Re: [Fwd: tomcat 4.1.27 log4j 1.2.8 struts 1.1 = crash on logger.debug()]

Sun, 14 Sep 2003 08:11:41 -0700


I'm still unable to comprehend why you have jboss-specific jars in Tomcat???

Also, the only thing that needs to go in the common/endorsed directory is the XML parser. "endorsed" means that it overrides existing libraries in the JDK. Only the xerces jar needs to go in common/endorsed because it contains endorsed libraries such as org.xml.*, javax.xml.*, and org.w3c.dom.*. Make sure to remove xmlParserAPIs.jar and xercesImpl.jar if you put xerces-1.4.4.jar there.

Any other jars that are needed can go in either common/lib or shared/lib. shared/lib makes libraries available to apps, but not the container itself. common/lib is available to both the container and apps. If the container doesn't need to see it, you probably shouldn't put it there.

Make sure another version of Log4j.jar wasn't added to JAVA_HOME/lib/ext or something like that. The obvious problem is that another version of the log4j library is somewhere on the classpath. It could be incorporated in any of the jars you have such as the jboss jars. Make sure they don't have org.apache.log4j.* in them.

Oh.... there could be one other thing. Since Tomcat-4.1.27 contains commons-logging in common/lib, you might need to move log4j.jar to common/lib and remove log4j.jar and commons-logging.jar from WEB-INF/lib. If this was the problem, it would be the fault of commons-logging, not log4j. It uses some funky class loading gimmicks that mess a lot of things up.

Jake

At 03:43 PM 9/13/2003 -0500, you wrote:
OK,

I moved out several jar files but still get the same log4j error.

In WEB-INF/lib I now have.

    ae.jar  (mine no log4j stuff in here I checked )
     ae_ejb.jar (mine no log4j stuff in here I checked )
     beandt.jar  (JBuilder log4j stuff in here)
     commons-beanutils.jar (struts1.1\contrib\struts-el\lib)
     commons-collections.jar (struts1.1\contrib\struts-el\lib)
     commons-digester.jar (struts1.1\contrib\struts-el\lib)
     commons-logging.jar (struts1.1\contrib\struts-el\lib)
     dbswing.jar  (JBuilder no log4j stuff in here)
     dx.jar   (JBuilder no log4j stuff in here)
     jstl.jar (struts1.1\contrib\struts-el\lib)
     log4j-1.2.8.jar (struts1.1\contrib\struts-el\lib)
     standard.jar (struts1.1\contrib\struts-el\lib)
     struts.jar (struts1.1\contrib\struts-el\lib)
     struts-el.jar   (struts1.1\contrib\struts-el\lib)

In CATALINA_HOME/common/endorsed I have

     jboss-client.jar  (Jboss 3.0.4)
     jboss-common.jar  (Jboss 3.0.4)
     jboss-j2ee.jar  (Jboss 3.0.4 also tried with out this file)
     jbosssx-client.jar  (Jboss 3.0.4)
     jnp-client.jar (Jboss 3.0.4)
     jnpserver.jar (Jboss 3.0.4)
     xerces.jar (1.4.4)
     commons-httpclient-2.0-rc1.jar

Thanks again,
Scott

>
> You can't put endorsed libraries under WEB-INF/lib. This includes both
> JDK endorsed libraries (such as javax.xml.*, org.w3c.dom.*, org.xml.*)
> and libraries which Tomcat treats specially such as the servlet API and
> xml parsers (Xerces). Why do you need the j2ee jar there anyway?
> Tomcat provides that for you. And you shouldn't need many of the other
> jars you have in there such as the jboss jars and the xerces1 jar (put
> that in CATALINA_HOME/common/endorsed in place of the existing xerces
> jars).
>
> You are drowning in libraries. You need to figure out what you actually
> need there and get rid of the rest.
>
> Jake
>
> At 02:19 PM 9/13/2003 -0500, you wrote:
>>Hey I think I found something that help!
>>
>>When tomcat loads the jar files it prints the following message;
>>
>>WebapClassLoader:
>>validateJarFile<C:\java\jakarta-tomcat-4.1.27\webapps\ae_http\WEB-INF\li b\j2ee.jar>
>> - jar not loaded. See Servlet Spec 2.3, section 9.7.2. Offending class:
>> javax/servlet/Servlet.class
>>
>>I am digging to try to figure out why this is,
>>
>>Thanks again,
>>Scott
>>
>> > Sure JBuilder5,
>> > tomcat 4.1.27 log4j 1.2.8 struts 1.1
>> > Jdk 1.3.0_02
>> >
>> > Here is a list of the jar files in my WEB-INF/lib
>> >
>> > ae.jar (mine no log4j stuff in here I checked )
>> > ae_ejb.jar (mine no log4j stuff in here I checked )
>> > beandt.jar (JBuilder log4j stuff in here)
>> > commons-beanutils.jar (struts1.1\contrib\struts-el\lib)
>> > commons-collections.jar (struts1.1\contrib\struts-el\lib)
>> > commons-digester.jar (struts1.1\contrib\struts-el\lib)
>> > commons-logging.jar (struts1.1\contrib\struts-el\lib)
>> > dbswing.jar (JBuilder no log4j stuff in here)
>> > dx.jar (JBuilder no log4j stuff in here)
>> > j2ee.jar (Sun 1.3.1)
>> > jboss-client.jar (Jboss 3.0.4)
>> > jboss-common.jar (Jboss 3.0.4)
>> > jboss-j2ee.jar (Jboss 3.0.4)
>> > jbosssx-client.jar (Jboss 3.0.4)
>> > jnp-client.jar (Jboss 3.0.4)
>> > jnpserver.jar (Jboss 3.0.4)
>> > jstl.jar (struts1.1\contrib\struts-el\lib)
>> > log4j-1.2.8.jar (struts1.1\contrib\struts-el\lib)
>> > standard.jar (struts1.1\contrib\struts-el\lib)
>> > struts.jar (struts1.1\contrib\struts-el\lib)
>> > struts-el.jar (struts1.1\contrib\struts-el\lib)
>> > xerces.jar (1.4.4)
>> >
>> > The WEB-INF/classes directory has only classes in the com namespace.
>> >
>> > Also I did a search for log4j in my jakarta-tomcat-4.1.27
>> directory
>> > and the only log4j that shows up is the one in WEB-INF/lib.
>> >
>> > When I run the thing from JBuilder the same jars are in my required
>> libraries.
>> >
>> > The other weird thing that I should note is that the original stack
>> trace that I mentioned was returned as html to my browser. In the
>> tomcat console nothing
>> > is printed.
>> >
>> > Thanks again,
>> > Scott
>> >
>> >
>> >
>> >
>> >>
>> >> There is something fishy about the stack trace. The following is
>> from your stack trace:
>> >> at org.apache.log4j.Category.callAppenders(Category.java:190)
>> >>
>> >> If you look at the code of log4j 1.2.8, Category.java, line 190,
>> you will see that the line consists of a 'break' statement, not an
>> invocation of AppenderAttachableImpl.appendLoopOnAppenders, as the
>> stack trace suggests.
>> >>
>> >> The evidence presented so far suggests that you are running two
>> different versions of log4j simultaneously.
>> >>
>> >> Can you tell more about your environment? JBuilder, JDK, JBoss,
>> Tomcat versions?
>> >>
>> >>
>> >> At 11:11 AM 9/13/2003 -0500, Scott Morgan wrote:
>> >>>Hi Ceki,
>> >>>
>> >>> I am using the pre compiled versions from the Jakarta
>> download
>> >>>binaries site for all of the libraries. After my .war files
>> unwars
>> >>> the log4j-1.2.8.jar is in my lib directory with all the other
>> jars, suns j2ee.jar (1.3.1), jboss-j2ee.jar (3.0.4), exc. Also I
>> mention that I have two j2ee.jar implementations in my path
>> because it wasn't working without the sun j2ee.jar since that is
>> necessary for the
>> >>>log4j stuff and I am connecting to a jboss 3.0.4 server to get my
>> data
>> >>> objects.
>> >>>
>> >>>Thanks for responding!
>> >>>Scott
>> >>>
>> >>> >
>> >>> > - Are you compiling log4j yourself using JBulder?
>> >>> >
>> >>> > - Do you have older versions of log4j lying around?
>> >>> >
>> >>> > At 02:57 PM 9/12/2003 -0500, you wrote:
>> >>> >>Hi,
>> >>> >>
>> >>> >> I am trying to get log4j to work in the following
>> environment;
>> >>> >>tomcat 4.1.27 log4j 1.2.8 struts 1.1
>> >>> >>
>> >>> >>I have been able to get it working through invoking tomcat
>> through
>> >>> >> JBuilder. However when I run it with the startup.bat file I
>> get a
>> >>> weird error. I have a log4j.xml file that works fine in my swing
>> applet, and the JBuilder tomcat arena, logs messages , prints to
>> the console nothing fancy.
>> >>> >>
>> >>> >><?xml version="1.0" encoding="UTF-8" ?>
>> >>> >><!DOCTYPE log4j:configuration SYSTEM "log4j.dtd">
>> >>> >>
>> >>> >><log4j:configuration
>> >>> xmlns:log4j="http://jakarta.apache.org/log4j/";>
>> >>> >> <appender name="X" class="org.apache.log4j.ConsoleAppender">
>> >>> >> <layout class="org.apache.log4j.PatternLayout">
>> >>> >> <param name="ConversionPattern" value="%d{hh:mm:ss} %c %M
>> %t
>> >>> %p
>> >>> >>line
>> >>> >>%L -%m%n"/>
>> >>> >> </layout>
>> >>> >> </appender>
>> >>> >> <logger name="com.adligo.systems.ae.ui.http"
>> additivity="false">
>> >>> >> <level value="DEBUG"/>
>> >>> >> <appender-ref ref="X"/>
>> >>> >> </logger>
>> >>> >> <root>
>> >>> >> <priority value="WARN"/>
>> >>> >> <appender-ref ref="X" />
>> >>> >> </root>
>> >>> >></log4j:configuration>
>> >>> >>
>> >>> >>When I use this same file with struts and log4j, I am able to
>> get
>> >>> the
>> >>> >> file to load ok, I verified this with some System.out.printlns.
>> >>> The
>> >>> code also correctly checks and finds the debug levels when
>> calling; logger.isDebugEnabled() or logger.isInfoEnabled()
>> >>> >>
>> >>> >>However the code crashes when I try to call;
>> >>> >>logger.debug("foo") or logger.info("foo") at
>> >>> >>com.adligo.systems.ae.ui.http.LoginAction.execute(LoginAction.jav a:34)
>> >>> >>
>> >>> >>The following is the whole error.
>> >>> >>
>> >>> >>java.lang.NoSuchMethodError:
>> >>> >>org.apache.log4j.spi.LoggingEvent.getLevel()Lorg/apache/log4j/Level;
>> >>> >> at
>> >>> >>org.apache.log4j.AppenderSkeleton.doAppend(AppenderSkeleton.java: 206)
>> >>> >> at
>> >>> >>
>> >>>
>> org.apache.log4j.helpers.AppenderAttachableImpl.appendLoopOnAppenders(AppenderAttachableImpl.java:57)
>> >>> >> at
>> >>> org.apache.log4j.Category.callAppenders(Category.java:190)
>> >>> >> at org.apache.log4j.Category.forcedLog(Category.java:375) at
>> >>> org.apache.log4j.Category.debug(Category.java:244)
>> >>> >> at
>> >>> >>com.adligo.systems.ae.ui.http.LoginAction.execute(LoginAction.jav a:34)
>> >>> >> at
>> >>> >>org.apache.struts.action.RequestProcessor.processActionPerform(Reque
>>
>> stPr
>> >>>
>> >>> ocessor.java:484)
>> >>> >> at
>> >>> >>org.apache.struts.action.RequestProcessor.process(RequestProcessor.j
>>
>> ava:
>> >>>
>> >>> 274)
>> >>> >> at
>> >>> >>org.apache.struts.action.ActionServlet.process(ActionServlet.java :1482)
>> >>> >> at
>> >>> >>org.apache.struts.action.ActionServlet.doPost(ActionServlet.java: 525)
>> >>> >> at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
>> >>> >> at
>> >>> >> javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
>> >>> >>
>> >>> >>Any help here would be greatly appreciated!
>> >>> >>--
>> >>> >>Scott Morgan
>> >>> >>President Adligo Inc.
>> >>> >>Ph: 773-758-8735
>> >>> >>Fax: 773-632-0568
>> >>> >>http://www.adligo.com
>> >>> >>
>> >>> >>
>> >>> >>
>> >>> >>
>> >>> >>
>> >>> >>----------------------------------------------------------------- ----
>> >>> >> To unsubscribe, e-mail:
>> [EMAIL PROTECTED]
>> >>> For additional commands, e-mail:
>> [EMAIL PROTECTED]
>> >>> >
>> >>> > --
>> >>> > Ceki Gülcü
>> >>> >
>> >>> > For log4j documentation consider "The complete log4j
>> manual"
>> >>> ISBN:
>> >>> > 2970036908 http://www.qos.ch/shop/products/clm_t.jsp
>> >>> >
>> >>> > import org.apache.Facetime;
>> >>> > ApacheCon US 2003, 18-21 November http://apachecon.com/
>> >>> >
>> >>> >
>> >>> >
>> >>> > ---------------------------------------------------------------------
>> >>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>> For additional commands, e-mail:
>> [EMAIL PROTECTED]
>> >>>
>> >>>
>> >>>--
>> >>>Scott Morgan
>> >>>President Adligo Inc.
>> >>>Ph: 773-758-8735
>> >>>Fax: 773-632-0568
>> >>>http://www.adligo.com
>> >>>
>> >>>
>> >>>
>> >>>---------------------------------------------------------------------
>> >>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>> For additional commands, e-mail:
>> [EMAIL PROTECTED]
>> >>
>> >> --
>> >> Ceki Gülcü
>> >>
>> >> For log4j documentation consider "The complete log4j manual"
>> >> ISBN:
>> >> 2970036908 http://www.qos.ch/shop/products/clm_t.jsp
>> >>
>> >> import org.apache.Facetime;
>> >> ApacheCon US 2003, 18-21 November http://apachecon.com/
>> >>
>> >>
>> >>
>>
>>
>>
>>
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>
>
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--
Scott Morgan
President Adligo Inc.
Ph:  773-758-8735
Fax: 773-632-0568
http://www.adligo.com



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