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Confluence 5 to 6 Upgrade failure

Robert Stout

I get teh following error when starting the server

18-Jul-2017 15:16:15.157 SEVERE [http-nio-80-exec-8] org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun
java.lang.OutOfMemoryError: Metaspace

I messed with the setenv.bat still no better

set CATALINA_OPTS=-Xms8192m -Xmx8192m -XX:+UseG1GC %CATALINA_OPTS%

Server 2012r2 4 proc 8gb mem

Confluance 6.3.1

Accepted answers

All comments

Steven F Behnke

Take a peek at this issue: https://jira.atlassian.com/browse/CONFSERVER-37925

Set the value of -XX:MaxMetaspaceSize to something greater.

Robert Stout

Still get

19-Jul-2017 08:31:29.264 SEVERE [http-nio-80-exec-9] org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun
java.lang.OutOfMemoryError: Metaspace

Docs says that 6 does not need this setting.

AnnWorley

Java 8, which is used with later Confluence versions, does not need the metaspace setting, and if it is present it can cause issues.

Please see: Confluence crashes due to OutOfMemoryError Metaspace and Setting Properties for Windows Services.

If you are starting Confluence as a service the settings in setenv.bat are ignored. If you have 8g RAM on the machine, please don't allocate all of it to Java as some needs to be available for the operating system.

Robert Stout

Yes it is starting as a service, so how do I get it to read the setenv? How do I allocate memory to java?

Nic Brough -Adaptavist-

The service won't read setenv, properties are set different places according to what you're running. It's in the "Setting properties" doc Ann linked to

Robert Stout

Then what are the suggested changes to prevent the out of memory using this method?

AnnWorley

JIRA applications crash due to OutOfMemoryError Metaspace offers these suggestions:

Remove the -XX:MaxMetaspaceSize parameter entirely, since Java 8 automatically increases the MetaSpace area as needed.
Alternatively, increase the XX:MaxMetaspaceSize value.

Here are intructions to change the properties of the Windows service, either by command line or editing the registry.

Is it the case that you cannot start Confluence because of the metaspace error or you can start it but want to eliminate the error?

Nic mentioned Safe Mode, you could enable it and see if the errors are reduced or eliminated, however, I am not sure how long you would need to stay in safe mode to determine that a plugin is causing the issue because I am not sure how frequently you are seeing the error. Disabling or enabling all add-ons (using Safe Mode)