Hi There, I am having a problem with my application. When I develop the application to one of the test server, I got the following error. But I also tested on three other servers. It worked fine. Any one know what it is wrong? Is the log4j set up at the tomcat server wrong? and where is it wrong if know?
many thanks Zhanyang --------------------The error message----------- HTTP Status 500 - type Exception report message description The server encountered an internal error () that prevented it from fulfilling this request. exception java.lang.NullPointerException org.apache.log4j.spi.LocationInfo.<init>(LocationInfo.java:95) org.apache.log4j.spi.LoggingEvent.getLocationInformation(LoggingEvent.java:182) org.apache.log4j.helpers.PatternParser$LocationPatternConverter.convert(PatternParser.java:475) org.apache.log4j.helpers.PatternConverter.format(PatternConverter.java:56) org.apache.log4j.PatternLayout.format(PatternLayout.java:495) org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:292) org.apache.log4j.WriterAppender.append(WriterAppender.java:150) org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:221) org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57) org.apache.log4j.Category.callAppenders(Category.java:187) org.apache.log4j.Category.forcedLog(Category.java:372) org.apache.log4j.Category.log(Category.java:864) org.apache.commons.logging.impl.Log4JLogger.debug(Log4JLogger.java:110) org.iedb.eptopdbtool.EpToPDBAdminServlet.service(EpToPDBAdminServlet.java:52) javax.servlet.http.HttpServlet.service(HttpServlet.java:802) note The full stack trace of the root cause is available in the Apache Tomcat/5.5.17 logs. Zhanyang/SDSC --------------------------------------------------------------------- To start a new topic, e-mail: users@tomcat.apache.org To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]