[jboss-jira] [JBoss JIRA] (WFCORE-3962) Starting WFLY scripts with JDK 11 blows up with ModuleNotFoundException java.se

[James Perkins (JIRA)]

    [ https://issues.jboss.org/browse/WFCORE-3962?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13619162#comment-13619162 ] 

James Perkins commented on WFCORE-3962:
---------------------------------------

I think this is going to be best handled with documentation. For standalone we could probably just add the module if we know we're using Java 9+. Another option would be to just have commented out {{JAVA_OPT="--add-modules=java.se $JAVA_OPTS"}} in the {{standalone.conf}} file. 

For domain it would be a manual process anyway. While we could detect Java 9+ for the HC and DC we can't for the servers.
In the {{domain.conf}} we'd need:
{code}
PROCESS_CONTROLLER_JAVA_OPTS="--add-modules=java.se $PROCESS_CONTROLLER_JAVA_OPTS"
HOST_CONTROLLER_JAVA_OPTS="--add-modules=java.se $HOST_CONTROLLER_JAVA_OPTS"
{code}

Then the following CLI command would need to be executed:
{code}
/host=master/jvm=default:add-jvm-option(jvm-option="--add-modules=java.se")
{code}

Note though that means the target server is using Java 9+.

> Starting WFLY scripts with JDK 11 blows up with ModuleNotFoundException java.se
> -------------------------------------------------------------------------------
>
>                 Key: WFCORE-3962
>                 URL: https://issues.jboss.org/browse/WFCORE-3962
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: Management, Modules, Scripts
>    Affects Versions: 6.0.0.Alpha3
>            Reporter: Matej Novotny
>            Assignee: Richard Opalka
>            Priority: Blocker
>              Labels: Java11, blocker-WF14
>
> As per request, copying MODULES-372 to WFCORE as well.
> Starting WFLY with JDK 11 using {{standalone.sh}} yields:
> {code}
> org.jboss.modules.ModuleNotFoundException: java.se
> 	at org.jboss.modules.Module.addPaths(Module.java:1266)
> 	at org.jboss.modules.Module.link(Module.java:1622)
> 	at org.jboss.modules.Module.relinkIfNecessary(Module.java:1650)
> 	at org.jboss.modules.ModuleLoader.loadModule(ModuleLoader.java:296)
> 	at org.jboss.modules.Main.main(Main.java:437)
> {code}
> Output of {{java -version}}:
> {code}
> openjdk version "11-ea" 2018-09-25
> OpenJDK Runtime Environment 18.9 (build 11-ea+21)
> OpenJDK 64-Bit Server VM 18.9 (build 11-ea+21, mixed mode)
> {code}



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