[MyEclipse]弹窗报错Errors running builder ‘Deployment。

转载的,以前保存在本地,现在搬上来,不知道原博在哪了

1.修改java源代码后点击保存,IDE 自动编译并热部署,提示如下错误:

Errors occurred during the build.
Errors running builder ‘DeploymentBuilder‘ on project ‘项目名‘.
java.lang.NullPointerException

产生原因:

IDE勾选了自动编译部署,在部署调用时产生了异常。

解决办法:

取消myeclipse的自动部署:
右键点击项目 ->properties -> Builders ,将DeploymentBuilder勾选去除.

这样,系统将不会自动热部署,可点击工具栏的 Deploy Myeclipse j2ee ...进行手工部署.

二.(推荐

  1. 首先关闭MyEclipse工作空间。
  2. 然后删除工作空间下的

    “/.metadata/.plugins/org.eclipse.core.runtime/.settings/com.genuitec.eclipse.ast.deploy.core.prefs”

    这个文件。在这个文件中存储了一些部署项目的信息。删了这个部署的项目的信息就没有错误了。

  3. 重启启动MyEclipse即可解决了。
时间: 2024-12-29 23:44:59

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