I have already made it clear accessing a JMS Queue for logging purposes is not advisable..
-----Original Message-----
From: Igor Cunko [mailto:icunko@(protected)]
Sent: Tuesday, September 30, 2003 4:39 PM
To: J2EEPATTERNS-INTEREST@(protected)
Subject: Re: How does ejbs do logging?
If that is your concern make JMS to use persistent store. That way you will
not lose any messages.
Igor
> -----Original Message-----
> From: Vadlamudi, Ranga Rao (Cognizant) [mailto:VRanga@(protected)]
> Sent: Tuesday, September 30, 2003 1:39 AM
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: How does ejbs do logging?
>
> But still there is a risk as we are holding the messages in memory before
> writing to file for sometime if the server crashes or down then we will
> loose the messages.
>
> -----Original Message-----
> From: Dhiren Mehta [mailto:dhirenm@(protected)]
> Sent: Tuesday, September 30, 2003 10:39 AM
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: How does ejbs do logging?
>
>
> Hi,
>
> You can use Log4J Async Appender. This appends the log (text) file in
> async. mode and does not block the caller, which drastically improves the
> performance.
>
>
>
> -----Original Message-----
> From: Vadlamudi, Ranga Rao (Cognizant)
> [mailto:VRanga@(protected)
> ent: Monday, September 29, 2003 5:44 PM
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: How does ejbs do logging?
>
> << File: InterScan_Disclaimer.txt >> Accessing JMS Queue for logging will
> also create performance problems better to write a memory Queue instead of
> JMS Queue
>
> -----Original Message-----
> From: BOWMAN, James [mailto:James.Bowman@(protected)]
> Sent: Monday, September 29, 2003 4:53 PM
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: How does ejbs do logging?
>
>
> Use log4j by all means. However, you may not use the log4j file appender
> as
> this writes to the file system which is not allowed within the EJB
> container. As an alternative, I am suggesting that you use the log4j JMS
> appender to write to a JMS queue. You can then have a simple logging
> server
> that simply takes messages from the JMS queue and then writes them to the
> log using either the log4j database or file appender depending upon where
> you wish to store your log.
>
> -----Original Message-----
> From: Senthil Kumar M [mailto:senthilkumar.ma@(protected)]
> Sent: 29 September 2003 12:07
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: [J2EEPAT-INT] How does ejbs do logging?
>
>
>
> If there's something better available like log4j then why do we have to
> Build a server to replicate the functionalities of an existing one.
> - senthil
>
>
>
>
> "BOWMAN, James"
> <James.Bowman@(protected):
> J2EEPATTERNS-INTEREST@(protected)
> .SLB.COM> cc: (bcc:
> senthilkumar.ma/Polaris)
> Sent by: An interest list Subject: Re: How
> does ejbs do logging?
> for Sun Java Center J2EE
> Pattern Catalog
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> VA.SUN.COM>
>
>
> 09/29/2003 04:24 PM
> Please respond to An
> interest list for Sun
> Java Center J2EE Pattern
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>
>
>
>
>
>
> Build a logging server that actually performs the database write. This
> server can then sit on a JMS queue to which your application can send
> messages to. That way your database writes are performed asynchronously.
>
> -----Original Message-----
> From: Vadlamudi, Ranga Rao (Cognizant) [mailto:VRanga@(protected)]
> Sent: 29 September 2003 11:54
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: [J2EEPAT-INT] How does ejbs do logging?
>
>
> If we start logging to database then iam sure it will become a performance
> issue for a high transaction application..
>
> -----Original Message-----
> From: BOWMAN, James [mailto:James.Bowman@(protected)]
> Sent: Monday, September 29, 2003 3:44 PM
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: Re: How does ejbs do logging?
>
>
> Log to the database. Accessing the file system is not allowed within the
> EJB container. If you really wish to have a log file, the code that
> writes
> to the file must run outside of the container. EJBs can then make calls
> to
> this "logging server" using RMI, sockets or JMS.
>
> -----Original Message-----
> From: peng wang [mailto:wp0@(protected)]
> Sent: 26 September 2003 15:56
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: [J2EEPAT-INT] How does ejbs do logging?
>
>
> Hi,
>
> I heard of the ejbs cannot access local file system,
> is it true? if true, I wonder how ejbs do logging
> into files such as printing debug info.
>
> In addition, if there are two session beans which are
> packed in two different jar files, the two jar files
> are deployed within one same ejb container. Can one
> session call the other by using local interface?(The
> local interface has been implemented.)
>
> Thanks for help!
>
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