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DISCLAIMER: Enabling this logging may reveal sensitive information in the log.
This article provides instructions on how to enable SSL debug logging in the application server log in order to troubleshoot certificate issues.
Add the following line to the setenv.sh (.bat) file located in <APPIAN_HOME>/tomcat/apache-tomcat/bin:
<APPIAN_HOME>/tomcat/apache-tomcat/bin
Linux (.sh):
export CATALINA_OPTS="$CATALINA_OPTS -Djavax.net.debug=ssl"
Windows (.bat):
set CATALINA_OPTS=%CATALINA_OPTS% -Djavax.net.debug=ssl
Then restart the Tomcat server.
Add the following to the CUSTOM_JAVA_OPTS variable in standalone.custom.sh (.bat):
CUSTOM_JAVA_OPTS
-Djavax.net.debug=ssl:handshake
Then restart the JBoss server.
This article applies to all versions of Appian.
Last Reviewed: March 2020