Monitoring and Logging locations in the OutSystems Platform

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Platform Troubleshooting

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• Service Center Error Logs
• Environment Health
• .Net stack troubleshoot
– Event Viewer
• Java stack troubleshoot
– Logs
– Web ports
– Platform internals
– JBoss traces
Information Sources

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Service Center
• Logs

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Error Log - Includes an entry, every time a platform or application error
occurs;
General Log - Reserved for application specific logging or tracing. Some
platform informative entries are also registered (e.g. slow queries);
Screen Log - Includes an entry for each access to a Screen, either WEB,
Mobile Web or SMS;
SMS Log - Includes an entry for each SMS sent or received;
Timer Log - Includes an entry for each executed Scheduled Job;
Consumed Web Service Log - Includes an entry for each Consumed Web
Service invocation;
Exposed Web Service Log - Includes an entry for each Exposed Web Service
invocation;
Service Center Error Logs

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Environment Health

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OutSystems Configuration Tool
OutSystems Platform
OutSystems Service Center Installer
OutSystems Deployment Controller Service
OutSystems Deployment Service
OutSystems Log Service
OutSystems Scheduler Service
OutSystems SMS Connector Service
Server logging

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.NET Stack - Event Viewer

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Java stack - Logs
• Weblogic logs, what do they have?
– OutSystems.out
(/opt/Oracle/Middleware/user_projects/domains/outsystems_do
main/servers/OutSystems/logs)
• Similar to JBoss server.log
– These logs rotate with numeric suffixes (e.g.
OutSystems.out00123)
– access.log
• Similar to IIS Logs

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Java stack - Logs
• Platform logs, what do they have?
– Each Platform Service has its own log
(/opt/outsystems/platform/logs)
• Similar to Event Viewer (specific for each service)
• Includes OSTraces (if enabled)
• Logs rotate everyday
– One file per day
– Service name log displays current day

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Java stack - Web ports
• What ports are used and why?
– 8080, 8443
• Security limitation
• This ports are used due to a Linux restriction of
only root being able to use ports under 1024
– 80, 443
• Default web access ports
• This ports are mapped to 8080 and 8443 using
iptables so that the user can access with default
settings

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Java stack - Platform internals
• OutSystems services configuration files
• /etc/outsystems
• Used to activate OSTraces
• Platform data
• /opt/outsystems/platform
• running (only existent on front end servers)
• share (only existent on the controller node)
• test (personal test areas)
• logs
– Logs from OutSystems services

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Java stack - Platform internals
• OSTraces
– /ect/outsystems/<...>.properties
• log4j.logger.outsystems=
– FATAL
– ERROR
– WARN
– INFO
– DEBUG

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Java stack - Platform internals
• JBoss file locations
– config files
• /opt/jboss<…>/bin
– Log files
– /opt/jboss<…>/server/outsystems/log/
» boot.log
» server.log
– Message Queue information
– /opt/jboss<…>/server/outsystems/data/h2

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Java stack - JBoss traces
• Access logs
– /opt/jboss<..>/server/outsystems/deploy/jboss
web.sar/server.xml
• className="org.apache.catalina.valves.AccessLogVal
ve“
– Search for this line and validate if its uncommented
• GC logs (garbage collector)
– /opt/jboss<..>/server/outsystems/run.conf
• $JAVA_OPTS -Xloggc:$GCLOG -XX:+PrintGCDetails -
XX:+PrintGCDateStamps
– Search for this line and validate if its uncommented

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References
• Troublesooting the OutSystems Platform
Server - www.outsystems.com/goto/technote-
troubleshoot-platform-server
• Information Logged by the OutSystems
Platform - www.outsystems.com/home/document-
download/119/8/0/0

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The End