An internal error occurred during: "Processing Dirty Regions". org/eclipse/wst/sse/ui/internal/reconcile/validator/ValidationHelper An internal error occurred during: "JSP Content Validator". org/eclipse/wst/sse/ui/internal/reconcile/validator/ValidationHelper An internal error occurred during: "JSP Semantics Validator (JSF)". org/eclipse/wst/sse/ui/internal/reconcile/validator/ValidationHelper An internal error occurred during: "JSP Syntax Validator". org/eclipse/wst/sse/ui/internal/reconcile/validator/ValidationHelper 解决方法： 将原eclipse中plugins中的org.eclipse.wst.sse.ui_1.x.xxxxxxx.jar挪到原始目录中的一个新建文件夹中， 新建文件夹的名称可以任意命名，如org.eclipse.wst.sse.ui 相关资源：敏捷开发V1.0.pptx
