MyEclipse Servers View :

Could not create the view: An unexpected exception was thrown.

java.lang.NullPointerException

at com.genuitec.eclipse.ast.deploy.core.Deployment.(Unknown Source)

        ......

如下图：

解决办法：

删除：${workspace}/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs