Maintenance, maintenance of software, IT system
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We have a performance problem with a Java application installed on IBM WebSphere. What should we do? First of all, data collected in so-called dump files is useful in the analysis.
Recently I encountered a problem of excessive user session expiration in IBM BPM version 8.6.1.19003 in Chrome and Edge web browsers. The problem was particularly troublesome when Human Service was launched in an iframe and SSO SPNEGO was configured. Downloading the content (form) of the service ended with an error message: IBM Business Automation Workflow could not download data from the WWW session. It may have expired. (1dabd53a-4ba8-41db-871b-c236f784a418)
IBM Health Center for Java is a low-overhead agent that collects Java configuration and performance data. The data that is collected includes CPU usage, native memory usage, method profiling, garbage collection, locks, threads, and more. You can read how to install IBM Monitoring and Diagnostic Tools - Health Center in Eclipse in the article served by the Eclipse Marketplace.
It may happen that after logging in ssh -X we will get the message:
Last login: Thu Mar 24 21:41:30 2016 from 10.99.0.2
/usr/bin/xauth: timeout in locking authority file /opt/ibpmusers/scichy/.Xauthority
And setting the DISPLAY environment variable correctly doesn't work for us.
To run a desktop application with a graphical interface on a server connected via the SSH console, you need to add the -Y or -X argument to the ssh command (see ssh man).