Troubleshooting
Problem
An attempt to start the database manager fails with the following mesasge. "SQL6048N A communication error occurred during START or STOP DATABASE MANAGER processing."
Symptom
The following DB2 diagnostic log entry may also be recorded.
2011-10-28-07.57.17.335302-240 I70274A383 LEVEL: Error
PID : 2040060 TID : 1 PROC : db2
INSTANCE: DB2 NODE : 000
FUNCTION: DB2 UDB, command line process, clp_start_bp, probe:3
MESSAGE : CLP frontend unable to get REQUEST queue handle
DATA #1 : Hexdump, 4 bytes
0x0FFFFFFFFFFFD6F8 : 870F 0042 ...B
DB2 v10.1 CLP environment may not return any SQLCODE but still log the following:
2014-10-10-17.54.38.966000-240 I2869F437 LEVEL: Error
PID : 3856 TID : 5056 PROC : db2.exe
INSTANCE: DB2 NODE : 000
HOSTNAME: myhost EDUID : 5056
FUNCTION: DB2 UDB, command line process, clp_start_bp, probe:3
MESSAGE : CLP frontend unable to get REQUEST queue handle
DATA #1 : Hexdump, 4 bytes
0x00000000001EB4C4 : 4200 0F87
2011-10-28-07.57.17.335302-240 I70274A383 LEVEL: Error
PID : 2040060 TID : 1 PROC : db2
INSTANCE: DB2 NODE : 000
FUNCTION: DB2 UDB, command line process, clp_start_bp, probe:3
MESSAGE : CLP frontend unable to get REQUEST queue handle
DATA #1 : Hexdump, 4 bytes
0x0FFFFFFFFFFFD6F8 : 870F 0042 ...B
DB2 v10.1 CLP environment may not return any SQLCODE but still log the following:
2014-10-10-17.54.38.966000-240 I2869F437 LEVEL: Error
PID : 3856 TID : 5056 PROC : db2.exe
INSTANCE: DB2 NODE : 000
HOSTNAME: myhost EDUID : 5056
FUNCTION: DB2 UDB, command line process, clp_start_bp, probe:3
MESSAGE : CLP frontend unable to get REQUEST queue handle
DATA #1 : Hexdump, 4 bytes
0x00000000001EB4C4 : 4200 0F87
[{"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Component":"Database Objects\/Config - Instance","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"}],"Version":"9.7;9.5;9.1;10.1","Edition":"","Line of Business":{"code":"LOB10","label":"Data and AI"}}]
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Document Information
Modified date:
30 April 2025
UID
swg21569876