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How Can I Pipe the Java Console Output to log file

Posted on 2014-01-02
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Last Modified: 2014-01-12
Good day,

Let me know how to pipe the console info to a log file

thank you
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Question by:roy_sanu
  • 5
7 Comments
 
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Expert Comment

by:dpearson
ID: 39750919
Do you mean?

java -jar my.jar > /tmp/mylog.log 2>&1

(Or use 'tee' if you want it in the log file and still on the console
http://linux.101hacks.com/unix/tee-command-examples/)

Doug
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Author Comment

by:roy_sanu
ID: 39750929
I am not able to capture console errors  to an log file

public class MIDSkipPolicy implements SkipPolicy {

	
	private static final Log log = LogFactory.getLog(MIDSkipPolicy.class);

	private Integer skipLimit = null;

	@Override
	public boolean shouldSkip(Throwable throwable, int skipCount)
			throws SkipLimitExceededException {
		
		StringBuffer stringBuffer = new StringBuffer();
		
		if (throwable instanceof FlatFileParseException) {
			int linenumber = ((FlatFileParseException) throwable).getLineNumber();
			String input = ((FlatFileParseException) throwable).getInput();
			
			stringBuffer.append("Parsing exception encountered on line #" + linenumber + "; input = " + input);
			log.error(stringBuffer.toString());
		} else {

			stringBuffer.append("Exception thrown causing record to be skipped: ");
			stringBuffer.append(throwable.getMessage());
			log.error(stringBuffer.toString());
			log.debug(throwable);
		}
		
		if (getSkipLimit() <= skipCount && getSkipLimit() > 0) {
			SkipLimitExceededException skipLimitExceededException = new SkipLimitExceededException(skipCount, throwable);			
			log.error(skipLimitExceededException.getMessage());			
			log.debug(skipLimitExceededException);
			
			throw skipLimitExceededException;
		}
		
		return true;
	}

	public int getSkipLimit() {
		return skipLimit;
	}

	public void setSkipLimit(int skipLimit) {
		this.skipLimit = skipLimit;
	}
}

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Author Comment

by:roy_sanu
ID: 39751100
Adding try catch block  but it is not  able the  capture error to log files.........
where is the issue ......... Any right comments are highly appreciable............

try {
		        logger.setLevel(Level.INFO);

} catch (Exception ex) {
		         // Log the stack trace
		         logger.(Level.SEVERE, ex.getMessage(), ex);
		      }

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Expert Comment

by:CEHJ
ID: 39751158
That looks like the badly-documented java.util.logging. If so, you can specify the location of log files with the logging.properties file, the location of which itself you can specify as a jvm property

http://www.crazysquirrel.com/computing/java/logging.jspx
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Author Comment

by:roy_sanu
ID: 39760007
i have added like this
 

but am not able to pipe console error  to a log4j... still it is showing in the console...
do not want to see the error in the console,

log4j.properties file

log4j.rootLogger=ERROR, CONSOLE, FILE

# Main appender
log4j.appender.CONSOLE=org.apache.log4j.ConsoleAppender
log4j.appender.CONSOLE.Target=System.out
log4j.appender.CONSOLE.layout=org.apache.log4j.PatternLayout
log4j.appender.CONSOLE.layout.ConversionPattern=%d{yyyy-MM-dd HH:mm:ss} %-5p %c{1}:%L - %m%n


# skip logger
log4j.logger.com.tax.care.listener.MIDSkipPolicy=ERROR, skipappender,summaryappender, CONSOLE, File
log4j.additivity.com.tax.care.listener.MIDSkipPolicy=false

log4j.appender.skipappender=com.tax.care.log.MidLogAppender
log4j.appender.skipappender.File=skipped
log4j.appender.skipappender.MaxFileSize=10MB
log4j.appender.skipappender.MaxBackupIndex=2
log4j.appender.skipappender.File.Append=false
log4j.appender.skipappender.File.BufferedIO=true
log4j.appender.skipappender.File.DatePattern=.yyyy-MM-dd
log4j.appender.skipappender.layout=org.apache.log4j.PatternLayout
log4j.appender.skipappender.layout.ConversionPattern=%d %m%n

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Accepted Solution

by:
roy_sanu earned 0 total points
ID: 39762794
removed the

summaryappender, CONSOLE, File

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yes i could able to log the record
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Author Closing Comment

by:roy_sanu
ID: 39774461
removed the console it is working fine
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