[infinispan-issues] [JBoss JIRA] (ISPN-8815) Server task related caching leaves task unusable until restart

[Gustavo Fernandes (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-8815?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gustavo Fernandes reassigned ISPN-8815:
---------------------------------------

    Assignee: Gustavo Fernandes


> Server task related caching leaves task unusable until restart
> --------------------------------------------------------------
>
>                 Key: ISPN-8815
>                 URL: https://issues.jboss.org/browse/ISPN-8815
>             Project: Infinispan
>          Issue Type: Bug
>          Components: Marshalling, Tasks
>    Affects Versions: 9.2.0.CR2, 9.1.6.Final
>            Reporter: Galder Zamarreño
>            Assignee: Gustavo Fernandes
>
> Some caching seems to happen with task that means that if the client uses the wrong marshaller, it doesn't recover until the server is restarted.
> 1. Take [this code|https://gist.github.com/galderz/ec38a6fbd4b714bffd06a66d4624eb8e] and deploy the tasks associated with it (e.g. full code is [here|https://github.com/infinispan/infinispan-simple-tutorials/tree/8793_v2/server-tasks]). E.g.
> {code}
> mvn clean package wildfly:deploy
> {code}
> 2. The client code works fine as is but instead change execCache to be initialized with data cache, e.g.
> {code}
> final RemoteCache<String, String> dataCache = getDataCache();
> final RemoteCache<String, String> execCache = getDataCache();
> {code}
> 3. Execute the client code against the server. The server replies with error (this is being addressed in ISPN-8814:
> {code}
> mvn clean package exec:exec
> ...
> org.infinispan.client.hotrod.exceptions.HotRodClientException:
> Request for messageId=5 returned server error (status=0x85): 
> java.io.IOException: Unsupported protocol version 100
> {code}
> 4. Change client code so that both {{dataCache}} and {{execCache}} are initialized with {{getExecCache}}, e.g.
> {code}
> final RemoteCache<String, String> dataCache = getExecCache();
> final RemoteCache<String, String> execCache = getExecCache();
> {code}
> 5. Execute the client again:
> {code}
> mvn clean package exec:exec
> ...
> org.infinispan.client.hotrod.exceptions.HotRodClientException:
> Request for messageId=16 returned server error (status=0x85): 
> java.lang.NumberFormatException: For input string: ">5"
> {code}
> 6. Restore the client code to be:
> {code}
> final RemoteCache<String, String> dataCache = getDataCache();
> final RemoteCache<String, String> execCache = getExecCache();
> {code}
> 7. Executing the client again fails:
> {code}
>  mvn clean package exec:exec
> ...
> org.infinispan.client.hotrod.exceptions.HotRodClientException:
> Request for messageId=16 returned server error (status=0x85): 
> java.lang.NumberFormatException: For input string: ">5"
> {code}
> 8. Try redeploying the task:
> {code}
> mvn clean package wildfly:deploy
> {code}
> 9. Execute client again and same error:
> {code}
>  mvn clean package exec:exec
> ...
> org.infinispan.client.hotrod.exceptions.HotRodClientException:
> Request for messageId=16 returned server error (status=0x85): 
> java.lang.NumberFormatException: For input string: ">5"
> {code}
> 10. Restart the server.
> 11. Execute the client:
> {code}
>  mvn clean package exec:exec
> ...
> Greeting = Hello developer
> Sum of values = 45
> {code}



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