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Posted to derby-dev@db.apache.org by "Kristian Waagan (JIRA)" <ji...@apache.org> on 2009/11/10 11:14:27 UTC
[jira] Updated: (DERBY-4102) Assert failure or ClassCastException
in EmbedBlob when retrieving BLOB >= 32K
[ https://issues.apache.org/jira/browse/DERBY-4102?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kristian Waagan updated DERBY-4102:
-----------------------------------
Attachment: java-deadlock.txt
The Java deadlock seen when running tests.jdbcapi.LobStreamsTest (dual core machine, 3.2 GHz).
> Assert failure or ClassCastException in EmbedBlob when retrieving BLOB >= 32K
> -----------------------------------------------------------------------------
>
> Key: DERBY-4102
> URL: https://issues.apache.org/jira/browse/DERBY-4102
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.1.1.0, 10.2.2.0, 10.3.3.0, 10.4.2.0, 10.5.1.1, 10.6.0.0
> Reporter: Knut Anders Hatlen
> Assignee: Kristian Waagan
> Attachments: CastExc.java, derby-4102-1a.diff, derby-4102-1a.stat, java-deadlock.txt
>
>
> The code below results in an assert error (with sane jars) or a ClassCastException (with insane jars):
> PreparedStatement ps = c.prepareStatement("values cast(? as blob)");
> int len = 32 * 1024;
> ps.setBinaryStream(1, new ByteArrayInputStream(new byte[len]), len);
> ResultSet rs = ps.executeQuery();
> while (rs.next()) {
> rs.getBlob(1);
> }
> If len < 32K there is no error.
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