[teiid-issues] [JBoss JIRA] (TEIID-3281) MongoDB: EmptyStackException when joining tables

[RH Bugzilla Integration (JIRA)]

    [ https://issues.jboss.org/browse/TEIID-3281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13172439#comment-13172439 ] 

RH Bugzilla Integration commented on TEIID-3281:
------------------------------------------------

Van Halbert <vhalbert at redhat.com> changed the Status of [bug 1180144|https://bugzilla.redhat.com/show_bug.cgi?id=1180144] from MODIFIED to ON_QA

> MongoDB: EmptyStackException when joining tables
> ------------------------------------------------
>
>                 Key: TEIID-3281
>                 URL: https://issues.jboss.org/browse/TEIID-3281
>             Project: Teiid
>          Issue Type: Bug
>          Components: Connector API
>    Affects Versions: 8.7
>            Reporter: Filip Elias
>            Assignee: Ramesh Reddy
>              Labels: CR2
>             Fix For: 8.10
>
>         Attachments: mongodb-vdb.xml, server.log
>
>
> Teiid throws java.util.EmptyStackException when joining data from table which has teiid_mongo:MERGE property enabled.
> Example:
> {code}
> insert into customer2 values(1,'Pepa', 'Koukal');
> insert into customer2 values(2,'Jan', 'Tlemil');
> insert into Address values(1,1,'Pepas Street','Pepas City','Pepas State', 'Pepas zipcode');
> insert into Address values(2,2,'Jans Street','Pepa','Jans State', 'Jans zipcode');
> {code}
> {code}
> select a.*,b.* from customer2 a inner join Address b on a.CustomerId=b.CustomerId order by a.customerID
> {code}
> {code}
> Error: 
>  java.util.EmptyStackException
> at java.util.Stack.peek(Stack.java:102)
> at java.util.Stack.pop(Stack.java:84)
> at org.teiid.translator.mongodb.MongoDBSelectVisitor.visit(MongoDBSelectVisitor.java:993)
> at org.teiid.language.SortSpecification.acceptVisitor(SortSpecification.java:53)
> at org.teiid.language.visitor.AbstractLanguageVisitor.visitNode(AbstractLanguageVisitor.java:51)
> at org.teiid.translator.mongodb.MongoDBSelectVisitor.append(MongoDBSelectVisitor.java:112)
> {code}
> VDB and log are in the attachment.



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