[teiid-issues] [JBoss JIRA] Resolved: (TEIID-100) Salesforce connector should explicitly handle InvalidQueryLocatorFault

[Tim Walsh (JIRA)]

     [ https://jira.jboss.org/jira/browse/TEIID-100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Tim Walsh resolved TEIID-100.
-----------------------------

    Resolution: Done


/teiid/connectors/connector-salesforce/src/main/java/com/metamatrix/connector/salesforce/connection/impl/ConnectionImpl.java added exception case.

> Salesforce connector should explicitly handle InvalidQueryLocatorFault
> ----------------------------------------------------------------------
>
>                 Key: TEIID-100
>                 URL: https://jira.jboss.org/jira/browse/TEIID-100
>             Project: Teiid
>          Issue Type: Bug
>          Components: Salesforce Connector
>    Affects Versions: 6.x
>         Environment: SFDC 5.5GA Connector; MM Designer 5.5.2 0037 Linux
>            Reporter: Greg Haber
>            Assignee: Tim Walsh
>             Fix For: 6.x
>
>
> There is a hard limit of 5 on the number of handles a single Salesforce user can have to server side result sets - see http://www.salesforce.com/us/developer/docs/api100/Content/sforce_api_calls_query_querylocator.htm
> This means, that in cases where a customer is doing a lot of queries that return large result sets (larger than SF will return in a single SOAP response), it is very possible that they will run into this limit.  This limit should manifest itself as an InvalidQueryLocatorFault thrown when the Salesforce queryMore() operation is called.
> I see in the current code (queryMore method of com.metamatrix.connector.salesforce.connection.impl.ConnectionImpl) that we don't explicitly catch this fault.  We should catch this fault and throw a ConnectorException that clearly explains what is happening (if the message SFDC returns here isn't clear enough).

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