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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAMEL-10098) AbstractJdbcMessageIdRepository<T> is not actually parameterizable
Date Wed, 29 Jun 2016 05:52:45 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-10098?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Claus Ibsen updated CAMEL-10098:
--------------------------------
    Fix Version/s: Future

> AbstractJdbcMessageIdRepository<T> is not actually parameterizable
> ------------------------------------------------------------------
>
>                 Key: CAMEL-10098
>                 URL: https://issues.apache.org/jira/browse/CAMEL-10098
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-core, camel-sql
>    Affects Versions: 2.15.1
>         Environment: Camel 2.15.1.redhat-620133
> JBoss Fuse 6.2.0.redhat-133
> openjdk version "1.8.0_45"
> OpenJDK Runtime Environment (build 1.8.0_45-b13)
> OpenJDK 64-Bit Server VM (build 25.45-b02, mixed mode)
> Linux 3.10.0-229.1.2.el7.x86_64 #1 SMP Fri Mar 6 17:12:08 EST 2015 x86_64 GNU/Linux (RHEL
7)
>            Reporter: Matthew Zipay
>            Priority: Minor
>             Fix For: Future
>
>
> The org.apache.camel.processor.idempotent.jdbc.AbstractJdbcMessageIdRepository class
is advertised as being extendable in the documentation, and is declared as parameterized in
the source code, so that developers "can extend to build custom JDBC idempotent repository."
> However, attempting to parameterize with anything other than String fails. The cause
appears to be org.apache.camel.processor.idempotent.IdempotentConsumer, whose process() method
assumes that the key is always a String before handing it off to the repository instance (which
may in fact be a AbstractJdbcMessageIdRepository<T> where T is *not* String). The results
is an unavoidable ClassCastException.
> Here is the relevant bit from a stack trace using {{public class IdempRepository extends
AbstractJdbcMessageIdRepository<IdempKey>}}:
> {code}
> Caused by: java.lang.ClassCastException: java.lang.String cannot be cast to my.custom.IdempKey
> 	at my.custom.IdempRepository.queryForInt(IdempRepository.java:18)[515:my-bundle:1.0.0.SNAPSHOT]
> 	at org.apache.camel.processor.idempotent.jdbc.AbstractJdbcMessageIdRepository$1.doInTransaction(AbstractJdbcMessageIdRepository.java:122)[273:org.apache.camel.camel-sql:2.15.1.redhat-620133]
> 	at org.apache.camel.processor.idempotent.jdbc.AbstractJdbcMessageIdRepository$1.doInTransaction(AbstractJdbcMessageIdRepository.java:120)[273:org.apache.camel.camel-sql:2.15.1.redhat-620133]
> 	at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:131)[202:org.apache.servicemix.bundles.spring-tx:3.2.12.RELEASE_1]
> 	at org.apache.camel.processor.idempotent.jdbc.AbstractJdbcMessageIdRepository.add(AbstractJdbcMessageIdRepository.java:120)[273:org.apache.camel.camel-sql:2.15.1.redhat-620133]
> 	at org.apache.camel.processor.idempotent.IdempotentConsumer.process(IdempotentConsumer.java:94)[198:org.apache.camel.camel-core:2.15.1.redhat-620133]
> {code}



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