Pro-Test, Eclipse newspaper " An error had occurred,see error log for more details. java.lang.nullpointerexception"

Eclipse newspaper "An error had occurred,see error log for more details. Java.lang.NullPointerException ", let me first tell you how I reported this mistake, I would like to open the Android project in the Res directory in the layout directory of the. XML layouts file, the error will be reported.

Then I went to search the Internet, and generally are the answers, there are some answers can not, be scolded poured, so I dare not try to use the online method. Just try a "start" and "execute"----> "cmd" into the command prompt line, Then enter the Eclipse folder of the MyEclipse installation folder and enter Eclipse-clean to "but no use, the others will not dare to try."

I changed the working environment myself, and tried to open the. XML layout file for other Android projects, and miraculously opened it, so I knew that the problem was the work environment, so I created a new directory as the working environment, import the project into the new environment , and then open successfully. This problem has been overcome. (This is the Android project, but MyEclipse is almost the same as eclipse, able to switch to a working environment, and switch environments, which should not cause any bad items or anything else.)

Well, I've met several times, and this has changed a bit more. Android has the benefits, just to clean the project, you can ...

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Pro-Test, Eclipse newspaper " An error had occurred,see error log for more details. java.lang.nullpointerexception"