CHKJ3000E: WAR Validation Failed: org.eclipse.jst.j2ee.commonarchivecore.internal.exception.DeploymentDescriptorLoadException: WEB-INF/web.xml

错误：CHKJ3000E: WAR Validation Failed: org.eclipse.jst.j2ee.commonarchivecore.internal.exception.DeploymentDescriptorLoadException: WEB-INF/web.xml

1.选中项目右键->validate   ,但每当clean后都会重新出现

2. 在perferences->Deployment Assemby->Add...->web.xml所在文件夹，并在下面的Advance中选择该文件夹即可