pgpool-II syntax error

2011-06-23 15:24:26 LOG:   pid 13894: SimpleQuery: Unable to parse the query: global3=# vacuum analyze metadata."RC_Metadata";
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 0 backend pid: 13906 statement: BEGIN
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 1 backend pid: 13788 statement: BEGIN
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 0 backend pid: 13906 statement: global3=# vacuum analyze metadata."RC_Metadata";
2011-06-23 15:24:26 LOG:   pid 13894: pool_send_and_wait: Error or notice message from backend: : DB node id: 0 backend pid: 13906 statement: global3=# vacu
um analyze metadata."RC_Metadata"; message: syntax error at or near "global3"
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 1 backend pid: 13788 statement: global3=# vacuum analyze metadata."RC_Metadata";
2011-06-23 15:24:26 LOG:   pid 13894: pool_send_and_wait: Error or notice message from backend: : DB node id: 1 backend pid: 13788 statement: global3=# vacu
um analyze metadata."RC_Metadata"; message: syntax error at or near "global3"
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 1 backend pid: 13788 statement: COMMIT
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 0 backend pid: 13906 statement: COMMIT
2011-06-23 15:24:26 LOG:   pid 13894: SimpleQuery: Unable to parse the query: ERROR:  kind mismatch among backends. Possible last query was: "vacuum analyze
 metadata."RC_Metadata";" kind details are: 0[Z] 1[Z] 2[N: duration: 980.000 ms  statement: vacuum analyze metadata."RC_Metadata";
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 0 backend pid: 13906 statement: BEGIN
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 1 backend pid: 13788 statement: BEGIN
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 0 backend pid: 13906 statement: ERROR:  kind mismatch among backends. Possible last query was: "vacuum ana
lyze metadata."RC_Metadata";" kind details are: 0[Z] 1[Z] 2[N: duration: 980.000 ms  statement: vacuum analyze metadata."RC_Metadata";
2011-06-23 15:24:26 LOG:   pid 13894: pool_send_and_wait: Error or notice message from backend: : DB node id: 0 backend pid: 13906 statement: ERROR:  kind m
ismatch among backends. Possible last query was: "vacuum analyze metadata."RC_Metadata";" kind details are: 0[Z] 1[Z] 2[N: duration: 980.000 ms  statement:
vacuum analyze metadata."RC_Metadata"; message: syntax error at or near "ERROR"
2011-06-23 15:24:26 LOG:   pid 13894: DB node id: 1 backend pid: 13788 statement: ERROR:  kind mismatch among backends. Possible last query was: "vacuum ana
lyze metadata."RC_Metadata";" kind details are: 0[Z] 1[Z] 2[N: duration: 980.000 ms  statement: vacuum analyze metadata."RC_Metadata";
2011-06-23 15:24:26 LOG:   pid 13894: pool_send_and_wait: Error or notice message from backend: : DB node id: 1 backend pid: 13788 statement: ERROR:  kind m
ismatch among backends. Possible last query was: "vacuum analyze metadata."RC_Metadata";" kind details are: 0[Z] 1[Z] 2[N: duration: 980.000 ms  statement:
vacuum analyze metadata."RC_Metadata"; message: syntax error at or near "ERROR"