RE: Logging multiple strings
Hmm... perhapsI am attempting to use the MDC incorrectly. I have tried to
use this technique in the past (with Danko Mannhaupt's variant of Thomas
Fenner's JDBCAppender that is included as part of the 'contrib' code in
1.2.7... available here--http://www.dankomannhaupt.de/projects/index.html)
If I do something like the following:
org.apache.log4j.MDC.put(account, 123456789);
log.info(The account number should be passed to the Appender via MDC);
And then inside my SqlHandler, (which intercepts the LoggingEvent), I try
to retrieve the account pushed into the MDC map by way of:
String account = (String) theLogEvent.getMDC(account);
I get null when I use a JDBCAppender attached to an
AsyncAppender. However, if I change my log4j.xml config to bypass the
AsyncAppender and use the JDBCAppender directly, I can successfully
retrieve the account from the MDC... Is there something I am missing? For
what it is worth, this experiment was attempted with v1.2.7 under
WebLogic 7.0.
-don
At 11:41 PM 2/6/2003 +0100, Ceki Gülcü wrote:
I do not think that is correct. AsyncAppender will make sure to set the
proper MDC values in the LoggingEvent. As long as you access the MDC
through the LoggingEvent you are safe.
At 17:39 06.02.2003 -0500, you wrote:
Sorry for the delay in response.
If you plan to attach your JDBCAppdender to an AsynchronousAppender, be
warned that the MDC style approach will not work as the context of the
Thread that logs the message will be different from the Appender that
actually writes the data.
-D
At 07:54 PM 1/27/2003 +0530, you wrote:
hi,
but what if i have multiple columns ?
i am planning to use exec proc(?) and try to tokenize in stored proc
itself
regards,
Amandeep
Shapira,
YoavTo: Log4J Users List
[EMAIL PROTECTED]
Yoav.Shapira@ cc:
mpi.com Subject: RE: Logging
multiple strings
01/27/2003
07:41 PM
Please respond
to Log4J
Users List
Howdy,
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, January 24, 2003 3:57 PM
To: Log4J Users List
Subject: Logging multiple strings
I'm thinking of using log4j with the jdbc appender, to log some
structured
information regarding the usage of my applications. I log with
something
like:
myLogger.info( userName + applicationName + transactionName );
I would like to be able to use a JDBC conversion pattern that would
allow
me to load the user name in a column, the application name into another
column, and the
transaction name into a third column. But, since the logger only
accepts a
single string as parameter, there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only knows that my string
corresponds to the %m specification.
What I would need is the possibility of calling the logger with a
collection of strings; then, in the layout, I could reference each
string
with a %1m , %2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName
)
VALUES ( %1m , %3m, %2m ) .
I know there is no such thing in the package right now, and I don't
expect
it any time soon, but do you think it would be feasible? And would it
be
useful, or am I the
only one with that kind of requirements?
Serge Arsenault
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RE: Logging multiple strings
Well upon a bit of further investigation, it would appear to only be an
issue when using the non-standard 'contrib' version of the
JDBCAppender. The JDBCAppender that is part of the log4j distribution
proper works just fine
-d
At 09:52 AM 2/7/2003 -0500, donald larmee wrote:
Hmm... perhapsI am attempting to use the MDC incorrectly. I have tried to
use this technique in the past (with Danko Mannhaupt's variant of Thomas
Fenner's JDBCAppender that is included as part of the 'contrib' code in
1.2.7... available here--http://www.dankomannhaupt.de/projects/index.html)
If I do something like the following:
org.apache.log4j.MDC.put(account, 123456789);
log.info(The account number should be passed to the Appender via MDC);
And then inside my SqlHandler, (which intercepts the LoggingEvent), I try
to retrieve the account pushed into the MDC map by way of:
String account = (String) theLogEvent.getMDC(account);
I get null when I use a JDBCAppender attached to an
AsyncAppender. However, if I change my log4j.xml config to bypass the
AsyncAppender and use the JDBCAppender directly, I can successfully
retrieve the account from the MDC... Is there something I am
missing? For what it is worth, this experiment was attempted with
v1.2.7 under WebLogic 7.0.
-don
At 11:41 PM 2/6/2003 +0100, Ceki Gülcü wrote:
I do not think that is correct. AsyncAppender will make sure to set the
proper MDC values in the LoggingEvent. As long as you access the MDC
through the LoggingEvent you are safe.
At 17:39 06.02.2003 -0500, you wrote:
Sorry for the delay in response.
If you plan to attach your JDBCAppdender to an AsynchronousAppender, be
warned that the MDC style approach will not work as the context of the
Thread that logs the message will be different from the Appender that
actually writes the data.
-D
At 07:54 PM 1/27/2003 +0530, you wrote:
hi,
but what if i have multiple columns ?
i am planning to use exec proc(?) and try to tokenize in stored proc
itself
regards,
Amandeep
Shapira,
YoavTo: Log4J Users List
[EMAIL PROTECTED]
Yoav.Shapira@ cc:
mpi.com Subject: RE: Logging
multiple strings
01/27/2003
07:41 PM
Please respond
to Log4J
Users List
Howdy,
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, January 24, 2003 3:57 PM
To: Log4J Users List
Subject: Logging multiple strings
I'm thinking of using log4j with the jdbc appender, to log some
structured
information regarding the usage of my applications. I log with
something
like:
myLogger.info( userName + applicationName + transactionName );
I would like to be able to use a JDBC conversion pattern that would
allow
me to load the user name in a column, the application name into another
column, and the
transaction name into a third column. But, since the logger only
accepts a
single string as parameter, there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only knows that my string
corresponds to the %m specification.
What I would need is the possibility of calling the logger with a
collection of strings; then, in the layout, I could reference each
string
with a %1m , %2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName
)
VALUES ( %1m , %3m, %2m ) .
I know there is no such thing in the package right now, and I don't
expect
it any time soon, but do you think it would be feasible? And would it
be
useful, or am I the
only one with that kind of requirements?
Serge Arsenault
--
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RE: Logging multiple strings
Sorry for the delay in response.
If you plan to attach your JDBCAppdender to an AsynchronousAppender, be
warned that the MDC style approach will not work as the context of the
Thread that logs the message will be different from the Appender that
actually writes the data.
-D
At 07:54 PM 1/27/2003 +0530, you wrote:
hi,
but what if i have multiple columns ?
i am planning to use exec proc(?) and try to tokenize in stored proc
itself
regards,
Amandeep
Shapira,
YoavTo: Log4J Users List
[EMAIL PROTECTED]
Yoav.Shapira@ cc:
mpi.com Subject: RE: Logging
multiple strings
01/27/2003
07:41
PM
Please
respond
to
Log4J
Users
List
Howdy,
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, January 24, 2003 3:57 PM
To: Log4J Users List
Subject: Logging multiple strings
I'm thinking of using log4j with the jdbc appender, to log some
structured
information regarding the usage of my applications. I log with
something
like:
myLogger.info( userName + applicationName + transactionName );
I would like to be able to use a JDBC conversion pattern that would
allow
me to load the user name in a column, the application name into another
column, and the
transaction name into a third column. But, since the logger only
accepts a
single string as parameter, there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only knows that my string
corresponds to the %m specification.
What I would need is the possibility of calling the logger with a
collection of strings; then, in the layout, I could reference each
string
with a %1m , %2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName
)
VALUES ( %1m , %3m, %2m ) .
I know there is no such thing in the package right now, and I don't
expect
it any time soon, but do you think it would be feasible? And would it
be
useful, or am I the
only one with that kind of requirements?
Serge Arsenault
--
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RE: Logging multiple strings
I do not think that is correct. AsyncAppender will make sure to set the
proper MDC values in the LoggingEvent. As long as you access the MDC
through the LoggingEvent you are safe.
At 17:39 06.02.2003 -0500, you wrote:
Sorry for the delay in response.
If you plan to attach your JDBCAppdender to an AsynchronousAppender, be
warned that the MDC style approach will not work as the context of the
Thread that logs the message will be different from the Appender that
actually writes the data.
-D
At 07:54 PM 1/27/2003 +0530, you wrote:
hi,
but what if i have multiple columns ?
i am planning to use exec proc(?) and try to tokenize in stored proc
itself
regards,
Amandeep
Shapira,
YoavTo: Log4J Users List
[EMAIL PROTECTED]
Yoav.Shapira@ cc:
mpi.com Subject: RE: Logging
multiple strings
01/27/2003
07:41 PM
Please respond
to Log4J
Users List
Howdy,
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, January 24, 2003 3:57 PM
To: Log4J Users List
Subject: Logging multiple strings
I'm thinking of using log4j with the jdbc appender, to log some
structured
information regarding the usage of my applications. I log with
something
like:
myLogger.info( userName + applicationName + transactionName );
I would like to be able to use a JDBC conversion pattern that would
allow
me to load the user name in a column, the application name into another
column, and the
transaction name into a third column. But, since the logger only
accepts a
single string as parameter, there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only knows that my string
corresponds to the %m specification.
What I would need is the possibility of calling the logger with a
collection of strings; then, in the layout, I could reference each
string
with a %1m , %2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName
)
VALUES ( %1m , %3m, %2m ) .
I know there is no such thing in the package right now, and I don't
expect
it any time soon, but do you think it would be feasible? And would it
be
useful, or am I the
only one with that kind of requirements?
Serge Arsenault
--
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804.301.UTOP
utopian software concepts, inc.
www.utopiansoft.com
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Re: Logging multiple strings
I will also need such a jdbc appender since we have to audit req/response messages along with certian user info into a database. It would be great if such a pattern mechansim is added so that it will be easy to retieve the values and store them into a database. --- [EMAIL PROTECTED] wrote: I'm thinking of using log4j with the jdbc appender, to log some structured information regarding the usage of my applications. I log with something like: myLogger.info( userName + applicationName + transactionName ); I would like to be able to use a JDBC conversion pattern that would allow me to load the user name in a column, the application name into another column, and the transaction name into a third column. But, since the logger only accepts a single string as parameter, there is no way once we get into the layout specification to make a reference to individual elements. The layout only knows that my string corresponds to the %m specification. What I would need is the possibility of calling the logger with a collection of strings; then, in the layout, I could reference each string with a %1m , %2m and %3m specification - something like ... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName ) VALUES ( %1m , %3m, %2m ) . I know there is no such thing in the package right now, and I don't expect it any time soon, but do you think it would be feasible? And would it be useful, or am I the only one with that kind of requirements? Serge Arsenault -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] __ Do you Yahoo!? Yahoo! Mail Plus - Powerful. Affordable. Sign up now. http://mailplus.yahoo.com - To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
Réf. : Re: Logging multiple strings
Somewhere back on this same thread, I got the following answer from Yoav Shapira at
Millennium ChemInformatics
...
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
...
I haven't tried it yet, but at first look it would be exactly what we need...
Serge A.
sk k [EMAIL PROTECTED] on 2003-01-30 16:39:50
Veuillez répondre à Log4J Users List [EMAIL PROTECTED]
Pour : Log4J Users List [EMAIL PROTECTED]
cc :
Objet : Re: Logging multiple strings
I will also need such a jdbc appender since we have to
audit req/response messages along with certian user
info into a database.
It would be great if such a pattern mechansim is added
so that it will be easy to retieve the values and
store them into a database.
--- [EMAIL PROTECTED] wrote:
I'm thinking of using log4j with the jdbc appender,
to log some structured information regarding the
usage of my applications. I log with something like:
myLogger.info( userName + applicationName +
transactionName );
I would like to be able to use a JDBC conversion
pattern that would allow me to load the user name in
a column, the application name into another column,
and the
transaction name into a third column. But, since the
logger only accepts a single string as parameter,
there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only
knows that my string corresponds to the %m
specification.
What I would need is the possibility of calling the
logger with a collection of strings; then, in the
layout, I could reference each string with a %1m ,
%2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName,
transactionName, applicationName ) VALUES ( %1m ,
%3m, %2m ) .
I know there is no such thing in the package right
now, and I don't expect it any time soon, but do you
think it would be feasible? And would it be useful,
or am I the
only one with that kind of requirements?
Serge Arsenault
--
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Re: Logging multiple strings
On Fri, 2003-01-24 at 18:57, [EMAIL PROTECTED] wrote: I'm thinking of using log4j with the jdbc appender, to log some structured information regarding the usage of my applications. I log with something like: myLogger.info( userName + applicationName + transactionName ); I would like to be able to use a JDBC conversion pattern that would allow me to load the user name in a column, the application name into another column, and the transaction name into a third column. But, since the logger only accepts a single string as parameter, there is no way once we get into the layout specification to make a reference to individual elements. The layout only knows that my string corresponds to the %m specification. No, the logger accepts a single Object, not String. Wrap username, appname and transactionname in some king of object, and register an ObjectRenderer for this custom object. What I would need is the possibility of calling the logger with a collection of strings; then, in the layout, I could reference each string with a %1m , %2m and %3m specification - something like ... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName ) VALUES ( %1m , %3m, %2m ) . I know there is no such thing in the package right now, and I don't expect it any time soon, but do you think it would be feasible? And would it be useful, or am I the only one with that kind of requirements? Serge Arsenault -- Daniel Serodio [EMAIL PROTECTED] CheckForte -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Logging multiple strings
Howdy,
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, January 24, 2003 3:57 PM
To: Log4J Users List
Subject: Logging multiple strings
I'm thinking of using log4j with the jdbc appender, to log some
structured
information regarding the usage of my applications. I log with
something
like:
myLogger.info( userName + applicationName + transactionName );
I would like to be able to use a JDBC conversion pattern that would
allow
me to load the user name in a column, the application name into another
column, and the
transaction name into a third column. But, since the logger only
accepts a
single string as parameter, there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only knows that my string
corresponds to the %m specification.
What I would need is the possibility of calling the logger with a
collection of strings; then, in the layout, I could reference each
string
with a %1m , %2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName
)
VALUES ( %1m , %3m, %2m ) .
I know there is no such thing in the package right now, and I don't
expect
it any time soon, but do you think it would be feasible? And would it
be
useful, or am I the
only one with that kind of requirements?
Serge Arsenault
--
To unsubscribe, e-mail: mailto:log4j-user-
[EMAIL PROTECTED]
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RE: Logging multiple strings
hi,
but what if i have multiple columns ?
i am planning to use exec proc(?) and try to tokenize in stored proc
itself
regards,
Amandeep
Shapira,
YoavTo: Log4J Users List
[EMAIL PROTECTED]
Yoav.Shapira@ cc:
mpi.com Subject: RE: Logging multiple strings
01/27/2003
07:41 PM
Please respond
to Log4J
Users List
Howdy,
Have you considering the use of a mapped diagnostic context (MDC)? The
pattern would include %X{username} %X{applicationName}
%X{transactionName} etc. See the JavaDoc for the MDC class and the
manual for examples.
Yoav Shapira
Millennium ChemInformatics
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]]
Sent: Friday, January 24, 2003 3:57 PM
To: Log4J Users List
Subject: Logging multiple strings
I'm thinking of using log4j with the jdbc appender, to log some
structured
information regarding the usage of my applications. I log with
something
like:
myLogger.info( userName + applicationName + transactionName );
I would like to be able to use a JDBC conversion pattern that would
allow
me to load the user name in a column, the application name into another
column, and the
transaction name into a third column. But, since the logger only
accepts a
single string as parameter, there is no way once we get into the layout
specification to make a
reference to individual elements. The layout only knows that my string
corresponds to the %m specification.
What I would need is the possibility of calling the logger with a
collection of strings; then, in the layout, I could reference each
string
with a %1m , %2m and %3m
specification - something like
... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName
)
VALUES ( %1m , %3m, %2m ) .
I know there is no such thing in the package right now, and I don't
expect
it any time soon, but do you think it would be feasible? And would it
be
useful, or am I the
only one with that kind of requirements?
Serge Arsenault
--
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Réf. : Re: Logging multiple strings
Thanks! I'll look into that. Serge A. Daniel Serodio [EMAIL PROTECTED] on 2003-01-27 07:02:05 Veuillez répondre à Log4J Users List [EMAIL PROTECTED] Pour : Log4J Users List [EMAIL PROTECTED] cc : Objet : Re: Logging multiple strings On Fri, 2003-01-24 at 18:57, [EMAIL PROTECTED] wrote: I'm thinking of using log4j with the jdbc appender, to log some structured information regarding the usage of my applications. I log with something like: myLogger.info( userName + applicationName + transactionName ); I would like to be able to use a JDBC conversion pattern that would allow me to load the user name in a column, the application name into another column, and the transaction name into a third column. But, since the logger only accepts a single string as parameter, there is no way once we get into the layout specification to make a reference to individual elements. The layout only knows that my string corresponds to the %m specification. No, the logger accepts a single Object, not String. Wrap username, appname and transactionname in some king of object, and register an ObjectRenderer for this custom object. What I would need is the possibility of calling the logger with a collection of strings; then, in the layout, I could reference each string with a %1m , %2m and %3m specification - something like ... INSERT INTO TEST_TABLE ( userName, transactionName, applicationName ) VALUES ( %1m , %3m, %2m ) . I know there is no such thing in the package right now, and I don't expect it any time soon, but do you think it would be feasible? And would it be useful, or am I the only one with that kind of requirements? Serge Arsenault -- Daniel Serodio [EMAIL PROTECTED] CheckForte -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED] -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
RE: Logging multiple strings
Howdy, but what if i have multiple columns ? You can have as many columns as you want. They just have to have different property keys (although the values can be the same), as each column name is a key into a map. i am planning to use exec proc(?) and try to tokenize in stored proc itself Have fun ;) I try to avoid stored procedures like the plague. Maybe even worse than the plague, because if you ever migrate your app to anyone with a different DB you have to convert the stored proc into just another strain of the plague. But that's just me. Yoav Shapira Millennium ChemInformatics -- To unsubscribe, e-mail: mailto:[EMAIL PROTECTED] For additional commands, e-mail: mailto:[EMAIL PROTECTED]
