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Troubleshoot Goldengate using Logdump


Troubleshoot Golden Gate :-

01. Get error detail from ggserr.log
02. Identify your file using following command
     ggsci> INFO REPLICAT <REP_NAME> DETAIL
     Last two digits of the file name represents the Sequence Number. for example:
        “/u01/oracle/goldengate/dirdat/se000007”
03. Find out position such as op pos=00000000000000006637, tx pos=00000000000000002467     
04. Use logdump uitility on GGSCI command
    use rlwrap so that you can scroll and search
    $ rlwrap ./logdump
    GHDR ON
    DETAIL ON
    DETAIL DATA
05.  Logdump>OPEN /u01/ogg-bd/dirdat/<File_Name>
       Logdump 12 >pos 6637
       Logdump 37 >POS 0
Reading forward from RBA 0
Logdump 38 >FILTER INCLUDE FILENAME ORCL.SOE.CUSTOMERS
Logdump 39 >N
    Here is the way how LOGSCN appear in GG Dump file
        TokenID x4c 'L' LOGCSN    Info x00  Length    8   
        3131 3637 3235 3433  | 11672543

Options to fix the issue:-

Reset RBA using Logdump
SKIPTRANSACTION Parameter
HANDLECOLLISIONS Parameter
Exceptional handling

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