我的Netbeans出现了问题

"Netbeans用户_成洪" <[email protected]>
Newsgroups gmane.comp.java.netbeans.marketing
Message-ID <[email protected]> 
你们好！
我是Netbeans3.5.1用户。我的Netbeans出了如下问题：
java.lang.classcastException异常。
ide.log在附件中。
谢谢！
ide.log (application/octet-stream, 120.3 KB) - not displayed
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