在Mac上安装Java(xerces)的问题 [英] problems with java installation (xerces) on mac

问题描述

我正在使用MacOsX 10.6.4.

I'm using MacOsX 10.6.4.

前段时间，我遇到了Eclipse问题(它不再启动-我打开了问题，然后按照所有建议进行操作，但没有运气). 然后，我也遇到了其他Java应用程序的非常相似的问题，其中最后一个是android sdk.所有这些问题似乎与xerces/xml有关，如以下异常所示(仅运行tools/android并单击可用更新"按钮):

Some time ago I run into problems with Eclipse (it wouldn't start anymore - I opened a question here and followed all the suggestion but with no luck). Then I also run into very similar problems with other java applications, of which the last one is the android sdk. All these problems seem to be related with xerces/xml, as the following exception shows (just running tools/android and clicking on the "available updates" button):

线程正在加载源代码"中的异常java.lang.AbstractMethodError:org.apache.xerces.dom.DeferredElementNSImpl.getTextContent()Ljava/lang/String;

Exception in thread "Loading Source" java.lang.AbstractMethodError: org.apache.xerces.dom.DeferredElementNSImpl.getTextContent()Ljava/lang/String;

有什么方法可以修复Java安装(重新安装操作系统是不可能的)吗?

Is there any way to repair the java installation (reinstalling the OS is out of the question)?

非常感谢

尼古拉·蒙泰基奥(Nicola Montecchio)

Nicola Montecchio

推荐答案

可尝试的一些方法:

1. 寻找偶然的xerces JAR，这些JAR可能无意中留在了System属性java.ext.dirs的目录之一中.

1. Look for adventitious xerces JARs that may have been inadvertently left in one of the directories of the System property java.ext.dirs.

/Users/*/Library/Java/Extensions
/Library/Java/Extensions
/System/Library/Java/Extensions
/System/Library/Frameworks/JavaVM.framework/Versions/1.6.0/Home/lib/ext

使用聚光灯在Eclipse之外搜索无关的xerces JAR.

Use spotlight to search for extraneous xerces JARs outside of Eclipse.

删除/Applications/eclipse和~/.eclipse;重新安装Eclipse.

Remove /Applications/eclipse and ~/.eclipse; reinstall Eclipse.

从安装程序DVD中重新安装Java:/Volumes/Mac OS X Install DVD/Optional Installs/Xcode Tools/Packages/JavaSDK.pkg.

Reinstall Java from the the installer DVD: /Volumes/Mac OS X Install DVD/Optional Installs/Xcode Tools/Packages/JavaSDK.pkg.

检查软件更新.

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