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

[Helena Knyttlová (JIRA)]

    [ https://issues.jboss.org/browse/WFLY-10813?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13622708#comment-13622708 ] 

Helena Knyttlová commented on WFLY-10813:
-----------------------------------------

[~brian.stansberry] All commands seems to be OK. The first one lists the data quite long time but it finishes succesfully. The other ones are short.
I tried again the request from the web console and it ended again with OutOfMemoryError.

> 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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