Jetty Server errors

The core of jetty server

https://www.eclipse.org/jetty/
Solution coverage:
Summary coverage:

DescriptionException TypeEntry MethodWeb pages

ServletHandler$Chain.doFilter() has thrown an IllegalStateException

java.lang.IllegalStateException
10 frames hidden
org.mortbay.jetty.servlet.ServletHandler$Chain.doFilter
1Web pages
IllegalStateExceptionServletHandler$Chain.doFilter1
Package namePatterns foundSolution coverageSummary coverage
org.mortbay.jetty.servlet247
org.mortbay.jetty149
org.mortbay.jetty.webapp95
org.mortbay.jetty.handler39
org.mortbay.xml26
org.mortbay.io.nio19
org.mortbay.jetty.bio12
org.mortbay.jetty.security8
org.mortbay.jetty.nio6
org.mortbay.io.bio2
org.mortbay.resource2
org.mortbay.io1
Package nameClass namePatterns foundSolution coverageSummary coverage
org.mortbay.jetty.servletServletHandler$CachedChain89
org.mortbay.jetty.servletServletHolder77
org.mortbay.jetty.servletHolder24
org.mortbay.jetty.servletServletHandler23
org.mortbay.jetty.servletContext14
org.mortbay.jetty.servletDispatcher4
org.mortbay.jetty.servletFilterHolder3
org.mortbay.jetty.servletDispatcher$ForwardAttributes3
org.mortbay.jetty.servletAbstractSessionManager$Session3
org.mortbay.jetty.servletAbstractSessionManager2
org.mortbay.jetty.servletServletHandler$Chain2
org.mortbay.jetty.servletDefaultServlet1
org.mortbay.jetty.servletPathMap1
org.mortbay.jetty.servletSessionHandler1
Package nameClass nameMethod namePatterns foundSolution coverage
org.mortbay.jetty.servletServletHandler$ChaindoFilter2
Package nameClass nameMethod nameException TypePatterns foundSolution coverage
org.mortbay.jetty.servletServletHandler$ChaindoFilterIllegalStateException1
org.mortbay.jetty.servletServletHandler$ChaindoFilterNullPointerException1