java.lang.NullPointerException

codeproject.com | 4 weeks ago
tip
Click on the to mark the solution that helps you, Samebug will learn from it.
As a community member, you’ll be rewarded for you help.
  1. 0

    java.lang.ClassNotFoundException:org.apache.tika.sax.BodyContentHandler

    Stack Overflow | 2 weeks ago | Shankramma Patil
    java.lang.ClassNotFoundException: org.apache.tika.sax.BodyContentHandler
  2. Speed up your debug routine!

    Automated exception search integrated into your IDE

  3. 0

    Upload image file into database using java servlet, jdbc and mysql

    blogspot.com | 8 months ago
    java.lang.AbstractMethodError: com.mysql.jdbc.PreparedStatement.setBlob(ILjava/io/InputStream;)V

    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at UploadServlet.doPost()
    2. Unknown
      UploadServlet.doPost
      1. UploadServlet.doPost(UploadServlet.java)
      1 frame
    3. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java)
      2 frames
    4. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java)
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java)
      8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java)
      9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java)
      10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java)
      10 frames
    5. Grizzly HTTP
      JIoEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java)
      3. org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java)
      3 frames
    6. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java)
      3. java.lang.Thread.run(Thread.java)
      3 frames