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Full Discussion: Crontab not starting the application in every minute...
Top Forums Shell Programming and Scripting Crontab not starting the application in every minute... Post 302732213 by Binoy Sankar on Friday 16th of November 2012 10:55:06 PM
Old 11-16-2012
Crontab not starting the application in every minute...
Hi Friends,

I have developed a standalone java application which is deployed in a Linux environment. I have created a script for starting this application if the process is not running or else do nothing.
The application is deployed as a .jar. I have also created a crontab entry like this...

Code:
*/1 * * * * /app/prd-data/abc/def/xyzMonitor.sh

This is the contents of the xyzMonitor.sh script...
Code:
#!/bin/bash 
# check daemon 
ps -ef | grep -v grep | grep common.App 
# if not found - notequals to 0, start it 
if [ $? -ne 0 ] 
then 
nohup /app/wl-data/Oracle/Middleware/jdk160_21/bin/java -cp Application.jar *.common.App & 
else 
echo "XYZ Watcher already running - do nothing" 
fi

The issue now is that even after one minute the crontab is not picking the script for running this application.
Can someone help me what is the issue here, whether the script is not correct or any others.

P.S: I am a Linux noob and this development is done for my company. I have done the deployment by getting info from various websites. So I might be wrong in this.
Experts please advice to solve this issue.



Thanks in advance,
Binoy
 

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LEARN ABOUT SUNOS

asadmin-list-components

asadmin-list-components(1AS)					   User Commands				      asadmin-list-components(1AS)

NAME

       asadmin-list-components, list-components - Lists deployed components

SYNOPSIS

       list-components	 --user   admin_user[--password  admin_password][--host  localhost]  [--port  4848][--secure|-s][--passwordfile  filename]
       [--terse=false] [--echo=false] [--interactive] [--type application|ejb|web|connector]

       list-components lists your deployed J2EE components. If the --type option is not specified, all components are listed. The  available  type
       values are: application (default), ejb, web, and connector. This command is supported in remote mode only.

OPTIONS

       --user		       authorized domain application server administrative username.

       --password	       password to administer the domain application server.

       --host		       machine name where the domain application server is running.

       --port		       port number of the domain application server listening for administration requests.

       --secure 	       if true, uses SSL/TLS to communicate with the domain application server.

       --passwordfile	       file containing the domain application server password.

       --terse		       indicates that any output data must be very concise, typically avoiding human-friendly sentences and favoring well-
			       formatted data for consumption by a script.

       --echo		       setting to true will echo the command line statement on the standard output.

       --interactive	       prompts you for the required options that are not already specified.

       --type		       identifies the type of component to be listed; defaults to application.

       Example 1: Using list-components

       asadmin> list-components --type application
       sampleApp J2EE-application
       Command list-components executed successfully

       Where: the applications that were deployed are listed.

EXIT STATUS

       0		       command executed successfully

       1		       error in executing the command

       asadmin-show-component-status(1AS), asadmin-list-sub-components(1AS)

J2EE 1.4 SDK							    March 2004					      asadmin-list-components(1AS)
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