RE: [SCL-3] using of system properties in subject of SMTPAppender

2011-05-25 Thread Zbynek Vavros 

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
   
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RE: [SCL-3] using of system properties in subject of SMTPAppender

2011-05-25 Thread Zbynek Vavros 

Hi,

thx for advice but since default SMTPAppender does not allow usage of
PatternLayout in subject
I needed to implement this by extedning usual SMTPAppender.
Now it works just fine :)
   
 Kind Regards / Mit
 freundlichen Grüßen / 
 Üdvözlettel / S   
 pozdravem:
   
   
 Zbynek VAVROS (Embedded
 Development image moved
to file:
   pic1.gif)
   
 Delivery Centre  616 00, Brno 
  Central Europe  Technicka 21 
Brno SITE Czech Republic   
   
 (Embedded image moved to  
   file: pic01271.gif)Phone: 420-53341- x6283  
  Mobile:  
  E-mail: zbynek_vav...@cz.ibm.com 
   
   
   
   
   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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  |05/24/2011 01:18 PM  
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RE: [SCL-3] using of system properties in subject of SMTPAppender

2011-05-24 Thread Bender Heri 
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:zbynek_vav...@cz.ibm.com] 
 Sent: Monday, May 23, 2011 4:18 PM
 To: log4j-user@logging.apache.org
 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=my_em...@someserver.com /
   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 
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 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: zbynek_vav...@cz.ibm.com

   

   

   

   

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