Re: AW: AW: Having trouble with Tomcat crashes. Interesting memory numbers in Manager

2023-02-11 Thread Shawn Heisey
On 2/11/23 08:17, Thad Humphries wrote: Finally I profiled our Java utility with VisualVM, all on my Mac Mini, and quickly found a leak from java.util.zip. This was a surprise because we were not using java.util.zip anywhere, nor could I find any reference to java.util.zip when I looked at the

Re: AW: AW: Having trouble with Tomcat crashes. Interesting memory numbers in Manager

2023-02-11 Thread Thad Humphries
A profiler has its place. VisualVM was vital in helping us solve a Java 8 memory leak last November (although it didn't involve Tomcat). We were moving a large, long running system from old Solaris machines with InformixDB to Intel hardware with SELinux and OracleDB. Part of the system's workflow