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POHow do I use an IN OUT CLOB parameter defined in a Stored Proc in Oracle JDBC?
 

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  1. POHow do I use an IN OUT CLOB parameter defined in a Stored Proc in Oracle JDBC?
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    <p>I have the following stored procedure defined: </p> <pre><code>CREATE OR REPLACE PROCEDURE NOTIFY_INSERT ( FLAG IN VARCHAR2, MESSAGE IN OUT CLOB, SEQ_NO OUT NUMBER ) AS BEGIN ... END; </code></pre> <p>Now I'm trying to call this stored proc in JDBC. However, I get an exception saying "java.sql.SQLException: Parameter Type Conflict". This is raised from the line </p> <pre><code>call.execute(); </code></pre> <p>I'm guessing it has something to do with the second parameter, which is a CLOB.</p> <p><strong>Does anyone have an idea what I'm doing wrong?</strong></p> <p>Thanks for your help.</p> <pre><code>Connection connection = dataSource.getConnection(); CallableStatement call = null; try { call = connection.prepareCall("{ call NOTIFY_INSERT (?,?,?) }"); call.setString(1, flag); call.registerOutParameter(2, Types.CLOB); call.setString(2, message); call.registerOutParameter(3, Types.NUMERIC); call.execute(); sequenceNo = call.getLong(3); message = call.getString(2); } catch (SQLException e) { e.printStackTrace(); } finally { if (call != null) { try { call.close(); } catch (SQLException sqle) {} } } </code></pre> <p>JDBC Exception:</p> <pre><code>java.sql.SQLException: Parameter Type Conflict at oracle.jdbc.driver.OraclePreparedStatement.processCompletedBindRow(OraclePreparedStatement.java:2480) at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:4356) at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:4595) at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:10100) at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:5693) at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172) at org.apache.commons.dbcp.DelegatingPreparedStatement.execute(DelegatingPreparedStatement.java:172) </code></pre>
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