ORA-6522 ORA-06520 Reported on Starting the MGW Agent
(Doc ID 344786.1)
Last updated on JUNE 15, 2022
Applies to:
Oracle Database - Enterprise Edition - Version 9.0.1.0 to 10.1.0.2 [Release 9.0.1 to 10.1]Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
HP-UX PA-RISC (64-bit)
HP-UX PA-RISC (64-bit)
Symptoms
Trying to setup MGW on HP-UX platform, but agent cannot be started
exec dbms_mgwadm.startup fails with the following errors
SELECT AGENT_STATUS, AGENT_PING, LAST_ERROR_MSG FROM MGW_GATEWAY;
NOT_STARTED
ORA-06520 : PL/SQL: Error loading external library
ORA-06552 : Exec format error
Environment is set correctly:
Listener. ora
Listener =
(ADDRESS_LIST =
(ADDRESS= (PROTOCOL= IPC)(KEY= EXTPROC))
(ADDRESS= (PROTOCOL= TCP)(Host=hostname )(Port= <PORT>))
)
SID_LIST_Listener =
(SID_DESC =
(SID_NAME = mgwextproc)
(ENVS="(ENVS=
EXTPROC_DLLS=[ORACLE_HOME]/lib32/libmgwagent.sl,LD_PRELOAD=[ORACLE_HOME]/jdk/jre/lib/PA-RISC/server/libjvm.sl, SHLIB_PATH=[ORACLE_HOME]/jdk/jre/lib/PA_RISC:[ORACLE_HOME]/jdk /jre/lib/PA_RISC/server:[ORACLE_HOME]/lib32)"
(ORACLE_HOME =[ORACLE_HOME])
(PROGRAM = extproc32)
)
Mgw.ora
set
SHLIB_PATH=[ORACLE_HOME]/jdk/jre/lib/PA_RISC:[ORACLE_HOME]/jdk/jre/lib/PA_RISC/server:[ORACLE_HOME]/lib32
Changes
Cause
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