报错！请大家帮我看看出现这种错误可能的原因。在线等待！！！

Question

'catch' without 'try'.
括号对应,找括号.

Answer 1

我给你找到了,是这个少了一半,给我分!
if(!exist){
String errors1="用户名不存在,或者密码错误,请重新输入!";
session.setAttribute("errors1",errors1);
response.sendRedirect("search.jsp");
return;

Answer 2

late now
that is right

Answer 3

java.lang.NullPointerException
at _test._test__jsp._jspService(/test/test.jsp:9)
at com.caucho.jsp.JavaPage.service(JavaPage.java:75)
at com.caucho.jsp.Page.subservice(Page.java:497)
at com.caucho.server.http.FilterChainPage.doFilter(FilterChainPage.java:182)
at com.caucho.server.http.Invocation.service(Invocation.java:312)
at com.caucho.server.http.CacheInvocation.service(CacheInvocation.java:135)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:244)
at com.caucho.server.http.HttpRequest.handleConnection(HttpRequest.java:163)
at com.caucho.server.TcpConnection.run(TcpConnection.java:137)
at java.lang.Thread.run(Thread.java:536)
完,加上之后又出现这种错误了!:(55555555~~~~~~~~~~~~~~~~

Answer 4

空指针错误,找第九行test/test.jsp:9