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An internal error occurred during: "Launching Farmework on Tomcat 7.X". Java.lang.NullPointerE

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Author: User
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An internal error occurred during: "Launching Farmework on Tomcat 7.X java.lang.NullPointerException".

If the above error occurs, follow the 3 steps below:
1, first close the myeclipse work space.
2, and then delete the work space under the
"/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs"
This file. Some information about the deployment project is stored in this file. There is no error in deleting the information on this deployed project.
3, restart the start MyEclipse can be resolved.

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