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Technically the Watchdog Script is used to start the Controller from its controller_instance.sh|.cmd Instance Start Script.
In the following situations the Watchdog Script will restart the Controller:
- For the command line operation:
controller_instance.sh|.cmdrestart - For the Terminate and Restart and Abort and Restart operations available from the JOC Cockpit Dashboard view.
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The Watchdog Script will capture output to the stdout/stderr channels through the lifetime of a Controller.
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- The log file reports the command line used to start the Controller.
- The log file holds information about use of a JS7 - License.
- The log file is an important source for analysis of problems:
- Any warnings and errors that will not make it for Log4j logging is are reported to the log file.
- The same applies to warnings and errors that occur before the JVM is initialized and before Log4j logging can start, for example if an incomptible Java version is used when starting the Controller.
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-bash-4.2$ ps -ef | grep '\-training' sos 20602 1 0 Aug15 ? 00:00:00 /bin/sh /home/sos/training/controller/controller.home/bin/controller_watchdog.sh -training -bash-4.2$ ps -ef | grep 9444 sos 20604 20602 1 Aug15 ? 02:28:50 /opt/java/jdk-21/bin/java -DJS7.Controller=training -Xmx256m -Djava.security.egd=file:///dev/urandom -Dfile.encoding=UTF-8 -Dlog4j2.contextSelector=org.apache.logging.log4j.core.async.AsyncLoggerContextSelector -Dlog4j2.asyncLoggerWaitStrategy=Block -classpath /home/sos/training/controller/controller.home/lib:/home/sos/training/controller/controller.home/var/config/patches/*:/home/sos/training/controller/controller.home/var/config/lib/*:/home/sos/training/controller/controller.home/lib/patches/*:/home/sos/training/controller/controller.home/lib/user_lib/*:/home/sos/training/controller/controller.home/lib/sos/*:/home/sos/training/controller/controller.home/lib/3rd-party/* js7.controller.ControllerMain --id=training --http-port=localhost:9444 --https-port=centostest_primary:9444 --config-directory=/home/sos/training/controller/controller.home/var/config --data-directory=/home/sos/training/controller/controller.home/var |
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