在tomcat中部署项目报An internal error occurred during: "Add Deployment".java.lang.Null

解决方法:

导入的类库报错,删除后重新选择jdk就好了

右键项目名→Properties→Java Build Path→Libraries→选中JRE System Library[Sun JDK 1.5.0.22]→Edit→选中“Workspace default JRE(Sun JDK 1.5.0.22)”→Finish

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转载自forestyang.iteye.com/blog/1937084