How does ejbs do logging?

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How does ejbs do logging?

How does ejbs do logging?

2003-09-29 - By Katz Guy

Back

Reply: 1 2 3 4 5 6 7 8 9 10 >>

Hi;
Actually, the logging server option is the only 'spec complient' way of
dealing with logging from EJBs that I know. Due to the fact that you are not
supposed to do file IO from EJBs.
Its really weird that sun did not provide a standard way of logging for
EJBs. Having a different server doing the pulling from JMS
destinations/reading from sockets etc is usually out of the question for
most apps and that's why most vendors allows logging to files by default.
Any thoughts?

-- --Original Message-- --
From: BOWMAN, James [mailto:James.Bowman@(protected)]
Sent: Monday, September 29, 2003 1:55 PM
To: J2EEPATTERNS-INTEREST@(protected)
Subject: Re: How does ejbs do logging?

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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<P><FONT SIZE=2>Hi;</FONT>
<BR><FONT SIZE=2>Actually, the logging server option is the only 'spec
complient' way of dealing with logging from EJBs that I know. Due to the fact
that you are not supposed to do file IO from EJBs.</FONT></P>

<P><FONT SIZE=2>Its really weird that sun did not provide a standard way of
logging for EJBs. Having a different server doing the pulling from JMS
destinations/reading from sockets etc is usually out of the question for most
apps and that's why most vendors allows logging to files by default.</FONT></P>

<P><FONT SIZE=2>Any thoughts?</FONT>
</P>

<P><FONT SIZE=2>-- --Original Message-- --</FONT>
<BR><FONT SIZE=2>From: BOWMAN, James [<A HREF="mailto:James.Bowman@(protected)
.SLB.COM">mailto:James.Bowman@(protected)</A>] </FONT>
<BR><FONT SIZE=2>Sent: Monday, September 29, 2003 1:55 PM</FONT>
<BR><FONT SIZE=2>To: J2EEPATTERNS-INTEREST@(protected)</FONT>
<BR><FONT SIZE=2>Subject: Re: How does ejbs do logging?</FONT>
</P>
<BR>

<P><FONT SIZE=2>Build a logging server that actually performs the database
write.  This</FONT>
<BR><FONT SIZE=2>server can then sit on a JMS queue to which your application
can send</FONT>
<BR><FONT SIZE=2>messages to.  That way your database writes are performed
asynchronously.</FONT>
</P>

<P><FONT SIZE=2>-- --Original Message-- --</FONT>
<BR><FONT SIZE=2>From: Vadlamudi, Ranga Rao (Cognizant) [<A HREF="mailto:VRanga
@(protected)">mailto:VRanga@(protected)</A>]</FONT>
<BR><FONT SIZE=2>Sent: 29 September 2003 11:54</FONT>
<BR><FONT SIZE=2>To: J2EEPATTERNS-INTEREST@(protected)</FONT>
<BR><FONT SIZE=2>Subject: Re: [J2EEPAT-INT] How does ejbs do logging?</FONT>
</P>
<BR>

<P><FONT SIZE=2>If we start logging to database then iam sure it will become a
performance</FONT>
<BR><FONT SIZE=2>issue for a high transaction application..</FONT>
</P>

<P><FONT SIZE=2>-- --Original Message-- --</FONT>
<BR><FONT SIZE=2>From: BOWMAN, James [<A HREF="mailto:James.Bowman@(protected)
.SLB.COM">mailto:James.Bowman@(protected)</A>]</FONT>
<BR><FONT SIZE=2>Sent: Monday, September 29, 2003 3:44 PM</FONT>
<BR><FONT SIZE=2>To: J2EEPATTERNS-INTEREST@(protected)</FONT>
<BR><FONT SIZE=2>Subject: Re: How does ejbs do logging?</FONT>
</P>
<BR>

<P><FONT SIZE=2>Log to the database.  Accessing the file system is not
allowed within the</FONT>
<BR><FONT SIZE=2>EJB container.  If you really wish to have a log file,
the code that writes</FONT>
<BR><FONT SIZE=2>to the file must run outside of the container.  EJBs can
then make calls to</FONT>
<BR><FONT SIZE=2>this "logging server" using RMI, sockets or JMS.<
/FONT>
</P>

<P><FONT SIZE=2>-- --Original Message-- --</FONT>
<BR><FONT SIZE=2>From: peng wang [<A HREF="mailto:wp0@(protected)">mailto:wp0
@(protected)</A>]</FONT>
<BR><FONT SIZE=2>Sent: 26 September 2003 15:56</FONT>
<BR><FONT SIZE=2>To: J2EEPATTERNS-INTEREST@(protected)</FONT>
<BR><FONT SIZE=2>Subject: [J2EEPAT-INT] How does ejbs do logging?</FONT>
</P>
<BR>

<P><FONT SIZE=2>Hi,</FONT>
</P>

<P><FONT SIZE=2>I heard of the ejbs cannot access local file system,</FONT>
<BR><FONT SIZE=2>is it true? if true, I wonder how ejbs do logging</FONT>
<BR><FONT SIZE=2>into files such as printing debug info.</FONT>
</P>

<P><FONT SIZE=2>In addition, if there are two session beans which are</FONT>
<BR><FONT SIZE=2>packed in two different jar files, the two jar files</FONT>
<BR><FONT SIZE=2>are deployed within one same ejb container. Can one</FONT>
<BR><FONT SIZE=2>session call the other by using local interface?(The</FONT>
<BR><FONT SIZE=2>local interface has been implemented.)</FONT>
</P>

<P><FONT SIZE=2>Thanks for help!</FONT>
</P>

<P><FONT SIZE=2>__ ____ ____ ____ ____ ____ ______</FONT>
<BR><FONT SIZE=2>Do you Yahoo!?</FONT>
<BR><FONT SIZE=2>The New Yahoo! Shopping - with improved product search</FONT>
<BR><FONT SIZE=2><A HREF="http://shopping.yahoo.com" TARGET="_blank">http:/
/shopping.yahoo.com</A></FONT>
</P>

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