I don't know of any way that could happen. :-/
On 12/7/05, Jeff Drew <[EMAIL PROTECTED]> wrote:
> I use a String as the argument. It's crude, but I thought it would never
> break.
>
> static final Logger logger = Logger.getLogger("LoggerName");
>
> Is it possible for the String to become null?
>
>
> On 12/7/05, Nicolas De Loof <[EMAIL PROTECTED]> wrote:
> >
> >
> > your Nullpointer is thrown in CategoryKey constructor :
> > CategoryKey(String name) {
> > this.name = name;
> > > hashCache = name.hashCode();
> > }
> >
> > This sounds like you try to create a logger with a null category name.
> >
> > To avoid this, you may use the class to build your loggers :
> > private static Logger logger = Logger.getLogger(MyClass.class);
> >
> > Nico
> >
> > Jeff Drew a écrit :
> >
> > >My application had an error in the log4j code. It is likely a problem in
> > my
> > >code, but I'd appreciate any insights into what this particular error
> > >implies. This code has been running for quite without seeing this
> > error.
> > >
> > >java.lang.NullPointerException
> > > at java.lang.String.intern()Ljava.lang.String;(Unknown Source)
> > > at org.apache.log4j.CategoryKey.<init>(Ljava.lang.String;)V(
> > >CategoryKey.java:20)
> > > at org.apache.log4j.Hierarchy.getLogger(Ljava.lang.String
> > >;Lorg.apache.log4j.spi.LoggerFactory;)Lorg.apache.log4j.Logger;(
> > >Hierarchy.java:252)
> > > at org.apache.log4j.Hierarchy.getLogger(Ljava.lang.String
> > >;)Lorg.apache.log4j.Logger;(Hierarchy.java:233)
> > >
> > >Thanks
> > >
> > >
> > >
> >
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James Stauffer
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