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https://issues.apache.org/jira/browse/FLINK-34890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17828894#comment-17828894
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Flink CDC Issue Import commented on FLINK-34890:
------------------------------------------------

Date: Nov 16, 2023, Author: https://github.com/Naros

Hi @jasonhewg, there have been several changes to the Debezium Oracle connector 
since 1.9.7.Final, which includes several critical bugs around log management 
that could cause this error.

I would suggest (if its possible) to move to Debezium 2.4.1.Final or 
2.5.0.Alpha2 as a baseline for Oracle to get all the fixes that should address 
common issues around ORA-01291.

> io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource 
> :.java.sql.SQLException: ORA-01291: missing log file
> -----------------------------------------------------------------------------------------------------------------------------
>
>                 Key: FLINK-34890
>                 URL: https://issues.apache.org/jira/browse/FLINK-34890
>             Project: Flink
>          Issue Type: Bug
>          Components: Flink CDC
>            Reporter: Flink CDC Issue Import
>            Priority: Major
>              Labels: github-import
>
> ### Search before asking
> - [X] I searched in the 
> [issues](https://github.com/ververica/flink-cdc-connectors/issues) and found 
> nothing similar.
> ### Flink version
> 1.14.2
> ### Flink CDC version
> <flink-connector-oracle-cdc.version>2.4.1</flink-connector-oracle-cdc.version>
> ### Database and its version
> oracle19c
> ### Minimal reproduce step
> 2023-11-03 13:37:44.675 WARN 
> [debezium-oracleconnector-oracle_logminer-change-event-source-coordinator] 
> io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource : 
> Failed to start Oracle LogMiner session, retrying...
> 2023-11-03 13:37:45.286 
> ERROR[debezium-oracleconnector-oracle_logminer-change-event-source-coordinator]
>  io.debezium.connector.oracle.logminer.LogMinerStreamingChangeEventSource : 
> Failed to start Oracle LogMiner after '5' attempts.
> java.sql.SQLException: ORA-01291: missing log file
> ORA-06512: at "SYS.DBMS_LOGMNR", line 72
> ORA-06512: at line 1
> at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:509) 
> ~[com.oracle.database.jdbc-ojdbc8-19.3.0.0.jar!/:19.3.0.0.0]
> at oracle.jdbc.driver.T4CTTIoer11.processError(T4CTTIoer11.java:461) 
> ~[com.oracle.database.jdbc-ojdbc8-19.3.0.0.jar!/:19.3.0.0.0]  
>  
> In addition, I clean the archive logs by executing commands from the rman 
> tool command:
> ------------------------------------------------------------
> Crosscheck archivelog all;
> Delete noprompt archivelog until time 'sysdate -1';
> ------------------------------------------------------------
> Through the above command, the archived logs were retained for one day. 
> During the insertion, deletion, and modification of the table within one day, 
> I also encountered the issue of losing the logs mentioned above.
> May I ask how to solve this problem。
> ### What did you expect to see?
> flink cdc normal run
> ### What did you see instead?
> java.sql.SQLException: ORA-01291: missing log file
> ORA-06512: at "SYS.DBMS_LOGMNR", line 72
> ORA-06512: at line 1
>  
>  io.debezium.connector.common.BaseSourceTask : Going to restart connector 
> after 10 sec. after a retriable exception
> 2023-11-03 16:09:11.458 INFO [pool-18-thread-1] 
> io.debezium.jdbc.JdbcConnection : Connection gracefully closed
> 2023-11-03 16:09:11.459 INFO [debezium-engine] 
> io.debezium.embedded.EmbeddedEngine : Retrieable exception thrown, connector 
> will be restarted
> org.apache.kafka.connect.errors.RetriableException: An exception occurred in 
> the change event producer. This connector will be restarted.
>         at 
> io.debezium.pipeline.ErrorHandler.setProducerThrowable(ErrorHandler.java:46) 
> ~[debezium-core-1.9.7.Final.jar!/:1.9.7.Final]
> ### Anything else?
> _No response_
> ### Are you willing to submit a PR?
> - [X] I'm willing to submit a PR!
> ---------------- Imported from GitHub ----------------
> Url: https://github.com/apache/flink-cdc/issues/2615
> Created by: https://github.com/jasonhewg
> Labels: bug,
> Created at: Mon Dec 18 19:07:44 CST 2023
> State: open



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