System.out logging

Hi,
I want to identify in which class of BI Beans does the logging of System.out is done. I want to customize the system.out logging, so that all such log entries move into my specified log file instead of server's system.out log file. Can any1 help?
Regards

2. The problem with the above solution is that myapp
has mulitple packages. This means that I have to
import the LogWriter to use it in any file that isnot
in the package where LogWriter resides.Why is that a problem?Maybe nuisance is a better word. It just seems like there should be a way to support a class which can be accessed (without using import) by all sub-packages of a given package.
Btw, Thanks for the other reference... I'm looking into it right now.
J

Similar Messages

Where does System.out.println go?

Hi Everyone: I know I've seen this topic before, but I'm still having some trouble. I would like to debug my EJBs, and so I've added some System.out.println statements to them. Where does that go? I've looked at the defaultTrace.trc files in the
C:\usr\sap\P48\JC00\j2ee\cluster\server0\log
folder, and haven't found any of the text that I think I am writing. I appreciate any guidance! Ian.

Hi lan,
I was facing the same question earlier, and now I think I have figured out one possible answer. Actually, where the System.out.println goes is up to the Server Admin to config. There is a default SYSTEM.OUT log controller ( under location controller side) pre-defined to cater for all System.out.println(). All the System.out.println() output is considered as INFO type log message. However, this default SYSTEM.OUT controller is not assigned with any real log destination, thus, we cannot find the output anywhere.
If you goes to the log configurator (using Visual Admin), you can locate this SYSTEM.OUT controller , and add in a default (Anonymous) destionation for it . (you need to toggle on the advance edit mode from the top menu , then you can add modify the destination settings of a Controller).
For Anonymous destionation, the println() output will sure go to the defaultTrace.trc (better view it using Log Viewer, instead of viewing it from the log file ).
Or , you can define a separate file (e.g. c:\temp\myStd.log ) as the log destination ..
Last but not the least, you need to set the ForceSingleTraceFile setting from 'YES' to 'NO' , then you can see your "myStd.log".
To change the ForceSingleTraceFile , go to Visual Admin, J2EE server --> Kernel --> LogManager.
Hope you find the above useful.

Print System.out.println messages into logs of Weblogic Application Server

Hi,
I use Weblogic Application Server 10.3.6 on Windows 7. The Enterprise Application (J2EE) is deployed into the 'AdminServer' of Weblogic. For debugging purpose, I have added a few System.out.println statements.
I am unable to see the print messages on any of log files available in path 'user_projects > domains > base_domain > servers > AdminServer > logs'. However, I can see them on the 'command' prompt which was used to start the server. How can I get them into one of the log files? What am I missing?
I tried reading other threads on the forum and as per them 'System.out.println' gets logged onto *.out logs which I am unable to find. Only base_domain.log, AdminServer.log, access.log are available in the location.
More Specifics:
Configuration on WLS console 'Home > Servers > AdminServer > Logging'
Log file name: logs/AdminServer.log
Min. Severity to log: Notice (tried with Debug as well)
Advanced Options:
Logging Implementation: JDK
Redirect stdout logging enabled: False (tried both options)
Log file Severity Level: Notice (tried with Debug as well)
Standard Out Severity Level: Notice (tried with Debug as well)
Thanks

Paul,
I just found this on google:
'Generally, developers put a lot of System.out.println statements in their code to perform application debugging. Normally, all standard outputs and error outputs are routed to the console where the OC4J server is started. If you want to capture the standard output and error outputs to files for logging/debugging purposes, then you can use the -out and -err options while starting up the Oc4J server to specify which files to use.'.
http://www.onjava.com/pub/a/onjava/2002/01/16/oracle.html?page=2

Tomcat Java Servlets, how to log System.out.println() messages

I have recently installed a new (x86) Mac OS Xserve, and am porting some Java application Servlets from an existing older Mac OSX server. All the servlets were working (I am connecting via port 9006). I have carefully used the old JDK 1.4 compiler, edited my server.xml (for port 9006) and web.xml files, etc. The Tomcat example servlets work fine, and all my (other) servlets work fine, with one exception, where I get the typically vague "java.io.IOException: Server returned HTTP response code: 500" message.
Trouble is, I cannot get the Java System.out.prinln statements to go to the Tomcat/logs/ log files (they are all there and updating with Tomcat HttpServlet messages), in order to properly debug.
Is there a server.xml value somewhere I can make the change?
On another minor (possibly related) point, does anyone know what the path info ='null' means in the Tomcat access log? e.g.,
StandardContext[/my_servlets]: Mapped to servlet 'myServlet' with servlet path '/myServlet' and path info 'null'
It is the only other suspicious message I get in all the logs.
One other point: my java application that fails uses threads. All the individual classes that use the threads work when run interactively, but as soon as I call them from final Serlet class that extends HttpServlet, I get a null pointer exception. Is there something unique about the Tomcat 4.1 threading that could be causing it?
I want to avoid upgrading to Tomcat 5 at this point, if I can avoid it. My applications are modest in scope, and the last time I upgraded to Tomcat 5, it took me days to get it working properly, and I lost all access to it from the Server Admin application.

I have found a solution: Via the Tomcat Admin web page I set the Context field "Swallow Output" to "true".

How to open the server log file that displays messages of System.out.print

Hi,
I am working on a j2ee project. How can we access the default log file? I have put many System.out.println(..) method in different classes in order to get the program flow and to track the origin of the error.
I opened the a log file named "defaultTrace.0.trc" in usr\sap\J2E\JC00\j2ee\cluster\server0\log installation directory. Although it shows the ecxeptions, It is not showing the messages that i have written to console with the help of System.out.println(..) method.
Can anybody tell me the location of the log file where i can find my messages sent through System.out.println(..) function?
Regards,
Sudheesh...

System.out.println goes to console, which is not a file... This whole thing is much easier if you use standard logging:
http://help.sap.com/saphelp_nw04/helpdata/en/d2/5c830ca67fd842b2e87b0c341c64cd/frameset.htm

How to get System.out msg displayed in logs

Running SJSWSEE6.1 SP5 on Solaris
How do I get the System.out.println messages to display in the Web Server 6.1 error/access log??
Thanks..

Hi,
In your server.xml, check that the properties 'logstderr' and 'logstdout' are set to 'true'. The messages will then appear in the errors log file.
<LOG file="<path to errors file>" loglevel="info" logtoconsole="true"
usesyslog="false" createconsole="false" logstderr="true" logstdout="true" logvsid="false"/>
Also, see docs at http://docs.sun.com/source/817-6248/crsrvrx.html
Hope this helps.

System.out.println in which log file

          We are using weblogic 51 server.
          We have System.out.println's in the servlets but don't see
          it in any log file. Which log file would/should
          it go to.


If you are running a shell script (not as as service) you will see it in
          that shell window, if you run it without a console window (service), you
          usually see nothing.
          If you are using a third party tool to run the server as a service (e.g.
          ServiceMill for Win2k/NT) you usually can set files where you would like
          your output to be redirected.
          If you run the server as a service and don't have this option you can do
          it yourself by setting System.setErr / System.setOut, e.g. in a
          startup-class
          Daniel
          -----Ursprüngliche Nachricht-----
          Von: smita [mailto:[email protected]]
          Bereitgestellt: Mittwoch, 6. Juni 2001 18:54
          Bereitgestellt in: servlet
          Unterhaltung: System.out.println in which log file
          Betreff: System.out.println in which log file
          We are using weblogic 51 server.
          We have System.out.println's in the servlets but don't see
          it in any log file. Which log file would/should
          it go to.

System.out.println logged to ?

I am using Oracle 9ias 9.0.3 java edition.
I have deployed a war file successfully using EM.
i HAVE System.out.println statements in my servlets. I was unable to find any documents which tell me where these statements will be logged?
Any one help me.

Go to server properties page of OEM and edit OC4J options under Command Line Options. You will have to specify the OC4J option -out filename to capture the System.out messages. You can also specify the option -err filename to capture all the errors.
check out http://technet.oracle.com/tech/java/oc4j/htdocs/oc4j-logging-debugging-technote.html

Where does the logging happens for System.out.println

Hello:
I'm usingNetWeaver 2004sJava SP9 evaluation version. Added some System.out.println to the ejbs. Would like to know where to look for the logging details in this case.
Thanks for your help,
Ravi

Hi,
By default, if the setting has been done, then it appears in defaultTrace as mentioned. For configuration of it, refer to this link.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/db315878-0801-0010-928e-98c8283616d3
Reward points if it helps.
Regards,
Vijai

How to :Logging or System.out.println????

Hi,
Iam not able to see any System.out.println output in SAP? where exactly can i see it? any configuration required to enable logging? if so how?? please help

Hi Sujesh,
see https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/com.sap.km.cm.docs/library/events/webinars/using logging and tracing on the sap web as java.pdf pages 12-17 and pages 22-24.
Also see http://help.sap.com/saphelp_nw04/helpdata/en/e2/75a74046033913e10000000a155106/frameset.htm for portal specific logging issues.
Hope it helps
Detlev

System.out and System.err How to get to show up in log

Does anyone know if there is anyway to get System.out and System.err
messages to appear in the log?
Trying to build and debug a JSP project is a complete nightmare when the
remote developers cannot see System.out or System.err messages from helper
classes.
Platform= Windows NT 4.0
Weblogic running as a Service
Thanks in advance!

Write a wrapper class to redirect the std out to what ever stream you want.
HTH
Saman

System.out/err log file redirection

Hi,
Do u know if System.out/err are redirected in
a log file with Oracle 9ias 9.0.4 (Production Release) ?
If yes, which one ?
Thanks

You may be looking for the stdout/stderr process output.
Almost all components in Oracle Application Server 10g
(9.0.4) are managed (at the process level) by OPMN. To
preserve the stdout and stderr of every process, all
processes started by OPMN have their stdout/stderr
redirected to a file (one file for each running process).
This file is sometimes referred to as the "console log".
Console logs are located in $OH/opmn/logs and have a
filenames containing '~' chars. Identifying which
console log file is associated with which process
should be intuitive.
When a process terminates and is replaced by a new
process, console log output from the previous process is
preserved and the replacement process appends to the
end of the console log file.

URGENT : System.out AND OACorexx files! log files more than 4Giga

Hi all,
I have a client with a custom done in OAF where there are a lot of System.out... and System.err "logs" print.
The problem is that these logs are written in OACorexxx files under Apache/Jserv/logs/jvm directory: in only 4 days more than 4G size!
Is possible to disable this logs?
Thanks,
Carlo

Calling java.lang.System.setOut(PrintStream out) will allow you to redirect the System.out calls. You can direct them to null.
--Shiv

Java Beans System.out.println Log file

Helllo,
I have Forms 11.1.2 installed on linux. I developed a java bean and put some System.out.println() statements. The bean itself is working but where do i look for the debug statement logs that i am generating via System.out.println() statements.
Please let me know if you need more information, I will post asap.
thanks in advance,
Prasad.

Prabodh,
thanks, added the following line to the implementation class in java bean:
private final static Logger logger = Logger.getLogger(MyBean.class.getName());
and then in the init() method, i put
logger.info("Prasad .... in init);
Does this automatically goes into weblogic managed server WLS_FORMS (in my case) standard out?
Or do i need to do anything else, i know weblogic comes up with its own diagnostic logging and is famous for supressing other loggers.... just want to run this by you as well.
thanks,
Prasad,

Where does system out or log statements go in ISA-CRM?

We have added some system out print and log.error statments in a new java class file.
Can anybody tell where does these statements go, I mean to which log file. I was hoping defaultTrace.0.log, but could n't find.
We are using CRM/ISA b2b.
Thanks in advance.

Mark,
Here the steps for session trace:
1. logon to the XCM administrator
http://mycompnay.com:50000/b2b/admin/xcm/init.do
2. Go to General Settings->Customer->b2b->b2bconfig.
3. In the right side frame select true as the value of the parameter logfiledownload.
4. open URL http://mycompnay.com:50000/b2b/admin
5. Click on logging - > session tracing
6. you will see a partial URL in the next jsp page inside a text field. complete this URL for eg.
http://mycompnay.com:50000/b2b/b2b/init.do
7. Click start application. This will bring up the logon page in a separate browser window.
8. In the previous window click Start Session Tracing.
This will create two hyperlinks with a long name begining with session appended by the date and session ID.
9. Move to the new window where logon.jsp was started and execute whatever steps necessary in the B2B application till you execute the code segments containing your log entries.
10. Come back to the previous window and click on the hyperlink for the logfile under the caption "download"
This will open the session log file as a zip -> text document and you can search for your log entries there.
Thx,
Bharat.

System.out logging

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