https://issues.apache.org/bugzilla/show_bug.cgi?id=51656
Bug #: 51656
Summary: NullPointerException in host-manager application (in
javax.servlet.GenericServlet.getServletContext during
logging)
Product: Tomcat 7
Version: 7.0.19
Platform: PC
OS/Version: Linux
Status: NEW
Severity: normal
Priority: P2
Component: Catalina
AssignedTo: dev@tomcat.apache.org
ReportedBy: d.tonho...@m-plify.com
Classification: Unclassified
Starting the host application of Tomcat 7.0.19 gives an NPE
(Dammit this description window is too narrow...)
java.lang.NullPointerException
at javax.servlet.GenericServlet.getServletContext(GenericServlet.java:125)
at javax.servlet.GenericServlet.log(GenericServlet.java:190)
at org.apache.catalina.manager.host.
HTMLHostManagerServlet.list(HTMLHostManagerServlet.java:234)
at org.apache.catalina.manager.host.
HTMLHostManagerServlet.doGet(HTMLHostManagerServlet.java:106)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:621)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
at org.apache.catalina.core.
ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:304)
at org.apache.catalina.core.
ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.filters.
CsrfPreventionFilter.doFilter(CsrfPreventionFilter.java:187)
at org.apache.catalina.core.
ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
at org.apache.catalina.core.
ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
at org.apache.catalina.core.
StandardWrapperValve.invoke(StandardWrapperValve.java:224)
at org.apache.catalina.core.
StandardContextValve.invoke(StandardContextValve.java:175)
at org.apache.catalina.authenticator.
AuthenticatorBase.invoke(AuthenticatorBase.java:572)
at org.apache.catalina.core.
StandardHostValve.invoke(StandardHostValve.java:164)
at org.apache.catalina.valves.
ErrorReportValve.invoke(ErrorReportValve.java:100)
at org.apache.catalina.core.
StandardEngineValve.invoke(StandardEngineValve.java:118)
at org.apache.catalina.valves.
AccessLogValve.invoke(AccessLogValve.java:851)
at org.apache.catalina.connector.
CoyoteAdapter.service(CoyoteAdapter.java:405)
at org.apache.coyote.http11.
Http11Processor.process(Http11Processor.java:278)
at org.apache.coyote.
AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:515)
at org.apache.tomcat.util.net.
JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:302)
at java.util.concurrent.
ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.
ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
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