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DISCLAIMER: Enabling this logging may reveal sensitive information in the log. This configuration should not be used in production systems.
This article provides instructions on how to enable SSL debug logging in the application server log in order to troubleshoot certificate issues.
Open the setenv.(sh|bat) file located in <APPIAN_HOME>/tomcat/apache-tomcat/bin. Near the top of the file there is a list of export/set CATALINA_OPTS lines. Add the following line to the bottom of the list:
<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 process.
Add the following to the CUSTOM_JAVA_OPTS variable in standalone.custom.(sh|bat) <JBOSS_HOME>/bin:
CUSTOM_JAVA_OPTS
<JBOSS_HOME>/bin
-Djavax.net.debug=ssl:handshake
Then restart the JBoss process.
This article applies to all versions of Appian.
Last Reviewed: March 2020