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
> >
> >
> >
>
> This message contains information that may be privileged or confidential
> and is the property of the Capgemini Group. It is intended only for the
> person to whom it is addressed. If you are not the intended recipient, you
> are not authorized to read, print, retain, copy, disseminate, distribute,
> or use this message or any part thereof. If you receive this message in
> error, please notify the sender immediately and delete all copies of this
> message.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [EMAIL PROTECTED]
> For additional commands, e-mail: [EMAIL PROTECTED]
>
>
