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https://issues.apache.org/jira/browse/DBCP-143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480228
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Henri Yandell commented on DBCP-143:
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It was there in 1.2 too.
Looking at the source, the only part of SQLNestedException used is the
SQLNestedException(String,Throwable). However sometimes that latter argument is
not a SQLException; which would be one reason not to use the setNextException
message.
Another alternative would be to bring the minimum JDK up to 1.4 and switch to
standard exception chaining.
> [dbcp] SQLNestedException thrown by server causes client
> ClassNotFoundException.
> --------------------------------------------------------------------------------
>
> Key: DBCP-143
> URL: https://issues.apache.org/jira/browse/DBCP-143
> Project: Commons Dbcp
> Issue Type: Bug
> Environment: Operating System: other
> Platform: Other
> Reporter: Andreas Krüger
> Fix For: 1.3
>
>
> This is a GUI client / application server / database server application.
> On the GUI client side, we see java.lang.ClassNotFoundException:
> org.apache.commons.dbcp.SQLNestedException.
> This happens when the database server is down, DBCP cannot connect to the
> database, and throws a org.apache.commons.dbcp.SQLNestedException.
> Our application server code sends the java.sql.SQLException it sees to the
> client via RMI.
> However, on the client, we have not provided commons-dbcp.jar.
> And I don't think we should - DBCP is server code.
> But, when the client does not have SQLNestedException's class file, the
> attempt
> to de-serialize it results in the ClassNotFoundException we've been seeing.
> Even old http://java.sun.com/j2se/1.3/docs/api/java/sql/SQLException.html has
> the facilities that SQLNestedExcepion offers: It is able to chain another
> SQLException to itself. So while SQLNestedException clearly causes problems, I
> don't understand what DBCP gains from it.
> What would we loose if it were scratched?
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