[转]解决eclipse-helios中Errors running builder Java...

为什么80%的码农都做不了架构师？>>>

最近下载了eclipse-jee-helios-win32.zip版，使用起来没感觉到什么变化，就是以前的Web项目上在打开的时候，总是在验证的时候弹出错误：

Errors occurred during the build.
Errors running builder 'JavaScript Validator' on project '##'.
java.lang.NullPointerException

要解决这个问题，要就把JavaScript Validator去掉。去掉的方法是：选择一个项目—-右键Properties—-Builders(排二个)—-点一下右则会有四项—-取消第一项“JavaScript Validator”的勾就OK了
[转自]http://hi.baidu.com/%B3%BF%D1%F4%C2%FE%B2%BD/blog/item/2528f6de3ca90955ccbf1a3f.html

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另一种方法：
鉴于产生这种错误的原因是工作空间目录（缺省为workspace目录）下的.metadata目录下的相应配置文件的内容
有错误，所以会出现这种问题
参考如下：
-------------------------
解决：弹出“Building workspace has encountered a problem. Error 方法
2011-09-04 22:31

开发过程中常遇到这种情况，在打开eclipse的时候，弹出对话框，提示“Building workspace has encountered a problem. Errors during build.”

解决方法：

这个问题说的是创建工作路径错误，所以我们要看看workspace是否设置正确，是否曾经用过两个不同的workspace，我们可以把这两个全部删除或者删除当前正在使用的工作空间的文件夹（删除前记得备份此工作空间中的代码），再重新创建一个就好了。例如你当前正在使用的工作空间文件夹为 C:\Documents and Settings\Administrator\workspace这个工作空间下出现此错误，关闭eclipse，然后将C:\Documents and Settings\Administrator\workspace文件夹删掉，待下次打开eclipse时，此工作空间文件夹会被重建，这个错误就解决了
[摘自：http://hi.baidu.com/maxiao19880601/blog/item/277b94cef2e1e522b600c884.html]

转载于:https://my.oschina.net/leeoo/blog/51004

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