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https://issues.apache.org/jira/browse/DERBY-6373?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Knut Anders Hatlen updated DERBY-6373:
--------------------------------------
Component/s: Network Client
Issue & fix info: Repro attached
Assignee: Knut Anders Hatlen
> NPE in Statement.getWarnings()
> ------------------------------
>
> Key: DERBY-6373
> URL: https://issues.apache.org/jira/browse/DERBY-6373
> Project: Derby
> Issue Type: Bug
> Components: Network Client
> Affects Versions: 10.10.1.1
> Environment: JDK 7
> Reporter: Glenn McGregor
> Assignee: Knut Anders Hatlen
> Priority: Minor
> Attachments: D6373.java
>
>
> After executing a batch in a prepared statement, I call getWarnings() on that
> statement. A NPE is thrown.
> at
> org.apache.derby.client.am.SqlWarning.getSQLWarning(SqlWarning.java:117)
> at org.apache.derby.client.am.Statement.getWarnings(Statement.java:862)
> ...
> Addtional info:
> In a unit test, which worked for 10.8.2.2, a batch of 4 deletes were issued.
> They were expected to fail, as there were no matching rows. There was a
> SQLWarning chain in the statement, 4 deep, one for each row that failed
> with text:
> No row was found for FETCH, UPDATE or DELETE; or the result of a query is an
> empty table.
> However, each warning had 'nextException_' null. When attempting to chain on
> the exceptions when building the warning, a NPE is thrown.
> Perhaps something like changing line 105 of SqlWarning.java to
> if ( nextWarning_ != null && nextException_ != null )
> Of course perhaps there's always supposed to be a corresponding exception.
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