On Thu, 15 Jul 2010 13:49:06 -0700
Kevin Kruzich <kkruz...@mshift.com> wrote:
> You are going to have to be more precise about what exactly you don't
> understand about these instructions. If you follow them, you will see
> Tomcat logging through Log4j. I've done it and I know it works. If you
> find these instructions a pain in the [you know what], I don't blame
> you. But the cause of the pain has nothing to do with Log4j and
> everything to do with Tomcat. If you have complaints, I encourage you
> to send them to the Tomcat team.
This right here. Textbook case:
>> # Build or download the additional logging components. See the extras
>> components documentation for details.
(http://tomcat.apache.org/tomcat-6.0-doc/extras.html)
Ok, this is my last comment on this. Again this is a TOMCAT issue not a Log4j
issue. Please send further questions about this process to Tomcat.
There is no documentation here or in the resultant links that mention
anything about log4j. Also "A number of additional third party components may
be used with Apache Tomcat. "
may be used means I don't want to use them.
I read the instructions. They say to build or download.....
http://tomcat.apache.org/tomcat-6.0-doc/extras.html#Downloading
Those instructions pointed me to (they don't link to it, they just say the
Tomcat download page, which this is)....
http://tomcat.apache.org/download-60.cgi
Then they say to select "Browse" form the "Quick Navigation" links. The
specific link will change depending on the mirror being used, but the link
provided to me was....
http://apache.ziply.com/tomcat/tomcat-6/v6.0.28
Then they say to go into the "bin/extras" directory and download the following
components....
http://apache.ziply.com/tomcat/tomcat-6/v6.0.28/bin/extras/tomcat-juli.jar
http://apache.ziply.com/tomcat/tomcat-6/v6.0.28/bin/extras/tomcat-juli-adapters.jar
Now that you have these, re-read the instructions provided at...
http://tomcat.apache.org/tomcat-6.0-doc/logging.html#log4j
This section is absent from the 5.5 docs. Is it entirely necessary?
The logging system they use in Tomcat6 does not apply to Tomcat5.5. It is
new, hence the reason why you didn't have to bother with this in Tomcat 5.5.
---
I'm understanding there are mainly 2x things necessary for log4j to work:
log4j.jar and log4j.properties. Just an hour ago I dropped both of these into
a tomcat5 install and boom, it works. tomcat6... I've moved the files around
to at least 5 different places and nothing.
Because, again, you didn't follow the instructions which I have exhaustively
detailed above.
Fortunately I'm prototyping on virtual machines and I can do an install from
scratch quickly. I'm doing a new tomcat6 from scratch (centos 5, jpackage
tomcat6) --so we'll see how this one goes.
This is mainly about getting central logging. Whether it's from apps,
servers, or both... I don't care right now. I just need something feeding a
file, feeding syslog.
For future reference, please read the documentation first and follow the
instructions provided. Keep in mind that your question is really off-topic.
It has to do with Tomcat, not Log4j. I'm about the only person on this list
that would bother answering a Tomcat question here. I only do it because I
understand Tomcat6 logging and figured I could be of help. What I did not
imagine that I'd have to do is spell out another product's documentation for
you. I will not be doing such a thing in the future. We support Log4j here,
not Tomcat.
Jake
Jacob Kjome said the following on 7/15/10 1:20 PM:
On Thu, 15 Jul 2010 11:09:37 -0700
Kevin Kruzich <kkruz...@mshift.com> wrote:
Thanks Jake -- My /etc/tomcat6/catalina.properties:
common.loader=${catalina.base}/lib,${catalina.base}/lib/*.jar,${catalina.home}/lib,${catalina.home}/lib/*.jar
That works too
--but I'm unable to see where ${catalina.base} and ${catalina.home}
are defined. That isn't so immediately relevant though.
These can be set in your environment as the following OS system
properties....
CATALINA_BASE
CATALINA_HOME
The Tomcat scripts pick these up and uses them to set the following Java
system properties....
catalina.base
catalina.home
The scripts will use defaults if you don't provide them. And
catalina.base will be set to the value of catalina.home if not not
explicitly set to something else.
At this point I have no preference as to whether the logging is server
or app. I just want *something* --and I had that *something* with
tomcat5 without too much trouble.
But what that "something" is is an important question which you have yet
to answer. Do you want to see logging from your own application or from
Tomcat? What you have set up so far is sufficient for the former, but
not the latter.
Keep in mind, this is *not* a Log4j question, but a Tomcat question.
From Log4j standpoint, auto-configuration is working. I will give you
a bit further advice here, but if you want more you need to re-read the
introduction of the Tomcat Logging page, not just the Log4j specific
instructions and/or contact the Tomcat user list.
What's most important to me is that I can see something running
through syslog.
"syslog" seems to imply you want Tomcat logging. If you read a bit more
closely, you'll understand why you see no logging from Tomcat.
Specifically....
[begin quote]
By default, only java.util.logging is available for the logs generated by
the Tomcat internal loggers, as Tomcat uses a package renamed
commons
logging implementation which is hardcoded to use
java.util.logging. Use of
alternative logging frameworks requires building or downloading
the
extras
components which include a full
commons-logging implementation. Instructions for configuring the
extras
components to enable log4j to be used for Tomcat's internal
logging may be
found below.
[end quote]
This isn't working for me:
> /usr/share/tomcat6/lib/log4j.jar
> /usr/share/tomcat6/lib/log4j.properties
Actually, it is, from Log4j's perspective. The logger repository is
getting auto-configured using the log4j.properties you provided. That
you see no Tomcat logging is because you have not yet followed the
instructions below.
...and I wonder if these instructions are why. If these instructions
require precise applicaton then what do these instructions mean?
You are going to have to be more precise about what exactly you don't
understand about these instructions. If you follow them, you will see
Tomcat logging through Log4j. I've done it and I know it works. If you
find these instructions a pain in the [you know what], I don't blame
you. But the cause of the pain has nothing to do with Log4j and
everything to do with Tomcat. If you have complaints, I encourage you
to send them to the Tomcat team.
>> http://tomcat.apache.org/tomcat-6.0-doc/logging.html#log4j
>>
>> # Download Log4J (v1.2 or later) and place the log4j jar in
>> $CATALINA_HOME/lib.
>> # Build or download the additional logging components. See the extras
>> components documentation for details.
>> # Replace $CATALINA_HOME/bin/tomcat-juli.jar with
>> output/extras/tomcat-juli.jar.
>> # Place output/extras/tomcat-juli-adapters.jar in $CATALINA_HOME/lib.
>> # Delete $CATALINA_BASE/conf/logging.properties to prevent
>> java.util.logging generating zero length log files.
>> # Start Tomcat
Jake
Jacob Kjome said the following on 7/15/10 10:40 AM:
Tomcat's catalina.properties contains...
common.loader=${catalina.home}/lib,${catalina.home}/lib/*.jar
This means that, assuming that "/usr/share/tomcat6" is the path set
for ${catalina.home}, the following should work fine...
/usr/share/tomcat6/lib/log4j.jar
/usr/share/tomcat6/lib/log4j.properties
That said, is you purpose application logging or server logging (or
both)?
For application logging, this should be fine, though you'll share a
logger repository with all apps under Tomcat (unless you include
log4j.jar in WEB-INF/lib and log4j.properties or log4j.xml in
WEB-INF/classes ....or you use a logger repository selector).
For server logging, you need to following the instructions you
already referenced....
http://tomcat.apache.org/tomcat-6.0-doc/logging.html#log4j
Jake
On Thu, 15 Jul 2010 10:20:59 -0700
Kevin Kruzich <kkruz...@mshift.com> wrote:
I was able to get log4j working with syslog without too much trouble
using tomcat5. Yet with tomcat6 I'm having a heck of a time trying to
figure out where log4j.properties should go.
tomcat5:
JAVA_OPTS="$JAVA_OPTS
-Dcatalina.ext.dirs=$CATALINA_HOME/shared/lib:$CATALINA_HOME/common/lib"
/var/lib/tomcat5/common/lib/log4j.jar
/var/lib/tomcat5/common/classes/log4j.properties
works great!
---
tomcat6:
tomcat 9995 0.5 1.2 649772 24900 ? Sl 21:01 0:03
/usr/bin/java -classpath
:/usr/share/tomcat6/bin/bootstrap.jar:/usr/share/tomcat6/bin/tomcat-juli.jar:/usr/bin/build-classpath:
error: JVM_LIBDIR /usr/lib/jvm-exports/java-1.6.0 does not exist or is
not a directory -Dcatalina.base=/usr/share/tomcat6
-Dcatalina.home=/usr/share/tomcat6 -Djava.endorsed.dirs=
-Djava.io.tmpdir=/var/cache/tomcat6/temp
-Djava.util.logging.config.file=/usr/share/tomcat6/conf/logging.properties
-Djava.util.logging.manager=org.apache.juli.ClassLoaderLogManager
org.apache.catalina.startup.Bootstrap start
/usr/share/tomcat6/lib/log4j.jar
/usr/share/tomcat6/lib/log4j.properties
(and many other locations)
fails, fails...
*?* Do I need a dir like /usr/share/tomcat6/common
These instructions are over 8 years old so I imagine this section, in
particular has changed quite a bit "Default Initialization under
Tomcat"
http://logging.apache.org/log4j/1.2/manual.html
---
And lastly, there's this snippet on the Apache website -- is all this
necessary?
http://tomcat.apache.org/tomcat-6.0-doc/logging.html#log4j
# Download Log4J (v1.2 or later) and place the log4j jar in
$CATALINA_HOME/lib.
# Build or download the additional logging components. See the extras
components documentation for details.
# Replace $CATALINA_HOME/bin/tomcat-juli.jar with
output/extras/tomcat-juli.jar.
# Place output/extras/tomcat-juli-adapters.jar in $CATALINA_HOME/lib.
# Delete $CATALINA_BASE/conf/logging.properties to prevent
java.util.logging generating zero length log files.
# Start Tomcat
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