3131502 - ST22 dumps in DBSQL_CONNECTION_NO_METADATA - SAP ASE for Business Suite

• ST22 dumps in "DBSQL_CONNECTION_NO_METADATA" are reported on SAP systems running on SAP ASE database.
• Corresponding SAP work process trace reports:

ERROR: -1 in function SQLConnectWithRetry (SQLConnectWithRetry) [line 6921] [D:/depot/bas/753_REL/src/dbs/syb/dbsyb.c#39271]
(30293) [HY000] [SAP][ASE ODBC Driver]The socket failed to connect within the timeout specified.

[D:/depot/bas/753_REL/src/dbs/syb/dsyb_glob.dbsl_ca.errclass set to DBSL_EC_RESTART [D:/depot/bas/753_REL/src/dbs/syb/dbsyb.c#39000]

ERROR: -1 in function SQLConnectWithRetry (SQLConnectWithRetry) [line 6921] [D:/depot/bas/753_REL/src/dbs/syb/dbsyb.c#39271]
(30012) [08001] [SAP][ASE ODBC Driver]Client unable to establish a connection [D:/depot/bas/753_REL/src/dbs/syb/dbsyb.c#54901]
Connection 1 failed using DRIVER={Adaptive Server Enterprise};server=wcmdb;port=4901;uid=SAPSR3;db=WCM;pwd=xxxxxxxxxx;TextSize=21474

Exception class DbSqlExcTraceError (Code: 1006) thrown at  $Id: //bas/753_STACK/src/krn/dbi/dbsql/dbmetadata.cpp#6 $ SAP:72 [ $Id: /
No exception callstack available, printing current stack ... [ $Id: //bas/753_STACK/src/dbi/base/dbi_base_exception.cpp#1 $ SAP#86]

EMPTY-TRACE [ $Id: //bas/753_STACK/src/include/dbi/base/dbi_base_exception.h#2 $ SAP#333]
Exception class DbSqlExcInvalidMetadata (Code: 1006) thrown at  $Id: //bas/753_STACK/src/krn/dbi/dbsql/dbmetadata.cpp#6 $ SAP:72 [ $
No exception callstack available, printing current stack ... [ $Id: //bas/753_STACK/src/dbi/base/dbi_base_exception.cpp#1 $ SAP#86]

• Errors are also received on proxy connections
  
  - No metadata found for database connection "R/3*PROXY_ST_ADD"
  - No metadata found for database connection "R/3*/SVX/POSTBOX".
  
  
• There are no corresponding database errors in the ASE errorlog or on the application-side (SM21 system log)

• SAP Adaptive Server Enterprise (ASE) for Business Suite
• SAP NetWeaver (all versions)

DBSQL_CONNECTION_NO_METADATA, 30293, 30012, timeout, disconnects , KBA , BC-DB-SYB , Business Suite on Adaptive Server Enterprise , Problem