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| Message Broker redirect of stderr |
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| vivica12 |
 Posted: Fri Aug 17, 2007 9:52 am Post subject: Message Broker redirect of stderr |
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Acolyte
Joined: 13 Jul 2007
Posts: 58
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I have Message Broker v6.1 installed. One of our development teams is using lo4j as a logging routine for all DataFlowEngines. Log4j writes it's output to stderr/stdout. I have finally found where these logs are located:
eg of log location for java component within MB:
/opt/IBM/MBRDEV/components/MBRDEV/e041b46d-1301-0000-0080-bd7ca5901427
This location is not intuitive, or easy to allow development access to for easy debugging.
Is there a way to change the location of the stderr/stdout files? I know that I can use the IBM_JAVA_OPTIONS to set properties on the Broker startup, but can't seem to find a cmd line property to redirect these.
We have attempted to change the log location within the log4j app using,
System.setOut(new PrintStream(new FileOutputStream(new File(SYSTEM_OUT_LOCATION)), appendToFile));
This was able to create and output a file where we wanted, but continuously over-wrote the file, rather then appending. We obviously need to keep the data in the file for debugging, rather then overwriting for each entry.
Any thoughts.
thanks
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Vivica - signing off |
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| mlafleur |
| Posted: Fri Aug 17, 2007 2:20 pm Post subject: |
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Acolyte
Joined: 19 Feb 2004
Posts: 73
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Create symbolic links using ln -s
OR
if you are going to use the change log location approach, do not create a new File every time -- reuse the same file object |
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| jefflowrey |
| Posted: Fri Aug 17, 2007 2:40 pm Post subject: Re: Message Broker redirect of stderr |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| vivica12 wrote: |
| I have Message Broker v6.1 installed. |
There is not a released version of v6.1.
If you are using a version of 6.1, then either you are very confused, or you are discussing things in a public forum that you have likely agreed NOT TO DISCUSS in a PUBLIC FORUM.
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I am *not* the model of the modern major general. |
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| vivica12 |
| Posted: Mon Aug 20, 2007 5:15 am Post subject: apologies |
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Acolyte
Joined: 13 Jul 2007
Posts: 58
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My apologies 
We had just been discussing the upcoming 6.1 and our possible plans before I posted this note, as well as being invovled in Websphere 6.1. We are on 6.0 in the environment. Sorry for my slip.
But the same issue still exists. Is there a cmd line option to be used wtih IBM_JAVA_OPTIONS for defining where your stderr/stdout write to? It does not seem to be configurable within Message Broker, as it is in something like Websphere App Server.
thanks
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| jefflowrey |
| Posted: Mon Aug 20, 2007 5:26 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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It is not configurable with MB v6.
However, if you're already logging everything to stdout/stderr using Log4J, then you can configure where Log4J puts stdout/stderr. 
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