关于MyEclipse 10 部署报错或者无法部署问题的解决方案

10.7.1已经发布了一个修复这个问题 

在MyEclipse Servers视图在MyEclipse 10.7.0在某些情况下，可能无法打开。 试图打开视图将导致NPE将被记录。

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) 
. 
. 
. 

原因：你有一个积极的部署不再在您的工作区的一个项目，该项目可能被关闭或删除您的工作区。

解决方案： 
 

如果你是无法恢复使用选项1，请使用这个。
1）关闭MyEclipse。 
2）删除文件：/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs  

3）重新启动MyEclipse 10。