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Issue

ERROR [org.jboss.as.controller.management-operation] (External Management Request Threads -- 1) WFLYCTL0013: Operation ("read-attribute") failed - address: ([
    ("deployment" => "kitchensink.war"),
    ("subsystem" => "jpa"),
    ("hibernate-persistence-unit" => "kitchensink.war#primary"),
    ("entity-cache" => "org.jboss.as.quickstarts.kitchensink.model.Member")
]): java.lang.NullPointerException
    at org.hibernate.internal.CacheImpl.getSecondLevelCacheRegion(CacheImpl.java:376)
    at org.hibernate.internal.SessionFactoryImpl.getSecondLevelCacheRegion(SessionFactoryImpl.java:1171)
    at org.hibernate.stat.internal.ConcurrentStatisticsImpl.getSecondLevelCacheStatistics(ConcurrentStatisticsImpl.java:334)
    at org.jboss.as.jpa.hibernate5.management.HibernateEntityCacheStatistics.getStatistics(HibernateEntityCacheStatistics.java:94)
    at org.jboss.as.jpa.hibernate5.management.HibernateEntityCacheStatistics$4.invoke(HibernateEntityCacheStatistics.java:126)
    at org.jboss.as.jpa.hibernate5.management.HibernateAbstractStatistics.getValue(HibernateAbstractStatistics.java:99)
    at org.jboss.as.jpa.management.ManagementResourceDefinition$1.handle(ManagementResourceDefinition.java:130)
    at org.jboss.as.jpa.management.ManagementResourceDefinition$AbstractMetricsHandler.executeRuntimeStep(ManagementResourceDefinition.java:268)
    at org.jboss.as.controller.AbstractRuntimeOnlyHandler$1.execute(AbstractRuntimeOnlyHandler.java:59)
    at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:982)
    at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:726)
    at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:450)
    at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1402)
    at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:418)
    at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:243)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:263)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:229)
    at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:243)
    at org.jboss.as.domain.http.server.DomainApiHandler.handleRequest(DomainApiHandler.java:221)
    at io.undertow.server.handlers.encoding.EncodingHandler.handleRequest(EncodingHandler.java:72)
    at org.jboss.as.domain.http.server.DomainApiCheckHandler.handleRequest(DomainApiCheckHandler.java:93)
    at org.jboss.as.domain.http.server.security.ElytronIdentityHandler.lambda$handleRequest$0(ElytronIdentityHandler.java:62)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:287)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:244)
    at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:254)
    at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:225)
    at org.jboss.as.domain.http.server.security.ElytronIdentityHandler.handleRequest(ElytronIdentityHandler.java:61)
    at io.undertow.server.handlers.BlockingHandler.handleRequest(BlockingHandler.java:56)
    at io.undertow.server.Connectors.executeRootHandler(Connectors.java:330)
    at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:812)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:750)
    at org.jboss.threads.JBossThread.run(JBossThread.java:320)
When I tried to execute read-resource or ls against Hibernate/JPA application like the following in JBoss-CLI, but it failed:
[standalone@localhost:9990 /] cd /deployment=kitchensink.war/subsystem=jpa/hibernate-persistence-unit=kitchensink.war#primary/entity-cache=org.jboss.as.quickstarts.kitchensink.model.Member
[standalone@localhost:9990 entity-cache=org.jboss.as.quickstarts.kitchensink.model.Member] ls
WFLYCTL0063: Composite operation was rolled back
[standalone@localhost:9990 /] /deployment=kitchensink.war:read-resource(recursive=true,include-runtime=true)
    "outcome" => "failed",
    "rolled-back" => true
and the following ERROR message with NullPointerException was output in the server.log:
ERROR [org.jboss.as.controller.management-operation] (management-handler-thread - 1) WFLYCTL0013: Operation ("read-attribute") failed - address: ([
    ("deployment" => "kitchensink.war"),
    ("subsystem" => "jpa"),
    ("hibernate-persistence-unit" => "kitchensink.war#primary"),
    ("entity-cache" => "org.jboss.as.quickstarts.kitchensink.model.Member")
]): java.lang.NullPointerException
    at org.hibernate.internal.CacheImpl.getSecondLevelCacheRegion(CacheImpl.java:376)
    at org.hibernate.internal.SessionFactoryImpl.getSecondLevelCacheRegion(SessionFactoryImpl.java:1171)
    at org.hibernate.stat.internal.ConcurrentStatisticsImpl.getSecondLevelCacheStatistics(ConcurrentStatisticsImpl.java:334)
    at org.jboss.as.jpa.hibernate5.management.HibernateEntityCacheStatistics.getStatistics(HibernateEntityCacheStatistics.java:94)
    at org.jboss.as.jpa.hibernate5.management.HibernateEntityCacheStatistics$4.invoke(HibernateEntityCacheStatistics.java:126)
    at org.jboss.as.jpa.hibernate5.management.HibernateAbstractStatistics.getValue(HibernateAbstractStatistics.java:99)
    at org.jboss.as.jpa.management.ManagementResourceDefinition$1.handle(ManagementResourceDefinition.java:130)
    at org.jboss.as.jpa.management.ManagementResourceDefinition$AbstractMetricsHandler.executeRuntimeStep(ManagementResourceDefinition.java:268)
    at org.jboss.as.controller.AbstractRuntimeOnlyHandler$1.execute(AbstractRuntimeOnlyHandler.java:59)
    at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:982)
    at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:726)
    at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:450)
    at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1402)
    at org.jboss.as.controller.ModelControllerImpl.internalExecute(ModelControllerImpl.java:418)
    at org.jboss.as.controller.ModelControllerImpl.lambda$execute$1(ModelControllerImpl.java:243)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:263)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:229)
    at org.jboss.as.controller.ModelControllerImpl.execute(ModelControllerImpl.java:243)
    at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.doExecute(ModelControllerClientOperationHandler.java:217)
    at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler.access$400(ModelControllerClientOperationHandler.java:137)
    at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:161)
    at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1$1.run(ModelControllerClientOperationHandler.java:157)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:287)
    at org.wildfly.security.auth.server.SecurityIdentity.runAs(SecurityIdentity.java:244)
    at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:254)
    at org.jboss.as.controller.AccessAuditContext.doAs(AccessAuditContext.java:225)
    at org.jboss.as.controller.remote.ModelControllerClientOperationHandler$ExecuteRequestHandler$1.execute(ModelControllerClientOperationHandler.java:157)
    at org.jboss.as.protocol.mgmt.ManagementRequestContextImpl$1.doExecute(ManagementRequestContextImpl.java:70)
    at org.jboss.as.protocol.mgmt.ManagementRequestContextImpl$AsyncTaskRunner.run(ManagementRequestContextImpl.java:160)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:750)
    at org.jboss.threads.JBossThread.run(JBossThread.java:320)
                  
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