DO NOT REPLY [Bug 27371] New: - java.lang.ThreadDeath caused by log4j when reloading Tomcat app

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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=27371

java.lang.ThreadDeath caused by log4j when reloading Tomcat app

           Summary: java.lang.ThreadDeath caused by log4j when reloading
                    Tomcat app
           Product: Log4j
           Version: 1.2
          Platform: PC
        OS/Version: Linux
            Status: NEW
          Severity: Major
          Priority: Other
         Component: Layout
        AssignedTo: log4j-dev@jakarta.apache.org
        ReportedBy: mguillemot@yahoo.fr


In Tomcat 5, I get a java.lang.ThreadDeath exception when I reload my
application.  The origin lies in the log4j library:

java.lang.ThreadDeath
        at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1270)
        at
org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1230)
        at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:315)
        at org.apache.log4j.HTMLLayout.format(HTMLLayout.java:129)
        at org.apache.log4j.net.SMTPAppender.sendBuffer(Unknown Source)
        at org.apache.log4j.net.SMTPAppender.append(Unknown Source)
        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:187)
        at org.apache.log4j.Category.forcedLog(Category.java:372)
        at org.apache.log4j.Category.log(Category.java:864)
        at org.apache.commons.logging.impl.Log4JLogger.error(Log4JLogger.java:192)
        at
org.apache.catalina.session.StandardManager.start(StandardManager.java:706)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4226)
        at
org.apache.catalina.core.StandardContext.reload(StandardContext.java:2990)
        at
org.apache.catalina.manager.ManagerServlet.reload(ManagerServlet.java:1019)
        at org.apache.catalina.manager.ManagerServlet.doGet(ManagerServlet.java:377)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:743)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:856)
        at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:284)
        at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:204)
        at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:257)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at
org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:245)
        at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:199)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:587)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:184)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:164)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:149)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:156)
        at
org.apache.catalina.core.StandardValveContext.invokeNext(StandardValveContext.java:151)
        at
org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:567)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:972)
        at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:206)
        at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:833)
        at
org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:732)
        at
org.apache.tomcat.util.net.TcpWorkerThread.runIt(PoolTcpEndpoint.java:619)
        at
org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:688)
        at java.lang.Thread.run(Thread.java:536)

According to Tomcat developers, it is "This is the old issue of log4j trying to
use the previous classloader" (cf bug #26372).

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