Bug 14926 - Throw an NullPointerException!
Summary: Throw an NullPointerException!
Status: RESOLVED WONTFIX
Alias: None
Product: Log4j - Now in Jira
Classification: Unclassified
Component: Appender (show other bugs)
Version: 1.1
Hardware: Sun Solaris
: P3 blocker
Target Milestone: ---
Assignee: log4j-dev
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2002-11-28 10:54 UTC by Yohei Horikawa
Modified: 2004-11-16 19:05 UTC (History)
0 users



Attachments

Note You need to log in before you can comment on or make changes to this bug.
Description Yohei Horikawa 2002-11-28 10:54:01 UTC
We use log4j1.1.3 under Solaris8 with tomcat4.03 and apache1.3.22 and 
jdk13.1_03 and struts1.0.2 .
Recently, We met Difficult Situation and We reach a dead end.

the problem is throwing an NullPointerException when trying to print the 
stacktrace.

##############
#It's source.
#####################
catch(Exception e){
    category.debug("throw an Exception!",e);
}
###########
#It's result in file for log.
##################################
2002-11-28 21:14:00,368 [className] DEBUG - throw an Exception!

A stacktrace is not printed in file for log.

###########
#It's stacktrace on InternetExplorer
#####################################
java.lang.NullPointerException
	at java.io.Writer.write(Writer.java:124)
	at org.apache.log4j.helpers.QuietWriter.write(QuietWriter.java:39)
	at org.apache.log4j.WriterAppender.subAppend(WriterAppender.java:302)
	at org.apache.log4j.DailyRollingFileAppender.subAppend
(DailyRollingFileAppender.java:378)
	at org.apache.log4j.WriterAppender.append(WriterAppender.java:157)
	at org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java:251)
	at org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders
(AppenderAttachableImpl.java:57)
	at org.apache.log4j.Category.callAppenders(Category.java:255)
	at org.apache.log4j.Category.forcedLog(Category.java:445)
	at org.apache.log4j.Category.debug(Category.java:330)
	at jp.mapfan.mft.service.struts.ActionBase.debug(ActionBase.java:83)
	at 
jp.mapfan.mft.service.struts.CreditUnavailableListAction.creditUnavailableSearch
(CreditUnavailableListAction.java:364)
	at jp.mapfan.mft.service.struts.CreditUnavailableListAction.perform
(CreditUnavailableListAction.java:93)
	at org.apache.struts.action.ActionServlet.processActionPerform
(ActionServlet.java:1787)
	at org.apache.struts.action.ActionServlet.process
(ActionServlet.java:1586)
	at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:247)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
	at jp.mapfan.mft.util.filter.SetCharacterEncodingFilter.doFilter
(SetCharacterEncodingFilter.java:173)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter
(ApplicationFilterChain.java:213)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter
(ApplicationFilterChain.java:193)
	at org.apache.catalina.core.StandardWrapperValve.invoke
(StandardWrapperValve.java:243)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContextValve.invoke
(StandardContextValve.java:190)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.core.StandardContext.invoke
(StandardContext.java:2343)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.valves.ErrorDispatcherValve.invoke
(ErrorDispatcherValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.valves.ErrorReportValve.invoke
(ErrorReportValve.java:170)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.valves.AccessLogValve.invoke
(AccessLogValve.java:468)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:564)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.catalina.core.StandardEngineValve.invoke
(StandardEngineValve.java:174)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.core.StandardPipeline.invoke
(StandardPipeline.java:472)
	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
	at org.apache.ajp.tomcat4.Ajp13Processor.process
(Ajp13Processor.java:429)
	at org.apache.ajp.tomcat4.Ajp13Processor.run(Ajp13Processor.java:495)
	at java.lang.Thread.run(Thread.java:479)
Comment 1 Ceki Gulcu 2003-02-18 17:36:26 UTC
have you tried using log4j 1.2.x as log4j 1.1.x is no longer actively  
maintained... If changing to 1.2 does not help, then please re-open this bug.