On IBM AIX operating system when you try to deploy/start  application from Administrator GUI it takes  2 and 3 hours to start up.
Event though no OS patches, hardware upgrade or tibco config changes were done on the server.
When you try to start the application from command line, the application does not start and stuck at some point like below-

$ ./Application-name.sh
Using property file /app/tibco/BW5/tra/domain/ANZW_PRD/application/EnvironmentMonitor/EnvironmentMonitor-EnvironmentMonitor.tra
Using work space directory /app/tibco/BW5/tra/domain/ANZW_PRD/application/EnvironmentMonitor/working/EnvironmentMonitor-EnvironmentMonitor
Creating trace file /app/tibco/BW5/tra/domain/ANZW_PRD/application/logs/EnvironmentMonitor-EnvironmentMonitor.log
Using XMLReader org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser
2018 May 03 18:04:52:222 GMT +1000 BW.EnvironmentMonitor-EnvironmentMonitor Info [BW-Core] BWENGINE-300001 Process Engine version 5.13.0, build V24, 2015-8-11
2018 May 03 18:04:52:233 GMT +1000 BW.EnvironmentMonitor-EnvironmentMonitor Info [BW-Core] BWENGINE-300009 BW Plugins: version 5.13.0, build V24, 2015-8-11
2018 May 03 18:04:52:241 GMT +1000 BW.EnvironmentMonitor-EnvironmentMonitor Info [BW-Core] BWENGINE-300010 XML Support: TIBCOXML Version 5.60.0.003
2018 May 03 18:04:52:241 G
2018 May 03 18:04:52:241 GMT +1000 BW.EnvironmentMonitor-EnvironmentMonitor Info [BW-Core] BWENGINE-300011 Java version: IBM J9 VM 2.8
2018 May 03 18:04:52:242 GMT +1000 BW.EnvironmentMonitor-EnvironmentMonitor Info [BW-Core] BWENGINE-300012 OS version: ppc64 AIX 7.1

No exception is shown in hawk.log,tsm.log, Administrator.log, Application.log file.