java.lang.NullPointerException

Coderanch | Sneha Ganatra | 6 years ago
tip
Do you know that we can give you better hits? Get more relevant results from Samebug’s stack trace search.

Root Cause Analysis

  1. java.lang.NullPointerException

    No message provided

    at org.w3c.css.css.StyleSheetGenerator.print()
  2. org.w3c.css
    CssValidator.doGet
    1. org.w3c.css.css.StyleSheetGenerator.print(StyleSheetGenerator.java:474)
    2. org.w3c.css.servlet.CssValidator.handleRequest(CssValidator.java:770)
    3. org.w3c.css.servlet.CssValidator.doGet(CssValidator.java:393)
    3 frames
  3. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:627)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:729)
    2 frames
  4. Glassfish Core
    CoyoteAdapter.service
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
    3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
    4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:172)
    5. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
    6. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
    7. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
    8. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
    8 frames
  5. Grizzly HTTP
    LeaderFollowerWorkerThread.runIt
    1. org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:873)
    2. org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
    3. org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
    4. org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
    4 frames
  6. Tomcat Util
    ThreadPool$ControlRunnable.run
    1. org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
    1 frame
  7. Java RT
    Thread.run
    1. java.lang.Thread.run(Unknown Source)
    1 frame