eclipse报错 收集

1. Unhandled event loop exception unknown return type in invokeXXX
2. An error has occurred. See error log for more details.java.lang.AbstractMethodError
3. Could not open the editor: assertion failed:
4. An internal error occurred during: "Selection Job titile".java.lang.NullPointerException
5. An error has occurred. See error log for more details.java.lang.NullPointerException
6. Reason:
   some characters cannot be mapped using "ISO-8859-1" character encoding.
   Either change the encoding or remove the characters which are not supported
   by the "ISO-8859-1" character encoding.
   
   在编辑一些php/javascript页面时，在保存时弹出这个窗口
   解决办法：
   菜单->Window->Preferences->General->Content Types->Text->javascript设置Default encoding,把ISO-8859-1改为UTF-8  然后update.