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https://issues.apache.org/jira/browse/DERBY-4061?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kristian Waagan closed DERBY-4061.
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Been resolved for more than a year. Closing.
> InputStream returned from Blob.getBinaryStream(long, long) terminates the
> stream by returning 0, should return -1
> -----------------------------------------------------------------------------------------------------------------
>
> Key: DERBY-4061
> URL: https://issues.apache.org/jira/browse/DERBY-4061
> Project: Derby
> Issue Type: Bug
> Components: JDBC
> Affects Versions: 10.3.3.0, 10.4.2.0, 10.5.1.1
> Reporter: Trejkaz
> Assignee: Kristian Waagan
> Fix For: 10.3.3.1, 10.4.2.1, 10.5.1.1
>
> Attachments: derby-4061-1a.diff, derby-4061-1b.diff
>
>
> Take the following code to copy a sub-stream from a BLOB:
> Blob blob = rs.getBlob(1);
> InputStream stream = blob.getBinaryStream(1000, 2000);
> try {
> IOUtils.copy(stream, out);
> } finally {
> stream.close();
> }
> This will loop forever in IOUtils.copy, as the InputStream is returning 0 at
> end of stream instead of -1. It probably should return -1 to comply with the
> Javadoc for InputStream.
> Notes:
> I have not yet checked Blob.getBinaryStream(), or any of the Clob methods, or
> the client driver. So some of these may have a similar issue.
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