Redirecting the shell output to a file [duplicate]

StackOverflow https://stackoverflow.com/questions/21602441

Question

I am working on AIX 6 where I am running a java command on a Korn Shell and I am trying to debug the class loading issue. I put -verbose:class to print the class loaded and then >>/home/user/log.log to get the console out put in a file. The log.log file is got created but its of zero size. File is not containing any information and all the verbose details are ripping through the screen in a flash. 

/usr/IBM/WebSphere/AppServer/java/bin/java -verbose:class -cp "XXXXX" com.ibm.XXXX >>/home/user/log.log
Was it helpful?

Solution

Try redirecting stderr also:

/usr/IBM/WebSphere/AppServer/java/bin/java -verbose:class -cp "XXXXX" com.ibm.XXXX >>/home/user/log.log 2>&1

Your Java code might be writing on stderr that your command isn't redirecting.

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