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https://issues.apache.org/jira/browse/CAMEL-10099?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Claus Ibsen deleted CAMEL-10099:
--------------------------------
> AbstractJdbcMessageIdRepository<T> is not actually parameterizable
> ------------------------------------------------------------------
>
> Key: CAMEL-10099
> URL: https://issues.apache.org/jira/browse/CAMEL-10099
> Project: Camel
> Issue Type: Bug
> 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
>
> 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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