[jboss-jira] [JBoss JIRA] (WFCORE-4908) The write-attribute operation does not work on a hosts JVM resource

[Jean Francois Denise (Jira)]

    [ https://issues.redhat.com/browse/WFCORE-4908?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14028589#comment-14028589 ] 

Jean Francois Denise commented on WFCORE-4908:
----------------------------------------------

The write-attribute expects a value otherwise the value is undefined. The write syntax should be: 
/host=master/server-config=server-one/jvm=default:write-attribute(name=jvm-options, value=["-Xlog:gc*:file=${jboss.domain.servers.dir}/server-two/log/gc.log"])

CLI send it as is, the server strips out the bogus part there: https://github.com/wildfly/wildfly-core/blob/master/controller/src/main/java/org/jboss/as/controller/operations/global/EnhancedSyntaxSupport.java#L48
That is called: https://github.com/wildfly/wildfly-core/blob/master/controller/src/main/java/org/jboss/as/controller/operations/global/WriteAttributeHandler.java#L82

So to me we don't have an issue there.

> The write-attribute operation does not work on a hosts JVM resource
> -------------------------------------------------------------------
>
>                 Key: WFCORE-4908
>                 URL: https://issues.redhat.com/browse/WFCORE-4908
>             Project: WildFly Core
>          Issue Type: Bug
>          Components: CLI, Management
>            Reporter: James Perkins
>            Assignee: Jeff Mesnil
>            Priority: Major
>              Labels: domain-mode
>
> Under a hosts server config, {{/host=master/server-config=server-one/}}, there is a {{jvm}} resource. On this resource the {{write-attribute}} operation does not work expected.
> {code}
> [domain at embedded /] /host=master/server-config=server-one/jvm=default:add
> {
>     "outcome" => "success",
>     "result" => undefined,
>     "server-groups" => undefined
> }
> [domain at embedded /] /host=master/server-config=server-one/jvm=default:write-attribute(name=jvm-options["-Xlog:gc*:file=${jboss.domain.servers.dir}/server-two/log/gc.log"])
> {
>     "outcome" => "success",
>     "result" => undefined,
>     "server-groups" => undefined
> }
> [domain at embedded /] /host=master/server-config=server-one/jvm=default:read-resource
> {
>     "outcome" => "success",
>     "result" => {
>         "agent-lib" => undefined,
>         "agent-path" => undefined,
>         "debug-enabled" => undefined,
>         "debug-options" => undefined,
>         "env-classpath-ignored" => undefined,
>         "environment-variables" => undefined,
>         "heap-size" => undefined,
>         "java-agent" => undefined,
>         "java-home" => undefined,
>         "jvm-options" => undefined,
>         "launch-command" => undefined,
>         "max-heap-size" => undefined,
>         "max-permgen-size" => undefined,
>         "permgen-size" => undefined,
>         "stack-size" => undefined,
>         "type" => undefined
>     }
> }
> {code}
> As you can see from the above command does not update the {{jvm-options}}. However if you use the {{add-jvm-option}} operation that does work. It seems the {{write-attribute}} operation should also work.



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