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https://issues.apache.org/jira/browse/OPENJPA-1974?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13016003#comment-13016003
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Rick Curtis commented on OPENJPA-1974:
--------------------------------------
Committed test / fix to trunk.
I ended up taking the SelectImpl.aliasSize( ... ) implementation from 1.2.x
which was incorrectly refactored in the 2.0.x time.
> StackOverflowError when performing multiple subquery in collection field with
> eager fetch
> -----------------------------------------------------------------------------------------
>
> Key: OPENJPA-1974
> URL: https://issues.apache.org/jira/browse/OPENJPA-1974
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 2.1.0, 2.2.0
> Environment: Windows, x86, JDK 1.6.0_22
> Reporter: Takeshi Nishizawa
> Assignee: Rick Curtis
> Fix For: 2.2.0
>
> Attachments: OPENJPA-1974.trunk.patch, subQueryBug.zip
>
>
> When I run a JPQL with multiple subquery in @OneToMany annotated collection
> property with eager fetch configuration, StackOverflowError is thrown.
> java.lang.StackOverflowError
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2166)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2160)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2168)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2160)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2168)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2160)
> at
> org.apache.openjpa.jdbc.sql.SelectImpl.aliasSize(SelectImpl.java:2168)
> ...
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