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

[Helena Knyttlová (JIRA)]

Helena Knyttlová created WFLY-10813:
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             Summary: 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: Web Console
    Affects Versions: 13.0.0.Final, 10.0.0.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=My title}
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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