OSGi Container fails to log messages that were sent to system.err / system.out [TESB-11603] - 6.2

Talend ESB Release Notes

Talend ESB
Installation and Upgrade
Talend Activity Monitoring Console
Talend Administration Center
Talend Artifact Repository
Talend CommandLine
Talend ESB
Talend Identity Management
Talend Installer
Talend JobServer
Talend Log Server
Talend Project Audit
Talend Runtime
Talend Studio

Symptoms: In the tesb.log file you will not see any messages which were sent via system.err or system.out.

Workaround: If you encounter this issue, you can run the same scenario in Console mode as the system.err and system.out will show up on the console.