DERBY-6092 testPositionAgressive(org.apache.derbyTesting.functionTests.tests.jdbcapi.BlobClob4BlobTest)j fails with : 'The handle is invalid.: java.io.IOException'

Merged from 10.10 revision 1466378
Contributed by Knut Anders Hatlen



git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/branches/10.8@1509754 13f79535-47bb-0310-9956-ffa450edef68