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https://issues.apache.org/jira/browse/DERBY-6488?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-6488:
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Issue & fix info: Patch Available
> Get rid of the EmbedSQLException class
> --------------------------------------
>
> Key: DERBY-6488
> URL: https://issues.apache.org/jira/browse/DERBY-6488
> Project: Derby
> Issue Type: Improvement
> Components: JDBC
> Affects Versions: 10.11.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Knut Anders Hatlen
> Attachments: d6488-1a.diff
>
>
> EmbedSQLException used to be the top-level exception raised on error in the
> JDBC 3 version of the embedded driver. The primary purpose of the
> EmbedSQLException class is gone now that JDBC 4.0 is the minimum JDBC level,
> and all top-level exceptions are vanilla java.sql.SQLExceptions or one of its
> specialized subtypes.
> The top-level SQLException still links to an EmbedSQLException in order to
> provide some extra information (such as the message id) that the network
> server needs when encoding the exception for transport over the wire. I think
> it should be possible for the network server to get this information from the
> StandardException which is typically also in the exception chain.
> When embedded Derby raises an exception currently, it is typically a
> java.sql.SQLException (or subclass) that's linked to an EmbedSQLException
> that's linked to a StandardException. If we could find a way to eliminate the
> EmbedSQLException from the exception chain, the stack traces would be easier
> to read, and the structure of the exception chains would be more consistent
> with the client exceptions.
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