Hi Heri,
thanks a lot for this advice but if I am correct I can use %X{CUSTOMER}
only in PatternLayout.
Then I need to create my own implementation of SMTPAppender and this is
what i wanted to avoid.
Any chance it can be done without custome implementation?
Thx
Kind Regards / Mit
freundlichen Grüßen /
Üdvözlettel / S
pozdravem:
Zbynek VAVROS (Embedded
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Delivery Centre 616 00, Brno
Central Europe Technicka 21
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file: pic29569.gif) Phone: 420-53341- x6283
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Registered address:
Brno, Technicka 2995/21,
Zip code: 61600, Company
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Entered in the
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maintained by the
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(Part C, Entry 39922)
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Delivery Center Czech
Republic, s.r.o.
Sídlo: Brno, Technická
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Krajským soudem v Brně
oddíl C, vlozka 39922
|------------>
| From: |
|------------>
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|Bender Heri <[email protected]>
|
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| To: |
|------------>
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|"'Log4J Users List'" <[email protected]>
|
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Date: |
|------------>
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|05/24/2011 01:18 PM
|
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|------------>
| Subject: |
|------------>
>--------------------------------------------------------------------------------------------------------------------------------------------------|
|RE: [SCL-3] using of system properties in subject of SMTPAppender
|
>--------------------------------------------------------------------------------------------------------------------------------------------------|
Usually a customer is served within one separate thread, isn't it? If yes,
you can use the MDC (mapped diagnostic context). You put a value into it:
MDC.put("CUSTOMER", "SOME NAME") at the begin of the session (probably in a
servlet listener) and reference this value with the layout pattern %X
{CUSTOMER}.
Do not forget to remove the value when session terminates!
Heri
> -----Original Message-----
> From: Zbynek Vavros [mailto:[email protected]]
> Sent: Monday, May 23, 2011 4:18 PM
> To: [email protected]
> Subject: [SCL-3] using of system properties in subject of SMTPAppender
>
>
>
> Hi,
>
> I have a 1 server app and many clients app on different servers.
> Obviously I wanted to know from which server the email comes,
> so I used
> this:
>
> log4j.xml
> <appender name="email" class="org.apache.log4j.net.SMTPAppender">
> <param name="BufferSize" value="512" />
> <param name="SMTPHost" value="my_smtp_host" />
> <param name="From" value="AutoBot" />
> <param name="To" value="[email protected]" />
> <param name="Subject" value="Agent on [${HOSTNAME}] has
> encountered error" />
> <layout class="org.apache.log4j.PatternLayout">
> <param name="ConversionPattern"
> value="%d{HH:mm:ss} [%t] %p %C
> (%L) %x - %m%n" />
> </layout>
> <filter class="org.apache.log4j.varia.LevelRangeFilter">
> <param name="LevelMin" value="error" />
> <param name="LevelMax" value="fatal" />
> </filter>
> </appender>
>
> and since system property has to be setup before configuring
> log4j, I use this in my code.
>
> Main class
> //create system property to hold server name
> System.setProperty("HOSTNAME", InetAddress.getLocalHost
> ().getCanonicalHostName());
>
> //reconfigure log4j so it picks up HOSTNAME property
> DOMConfigurator.configure(getClass().getClassLoader().getResource(
> "log4j.xml"));
>
> Then Im receiving emails with subject like this: "Agent on
> [127.0.0.1] has encountered error".
> So far so good.
> And now I have request to include customer name in subject.
> I have no problem to include it in stack trace, but since I
> cannot set customer name the same way as I did with IP (there
> are multiple customers handled by my app so I cannot just use
> System.setProperty("CUSTOMER", "SOME NAME")).
>
> I though of solution to set this property when exception is
> catched and reconfigure log4j after setting proper customer
> name into system property.
> But I think it is politelly said "ugly".
>
> Can some1 suggest a better way maybe?
>
> Thanks, Zbynek
>
>
>
>
> Kind Regards / Mit
>
> freundlichen Grüßen /
>
> Üdvözlettel / S
>
> pozdravem:
>
>
>
>
>
> Zbynek VAVROS
> (Embedded
> Development
> image moved
>
> to file:
>
> pic20342.gif)
>
>
> Delivery Centre 616 00, Brno
>
> Central Europe Technicka 21
>
> Brno SITE Czech Republic
>
>
>
> (Embedded image moved to
>
> file: pic17964.gif) Phone: 420-53341- x6283
>
> Mobile:
>
> E-mail: [email protected]
>
>
>
>
>
>
>
>
>
> IBM Global Services
>
> Delivery Center Czech
>
> Republic, s.r.o.
>
> Registered address:
>
> Brno, Technicka 2995/21,
>
> Zip code: 61600, Company
>
> ID: 26244535
>
> Entered in the
>
> Commercial Register
>
> maintained by the
>
> Regional Court in Brno
>
> (Part C, Entry 39922)
>
>
>
> IBM Global Services
>
> Delivery Center Czech
>
> Republic, s.r.o.
>
> Sídlo: Brno, Technická
>
> 2995/21, PSČ 61600 IČ:
>
> 26244535
>
> Zapsaná v obchodním
>
> rejstříku, vedeném
>
> Krajským soudem v Brně
>
> oddíl C, vlozka 39922
>
>
>
>
>
>
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