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) --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]