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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