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  1. Marmotta
  2. MARMOTTA-525

HTTP 500 / Nullpointer when no Accept header is provided

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    Details

    • Type: Bug
    • Status: Closed
    • Priority: Major
    • Resolution: Fixed
    • Affects Version/s: 3.2.1
    • Fix Version/s: 3.3.0
    • Component/s: Platform
    • Labels:

      Description

      For requests without Accept header one gets the following response:

      GET /ldp/ttt HTTP/1.1
      User-Agent: curl/7.35.0
      Host: localhost:8181
      
      HTTP/1.1 500 Internal Server Error
      Server: Apache-Coyote/1.1
      Content-Type: text/html;charset=utf-8
      Content-Language: en
      Content-Length: 7734
      Date: Sun, 31 Aug 2014 21:30:20 GMT
      Connection: close
      
      <html><head><title>Apache Tomcat/7.0.47 - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - java.lang.NullPointerException</h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u>java.lang.NullPointerException</u></p><p><b>description</b> <u>The server encountered an internal error that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException
      	org.jboss.resteasy.core.ExceptionHandler.handleApplicationException(ExceptionHandler.java:76)
      	org.jboss.resteasy.core.ExceptionHandler.handleException(ExceptionHandler.java:212)
      	org.jboss.resteasy.core.SynchronousDispatcher.writeException(SynchronousDispatcher.java:149)
      	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:372)
      	org.jboss.resteasy.core.SynchronousDispatcher.invokePropagateNotFound(SynchronousDispatcher.java:217)
      	org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:224)
      	org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:62)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:186)
      	org.apache.marmotta.platform.core.filters.ModuleResourceFilter.doFilter(ModuleResourceFilter.java:163)
      	org.apache.marmotta.platform.core.filters.ModuleResourceFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.core.filters.MarmottaServerNameFilter.doFilter(MarmottaServerNameFilter.java:104)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.core.filters.TemplatingFilter.doFilter(TemplatingFilter.java:176)
      	org.apache.marmotta.platform.core.filters.TemplatingFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.security.filters.MarmottaAccessControlFilter.doFilter(MarmottaAccessControlFilter.java:142)
      	org.apache.marmotta.platform.security.filters.MarmottaAccessControlFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.user.filters.MarmottaAuthenticationFilter.doFilter(MarmottaAuthenticationFilter.java:163)
      	org.apache.marmotta.platform.user.filters.MarmottaAuthenticationFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter.doFilter(MarmottaResourceFilter.java:132)
      	org.apache.marmotta.platform.core.servlet.MarmottaPreStartupFilter.doFilter(MarmottaPreStartupFilter.java:106)
      	com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:169)
      	com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:232)
      	org.apache.marmotta.platform.core.servlet.MarmottaOptionsFilter.doFilter(MarmottaOptionsFilter.java:83)
      </pre></p><p><b>root cause</b> <pre>java.lang.NullPointerException
      	org.apache.marmotta.platform.ldp.webservices.LdpWebService.buildGetResponse(LdpWebService.java:118)
      	org.apache.marmotta.platform.ldp.webservices.LdpWebService.GET(LdpWebService.java:90)
      	org.apache.marmotta.platform.ldp.webservices.LdpWebService$Proxy$_$$_WeldClientProxy.GET(Unknown Source)
      	sun.reflect.GeneratedMethodAccessor61.invoke(Unknown Source)
      	sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	java.lang.reflect.Method.invoke(Method.java:606)
      	org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)
      	org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)
      	org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)
      	org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:237)
      	org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)
      	org.jboss.resteasy.core.SynchronousDispatcher.invokePropagateNotFound(SynchronousDispatcher.java:217)
      	org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:224)
      	org.jboss.resteasy.plugins.server.servlet.FilterDispatcher.doFilter(FilterDispatcher.java:62)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:186)
      	org.apache.marmotta.platform.core.filters.ModuleResourceFilter.doFilter(ModuleResourceFilter.java:163)
      	org.apache.marmotta.platform.core.filters.ModuleResourceFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.core.filters.MarmottaServerNameFilter.doFilter(MarmottaServerNameFilter.java:104)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.core.filters.TemplatingFilter.doFilter(TemplatingFilter.java:176)
      	org.apache.marmotta.platform.core.filters.TemplatingFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.security.filters.MarmottaAccessControlFilter.doFilter(MarmottaAccessControlFilter.java:142)
      	org.apache.marmotta.platform.security.filters.MarmottaAccessControlFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.user.filters.MarmottaAuthenticationFilter.doFilter(MarmottaAuthenticationFilter.java:163)
      	org.apache.marmotta.platform.user.filters.MarmottaAuthenticationFilter$Proxy$_$$_WeldClientProxy.doFilter(Unknown Source)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter$LMFFilterChain.doFilter(MarmottaResourceFilter.java:181)
      	org.apache.marmotta.platform.core.servlet.MarmottaResourceFilter.doFilter(MarmottaResourceFilter.java:132)
      	org.apache.marmotta.platform.core.servlet.MarmottaPreStartupFilter.doFilter(MarmottaPreStartupFilter.java:106)
      	com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:169)
      	com.thetransactioncompany.cors.CORSFilter.doFilter(CORSFilter.java:232)
      	org.apache.marmotta.platform.core.servlet.MarmottaOptionsFilter.doFilter(MarmottaOptionsFilter.java:83)
      </pre></p><p><b>note</b> <u>The full stack trace of the root cause is available in the Apache Tomcat/7.0.47 logs.</u></p><HR size="1" noshade="noshade"><h3>Apache Tomcat/7.0.47</h3></body></html>
      

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            • Assignee:
              jakob Jakob Frank
              Reporter:
              reto Reto Gmür
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              Dates

              • Created:
                Updated:
                Resolved: