Thread.run() has thrown a NullPointerException

We found this prefix in 4 webpages.
MapChildren (4)Typical messages (1)TraceDetailed Map
  1. java.lang.NullPointerException
    1.   at org.gjt.mm.mysql.PreparedStatement.executeQuery()
    2.   at ielts.Registration.findName()
    3.   at ielts.register__jsp._jspService()
    4.   at com.caucho.jsp.JavaPage.service()
    5.   at com.caucho.jsp.Page.subservice()
    6.   at com.caucho.server.http.FilterChainPage.doFilter()
    7.   at com.caucho.server.http.Invocation.service()
    8.   at com.caucho.server.http.CacheInvocation.service()
    9.   at com.caucho.server.http.HttpRequest.handleRequest()
    10.   at com.caucho.server.http.HttpRequest.handleConnection()
    11.   at com.caucho.server.TcpConnection.run()
    12.   at java.lang.Thread.run()
  1. Problem in JSP>JavaBean>mysql

    First:15 years ago
    Last:2 years ago
    Author:843834
  2. Problem in JSP>JavaBean>mysql

    First:15 years ago
    Last:2 years ago
    Author:843854
  3. Problem in JSP>JavaBean>mysql

    First:15 years ago
    Last:2 years ago
    Author:807594
  4. Problem in JSP>mysql

    First:15 years ago
    Last:2 years ago
    Author:843798
MessageNumber of crashes
<No message>4
  1. java.lang.NullPointerException
    1.   at org.gjt.mm.mysql.PreparedStatement.executeQuery()
    2.   at ielts.Registration.findName()
    3.   at ielts.register__jsp._jspService()
    4.   at com.caucho.jsp.JavaPage.service()
    5.   at com.caucho.jsp.Page.subservice()
    6.   at com.caucho.server.http.FilterChainPage.doFilter()
    7.   at com.caucho.server.http.Invocation.service()
    8.   at com.caucho.server.http.CacheInvocation.service()
    9.   at com.caucho.server.http.HttpRequest.handleRequest()
    10.   at com.caucho.server.http.HttpRequest.handleConnection()
    11.   at com.caucho.server.TcpConnection.run()
    12.   at java.lang.Thread.run()