org.eclipse.ui.internal.decorators.DecoratorManager$1.run(DecoratorManager.java:446)
at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
at org.eclipse.ui.internal.decorators.DecoratorManager.fireListener(DecoratorManager.java:443)
at org.eclipse.ui.internal.decorators.DecorationScheduler$3.runInUIThread(DecorationScheduler.java:536)
at org.eclipse.ui.progress.UIJob$1.run(UIJob.java:97)
at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:136)
at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:4147)
at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3764)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$9.run(PartRenderingEngine.java:1151)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1032)
at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:148)
at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:636)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:332)
at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:579)
at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:135)
at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:648)
at org.eclipse.equinox.launcher.Main.basicRun(Main.java:603)
at org.eclipse.equinox.launcher.Main.run(Main.java:1465)
at org.eclipse.equinox.launcher.Main.main(Main.java:1438)
解决方法
- 删除当前项目,注意不要把这个勾选上:Delete project contents on disk(cannot be undone)
- 重新导入项目,Project —> Clean... 一下工程就可以了
- 网上的一些方法
Try so start Eclipse from the console/terminal with the -clean option.
On Windows:
Eclipse.exe -clean
On Linux/Unix:
./eclipse -clean
or if Eclipse is in your PATH
eclipse -clean
This will clear your plug-ins cache, maybe it solves the issue.
Eclipse:An error has occurred. See error log for more details. java.lang.NullPointerException的更多相关文章
- eclipse报An error has occurred,See error log for more details. java.lang.NullPointerException错误
eclipse报An error has occurred,See error log for more details. java.lang.NullPointerException错误,解决办法: ...
- 亲測,Eclipse报"An error has occurred,See error log for more details. java.lang.NullPointerException"
Eclipse报"An error has occurred,See error log for more details. java.lang.NullPointerException&q ...
- eclipse myeclipse修改工作区间 an error has occurred. see error log for more details. java.lang.nullpointerexception 问题解决
解决办法:修改项目工作空间. 修改工作空间,以前打开myEclipse时知道怎么改!现在只有找配置文件了! 步骤: MyEclipse 5.1.1 GA----->Eclipse-----> ...
- An error has occurred. See error log for more details. java.lang.NullPointerException
今天重新新建一个eclipse的空间,就报了这么一个错误,百度找了很多,发现不对头,都不行.后来点开错误一看,原来是web.xml里面没有文件头造成的. 解决办法:只需要在web.xml文件里添加文件 ...
- An internal error occurred during: "Map/Reduce location status updater". java.lang.NullPointerException
eclipse配置hadoop 2.6 服务器做的虚拟机,因为window是的hadoop会出现意想不到的错误,因为,我做了ubuntu的虚拟机供我使用 在虚拟机中进行映射设置 在eclipse中dr ...
- 布局(layout)文件图形界面不能显示:An error has occurred. See error log for more details. java.lang.NullPointe
#问题解析# Android工程中Layout文件夹下的布局文件图形界面无法显示,一般发生这种情况在导入工程操作后极易出现,因为可能eclipse使用的sdk版本不同,target类型不同,所用And ...
- Android+Eclipse+Java:在“正在启动 CrazySnake”期间发生了内部错误, java.lang.NullPointerException
删除工作空间下的.metadata 文件夹 重启 Eclipse 清理工作空间
- Ubuntu eclipse :An error has occurred. See the log file
安装eclipse: sudo apt-get install eclipse-platform 调整java: sudo update-alternatives --config java 启动: ...
- Eclipse 在启动发生错误异常:An internal error occurred during: "Initializing Java Tooling". java.lang.NullPointerException的解决办法
异常现象: 打开Eclipse,出现 An internal error occurred during: "Initializing Java Tooling". java.la ...
随机推荐
- plus webview关闭事件监听
plus.webview.currentWebview().addEventListener("close",function(){ },false);
- swiftmailer时没有设置https的选项,才可以发送成功。在linux下面
<?php $su = 'register'; $ge = '1362836763@qq.com'; $co = 'Please register!'; send_mail($su,$ge,$c ...
- DAY19、日常模块
一.hashlib模块:加密1.基本使用:import hashlibcipher = hashlib.md5('需要加密的数据(二进制形式)'.encode('utf-8'))print(ciphe ...
- iOS XIB使用中适配iPhoneX的安全区域、调用UiView动画
2.调用UiView动画 WeakSelf; self.detailsViewBom.constant += 230; [UIView animateWithDuration:animotiontim ...
- 大白话 Scala 控制抽象
2019-04-14 关键字: Scala.Scala控制抽象.Scala高阶函数 本篇文章系笔者根据当前掌握的知识对 Scala 控制抽象的教材知识总结,不保证文章所述内容的绝对.完全正确性. 在 ...
- BZOJ2406矩阵——有上下界的可行流+二分答案
题目描述 输入 第一行两个数n.m,表示矩阵的大小. 接下来n行,每行m列,描述矩阵A. 最后一行两个数L,R. 输出 第一行,输出最小的答案: 样例输入 2 2 0 1 2 1 0 1 样例输出 1 ...
- Django_rest framework 框架介绍
restful介绍 restful协议 一切皆是资源,操作只是请求方式 URL 设计 原先的URL设计方式 在url 中体现出操作行为 /books/ books /books/add/ addbo ...
- 【Linux】配置SSH Key到GitHub/GitLab
Linux配置SSH Key到GitHub/GitLab 准备工作 首先检查下本机是否已经安装了SSH,在终端输入ssh即可: 如果没有安装进行yum安装 # yum -y install opens ...
- 前端三剑客:html,css,JavaScript
一.前端概念 二.html详细介绍 三.css基础 四.css盒模型 五.css高级布局 六.JS基础 七.JS常用类 八.JS基础操作 九.JS高级与事件 十.BOM与DOM 十一.jQuery初识 ...
- 内核空间内存申请函数kmalloc kzalloc vmalloc的区别
我们都知道在用户空间动态申请内存用的函数是 malloc(),这个函数在各种操作系统上的使用是一致的,对应的用户空间内存释放函数是 free().注意:动态申请的内存使用完后必须要释放,否则会造成内存 ...