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Posted to dev@tomcat.apache.org by bu...@apache.org on 2011/02/26 16:03:43 UTC

DO NOT REPLY [Bug 50835] New: NPE on AccessLogValve.getTimeZone

https://issues.apache.org/bugzilla/show_bug.cgi?id=50835

           Summary: NPE on AccessLogValve.getTimeZone
           Product: Tomcat 6
           Version: 6.0.32
          Platform: Macintosh
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Catalina
        AssignedTo: dev@tomcat.apache.org
        ReportedBy: based@free.fr


26 févr. 2011 15:43:54 org.apache.catalina.connector.CoyoteAdapter service
.lang.NullPointerException
    at
org.apache.catalina.valves.AccessLogValve.getTimeZone(AccessLogValve.java:764)
    at
org.apache.catalina.valves.AccessLogValve.access$800(AccessLogValve.java:122)
    at org.GRAVE: Une exception ou une erreur s'est produite dans le conteneur
durant le traitement de la requête
javaapache.catalina.valves.AccessLogValve$DateAndTimeElement.addElement(AccessLogValve.java:1008)
    at org.apache.catalina.valves.AccessLogValve.log(AccessLogValve.java:575)
    at
org.apache.catalina.core.ContainerBase.logAccess(ContainerBase.java:1214)
    at
org.apache.catalina.connector.CoyoteAdapter.postParseRequest(CoyoteAdapter.java:562)
    at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:296)
    at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
    at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
    at java.lang.Thread.run(Thread.java:680)


server.xml change:
   <Context path="/aa" docBase="aa" debug="true" reloadable="true"
crossContext="true" >
            <Valve className="org.apache.catalina.valves.AccessLogValve"
         prefix="localhost_access_aa1_log." suffix=".txt"
         pattern="common"/>
         </Context>

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DO NOT REPLY [Bug 50835] NPE on AccessLogValve.getTimeZone

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50835

--- Comment #2 from based <ba...@free.fr> 2011-02-26 11:41:40 EST ---
I cannot reproduce it.

In what circumstances this was observed? Are there other errors and warnings or
interesting messages in the logs? Did tomcat start successfully?

> I tried to deployed a new apllication with H2 database inside.
I had problem with 
reloadable="true"and 
a catalina defined context for the same application:

aa.xml
<Context path="aa" reloadable="true" docBase="M/webapp" workDir="M/work" >
    <Logger className="org.apache.catalina.logger.SystemOutLogger"
verbosity="4" timestamp="true"/>
    <Loader className="org.apache.catalina.loader.DevLoader" reloadable="true"
debug="1" useSystemClassLoaderAsParent="false" />
</Context>


>From the source, it can happen only of AccessLogValve#timezone is null, but
that field is initialized in AccessLogValve#start().

Is it possible that the AccessLogValve#log() call happened before #start() was
called? Maybe context itself failed to start and thus initialization did not
complete?



(BTW, there should be at least one WARNING there, because there is no "debug"
attribute in a Context.)

> Sorry, it was a configuration issue with the aa.xml in catalina/localhost folder, it is now working as expected.

You can close the issue, if you want.

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DO NOT REPLY [Bug 50835] NPE on AccessLogValve.getTimeZone

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50835

Chuck Caldarale <ch...@unisys.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
         Resolution|                            |WORKSFORME

--- Comment #3 from Chuck Caldarale <ch...@unisys.com> 2011-02-26 11:48:41 EST ---
(In reply to comment #2)
> aa.xml
> <Context path="aa" reloadable="true" docBase="M/webapp" workDir="M/work" >
>     <Logger className="org.apache.catalina.logger.SystemOutLogger"
> verbosity="4" timestamp="true"/>
>     <Loader className="org.apache.catalina.loader.DevLoader" reloadable="true"
> debug="1" useSystemClassLoaderAsParent="false" />
> </Context>

You really need to spend some time with the current Tomcat documentation.  For
example, the <Logger> element has not been used in many years.  You cannot
blindly copy configuration settings from older versions of Tomcat into a newer
one and expect anything close to reliable results.

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DO NOT REPLY [Bug 50835] NPE on AccessLogValve.getTimeZone

Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=50835

Konstantin Kolinko <kn...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         OS/Version|                            |All

--- Comment #1 from Konstantin Kolinko <kn...@gmail.com> 2011-02-26 11:04:19 EST ---
I cannot reproduce it.

In what circumstances this was observed? Are there other errors and warnings or
interesting messages in the logs? Did tomcat start successfully?



>From the source, it can happen only of AccessLogValve#timezone is null, but
that field is initialized in AccessLogValve#start().

Is it possible that the AccessLogValve#log() call happened before #start() was
called? Maybe context itself failed to start and thus initialization did not
complete?

(BTW, there should be at least one WARNING there, because there is no "debug"
attribute in a Context.)

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