Can someone confirm for me that the correct place to set JVM memory allocation is in service.bat on Windows (Lucee 5)? I’m asking because I am getting some out-of-memory errors, but when I look at the task manager Tomcat is not using anywhere near what I have it set to. In fact, it doesn’t seem to go much over 1GB of memory usage. Wondering if I am missing a setting somewhere else.
If you used the basic Windows installer, look in the tomcat bin directory and there should be a file like tomcat7.exe. It might be called Lucee-- the only local install I have was a stock Tomcat install… Anyway, run that exe and you’ll get a popup something like this:
That is where you set your JVM args and they will be used when the service starts. Don’t ask me where the heck these save to. I’ve never been a big fan of it since I couldn’t automate it easily.
On my machine they’re saved in this registry key:
HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Apache Software Foundation\Procrun 2.0\Lucee\Parameters\Java
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Awesome, thanks for answering that. I’ve always wondered where it went. I was afraid it was buried somewhere in the registry. Yuck…
Yes it’s not great.
As a related tip: one thing I normally do is set the JVM path in the Tomcat Service Control applet using an environment variable rather than hard coding it:
%JAVA_HOME%\jre\bin\server\jvm.dll
That means I can update the JDK by just changing the EV and restarting the Lucee/Tomcat service. If you have other JVM services running, e.g. Elasticsearch, they can use the same EV too. No need to edit the config each time.
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Thanks everyone. Opening luceew.exe and setting them there did the trick!