HTTP Status 500 -
--------------------------------------------
type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception
java.lang.NullPointerException
Regist.doPost(Regist.java:26)
javax.servlet.http.HttpServlet.service(HttpServlet.java:710)
javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
note The full stack trace of the root cause is available in the Apache Tomcat/6.0.13 logs.
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Apache Tomcat/6.0.13[code=HTML][/code]
------解决方案--------------------
Regist.java:26行 有东西为null
------解决方案--------------------
空指针异常嘛
有东东为空你就拿来用了
------解决方案--------------------
在定义了这个变量
- Java code
ConnSql ConMySql = null;
------解决方案--------------------
楼上正解！
java.lang.NullPointerException 空指针异常了！
代码迷推荐解决方案：The server encountered an internal error () that prevented it from fulfilling this request.,http://www.daimami.com/search?q=317