java.lang.NullPointerException java.lang.NullPointerException at hrms.user.User.ChkLogin(User.java:128) at org.apache.jsp.ChkLogin_jsp._jspService(ChkLogin_jsp.java:108) 麻烦再看看! 谢谢!~
java.lang.NullPointerException java.lang.NullPointerException at hrms.user.User.ChkLogin(User.java:128) at org.apache.jsp.ChkLogin_jsp._jspService(ChkLogin_jsp.java:108) 麻烦再看看! 谢谢!~
java.lang.NullPointerException java.lang.NullPointerException at hrms.user.User.ChkLogin(User.java:128) at org.apache.jsp.ChkLogin_jsp._jspService(ChkLogin_jsp.java:108) 麻烦再看看! 谢谢!~
你检查你的驱动是否添加
Mysqk服务是否打开要是还是错误就把报的错误贴出来看看
java.lang.NullPointerException
at hrms.user.User.ChkLogin(User.java:128)
at org.apache.jsp.ChkLogin_jsp._jspService(ChkLogin_jsp.java:108)
麻烦再看看!
谢谢!~
java.lang.NullPointerException
java.lang.NullPointerException
at hrms.user.User.ChkLogin(User.java:128)
at org.apache.jsp.ChkLogin_jsp._jspService(ChkLogin_jsp.java:108)
麻烦再看看!
谢谢!~
java.lang.NullPointerException
java.lang.NullPointerException
at hrms.user.User.ChkLogin(User.java:128)
at org.apache.jsp.ChkLogin_jsp._jspService(ChkLogin_jsp.java:108)
麻烦再看看!
谢谢!~
检查下你User.java 中128行代码调用的什么??