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An internal error occurred during: “Launching Project”. java.lang.NullPointerException

2015-11-03 13:10 561 查看
If anyone face this problem, first keep in mind that error is not in your code but due to some internal issue in eclipse ADT. I don't know exact problem but luckily found way to solve it. If you ever encounter this error follow steps below:
Exit Eclipse.
Go to Android workspace.
Locate .metadata folder(make sure you set hidden folder visibility on).
Delete .metedata folder.
Start Eclipse(you will notice project explorer is empty, don't panic) and import all your projects.

原文链接:http://stackoverflow.com/questions/25847674/an-internal-error-occurred-during-launching-project-java-lang-nullpointerexc
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