This happens on hotdeploy only. Tomcat 6.0.16, jdk 1.6.0. The logging call
is just in a normal method that looks like:
private Logger logger = Logger.getLogger(MyClass.class);
public void mymethod(String mystring) {
logger.info(mystring + " did something");
}
I might grab the source and set a breakpoint in log4j to see what the issue is
but if someone already knows and can point me in the right direction that would
be appreciated.
Any ideas?
Thanks,
Fu-Tung
java.lang.NullPointerException
at org.apache.log4j.NDC.get(NDC.java:201)
at org.apache.log4j.spi.LoggingEvent.getNDC(LoggingEvent.java:229)
at org.apache.log4j.helpers.PatternParser$BasicPatternConverter.convert(
PatternParser.java:393)
at org.apache.log4j.helpers.PatternConverter.format(PatternConverter.jav
a:56)
at org.apache.log4j.PatternLayout.format(PatternLayout.java:495)
at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:292)
at org.apache.log4j.WriterAppender.append(WriterAppender.java:150)
at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221)
at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders
(AppenderAttachableImpl.java:57)
at org.apache.log4j.Category.callAppenders(Category.java:194)
at org.apache.log4j.Category.forcedLog(Category.java:379)
at org.apache.log4j.Category.info(Category.java:654)
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