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From "Stan Bradbury (JIRA)" <j...@apache.org>
Subject [jira] Created: (DERBY-3238) When table contains large LOB values (> ~32K) trigger execution fails for that row with ERROR XCL30: An IOException was thrown when reading a 'BLOB'
Date Fri, 30 Nov 2007 22:10:43 GMT
When table contains large LOB values (> ~32K) trigger execution fails for that row with
ERROR XCL30: An IOException was thrown when reading a 'BLOB' 
-----------------------------------------------------------------------------------------------------------------------------------------------------

                 Key: DERBY-3238
                 URL: https://issues.apache.org/jira/browse/DERBY-3238
             Project: Derby
          Issue Type: Bug
    Affects Versions: 10.3.1.4, 10.2.2.0, 10.1.3.1, 10.3.2.1, 10.4.0.0
            Reporter: Stan Bradbury
         Attachments: blob_insert2.java

See attached test case.  
At execution/run-time a trigger that handles a row that contains a large LOB value will fail
with the following error and stack trace:
 = = =
Testing blob of size=1024

 . . Now executing update to fire the trigger
PASSED
Testing blob of size=16384

 . . Now executing update to fire the trigger
PASSED
Testing blob of size=32658

 . . Now executing update to fire the trigger
PASSED
Testing blob of size=32659

 . . Now executing update to fire the trigger
Error! java.sql.SQLException: An IOException was thrown when reading a 'BLOB' from an InputStream.
java.sql.SQLException: An IOException was thrown when reading a 'BLOB' from an InputStream.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.seeNextException(Unknown Source)
        at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.TransactionResourceImpl.handleException(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedConnection.handleException(Unknown Source)
        at org.apache.derby.impl.jdbc.ConnectionChild.handleException(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.executeStatement(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.execute(Unknown Source)
        at org.apache.derby.impl.jdbc.EmbedStatement.executeUpdate(Unknown Source)
        at blob_insert2.testBlob(blob_insert2.java:102)
        at blob_insert2.main(blob_insert2.java:55)
Caused by: java.sql.SQLException: Java exception: ': java.io.EOFException'.
        at org.apache.derby.impl.jdbc.SQLExceptionFactory.getSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.newEmbedSQLException(Unknown Source)
        at org.apache.derby.impl.jdbc.Util.javaException(Unknown Source)
        at org.apache.derby.impl.jdbc.TransactionResourceImpl.wrapInSQLException(Unknown Source)
        ... 9 more
Caused by: java.io.EOFException
        at org.apache.derby.iapi.types.SQLBinary.readBinaryLength(Unknown Source)
        at org.apache.derby.iapi.types.SQLBinary.readExternal(Unknown Source)
        at org.apache.derby.iapi.types.SQLBinary.getValue(Unknown Source)
        at org.apache.derby.iapi.types.SQLBinary.loadStream(Unknown Source)
        at org.apache.derby.impl.sql.execute.UpdateResultSet.objectifyStream(Unknown Source)
        at org.apache.derby.impl.sql.execute.UpdateResultSet.collectAffectedRows(Unknown Source)
        at org.apache.derby.impl.sql.execute.UpdateResultSet.open(Unknown Source)
        at org.apache.derby.impl.sql.GenericPreparedStatement.execute(Unknown Source)
        ... 5 more





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