Change Data Capture Not Working.

Hi ,
I have created a CDC set-up between 2 databases (Distributed Async CDC). After each step of CDC I verified with the CDC Process and everything looks fine without any issues.
But the main issue is when I introduce some changes at source database, the changes are not being propagated to change tables in Staging Database.
Database Details:
Source DB:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Prod
TNS for 32-bit Windows: Version 10.2.0.4.0 - Production
PL/SQL Release 10.2.0.4.0 - Production
Staging DB:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bi
TNS for Linux: Version 10.2.0.4.0 - Production
PL/SQL Release 10.2.0.4.0 - Production
All the Required Initialization Parameters are set as per the recommendations from Oracle.
Steps Followed to Set-up CDC:
1. Created DB Links between Source and Staging, Staging and Source db's.
2. Created Change Source.
3. Created Change Set.
4. Created Change Tables.
5. Activated Change Set
6. Activated Change Source.
After all the above steps, Logged into Source Db and Updated source table, but I couldn't see any changes being captured in Change tables. I even checked for any errors in DBA_APPLY_ERROR, there is no error logged in this table.
Can anyone help me on this.
Thanks,
Shashi

Anyboby helps!! Thank you!

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I made research about Change Data Capture and I try to implement it between two databases for two small tables in 10g release 2.MY CDC implementation uses archive logs to replicate data.
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Thanks for the reply, but I think I must have not stated the problem clearly. I dont WANT to set the source I want to figure out how this CDC is working. I see ALL the sources are currently set to SYNC_SOURCE. Almost all of the tables are set up with system triggers on them, but 5 dont have system triggers, yet the source says SYNC_SOURCE. I did validate that the change tables are getting updated for these tables. my question is how are they getting updated? I "assume" since they dont have system triggers ont eh table they aren't synchoronus cdc (like the other tables are). yet the source says SYNC_SOURCE. What am I missing? How can I tell if the redo log is populating those changes tables? Im pretty sure it is (Becuase there aren't triggers or jobs running), but Im curious if there is a way to tell for sure.
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Mohammad Nizamuddin
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Mohammad Nizamuddin

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http://social.technet.microsoft.com/Forums/sqlserver/en-US/fa0c2a52-63b5-4a39-9f35-fe6f0eb21d1d/change-data-capture-on-table?forum=sqldatawarehousing
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http://docs.oracle.com/cd/B13789_01/server.101/b10736/cdc.htm#i1027532
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Hello,
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http://docs.oracle.com/cd/B19306_01/server.102/b14223/cdc.htm#i1027532
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Edited by: nik_m on Nov 10, 2011 8:04 AM
Edited by: nik_m on Nov 10, 2011 8:05 AM

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Change Data Capture Not Working.

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