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Full Discussion: Crontab not recognizing the jar files
Operating Systems Linux Crontab not recognizing the jar files Post 302190647 by rajuutla on Wednesday 30th of April 2008 06:36:46 AM
Old 04-30-2008
Question Crontab not recognizing the jar files
Hi All,
I am using crontab which execute a shell script.
In the shell script, I am executing a java program. This Java program requires the jar files.
The cron job file ' cronfile.txt ' contents:

MAILTO="raju_utla@dcis.uohyd.ernet.in"
0-59 * * * * ./cronfile.sh >> /home/rajuutla/FilesForCronJob/logFileForCron.log

The shell script( cronfile.sh ) contents :
#!/bin/bash
#check weather server prog is running or not
test=`ps aux | grep -c java\ PostgresServer`
JAVA_HOME=/opt/SDK/jdk
CLASSPATH=/home/rajuutla/pg74.jdbc3.jar:.
if [ $test -eq 1 ]
then
echo `date`
$JAVA_HOME/bin/java -classpath $CLASSPATH PostgresServer

fi

The java program 'PostgresServer' which i am executing requires the jar file
'pg74.jdbc3.jar' mentioned above.

The problem is, directly running the above shell script with out cron, I am able to get the results. But when I use the crontab to run the java program I am not able to get the results.

What may be the problem? How to resolve this problem? I am unable to find it out.
Please help me.
Thanks to All.
Raju
 

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LEARN ABOUT DEBIAN

airport-linkmon

AIRPORT-LINKMON(1)					      General Commands Manual						AIRPORT-LINKMON(1)

NAME

       airport-linkmon	-  Wireless link quality monitor for the original Apple AirPort Base Station ("Graphite") and the Lucent RG-1000 base sta-
       tion

SYNOPSIS

       airport-linkmon

DESCRIPTION

       airport-linkmon allows you to measure the signal strength and noise on the wireless links between your  base  station  and  its	associated
       wireless hosts.

OPTIONS

       airport-linkmon	accepts  no  command-line  options.  airport-linkmon  is  a  wrapper script around the LinkMonitor.jar jar file located in
       /usr/share/java/airport-utils.

       You can set the JAVACMD environment variable to use a specific JVM instead of the one chosen by the wrapper script. Set the DEBUG  environ-
       ment variable to 1 to get the debug output from the wrapper script.

ENVIRONMENT VARIABLES

       DEBUG  Set this variable to 1 to get the debug output from the wrapper script.

       JAVACMD
	      The  full  path  to  the	Java  Virtual  Machine	to  use.  By  default,	the  wrapper  uses JAVACMD; if it is not set, it looks for
	      JAVA_BINDIR/java, then for JAVA_HOME/bin/java before looking for a java executable in the PATH. In the latter case, the JVM used can
	      be configured using the Debian alternatives system (see update-alternatives(8)).

       JAVA_HOME
	      The full path where your JDK/JRE is installed.

       JAVA_BINDIR
	      The full path to the directory where the java executable is located.

       JAVA_ARGS
	      Extra command-line arguments to be passed to the Java Virtual Machine.

AUTHOR

       airport-linkmon was written by Jon Sevy <jsevy@cs.drexel.edu>.

       This manual page was written by Julien BLACHE <jblache@debian.org>, for the Debian project (but may be used by others).

								   May 20, 2006 						AIRPORT-LINKMON(1)
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