Caused by: java.sql.SQLException: Falta el parámetro IN o OUT en el índice:: 11
	at oracle.jdbc.driver.OraclePreparedStatement.processCompletedBindRow(OraclePreparedStatement.java:2244) [ojdbc7.jar:12.1.0.2.0]
	at oracle.jdbc.driver.OraclePreparedStatement.executeInternal(OraclePreparedStatement.java:4790) [ojdbc7.jar:12.1.0.2.0]
	at oracle.jdbc.driver.OraclePreparedStatement.execute(OraclePreparedStatement.java:4901) [ojdbc7.jar:12.1.0.2.0]
	at oracle.jdbc.driver.OracleCallableStatement.execute(OracleCallableStatement.java:5631) [ojdbc7.jar:12.1.0.2.0]
	at oracle.jdbc.driver.OraclePreparedStatementWrapper.execute(OraclePreparedStatementWrapper.java:1385) [ojdbc7.jar:12.1.0.2.0]
	at org.jboss.jca.adapters.jdbc.WrappedPreparedStatement.execute(WrappedPreparedStatement.java:404)
	at org.hibernate.result.internal.OutputsImpl.<init>(OutputsImpl.java:69) [hibernate-core-4.3.7.Final.jar:4.3.7.Final]

org.hibernate.procedure.internal.AbstraAbstractParameterRegistrationImpl::prepare (línea 276-293 hibernate-core-4.3.7.Final)

if ( mode == ParameterMode.INOUT || mode == ParameterMode.IN ) {
	if ( bind == null || bind.getValue() == null ) {
		// the user did not bind a value to the parameter being processed.  That might be ok *if* the
		// procedure as defined in the database defines a default value for that parameter.
		// Unfortunately there is not a way to reliably know through JDBC metadata whether a procedure
		// parameter defines a default value.  So we simply allow the procedure execution to happen
		// assuming that the database will complain appropriately if not setting the given parameter
		// bind value is an error.
		log.debugf(
				"Stored procedure [%s] IN/INOUT parameter [%s] not bound; assuming procedure defines default value",
				procedureCall.getProcedureName(),
				this
		);
	}
	else {
		typeToUse.nullSafeSet( statement, bind.getValue(), startIndex, session() );
	}
}

typeToUse.nullSafeSet( statement, bind.getValue(), startIndex, session() );

org.hibernate.type.descriptor.sql.BasicBinder::bind (línea 66 hibernate-core-4.3.7.Final)

@Override
public final void bind(PreparedStatement st, J value, int index, WrapperOptions options) throws SQLException {
     final boolean traceEnabled = log.isTraceEnabled();
     if ( value == null ) {
            if ( traceEnabled ) {
                log.trace(
			String.format(
					NULL_BIND_MSG_TEMPLATE,
					index,
					JdbcTypeNameMapper.getTypeName( getSqlDescriptor().getSqlType() )
			)
		);
        }
        st.setNull( index, sqlDescriptor.getSqlType() );
     }
     else {
        if ( traceEnabled ) {
            log.trace(
			String.format(
					BIND_MSG_TEMPLATE,
					index,
					JdbcTypeNameMapper.getTypeName( sqlDescriptor.getSqlType() ),
					getJavaDescriptor().extractLoggableRepresentation( value )
			)
		);
         }
         doBind( st, value, index, options );
     }
}