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https://issues.apache.org/jira/browse/DERBY-4010?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-4010:
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    Attachment: derby-4010.diff

The attached patch simplifies PassThroughException so that it just contains a 
constructor that passes the wrapped exception to the super constructor. Also 
added javadoc comments.

I haven't run any tests yet. (According to the test coverage reports, this code 
isn't actually exercised by any of our tests, so I don't expect that they will 
fail. I don't know any simple way to get it tested either.)

> PassThroughException should not reimplement initCause()/getCause()
> ------------------------------------------------------------------
>
>                 Key: DERBY-4010
>                 URL: https://issues.apache.org/jira/browse/DERBY-4010
>             Project: Derby
>          Issue Type: Improvement
>    Affects Versions: 10.5.0.0
>            Reporter: Knut Anders Hatlen
>            Priority: Trivial
>         Attachments: derby-4010.diff
>
>
> org.apache.derby.iapi.error.PassThroughException has its own mechanism to 
> achieve the same functionality as one gets from the initCause() and 
> getCause() methods in java.lang.Throwable. This was needed when Derby 
> supported Java 1.3, which didn't have initCause()/getCause(), but now that we 
> don't support Java 1.3 we could simplify the class.

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