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Posted to log4j-user@logging.apache.org by struts <sq...@tumbleweed.com> on 2003/12/08 21:23:05 UTC
Re: I am not getting stack trace from logger.error("error",e)?
I am also getting the similiar problem. Just I was able to see the stack
trace in the console, but in the database, I can just see the error message
without stack trace. Attached is my log4j.xml file. Anybody knows why?
Thanks.
Song
"Robert Augustyn" <au...@yahoo.com> wrote in message
news:20031128001915.1794.qmail@web41503.mail.yahoo.com...
> Paul,
> Thanks, I am running 1.4.2 vm and it does not look
> like it's fixed...
> It is real pain!.
> robert
>
> -----Original Message-----
> From: Paul Smith [mailto:paul.smith@lawlex.com.au]
> Sent: Thursday, November 27, 2003 7:02 PM
> To: Log4J Users List
> Subject: RE: I am not getting stack trace from
> logger.error("error",e)?
>
>
> On Fri, 2003-11-28 at 10:45, Robert Augustyn wrote:
>
> > Hi Ceki,
>
> > I am getting just one line like:
>
> > Java.NullPointerException:
>
>
>
> This maybe only a very slight possibility, but I have
> seen exactly what
>
> you are describing in our production environment when
> we are using the
>
> -server option under the Sun 1.4.2 JDK under Linux (no
> JBoss though).
>
> Just a single line with no more information.
>
>
>
> See this bug:
>
> http://developer.java.sun.com/developer/bugParade/bugs/4761344.html
>
>
>
> They say it is fixed in 1.4.2, and while it does not
> happen with the
>
> frequency it used to, it's one to look out for. Not
> using the -server
>
> option seems to help, although you lose some
> performance there.
>
>
>
> cheers,
>
>
>
> Paul Smith
>
>
>
>
>
> ---------------------------------------------------------------------
>
> To unsubscribe, e-mail:
> log4j-user-unsubscribe@jakarta.apache.org
>
> For additional commands, e-mail:
> log4j-user-help@jakarta.apache.org
>
>
>
>
> __________________________________
> Do you Yahoo!?
> Free Pop-Up Blocker - Get it now
> http://companion.yahoo.com/
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`
end
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Re: I am not getting stack trace from logger.error("error",e)?
Posted by struts <sq...@tumbleweed.com>.
In the LoggEvent class, there are two methods, one is getRenderedMessage(),
another is getThrowableInformation(). My understand is that
getRenderedMessage() return log message and getThrowableInformation()
returns stack trace.
My understand is that based on my pattern, there is a '%.300m' in there
which returns message only, so there is no stack trace available in this
case. Is this the case? If not, how is the throwableInformation included in
the output message?
Also there is a private method writeObject() which writes the
throwableInformation into output stream, I don't see it called anywhere in
the class. How does it work?
Thanks.
Song
Here is my sql pattern.
<param name="sql"
value="insert into eventLogEvents (
eventType,
eventMachine,
eventTime,
eventID,
eventLevel,
eventCategory,
componentName,
eventClassID,
eventClassDescription,
eventDetails
)
values (
%p,
#TOKEN_EVENT_MACHINE_NAME#,
#%d{MM/dd/yyyy HH:mm:ss}#,
#%c#,
3,
9,
#Secure Message Redirect#,
16000,
#[%c]#,
#[%c{1}] %.300m#
)
"/>
Thanks a lot.
Song
"struts" <sq...@tumbleweed.com> wrote in message
news:br2mjg$p25$1@sea.gmane.org...
> I am also getting the similiar problem. Just I was able to see the stack
> trace in the console, but in the database, I can just see the error
message
> without stack trace. Attached is my log4j.xml file. Anybody knows why?
>
> Thanks.
>
> Song
>
> "Robert Augustyn" <au...@yahoo.com> wrote in message
> news:20031128001915.1794.qmail@web41503.mail.yahoo.com...
> > Paul,
> > Thanks, I am running 1.4.2 vm and it does not look
> > like it's fixed...
> > It is real pain!.
> > robert
> >
> > -----Original Message-----
> > From: Paul Smith [mailto:paul.smith@lawlex.com.au]
> > Sent: Thursday, November 27, 2003 7:02 PM
> > To: Log4J Users List
> > Subject: RE: I am not getting stack trace from
> > logger.error("error",e)?
> >
> >
> > On Fri, 2003-11-28 at 10:45, Robert Augustyn wrote:
> >
> > > Hi Ceki,
> >
> > > I am getting just one line like:
> >
> > > Java.NullPointerException:
> >
> >
> >
> > This maybe only a very slight possibility, but I have
> > seen exactly what
> >
> > you are describing in our production environment when
> > we are using the
> >
> > -server option under the Sun 1.4.2 JDK under Linux (no
> > JBoss though).
> >
> > Just a single line with no more information.
> >
> >
> >
> > See this bug:
> >
> > http://developer.java.sun.com/developer/bugParade/bugs/4761344.html
> >
> >
> >
> > They say it is fixed in 1.4.2, and while it does not
> > happen with the
> >
> > frequency it used to, it's one to look out for. Not
> > using the -server
> >
> > option seems to help, although you lose some
> > performance there.
> >
> >
> >
> > cheers,
> >
> >
> >
> > Paul Smith
> >
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> >
> > To unsubscribe, e-mail:
> > log4j-user-unsubscribe@jakarta.apache.org
> >
> > For additional commands, e-mail:
> > log4j-user-help@jakarta.apache.org
> >
> >
> >
> >
> > __________________________________
> > Do you Yahoo!?
> > Free Pop-Up Blocker - Get it now
> > http://companion.yahoo.com/
>
>
>
---------------------------------------------------------------------
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Re: I am not getting stack trace from logger.error("error",e)?
Posted by Paul Smith <pa...@lawlex.com.au>.
D'oh... I am assuming from the subject line that you are already doing
this.
Perhaps I should have paid more attention. Sorry for the waste of
bandwidth.
I'll now go and make my first coffee of the day to minimise the risk of
my foot getting anywhere near my mouth again.
cheers,
Paul
On Tue, 2003-12-09 at 08:11, Paul Smith wrote:
> Depends how you log your stacktrace. If you log like this:
>
> private static final Logger LOG = Logger.getLogger(.....);
>
> .......
> try {
>
> }
> catch(Exception e) {
> LOG.error(e);
> }
>
> Then you WILL only get the error message without the rest of the stack
> trace. The reason is that the exception is going to the
> loggers.error(Object) method, and Log4j is simply calling the
> .toString() on the Exception object.
>
> This is a common mistake, and I've forgotten this several times myself.
>
> What you really need to do is:
>
> LOG.error("An error happened here", e);
>
> This will ensure that the full stacktrace is output (assuming that the
> JDK 1.4.2 doesn't still get you)
>
> cheers,
>
> Paul Smith
>
> On Tue, 2003-12-09 at 07:23, struts wrote:
> > I am also getting the similiar problem. Just I was able to see the stack
> > trace in the console, but in the database, I can just see the error message
> > without stack trace. Attached is my log4j.xml file. Anybody knows why?
> >
> > Thanks.
> >
> > Song
> >
> > "Robert Augustyn" <au...@yahoo.com> wrote in message
> > news:20031128001915.1794.qmail@web41503.mail.yahoo.com...
> > > Paul,
> > > Thanks, I am running 1.4.2 vm and it does not look
> > > like it's fixed...
> > > It is real pain!.
> > > robert
> > >
> > > -----Original Message-----
> > > From: Paul Smith [mailto:paul.smith@lawlex.com.au]
> > > Sent: Thursday, November 27, 2003 7:02 PM
> > > To: Log4J Users List
> > > Subject: RE: I am not getting stack trace from
> > > logger.error("error",e)?
> > >
> > >
> > > On Fri, 2003-11-28 at 10:45, Robert Augustyn wrote:
> > >
> > > > Hi Ceki,
> > >
> > > > I am getting just one line like:
> > >
> > > > Java.NullPointerException:
> > >
> > >
> > >
> > > This maybe only a very slight possibility, but I have
> > > seen exactly what
> > >
> > > you are describing in our production environment when
> > > we are using the
> > >
> > > -server option under the Sun 1.4.2 JDK under Linux (no
> > > JBoss though).
> > >
> > > Just a single line with no more information.
> > >
> > >
> > >
> > > See this bug:
> > >
> > > http://developer.java.sun.com/developer/bugParade/bugs/4761344.html
> > >
> > >
> > >
> > > They say it is fixed in 1.4.2, and while it does not
> > > happen with the
> > >
> > > frequency it used to, it's one to look out for. Not
> > > using the -server
> > >
> > > option seems to help, although you lose some
> > > performance there.
> > >
> > >
> > >
> > > cheers,
> > >
> > >
> > >
> > > Paul Smith
> > >
> > >
> > >
> > >
> > >
> > > ---------------------------------------------------------------------
> > >
> > > To unsubscribe, e-mail:
> > > log4j-user-unsubscribe@jakarta.apache.org
> > >
> > > For additional commands, e-mail:
> > > log4j-user-help@jakarta.apache.org
> > >
> > >
> > >
> > >
> > > __________________________________
> > > Do you Yahoo!?
> > > Free Pop-Up Blocker - Get it now
> > > http://companion.yahoo.com/
> >
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> > To unsubscribe, e-mail: log4j-user-unsubscribe@jakarta.apache.org
> > For additional commands, e-mail: log4j-user-help@jakarta.apache.org
> >
> >
> > begin 600 log4j.xml
> > M/#]X;6P@=F5R<VEO;CTB,2XP(B!E;F-O9&EN9STB551&+3@B/SX-"CPA1$]#
> > M5%E012!L;V<T:CIC;VYF:6=U<F%T:6]N(%-94U1%32`B;&]G-&HN9'1D(CX-
> > M"CQL;V<T:CIC;VYF:6=U<F%T:6]N('AM;&YS.FQO9S1J/2)H='1P.B\O:F%K
> > M87)T82YA<&%C:&4N;W)G+VQO9S1J+R(@9&5B=6<](F9A;'-E(CX-"@T*("`\
> > M87!P96YD97(@;F%M93TB1DE,12(@8VQA<W,](F]R9RYJ8F]S<RYL;V=G:6YG
> > M+F%P<&5N9&5R+D1A:6QY4F]L;&EN9T9I;&5!<'!E;F1E<B(^#0H@("`@/'!A
> > M<F%M(&YA;64](E1H<F5S:&]L9"(@=F%L=64](D524D]2(B\^#0H@("`@/'!A
> > M<F%M(&YA;64](D9I;&4B('9A;'5E/2(D>VIB;W-S+G-E<G9E<BYH;VUE+F1I
> > M<GTO;&]G+W-E<G9E<BYL;V<B+SX-"B`@("`\<&%R86T@;F%M93TB07!P96YD
> > M(B!V86QU93TB=')U92(O/@T*("`@(#QP87)A;2!N86UE/2)$871E4&%T=&5R
> > M;B(@=F%L=64](B<N)WEY>7DM34TM9&0B+SX-"B`@("`\;&%Y;W5T(&-L87-S
> > M/2)O<F<N87!A8VAE+FQO9S1J+E!A='1E<FY,87EO=70B/@T*("`@("`@/'!A
> > M<F%M(&YA;64](D-O;G9E<G-I;VY0871T97)N(B!V86QU93TB)60@)2TU<"!;
> > M)6-=("5M)6XB+SX-"B`@("`\+VQA>6]U=#X)("`@(`T*("`\+V%P<&5N9&5R
> > M/@T*("`)#0H@("`@/&%P<&5N9&5R(&YA;64](DI$0D,B(&-L87-S/2)C;VTN
> > M='5M8FQE=V5E9"YM97-S96YG97(N;&]G9VEN9RY-97-S96YG97)*1$)#07!P
> > M96YD97(B/@T*("`@(#QP87)A;2!N86UE/2)4:')E<VAO;&0B('9A;'5E/2)%
> > M4E)/4B(O/@T*("`@(#QP87)A;2!N86UE/2)S<6PB(`T*("`@("`@("!V86QU
> > M93TB:6YS97)T(&EN=&\@979E;G1,;V=%=F5N=',@*`T*("`@("`@("`@("`@
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> > `
> > end
>
>
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Re: I am not getting stack trace from logger.error("error",e)?
Posted by Paul Smith <pa...@lawlex.com.au>.
Depends how you log your stacktrace. If you log like this:
private static final Logger LOG = Logger.getLogger(.....);
.......
try {
}
catch(Exception e) {
LOG.error(e);
}
Then you WILL only get the error message without the rest of the stack
trace. The reason is that the exception is going to the
loggers.error(Object) method, and Log4j is simply calling the
.toString() on the Exception object.
This is a common mistake, and I've forgotten this several times myself.
What you really need to do is:
LOG.error("An error happened here", e);
This will ensure that the full stacktrace is output (assuming that the
JDK 1.4.2 doesn't still get you)
cheers,
Paul Smith
On Tue, 2003-12-09 at 07:23, struts wrote:
> I am also getting the similiar problem. Just I was able to see the stack
> trace in the console, but in the database, I can just see the error message
> without stack trace. Attached is my log4j.xml file. Anybody knows why?
>
> Thanks.
>
> Song
>
> "Robert Augustyn" <au...@yahoo.com> wrote in message
> news:20031128001915.1794.qmail@web41503.mail.yahoo.com...
> > Paul,
> > Thanks, I am running 1.4.2 vm and it does not look
> > like it's fixed...
> > It is real pain!.
> > robert
> >
> > -----Original Message-----
> > From: Paul Smith [mailto:paul.smith@lawlex.com.au]
> > Sent: Thursday, November 27, 2003 7:02 PM
> > To: Log4J Users List
> > Subject: RE: I am not getting stack trace from
> > logger.error("error",e)?
> >
> >
> > On Fri, 2003-11-28 at 10:45, Robert Augustyn wrote:
> >
> > > Hi Ceki,
> >
> > > I am getting just one line like:
> >
> > > Java.NullPointerException:
> >
> >
> >
> > This maybe only a very slight possibility, but I have
> > seen exactly what
> >
> > you are describing in our production environment when
> > we are using the
> >
> > -server option under the Sun 1.4.2 JDK under Linux (no
> > JBoss though).
> >
> > Just a single line with no more information.
> >
> >
> >
> > See this bug:
> >
> > http://developer.java.sun.com/developer/bugParade/bugs/4761344.html
> >
> >
> >
> > They say it is fixed in 1.4.2, and while it does not
> > happen with the
> >
> > frequency it used to, it's one to look out for. Not
> > using the -server
> >
> > option seems to help, although you lose some
> > performance there.
> >
> >
> >
> > cheers,
> >
> >
> >
> > Paul Smith
> >
> >
> >
> >
> >
> > ---------------------------------------------------------------------
> >
> > To unsubscribe, e-mail:
> > log4j-user-unsubscribe@jakarta.apache.org
> >
> > For additional commands, e-mail:
> > log4j-user-help@jakarta.apache.org
> >
> >
> >
> >
> > __________________________________
> > Do you Yahoo!?
> > Free Pop-Up Blocker - Get it now
> > http://companion.yahoo.com/
>
>
>
>
>
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>
>
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> M#0H@("`@/&QE=F5L('9A;'5E/2))3D9/(B\^#0H@(#PO8V%T96=O<GD^#0H@
> M(`T*("`\8V%T96=O<GD@;F%M93TB8V]M+G1U;6)L97=E960N;65S<V5N9V5R
> M+FQO9V=I;F<B/@T*("`@(#QL979E;"!V86QU93TB24Y&3R(O/@T*("`@(#QA
> M<'!E;F1E<BUR968@<F5F/2)#3TY33TQ%(B\^#0H@("`@/&%P<&5N9&5R+7)E
> M9B!R968](D9)3$4B+SX-"B`@("`\87!P96YD97(M<F5F(')E9CTB3E1%=F5N
> M=$QO9R(O/@T*("`\+V-A=&5G;W)Y/@T*#0H@(#QR;V]T/@T*("`@(#QA<'!E
> M;F1E<BUR968@<F5F/2)#3TY33TQ%(B\^#0H@("`@/&%P<&5N9&5R+7)E9B!R
> M968](D9)3$4B+SX-"B`@("`\87!P96YD97(M<F5F(')E9CTB2D1"0R(O/@T*
> M("`@(#QA<'!E;F1E<BUR968@<F5F/2).5$5V96YT3&]G(B\^#0H@(#PO<F]O
> @=#X-"B`@#0H\+VQO9S1J.F-O;F9I9W5R871I;VX^#0H=
> `
> end
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