MyEclipse启动后，server出显空指针异常问题

来源：互联网发布：java优秀开源项目编辑：程序博客网时间：2024/05/21 17:03

错误：（部分）

java.lang.NullPointerException
at com.genuitec.eclipse.ast.deploy.core.Deployment.<init>(Unknown Source)
at com.genuitec.eclipse.ast.deploy.core.ModuleDeployment.<init>(Unknown Source)
at com.genuitec.eclipse.ast.deploy.core.WebDeployment.<init>(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.<init>(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)

此外，Manage Deployments按钮失效，server窗口打不开。

产生原因可能是项目部署时出的问题。目前还在学习中。

解决方案：

1.关闭MyEclipse

2.打开MyEclipse的工作空间

3.删除.metadata\.plugins\org.eclipse.core.runtime\.settings下的com.genuitec.eclipse.ast.deploy.core.prefs

相对路径可直接复制粘贴： MyEclipse\.metadata\.plugins\org.eclipse.core.runtime\.settings\com.genuitec.eclipse.ast.deploy.core.prefs

4.重启MyEclipse

即可

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