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My self Adinarayana working as Implementation Application DBA with advanced technologies like RAC/PCP,OID/SSO,DMZ,Exadata and Fusion Middleware i.e Demantra,Application Server,SOA,FMW,BPEL and UPK. Created this blog to share the useful information related to DBA and Application DBA Your comments and suggestions are most welcome. Disclaimer: Please note all the views and opinions expressed in this site are my own. It's not recommend to use the fixes/suggestions provided in this site directly in production instance, please test them before implementing.

Wednesday, July 24, 2013

MWA – Cannot establish telnet session to MWA server

Check if you are able to telnet to the box from your local machine command prompt
Example :
From local machine CMD prompt
C:\telnet test.oracle.com 30000
If you are not able to ping ,that means MWA server is down.
You have to check for all telnet ports where MWA server is running.
For MWA and Dispatchher Port informatiom :
=========================================
cd $MWA_TOP/secure
file ” mwa.cfg “
grep for : “mwa.TelnetPortNumber” and “mwa.Dispatcher”
eg :
mwa.TelnetPortNumber=30000,30002,30004
mwa.Dispatcher=test.oracle.com:30030
From SSH in the box ,check if the ports are listening
Example :
$ netstat -an|grep 30000
The log details are available in nohup.out file
Start MWA server
=================
MWA start/stop scripts are available in $MWA_TOP/bin directory
Start the MWA server with the following commands:
cd $MWA_TOP/bin
$nohup ./mwactl.sh start 30000 1> nohup.out 2>&1 &
$nohup ./mwactl.sh start 30002 1> nohup.out 2>&1 &
$nohup ./mwactl.sh start 30004 1> nohup.out 2>&1 &
$nohup ./mwactl.sh start_dispatcher 1> nohup.out 2>&1 &

MWA Troubleshooting Tips for Release 12 (Doc ID 782162.1)

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