DB2 - Problem description
Problem IT36060 | Status: Closed |
IN RARE INSTANCES, DB2 11.5.5 MAY CRASH DURING DB2START WHEN JWTAUTHENTICATION IS ENABLED | |
product: | |
DB2 FOR LUW / DB2FORLUW / B50 - DB2 | |
Problem description: | |
When JWT authentication is enabled in Db2 11.5.5, in rare instances the Db2 engine may crash during database manager startup. DB2START processing will be reported as successful, but subsequent connections to the database will fail with "SQL1032N No start database manager command was issued". The following call stack maybe be seen in the Db2 diagnostic log: CALLSTCK: (Static functions may not be resolved correctly, as they are resolved to the nearest symbol) [0] 0x00007F677D20FB6D _ZN13SQLO_MEM_POOL32diagnoseMemoryCorruptionAndCrashEmPKcb + 0x20D [1] 0x00007F677D207DAD _ZN13SQLO_MEM_POOL10MemTreeGetEmmPP17SqloChunkSubgroupPj + 0x3D [2] 0x00007F677D20F831 _ZN13SQLO_MEM_POOL19allocateMemoryBlockEmmjmPP17SqloChunkSubgrou pPjP12SMemLogEvent + 0x61 [3] 0x00007F677D1EE800 sqloGetMemoryBlockExtended + 0x980 [4] 0x00007F677B2C0E44 _Z26sqlexInsertVerificationKeyP14cryptSecretKeyPcPhjh + 0xE4 [5] 0x00007F677B2C11C5 _Z29sqlexGetTokenVerificationKeysP23sqlexKeystoreConfigFilePP14c ryptSecretKeyP5sqlca + 0x2E5 [6] 0x00007F677D2366F2 /database/config/db2inst1/sqllib/lib64/libdb2e.so.1 + 0xA1706F2 [7] 0x00007F677D23770A sqloRunInstance + 0xA3A [8] 0x000000000041992E DB2main + 0xD6E [9] 0x00007F677D241812 sqloEDUEntry + 0xD2 [10] 0x00007F6783A67EA5 /lib64/libpthread.so.0 + 0x7EA5 [11] 0x00007F6771F7E96D clone + 0x6D | |
Problem Summary: | |
**************************************************************** * USERS AFFECTED: * * All DB2 systems on all Linux, Unix and Windows platforms at * * service level 11.5.5.0. Earlier releases of Db2 are not * * affected * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.5.5.1 * **************************************************************** | |
Local Fix: | |
Solution | |
Workaround | |
**************************************************************** * USERS AFFECTED: * * All DB2 systems on all Linux, Unix and Windows platforms at * * service level 11.5.5.0. Earlier releases of Db2 are not * * affected * **************************************************************** * PROBLEM DESCRIPTION: * * See Error Description * **************************************************************** * RECOMMENDATION: * * Upgrade to Db2 11.5.5.1 * **************************************************************** | |
Comment | |
The complete fix for this problem first appears in DB2 Version 11.5.5.1 and all the subsequent Fix Packs. | |
Timestamps | |
Date - problem reported : Date - problem closed : Date - last modified : | 26.02.2021 01.04.2021 01.04.2021 |
Problem solved at the following versions (IBM BugInfos) | |
Problem solved according to the fixlist(s) of the following version(s) |