About MyEclipse 10.7 Department error, the solution to the exception of the null pointer

(1)in theMyEclipse ServersView inMyEclipse 10.7.0In some cases, you may not be able to open it.  attempting to open a view causesNPEwill be logged.

Could not create the View:an unexpected exception was thrown. Java.lang.NullPointerException at Com.genuitec.eclipse.ast.deploy.core.Deployment. (Unknown Source) at Com.genuitec.eclipse.ast.deploy.core.ModuleDeployment. (Unknown Source) at Com.genuitec.eclipse.ast.deploy.core.WebDeployment. (Unknown source) at Com.genuitec.eclipse.ast.deploy.core.Deployment.create (Unknown source) at Com.genuitec.eclipse.ast.deploy.core.DeploymentManager.loadFromPreferences (Unknown Source) at Com.genuitec.eclipse.ast.deploy.core.DeploymentManager.init (Unknown Source) at Com.genuitec.eclipse.ast.deploy.core.DeploymentManager. (Unknown source) at Com.genuitec.eclipse.ast.deploy.core.DeploymentManager.getDefault (Unknown source) at Com.genuitec.eclipse.ast.deploy.core.ui.servertreeviewer$servertreecontentprovider.inputchanged (Unknown Source) At Org.eclipse.jface.viewers.ContentViewer.setInput (contentviewer.java:276) at Org.eclipse.jface.viewers.StructuredViewer.setInput (structuredviewer.java:1690) at Com.genuiTec.eclipse.ast.deploy.core.ui.ServerTreeViewer. (Unknown source) at Com.genuitec.eclipse.ast.deploy.core.ui.ServerView.createPartControl (Unknown source) at Org.eclipse.ui.internal.ViewReference.createPartHelper (viewreference.java:375) at Org.eclipse.ui.internal.ViewReference.createPart (viewreference.java:229) at Org.eclipse.ui.internal.WorkbenchPartReference.getPart (workbenchpartreference.java:595) at Org.eclipse.ui.internal.PartPane.setVisible (partpane.java:313) at Org.eclipse.ui.internal.ViewPane.setVisible ( viewpane.java:534) at org.eclipse.ui.internal.presentations.PresentablePart.setVisible (presentablepart.java:180) At Org.eclipse.ui.internal.presentations.util.PresentablePartFolder.select (presentablepartfolder.java:270) at Org.eclipse.ui.internal.presentations.util.LeftToRightTabOrder.select (lefttorighttaborder.java:65) at Org.eclipse.ui.internal.presentations.util.TabbedStackPresentation.selectPart (tabbedstackpresentation.java:473 ) at Org.eclipse.ui.internal.PartStack.refreshPresEntationselection (partstack.java:1245) at Org.eclipse.ui.internal.PartStack.createControl (partstack.java:662) at Org.eclipse.ui.internal.PartStack.createControl (partstack.java:570) at  Org.eclipse.ui.internal.PartSashContainer.createControl (partsashcontainer.java:568).

As shown below:

(2) If the above error occurs, follow the following 3 steps to resolve:

1. First, close the myeclipse working space.

2, then delete   under Workspace, "/.metadata/.plugins/org.eclipse.core.runtime/.settings/ Com.genuitec.eclipse.ast.deploy.core.prefs " 

This file. Some deployment project information is stored in this file. There is no error in deleting the information for this deployed project.

3, restart the myeclipse can be resolved. The cute cat has appeared again!

About MyEclipse 10.7 Department error, the solution to the exception of the null pointer