tomcat做报表服务器经常报错

HTTP Status 500 - Servlet execution threw an exception

type Exception report

message Servlet execution threw an exception

description The server encountered an internal error that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: Servlet execution threw an exception

root cause

java.lang.NoClassDefFoundError: com/fr/web/core/ErrorHandlerHelper

com.fr.web.BaseServlet.doGet(Unknown Source)

javax.servlet.http.HttpServlet.service(HttpServlet.java:621)

javax.servlet.http.HttpServlet.service(HttpServlet.java:728)

note The full stack trace of the root cause is available in the Apache Tomcat/7.0.39 logs.

回答

java.lang.NoClassDefFoundError: com/fr/web/core/ErrorHandlerHelper

这类缺少类的问题,估计是每次运行都报错吧,除非你动态加载了其他的jar包

最要还是看缺少的类在哪里,只要补全就好了

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