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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » Debugging using "System.out.println" from Java Com

Debugging using "System.out.println" from Java Com

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pmarie

Posted: Fri Aug 02, 2019 5:05 am Post subject: Debugging using "System.out.println" from Java Com

Novice

Joined: 04 Apr 2002
Posts: 23

I need to write data into a log file using "System.out.println" from the Java code of Java Compute nodes (I use IIB v10 and the integration server runs on Linux RH).
This used to be possible with setting "MQSI_RUN_ATTACHED=1" and restarting the integration server, but I was not able to make it work.
Is it still supported in IIB v10? Is there another way?

pmarie

Posted: Fri Aug 02, 2019 6:16 am Post subject:

Novice

Joined: 04 Apr 2002
Posts: 23

I used the following method as a workaround:

public static void logMessage(String msg) {
String logFile = "/tmp/iibLogFile.log";

java.io.FileWriter fw = null;
java.io.BufferedWriter bw = null;
java.io.PrintWriter pw = null;

try {
fw = new FileWriter(logFile, true);
bw = new BufferedWriter(fw);
pw = new PrintWriter(bw);
pw.println(msg);
pw.flush();
} catch(IOException e) {
} finally {
try {
if (pw != null) pw.close();
if (bw != null) bw.close();
if (fw != null) fw.close();
} catch(IOException e) {}
}
}

fjb_saper

Posted: Tue Aug 06, 2019 5:05 am Post subject:

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20696
Location: LI,NY

You might be better off just using java.util.logging with a file appender...
A lot less to manage, and to close...

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MQ & Broker admin

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