https://issues.apache.org/bugzilla/show_bug.cgi?id=56756
mart.bakh...@zeroturnaround.com changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|WORKSFORME |--- --- Comment #11 from mart.bakh...@zeroturnaround.com --- Hi Mark, Thanks for looking into this issue. I have some additional information that you can use to reproduce the issue. It seems that tomcat changed its classloaders somewhere between 7.0.50-7.0.53. In the new version, if org.springframework:spring-instrument is maven dependencies then there will be two copies of InstrumentationSavingAgent loaded into the application - one in the WebappClassLoader and one in the system classloader. Spring uses the webapp classloader which makes it unable to find the instrumentation. See the sample application - mvn package, deploy the war and open http://localhost:8080/instrumentation-demo/ Thanks Märt B -- You are receiving this mail because: You are the assignee for the bug. --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@tomcat.apache.org For additional commands, e-mail: dev-h...@tomcat.apache.org