System.our and System.err

Hi,
Is there a buffer size for system.out and System.err.
If so how can we retrieve the buffer size.
Thanking You,
Chamal.

There is no way to determine the characteristics of the OutputStream behind System.out or System.err.
You could provide your own streams (via setOut() and/or setErr() methods)...
Why do you need to know?

Similar Messages

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    Hi all,
    This is a stupid newbie question, but I could not find the answer on the Web
    site, so here goes: Where do System.out and System.err get written to? I'm
    trying to deploy some plain-vanilla stateless session beans that do a bunch
    of println() calls, but I can't see the output anywhere! The WebLogic
    Console shows no messages, /myserver/weblogic.log has nothing interesting,
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    and found nothing of interest. What am I missing? Do I have to explicitly
    open a file for System.out and/or System.err? That doesn't sound right...
    - danz

    The simple answer to your questions are no and no.
    I recently logged a problem with BEA WebLogic technical support regarding
    this issue and their response is:
    You have two choices. You can either use standard Java file i/o to write
    your output to a file, or you can use our t3loggingservices to append
    messages into the weblogic.log
    The "jump point" for the logging services is at --
    http://www.weblogic.com/docs51/classdocs/javadocs/weblogic/common/LogService
    sDef.html
    It is actually very easy to use -- after you import the proper packages into
    your web application it is just as easy to use as System.out.println.
    John J. Feigal Voice (651)766-8787 (main)
    Sr. Technical Consultant (651)766-7249 (direct)
    Ensodex, Inc. Fax (651)766-8792
    4105 N. Lexington Ave., Suite 150 email [email protected]
    Arden Hills, MN 55126 WebSite http://www.ensodex.com
    "Jon Wynett" <[email protected]> wrote in message
    news:[email protected]...
    I'm running WebLogic as an NT Service. Is there any way to see the
    System.out.println messages? Can they be redirected to the weblogic.log
    file?
    We were running through a DOS Window and saw all the messages, however we
    ideally want to run Weblogic as a service.
    "Rob Woollen" <[email protected]> wrote in message
    news:[email protected]...
    I'm guessing that you started the server with the .exe file on Windows.
    If you're debugging with printlns, it's generally more conventient to
    use the startWebLogic.sh or startWebLogic.cmd files to start the server
    from a shell.
    By default, you'll see stdout and stderr in the window.
    -- Rob
    Dan Zivkovic wrote:
    Hi all,
    This is a stupid newbie question, but I could not find the answer on
    the
    Web
    site, so here goes: Where do System.out and System.err get written to?I'm
    trying to deploy some plain-vanilla stateless session beans that do abunch
    of println() calls, but I can't see the output anywhere! The WebLogic
    Console shows no messages, /myserver/weblogic.log has nothinginteresting,
    and there are no .log files anywhere that I can see. I even searched/tmp
    and found nothing of interest. What am I missing? Do I have toexplicitly
    open a file for System.out and/or System.err? That doesn't soundright...
    - danz

  • How to capture System.err and System.out in a method?

    Is there some way to capture everything that is sent to System.err or System.out and have it instead go to e.g. a method as a String?
    The reason I want to do is this: I am invoking some method from a class that sends output to System.err and System.out but while that method is run, I want everything that goes to System.out or System.err to instead go to a String buffer or a Swing Scroll Pane.
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    I want everything that goes to System.out or System.err to instead go to a String buffer or a Swing Scroll Pane.Then maybe you should be searching (and then posting) in the Swing forum. Thats where I've seen this question asked and answered many times in the past.

  • 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
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    Write a wrapper class to redirect the std out to what ever stream you want.
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  • System.out and System.err to files

    Hi !
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    I think you could create PrinStreamS from your desired output files and then use System.setOut(<...>) and System.setErr(<...>). Place this code in a servlet that you load at startup...

  • Temporarily routing System.out and System.err to a String

    Hi everybody,
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    PrintStream ps = new PrintStream(taos);
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    Thanks,
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    Too late to the party?
    import java.io.*;
    public class Redirection {
        public static void main(String[] args) {
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            ByteArrayOutputStream baos = new ByteArrayOutputStream();
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  • Rerouting System.out and System.err

    Hi everybody,
    I'm trying to make a small application with an agnostic back end that can print out its progress messages to either the console or a JTextArea, depending on whether the console front end or GUI front end is called. I originally created a small utility class that the agnostic back end extended, in which one could set a variable which told it to use the JTextArea or console. The solution seems a bit clumsy to me, though, so it crossed my mind; does anyone know if there is a way, in the main method of a program, to reroute System.out and System.err to a desired location?
    Basically, I'd like functionality like this:
    Console front end:
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    Thanks for the explanation scphan,
    In that case, I don't think that's exactly what I'm looking for.
    To answer both your question and cotton's:
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    I hope that's clear, sorry if there was any confusion.
    Thanks,
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  • Replace System.out and System.err

    Hi there,
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    cu Errraddicator

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    If anyone's curious and is trying to do this themselves, I eventually asked Oracle, who stated it could not be done.

  • Difference between System.err and System.out

    Hi Everyone !!!
    I could see that System.err is printing an output on the screen as like the System.out.
    I can't understand what is System.err.
    Can anyone explain me the difference between System.out and System.err

    System.out.println -> Sends the output to a standard output stream. Generally monitor.
    System.err.println -> Sends the output to a standard error stream. Generally monitor.
    To find the difference execute the following program and see the output. You will see how those streams can be handled differently.
    public class test
    public static void main(String args[])
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    System.err.println("Standard error stream message");
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    Run the class
    First Execution -
    java test
    Standard output Stream message
    Standard error stream message
    Second Execution -
    java test >op.txt
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    In second execution we diverted only the std output stream and std err stream remained unchanged. i.e., by this way, we can handle error stream separately.
    Another typical use of this stream is to produce log or debug messages at runtime and are diverted them to a file where they are archived for later use.<img class="emoticon" src="images/emoticons/shocked.gif" border="0" alt="" width="16" height="16" />

  • System.out.println() and System.err.println()

    Can any one tell me the difference between System.out.println()
    and System.err.println() ?

    Can any one tell me the difference between
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    and System.err.println() ?sends the output to the 'stderr' stream.
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  • How does javaw (WinXP) threats System.err and System.out?

    Hi, I just faced a problem which is most likely caused by the blocking of System.err.
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    I'm sure about this, cause redirecting these streams had fixed my problem.
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    Bumping.

  • [Feature Request] Seperate tab in log window for System.err

    By default, the stack traces of exceptions (and throwables in general) are printed to the System.err stream. So, wouldn't it be useful to include a 2nd tab for System.err messages?
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  • Passing System.out/System.err as parameters

    I'm sure there must be a simple answer to this that I'm just not seeing, suggestions please.
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    Why don't you use a BufferedWriter() ?

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    Hi,
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    Stefan

    Hi
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