Router hints are ignored when executing a CallableStatement in a Java app using MariaDB Connector/J

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 329  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.002670  Lock_time: 0.000111  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 1  Bytes_sent: 13

SET timestamp=1579156660;

INSERT INTO diagnostic_log SET message=CONCAT_WS(' - ', @@wsrep_node_name, 1) /* maxscale begin route to slave */;

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 329  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.000124  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 0  Bytes_sent: 160

SET timestamp=1579156660;

# administrator command: Prepare;

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 329  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.002937  Lock_time: 0.000093  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 1  Bytes_sent: 13

SET timestamp=1579156660;

INSERT INTO diagnostic_log SET message=CONCAT_WS(' - ', @@wsrep_node_name, 2);

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 329  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.002395  Lock_time: 0.000096  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 1  Bytes_sent: 13

SET timestamp=1579156660;

INSERT INTO diagnostic_log SET message=CONCAT_WS(' - ', @@wsrep_node_name, 3);

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 329  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.003113  Lock_time: 0.000091  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 1  Bytes_sent: 13

SET timestamp=1579156660;

INSERT INTO diagnostic_log SET message=CONCAT_WS(' - ', @@wsrep_node_name, 4);

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 329  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.000034  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 0  Bytes_sent: 0

SET timestamp=1579156660;

# administrator command: Close stmt;

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 970  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.000167  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 0  Bytes_sent: 187

SET timestamp=1579156660;

# administrator command: Prepare;

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 970  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.003640  Lock_time: 0.000000  Rows_sent: 19  Rows_examined: 98

# Rows_affected: 0  Bytes_sent: 11610

SET timestamp=1579156660;

CALL p_store_item_list(10033,'en_GB','ITC',0,NULL,NULL);

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 970  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.003174  Lock_time: 0.000119  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 1  Bytes_sent: 13

SET timestamp=1579156660;

INSERT INTO diagnostic_log SET message=CONCAT_WS(' - ', @@wsrep_node_name, 5) /* maxscale end */;

# User@Host: vt_eucalyptus_local[vt_eucalyptus_local] @  [10.0.2.4]

# Thread_id: 970  Schema: vt_eucalyptus_local  QC_hit: No

# Query_time: 0.000027  Lock_time: 0.000000  Rows_sent: 0  Rows_examined: 0

# Rows_affected: 0  Bytes_sent: 0

SET timestamp=1579156660;

# administrator command: Close stmt;