[jboss-jira] [JBoss JIRA] (WFLY-10813) OutOfMemory error when trying to display resource adapters in web console

[Brian Stansberry (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-10813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13618413#comment-13618413 ] 

Brian Stansberry commented on WFLY-10813:
-----------------------------------------

Thanks, [~harald.pehl].  The server certainly shouldn't OOME in response to a management request. The stack trace in the description isn't showing me anything obvious; I fear it just happens to be a point where the last bit of memory is used up, not that that trace is using huge memory itself.  Knowing what the console's invoking will help track it down.

[~jmesnil] FYI.

> OutOfMemory error when trying to display resource adapters in web console
> -------------------------------------------------------------------------
>
>                 Key: WFLY-10813
>                 URL: https://issues.jboss.org/browse/WFLY-10813
>             Project: WildFly
>          Issue Type: Bug
>          Components: Management, Web Console
>    Affects Versions: 10.0.0.Final, 13.0.0.Final
>            Reporter: Helena Knyttlová
>            Assignee: Harald Pehl
>            Priority: Minor
>
> We have about 25 resource adapters set through CLI. When I want to display them in web administration console it kills the whole wildfly server - server is not responding and after several minutes it ends up with OutOfMemory error and server must be restarted. We've seen this issue since wildfly 10 (it was the first version we used). With only a few resource adapters it is not happening. 
> Memory settings: JAVA_OPTS="-Xms512m -Xmx1024m -XX:MetaspaceSize=96M -XX:MaxMetaspaceSize=256m
> The error which appeared on WidlFly 13.0.0.Final:
> {panel:title=Log}
> ERROR [org.jboss.as.controller.management-operation] (External Management Request Threads -- 1) WFLYCTL0013: Operation ("read-resource-description") failed - address: ([
>     ("subsystem" => "resource-adapters"),
>     ("resource-adapter" => "AppAdapter"),
>     ("connection-definitions" => "cp-host")
> ]): java.lang.OutOfMemoryError: Java heap space
>         at java.util.HashMap.resize(HashMap.java:704)
>         at java.util.HashMap.putVal(HashMap.java:629)
>         at java.util.HashMap.put(HashMap.java:612)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:180)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:169)
>         at org.jboss.dmr.ModelNode.clone(ModelNode.java:1867)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:180)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:169)
>         at org.jboss.dmr.ModelNode.clone(ModelNode.java:1867)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:180)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:169)
>         at org.jboss.dmr.ModelNode.clone(ModelNode.java:1867)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:180)
>         at org.jboss.dmr.ObjectModelValue.copy(ObjectModelValue.java:169)
>         at org.jboss.dmr.ModelNode.set(ModelNode.java:693)
>         at org.jboss.as.controller.operations.global.ReadResourceDescriptionHandler$ReadResourceDescriptionAssemblyHandler.execute(ReadResourceDescriptionHandler.java:618)
>         at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:999)
>         at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:743)
>         at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:467)
>         at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1404)
>         at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:423)
>         at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:243)
>         at org.jboss.as.controller.ModelControllerImpl$$Lambda$490/414756260.run(Unknown Source)
>         at org.wildfly.security.auth.server.SecurityIdentity$$Lambda$491/367363594.run(Unknown Source)
>         at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:263)
>         at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:229)
>         at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:243)
>         at org.jboss.as.domain.http.server.DomainApiHandler.handleRequest(DomainApiHandler.java:212)
>         at io.undertow.server.handlers.encoding.EncodingHandler.handleRequest(EncodingHandler.java:72)
>         at org.jboss.as.domain.http.server.DomainApiCheckHandler.handleRequest(DomainApiCheckHandler.java:93)
>         at org.jboss.as.domain.http.server.security.ElytronIdentityHandler.lambda$handleRequest$0(ElytronIdentityHandler.java:62)
>         at org.jboss.as.domain.http.server.security.ElytronIdentityHandler$$Lambda$790/1228674018.run(Unknown Source)
> {panel}



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