[jboss-jira] [JBoss JIRA] (DROOLS-3548) Thread used by LoadBalancer remains when connection to kie-server fails during instantinating of KieServicesClient

[Maciej Swiderski (Jira)]

     [ https://issues.jboss.org/browse/DROOLS-3548?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Maciej Swiderski updated DROOLS-3548:
-------------------------------------
    Sprint: 2019 Week 05-07


> Thread used by LoadBalancer remains when connection to kie-server fails during instantinating of KieServicesClient
> ------------------------------------------------------------------------------------------------------------------
>
>                 Key: DROOLS-3548
>                 URL: https://issues.jboss.org/browse/DROOLS-3548
>             Project: Drools
>          Issue Type: Bug
>          Components: kie server
>    Affects Versions: 7.11.0.Final, 7.14.0.Final
>         Environment: - Red Hat Decision Manager
> - 7
> - Red Hat Process Automation Manager
> - 7
>            Reporter: Hiroko Miura
>            Assignee: Maciej Swiderski
>            Priority: Major
>              Labels: support
>         Attachments: rules-client.zip
>
>
> When KieServicesClient  fails to connect to KieServer,  LoadBalancer  is invoked to check availability of server like the following.
> ~~~
> [2019/01/24 18:19:38.411] [pool-1-thread-1] [DEBUG] (LoadBalancer.java:149)                  - Starting to scan if any of the failed endpoints is back online 
> org.kie.server.common.rest.NoEndpointFoundException: No available endpoints found
> 	at org.kie.server.client.balancer.impl.AbstractBalancerStrategy.checkEmpty(AbstractBalancerStrategy.java:27)
> 	at org.kie.server.client.balancer.impl.RoundRobinBalancerStrategy.next(RoundRobinBalancerStrategy.java:37)
> 	at org.kie.server.client.balancer.LoadBalancer.getUrl(LoadBalancer.java:52)
> 	at org.kie.server.client.impl.AbstractKieServicesClientImpl.invoke(AbstractKieServicesClientImpl.java:809)
> 	at org.kie.server.client.impl.AbstractKieServicesClientImpl.makeHttpGetRequestAndCreateServiceResponse(AbstractKieServicesClientImpl.java:177)
> 	at org.kie.server.client.impl.KieServicesClientImpl.getServerInfo(KieServicesClientImpl.java:159)
> 	at org.kie.server.client.impl.KieServicesClientImpl.getCapabilitiesFromServer(KieServicesClientImpl.java:132)
> 	at org.kie.server.client.impl.KieServicesClientImpl.init(KieServicesClientImpl.java:87)
> 	at org.kie.server.client.impl.KieServicesClientImpl.<init>(KieServicesClientImpl.java:74)
> 	at org.kie.server.client.KieServicesFactory.newKieServicesClient(KieServicesFactory.java:101)
> 	at com.sample.rules.test.KieServerRestClientTest.connectionFailureTest(KieServerRestClientTest.java:55)
> ~~~
>  But after that, the thread used by LoadBalancer remains until termination of client application as  LoadBalancer.close()  is not called.



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