Steve,
Which version of log4j is this? It's not log4j 1.1.3 is it? Regards, Ceki
At 22:32 24.07.2001 -0700, Steve Duran wrote:
> Greetings,
>
> I am reporting an uncaught exception as indicated on
>the FAQ page. Log4j is consistently throwing this
>exception from different areas in the code, but the
>stack trace within Log4j is always the same as shown
>below. Apparently it doesn't get thrown on our unix
>server, but is consistently thrown on our linux
>machines. I tried making the Category object a
>private member variable, but it hasn't had any effect.
>
> I'm thinking that this is a threading problem, and
>I've modified the forcedLog method to make it
>synchronized. Tomorrow we'll see if it corrects the
>problem. Why isn't this method synchronized in the
>distribution release?
It won't have any effect. Why do you think forcedLog should be synchronized?
> Steve
>
>
>Stack Trace:
>java.lang.NullPointerException:
> at
>org.apache.log4j.FileAppender.subAppend(FileAppender.java:441)
> at
>org.apache.log4j.RollingFileAppender.subAppend(RollingFileAppender.java:258)
>
> at
>org.apache.log4j.FileAppender.append(FileAppender.java:219)
> at
>org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)
> at
>org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:56)
>
> at
>org.apache.log4j.Category.callAppenders(Category.java:258)
> at
>org.apache.log4j.Category.forcedLog(Category.java:454)
> at
>org.apache.log4j.Category.debug(Category.java:315)
> at
>
>
>
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Ceki Gülcü - http://qos.ch
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