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Release Notes for IDR 11.4 for MySQL Source

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Abstract

Release Notes for IBM Data Replication 11.4 Replication Engine for MySQL Source

Content

Release notes for other IDR 11.4 LUW Replication Engines can be found here: Release Notes for IIDR 11.4 Replication Engines for Linux, Unix and Windows

Binaries are available on Fix Central 

December 19, 2025

IDR 11.4.0.5-5789

Enhancements in IDR 11.4.0.5-5789 for CDC Replication Engine for MySQL source

  • Updated JVM to 17.0.17.0, java version "17.0.17" 2025-10-21 IBM Semeru Runtime Certified Edition 17.0.17.0 (build 17.0.17+10). For details, see IBM Semeru Runtimes fixes for version 17 enhancement luw-base
  • Updated various open source libraries. Installer size increased.

Bugs fixed in IDR 11.4.0.5-5789 for CDC Replication Engine for MySQL source

  • External Secret Store fields are missing from the Windows configuration tool dmconfigurets

November 28, 2025

IDR 11.4.0.5-5788

Enhancements in IDR 11.4.0.5-5788 for CDC Replication Engine for MySQL source

  • Dmshowversion command output now includes Java version

Known Issues fixed in IDR 11.4.0.5-5788 for CDC Replication Engine for MySQL source

  • DT456454 CDC Replication Engine for MySQL - changes do not replicate following a MySQL abrupt restart
  • DT456860 CDC Replication Engine targets - refresh performance can be lower when using multiple image builder threads
 

October 30, 2025

IDR 11.4.0.5-5785

Enhancements in IDR 11.4.0.5-5785 for CDC Replication Engine for MySQL source

  • IDR for MySQL source now support Amazon RDS for MySQL

Known Issues fixed in IDR 11.4.0.5-5785 for CDC Replication Engine for MySQL source

  • DT448348 CDC Replication Engines do not set JVM parameter -Xms after saving configuration

Bugs fixed in IDR 11.4.0.5-5785 for CDC Replication Engine for MySQL source

  • com.datamirror.ts.assertion.NecessityException with encoding not supported error reported after upgrading CDC.
  • MsgReaddTableshandler.readdPublishedTable() can block metadata access when getting the latest column definitions
  • External table load while mirror call to dmmarkexternalunloadend fails with "Attempt to mark end of external unload without marking start of external unload for table"
  • Message to get the DB columns for a table holds metadata lock too long so it locks out other threads

September 30, 2025

IDR 11.4.0.5-5783

Enhancements in IDR 11.4.0.5-5783 for CDC Replication Engine for MySQL source

  • CDC is now supported in OpenShift Virtualization clusters, with configuration guidance available in the Knowledge Center.
  • Updated JVM to 17.0.16.0, java version "17.0.16" 2025-07-15 IBM Semeru Runtime Certified Edition 17.0.16.0 (build 17.0.16+8). For details, see IBM Semeru Runtimes fixes for version 17
  • Implement a global %REPLACE functionality that would replace all matching characters in all columns of all tables.
  • IDR now supports External Parallel Table Load (Refresh) while mirroring.

Known Issues fixed in IDR 11.4.0.5-5783 for CDC Replication Engine for MySQL source

  • DT451013 CDC Replication Engine for MySQL - subscriptions fail on error "java.lang.AssertionError" when a table's storage engine type is altered from MyISAM to InnoDB
  • DT451393 CDC Replication Engine for MySQL - Subscriptions stop when MySQL Log Parser throws AssertionError "This constructor is not supported for MySQL
  • DT450444 Differential Refresh deletes all remaining rows in the target table if the subscription is stopped immediate or abort

September 1, 2025

IDR 11.4.0.5-5776

Enhancements in IDR 11.4.0.5-5776 for CDC Replication Engine for MySQL source

  • System property target_allow_parallel_jdbc_refresh has been added to enable JDBC refresh of a table to be performed by multiple apply threads.

APARs fixed in IDR 11.4.0.5-5776 for CDC Replication Engine for MySQL source

  • DT447888 INVALID TABLE NAME EXCEPTION WHEN RUNNING DMREMOVECLOSEDTXN UTILITY IF PERSISTED PRIVATE PARSER TXN QUEUES EXIST AND THE CORRESPONDING SUBSCRIPTION NAME IS NOT EXACTLY 12 CHARACTERS IN LENGTH.

Known Issues fixed in IDR 11.4.0.5-5776 for CDC Replication Engine for MySQL source

  • DT447888 INVALID TABLE NAME EXCEPTION WHEN RUNNING DMREMOVECLOSEDTXN UTILITY IF PERSISTED PRIVATE PARSER TXN QUEUES EXIST AND THE CORRESPONDING SUBSCRIPTION NAME IS NOT EXACTLY 12 CHARACTERS IN LENGTH.

August 1, 2025

IDR 11.4.0.5-5770

Enhancements in IDR 11.4.0.5-5770 for CDC Replication Engine for MySQL source

  • IDR now supports cipher suites TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384 and TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 with TLS 1.2.
  • IDR now supports Ubuntu 22.04 LTS and 24.04 LTS
  • The system properties queue_blocking_call_before_flushing_timeout and target_optimizer_wait_timeout_millis can now be changed without requiring the subscription to be stopped before the changes take effect
  • The system properties queue_blocking_call_before_flushing_timeout and target_optimizer_wait_timeout_millis can now be set on a per-subscription basis

Bugs fixed in IDR 11.4.0.5-5770 for CDC Replication Engine for MySQL source

  • Fixed the issue that caused %TOCHAR expression to fail with "newValue is out of valid range" error while using decimal parameters after upgrade

June 27, 2025

IDR 11.4.0.5-5768

Enhancements in IDR 11.4.0.5-5768 for CDC Replication Engine for MySQL source

  • Batching is now allowed when using a NetEffectConvertUpdates fast apply algorithm for Adaptive Apply mappings or during the Refresh While Active (RWA) period. This substantially improves performance in these situations.
  • Insert batching via a single multi-row insert statement is now supported when JDBC insert batching does not deliver signficant performance gains.
  • Adaptive Apply (AA) is now only performed during refresh if table truncate is disabled or the user has explicitly specified they want AA during refresh by setting a system property. This substantially improves refresh performance for AA mappings by allowing Fastload refresh and JDBC batching during JDBC refresh

Known Issues fixed in IDR 11.4.0.5-5768 for CDC Replication Engine for MySQL source

  • DT442954 CDC Replication Engines - subscriptions intermittently fail to start with "startup timeout has occurred. Replication will end" event

June 4, 2025

IDR 11.4.0.5-5765

Enhancements in IDR 11.4.0.5-5765 for CDC Replication Engine for MySQL source

  • As of May 31, 2025, CDC Replication Engine for MySQL Source will no longer support MySQL 5.6
  • IDR now supports MySQL 8.4 as source.
  • IDR now supports MySQL version 8.4 as target.
  • Updated JVM to 17.0.15.0, java version "17.0.15" 2025-04-15 IBM Semeru Runtime Certified Edition 17.0.15.0 (build 17.0.15+6). For details, see IBM Semeru Runtimes fixes for version 17

Known Issues fixed in IDR 11.4.0.5-5765 for CDC Replication Engine for MySQL source

  • DT439373 CDC Replication Engine for MySQL - When multiple tables have DDL changes, the engine should issue event 9505 for each table but it only issues event 1713
  • DT439062 CDC Replication Engine for MySQL source - subscription stops when DDL performed on a table in another subscription
  • DT438085 CDC Replication Engines - Event notification with SMTP fails with javax.mail.AuthenticationFailedException after secret store changes. The fix is available in 11.4.0.5-5752 and newer.

Bugs fixed in IDR 11.4.0.5-5765 for CDC Replication Engine for MySQL source

  • Non inline LOBs in a JDBC batch are not closed

May 1, 2025

IDR 11.4.0.5-5761

Known Issues fixed in IDR 11.4.0.5-5761 for CDC Replication Engine for MySQL source

  • DT436141 CDC Replication Engine for MySQL - When multiple tables have DDL changes, there is only an event 9505 logged for one table, so it takes multiple attempts to resolve all the DDL changes.
  • DT436142 CDC Replication Engine for MySQL - When multiple tables have DDL changes, there is an event 9505 logged for one table and exception is "Invalid timestamp used to create progress operations in instance trace log"
  • DT436143 CDC Replication Engine for MySQL - When multiple tables have DDL changes, there is an event 9505 logged for one table, after DDL remediation received an event 1713 instead of 9505 for next DDL table.

April 4, 2025

IDR 11.4.0.5-5757

Enhancements in IDR 11.4.0.5-5757 for CDC Replication Engine for MySQL source

April 3, 2025

IDR 11.4.0.5-5754

Known Issues fixed in IDR 11.4.0.5-5754 for CDC Replication Engine for MySQL source

  • DT426738 CDC Replication Engines for MySQL/Maria DB- Fixed "NecessityException when DDL contains unsigned int/bigint data type"
 

February 28, 2025

IDR 11.4.0.5-5752

Enhancements in IDR 11.4.0.5-5752 for CDC Replication Engine for MySQL source

  • Updated JVM to 17.0.13.0, java version "17.0.13" 2024-10-15 IBM Semeru Runtime Certified Edition 17.0.13.0 (build 17.0.13+11). How to take a backup, recompile Java user exits, KCOPs and external secret store classes are described in CDC Replication Engines migrate from Java 8 to Java 17, along with troubleshooting tips.
  • Effective July 2025, IDR CDC will no longer provide support for following operating system versions: RedHat Enterprise Linux (RHEL) 7; CentOS 7.x. This extends support from January 2025 through July 2025

Known Issues fixed in IDR 11.4.0.5-5752 for CDC Replication Engine for MySQL source

  • DT424556 CDC Replication Engines for MySQL, MariaDB - After altering a source table's structure (DDL), updating its table definition fails with "Table does not exist any more" if the table is in a different database than the CDC metadata
  • DT422424 CDC Replication Engines for MySQL, MariaDB - subscription mirroring ends on NecessityException "Unexpected opCode x" when processing a "create table as select" statement
  • DT423908 CDC Replication Engines for MySQL, MariaDB - Mirroring continues despite datastore events indicating AssumptionException "did not return any row for column ID" when a table's database or schema contains an underscore in its name
 

December 20, 2024

IDR 11.4.0.5-5742

Enhancements in IDR 11.4.0.5-5742 for CDC Replication Engine for MySQL source

  • Updated JVM to 8.0.8.35, java version "1.8.0_431" Java(TM) SE Runtime Environment (build 8.0.8.35 - pap6480sr8fp35-20241105_01(SR8 FP35)). For details, see Java SDK fixes, version 8.0. Recompile Java user exits, KCOPs and external secret store classes.

Known Issues fixed in IDR 11.4.0.5-5742 for CDC Replication Engine for MySQL source

  • DT419421 CDC Replication Engines - command line utilities might not properly negotiate TLS settings with the local engine

December 9, 2024

IDR 11.4.0.5-5740

Enhancements in IDR 11.4.0.5-5740 for CDC Replication Engine for MySQL source

  • Provide ability to trim trailing whitespace characters from source character-type columns when being applied to varchar columns

Known Issues fixed in IDR 11.4.0.5-5740 for CDC Replication Engine for MySQL source

  • DT417026 CDC Replication Engines for MySQL, MariaDB - data not replicating when a source table has a trigger that performs DML on an out of scope table
  • DT416679 CDC Replication Engines - Subscription does not stop if data channel and/or control channel connection is implicitly closed due to error
  • DT418775 CDC Replication Engines - Following upgrade, engines using an External Secret Store User Exit may fail to start, reporting invalid user/password to customer database. Affects upgrades to 11.4.0.5-5735 or older.
 
 

October 2, 2024

IDR 11.4.0.5-5733

Enhancements in IDR 11.4.0.5-5733 for CDC Replication Engine for MySQL source

  • Updated JVM to 8.0.8.30, java version "1.8.0_421" Java(TM) SE Runtime Environment (build 8.0.8.30 - pwa6480sr8fp30-20240801_01(SR8 FP30))
  • %REPLACE derived expression can now replace codepoints above 127

Known Issues fixed in IDR 11.4.0.5-5733 for CDC Replication Engine for MySQL source

  • DT395890 CDC Replication Engines - an instance being used as a source datastore can stop due to NullPointerException in singlescrape
  • DT396565 CDC Replication Engines - Target engine Fast Apply does not retry if it encounters a SQL exception such as a commit failing

Bugs fixed in IDR 11.4.0.5-5733 for CDC Replication Engine for MySQL source

  • dmshowversion, dmconfigurets unable to run if you select "IBM Data Replication IMS for z/OS Remote Source" offering during installation

September 10, 2024

IDR 11.4.0.5-5731

Enhancements in IDR 11.4.0.5-5731 for CDC Replication Engine for MySQL source

  • Users can now specify subscriptions that are not allowed to use the shared scrape staging store by setting system property mirror_subs_allowed_to_use_staging_store to false at the subscription level

Known Issues fixed in IDR 11.4.0.5-5731 for CDC Replication Engine for MySQL source

  • DT393066 CDC Replication Engine for MySQL Source - Fixed JSON datatype column intermittently not replicating
  • DT393813 CDC Replication Engines - Differential Refresh includes CDR columns in update and delete where clauses leading to rows not being found

September 10, 2024

IDR 11.4.0.5-5730

Enhancements in IDR 11.4.0.5-5730 for CDC Replication Engine for MySQL source

  • CDC Replication Engines now issue a warning if source and target columns have incompatible datatypes during table assignment for non-explicitly mapped columns
  • System property mirror_timezone_support_enabled added to force CDC Replication Engines to use the source timezone when converting JCF and commit timestamps

June 27, 2024

IDR 11.4.0.5-5726

Enhancements in IDR 11.4.0.5-5726 for CDC Replication Engine for MySQL source

  • Effective January 2025, IDR CDC will no longer provide support for following operating system versions: RedHat Enterprise Linux (RHEL) 7; CentOS 7.x

June 4, 2024

IDR 11.4.0.5-5725

Enhancements in IDR 11.4.0.5-5725 for CDC Replication Engine for MySQL source

  • IIDR now provides the option of retrying the fast apply failed Unit of Work
  • Updated JVM to 8.0.8.25, java version "1.8.0_411" Java(TM) SE Runtime Environment (build 8.0.8.25 - pwa6480sr8fp25-20240328_01(SR8 FP25))

Known Issues fixed in IDR 11.4.0.5-5725 for CDC Replication Engine for MySQL source

  • DT382379 CDC Replication Engines - dmsupportinfo command does not collect complete details expected.

May 23, 2024

IDR 11.4.0.5-5722

Known Issues fixed in IDR 11.4.0.5-5722 for CDC Replication Engine for MySQL source

  • DT258648 CDC Replication Engines - Replication ends on error "ClassNotFoundException" for Timestamp12Format class when executing a user exit that uses Timestamp12 class

May 1, 2024

IDR 11.4.0.5-5721

Enhancements in IDR 11.4.0.5-5721 for CDC Replication Engine for MySQL source

  • CDC now supports custom character sets that map multiple byte sequences to the same Unicode character.
 

March 28, 2024

IDR 11.4.0.5-5715

Enhancements in IDR 11.4.0.5-5715 for CDC Replication Engine for MySQL source

  • Document userexit interfaces such as UserExitIF, DataRecordIF and ReplicationEventIF in docs folder

Known Issues fixed in IDR 11.4.0.5-5715 for CDC Replication Engine for MySQL source

  • DT270157 CDC Replication Engine for MySQL source - mirroring fails with a Log Reader NullPointerException error when it encounters an IGNORABLE event before the first GTID event in the log
 

March 1, 2024

IDR 11.4.0.5-5706

Enhancements in IDR 11.4.0.5-5706 for CDC Replication Engine for MySQL source

  • Updated JVM to 8.0.8.20, java version "1.8.0_401" (build 8.0.8.20 - pwa6480sr8fp20-20240112_01(SR8 FP20))
  • Increased the requested maximum number of pending connections on the TCP accept queue

January 25, 2024

IDR 11.4.0.5-5703

Enhancements in IDR 11.4.0.5-5703 for CDC Replication Engine for MySQL source

  • Support replicating from binary logs having mixed GTID
  • Effective February 2024, IDR CDC will no longer provide support for following operating system versions: SuSE 11.0; Ubuntu 16.04; Oracle Linux 6.x; CentOS 6.x; AIX 7.1; Microsoft Windows 7, 8, 8.1, Server 2008, Server 2008R2

Bugs fixed in IDR 11.4.0.5-5703 for CDC Replication Engine for MySQL source

  • When a key column update is converted to a delete/insert, we unnecessarily use Adaptive Apply as the RWA conflict resolution method for the delete and insert

December 22, 2023

IDR 11.4.0.5-5702

Enhancements in IDR 11.4.0.5-5702 for CDC Replication Engine for MySQL source

  • Added ParallelizeByHash, ParallelizeByHashNetEffect, and ParallelizeByHashNetEffectConvertUpdates fast apply algorithms

Bugs fixed in IDR 11.4.0.5-5702 for CDC Replication Engine for MySQL source

  • Specifying the number of image builder threads via the NullMirrorOptimizer fast apply user exit causes subscription to stop

December 5, 2023

IDR 11.4.0.5-5700

Enhancements in IDR 11.4.0.5-5700 for CDC Replication Engine for MySQL source

  • Updated various open source libraries

Known Issues fixed in IDR 11.4.0.5-5700 for CDC Replication Engine for MySQL source

  • DT246760 Added system parameter based retry for MySQL/MariaDB binary log wait interval.

Bugs fixed in IDR 11.4.0.5-5700 for CDC Replication Engine for MySQL source

  • Event log does not print correct start position for new consecutive binary log file read

October 30, 2023

IDR 11.4.0.5-5699

Enhancements in IDR 11.4.0.5-5699 for CDC Replication Engine for MySQL source

  • Adding partition table support for MySQL/MariaDB

Bugs fixed in IDR 11.4.0.5-5699 for CDC Replication Engine for MySQL source

  • Fix incorrect product version shown in Windows program manager
 

September 28, 2023

IDR 11.4.0.5-5696

Enhancements in IDR 11.4.0.5-5696 for MySQL source

  • Updated JVM to 8.0.8.11, java version "1.8.0_381"

Bug fixes in IDR 11.4.0.5-5696 for MySQL source

  • Staging store can be starved for memory if transaction queues use it all, resulting in subscriptions cycling constantly between private and shared scrape even though the staging store quota has not been reached yet

August 30, 2023

IDR 11.4.0.4-5694

Enhancements in IDR 11.4.0.4-5694 for MySQL source

  • Updated JVM to 8.0.8.6, java version "1.8.0_371" (build 8.0.8.6 - pxz6480sr8fp6ifix-20230817_01(SR8 FP6+IJ47696))

APARs in IDR 11.4.0.4-5694 for MySQL source

  • JR65324 DMSHOWLOGDEPENDENCY COMMAND FAILS WITH NUMERIC OVERFLOW FOR HUGE BINLOG FILES

Bug fixes in IDR 11.4.0.4-5694 for MySQL source

  • dmshowlogdependency command fails with 'Numeric Overflow' if a huge binlog file is found by "Show binary logs" query.

August 29, 2023

IDR 11.4.0.4-5693

APARs in IDR 11.4.0.4-5693 for MySQL source

  • JR65322 CDC FAILS WITH "COM.DATAMIRROR.TS.ASSERTION.NECESSITYEXCEPTION. THE ERROR VALUE IS "UNEXPECTED OPCODE X"

July 31, 2023

IDR 11.4.0.4-5686

Enhancements in IDR 11.4.0.4-5686 for MySQL source

  • Added utility dmremoveclosedtxn to remove a committed/aborted transaction from the transaction queues
  • Added utility dmsetrestartposition to set the restart position of a subscription bookmark
  • Updated JVM to 8.0.8.6, java version "1.8.0_371"

July 14, 2023

IDR 11.4.0.4-5684

Known Issues fixed in IDR 11.4.0.4-5684 for MySQL source

  • DT216021 IDR for MySql and MariaDB now supports reading large bin log file greater than 4.2 GB

May 30, 2023

IDR 11.4.0.4-5676

Enhancements in IDR 11.4.0.4-5676 for MySQL source

  • Add support for JSON data types
  • Added ParallelizeByTableNetEffect and ParallelizeByTableNetEffectConvertUpdates fast apply algorithms

Known Issues fixed in IDR 11.4.0.4-5676 for MySQL source

  • DT214653 IDR for MySql and MariaDB can process bin log file greater than 2 GB and position greater than MAX INT value.

Bug fixes in IDR 11.4.0.4-5676 for MySQL source

  • MySQL:Fix dmshowlogdependency to work when database is remote.

April 27, 2023

IDR 11.4.0.4-5674

Enhancements in IDR 11.4.0.4-5674 for MySQL source

  • Updated JVMs to 8.0.8.0

APARs in IDR 11.4.0.4-5674 for MySQL source

  • JR65266 ARRAY INDEX OUT OF BOUNDS EXCEPTION IF MAPPING HAS MULTIPLE DERIVED COLUMNS AND A SELECTED DERIVED COLUMN FOLLOWS AN OMITTED DERIVED COLUMN

March 31, 2023

IDR 11.4.0.4-5672

Enhancements in IDR 11.4.0.4-5672 for MySQL source

  • New derived expression %ORDERTAB(), to track per table record sequence number, is now supported on target agent.
  • Updated JVMs to 8.0.7.20

Bug fixes in IDR 11.4.0.4-5672 for MySQL source

  • In some low volume workloads latency can be 1-5 seconds more than it should be

March 3, 2023

IDR 11.4.0.4-5670

Enhancements in IDR 11.4.0.4-5670 for MySQL source

  • Prevent JDBC refresh from failing with duplicate key exceptions during standard apply

APARs in IDR 11.4.0.4-5670 for MySQL source

  • JR65110 REFRESH NUMBER OF ROWS SUCCESSFULLY APPLIED CAN BE NEGATIVE
  • JR65235 ROW FILTER &ENTTYP='UB' NEVER MATCHES, AND &ENTTYP='UP' MATCHES BOTH UB AND UP ROWS

February 3, 2023

IDR 11.4.0.4-5666

Enhancements in IDR 11.4.0.4-5666 for MySQL source

  • IDR now supports TLS 1.3 in addition to TLS 1.2 for communication between Management Console, Access Server, source datastores and target datastores. For improved security, only the most secure protocols are supported for TLS 1.3 (TLS_AES_256_GCM_SHA384, TLS_AES_128_GCM_SHA256) and TLS 1.2 (TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384, TLS_DHE_RSA_WITH_AES_256_GCM_SHA384, TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256, TLS_DHE_RSA_WITH_AES_128_GCM_SHA256).

Bug fixes in IDR 11.4.0.4-5666 for MySQL source

  • TCP/IP connections are closed prematurely when encrypted with TLS.
  • "PKIX path building failed" error while retrieving schemas from the database over TLS, even though the database's root CA certificate was configured in the encryption profile's trust store.

December 22, 2022

IDR 11.4.0.4-5661

Enhancements in IDR 11.4.0.4-5661 for MySQL source

  • JDBC batching is now allowed if target table before-operation user exits exist

APARs in IDR 11.4.0.4-5661 for MySQL source

  • JR65202 IDR FOR MYSQL/MARIADB WOULD FAIL WITH UNKNOWN BINARY LOG EVENT TYPE WHEN READING THE FILE HEADER INFO

November 25, 2022

IDR 11.4.0.4-5660

APARs in IDR 11.4.0.4-5660 for MySQL source

  • JR65190 CDC ENCOUNTERED AN "UNKNOWN BINARY LOG EVENT" WHILE READING IGNORABLE BINARY LOG EVENT
  • JR65185 IDR FOR MYSQL CONSUMES HIGH CPU WHILE IDLE.

October 31, 2022

IDR 11.4.0.4-5659

Enhancements in IDR 11.4.0.4-5659 for MySQL source

  • Added property target_apply_assume_db_enforces_unique_key_violations that indicates whether CDC should assume the target database enforces unique key violations
  • Do not send DML operation if column participating in row filtering condition is updated

September 28, 2022

IDR 11.4.0.4-5656

Enhancements in IDR 11.4.0.4-5656 for MySQL source

  • Performance optimization added for applying all deletes in a batch as a single delete statement. Dramatically improves performance of applying deletes against column organized tables. Enabled by setting system property target_apply_delete_batch_via_single_statement = true

APARs in IDR 11.4.0.4-5656 for MySQL source

  • JR65146 IIDR CONTINUOUSLY LOGS EVENT MESSAGES DUE TO INCORRECT REALLOCATION OF BUFFER CAPACITY.
  • JR65145 CDC COMMAND DMFLAGFORREFRESH SHOULD NOT ALLOW TO USE DIFFERENTIAL REFRESH (-DR) OPTION IF TARGET ENGINE DOESN'T SUPPORT IT

Bug fixes in IDR 11.4.0.4-5656 for MySQL source

  • IIDR continuously logs event messages due to incorrect reallocation of buffer capacity.

August 31, 2022

IDR 11.4.0.4-5652

Enhancements in IDR 11.4.0.4-5652 for MySQL source

  • dmclearstagingstore no longer implicitly clears the shared scrape parser transaction queues as this is not necessary in most cases

APARs in IDR 11.4.0.4-5652 for MySQL source

  • JR65079 IIDR HANGS DURING HOL CONDITION AND INSTANCE TRACES ARE FLOODED WITH EVENT MESSAGES
  • JR65123 TRUNCATION WARNING ISSUED EVEN THOUGH THERE IS NO NON-SPACE DATA TO BE TRUNCATED
 

June 27, 2022

IDR 11.4.0.4-5643

Enhancements in IDR 11.4.0.4-5643 for MySQL source

  • Support storing replication engine database credentials in an external secret store
  • Updated JVMs to 8.0.7.10

May 5, 2022

IDR 11.4.0.4-5629

APARs in IDR 11.4.0.4-5629 for MySQL source

  • JR64572 NO WARNING EVENT WHEN CHARACTER DATA IS TRUNCATED

March 30, 2022

IDR 11.4.0.4-5627

Enhancements in IDR 11.4.0.4-5627 for MySQL source

  • Parallel Apply is now allowed with Adaptive Apply

APARs in IDR 11.4.0.4-5627 for MySQL source

  • JR64736 WARNING 9700 CAN OCCUR AND DUPLICATE OPERATIONS APPLIED IF A SUBSCRIPTION IS USING SHARED SCRAPE AND STAGING STORE IS CLEARED

March 3, 2022

IDR 11.4.0.4-5625

Enhancements in IDR 11.4.0.4-5625 for MySQL source

  • InstallAnywhere VM pack for CDC engine installer updated to Java 8.0.7.0
  • IDR added a new command line utility "dmimportuserconfiguration" to help automate creation of multiple product instances with user configured values

APARs in IDR 11.4.0.4-5625 for MySQL source

  • JR64612 FIXED "ASSERTION.NECESSITYEXCEPTION" DURING MIRRORING FOR TIME(N) DATATYPE
  • JR64635 FIXED DATA MISSING ISSUE ON TARGET WHEN LAST DML IS FOR OUT OF SCOPE TABLE IN A SOURCE TRANSACTION HAVING DML'S FOR BOTH IN SCOPE AND OUT OF SCOPE TABLES
  • JR64641 FIXED "ASSERTION.NECESSITYEXCEPTION" DURING MIRRORING WHEN SELECTING TABLE FOR MAPPING FROM A DATABASE OTHER THAN THE CONFIGURED DATABASE.
  • JR64618 DMTS64 PROCESS IS TAKING A LONGER TIME TO START

Bug fixes in IDR 11.4.0.4-5625 for MySQL source

  • Fixed possible "duplicate key" or "row does not exist" error when replication key is being updated with ParallelizeSingleTableByHash fast apply algorithm

January 28, 2022

IDR 11.4.0.4-5622

Enhancements in IDR 11.4.0.4-5622 for MySQL source

  • Java Runtime Environment updated from IBM Java 8.0.6.30 to 8.0.7.0. Fix notes can be found at https://developer.ibm.com/javasdk/support/fixes/sdk8/ . This resolves IJ35231 - Missing byte when retrieving LOB data from database.

January 4, 2022

IDR 11.4.0.4-5618

APARs in IDR 11.4.0.4-5618 for MySQL source

  • JR64485 ADDRESSED ILLEGALARGUMENTEXCEPTION EMPTY KEY ERROR ISSUED DURING UPGRADE FOR SUBSCRIPTION ALERT HANDLERS CONFIGURED WITHOUT A SENDER EMAIL AND PASSWORD
 

December 17, 2021

IDR 11.4.0.4-5616

Enhancements in IDR 11.4.0.4-5616 for MySQL source

  • Added slf4j-api-2.0.0-alpha5.jar, slf4j-jdk14-2.0.0-alpha5.jar
  • No longer bundle log4j-1.2.17.jar, slf4j-api-1.7.26.jar, slf4j-log4j12-1.7.26.jar dependencies

November 30, 2021

IDR 11.4.0.4-5611

APARs in IDR 11.4.0.4-5611 for MySQL source

  • JR64335 OUTOFMEMORY OCCURS WHEN TLS ENCRYPTION IS ENABLED AND MANY AGENT CONNECTIONS ARE MADE TO THE INSTANCE

October 29, 2021

IDR 11.4.0.4-5609

APARs in IDR 11.4.0.4-5609 for MySQL source

  • JR64080 CHC9696E DATA PROTOCOL API "DPGETFIELD" REQUEST HAS FAILED ERROR OCCURS DURING STARTING SUBSCRIPTION WHEN TARGET IS CDC DB2 Z/OS

September 27, 2021

IDR 11.4.0.4-5607

Bug fixes in IDR 11.4.0.4-5607 for MySQL source

  • Addressed an issue causing bootstrap- .jar, user-exit- .jar and kafka-engine-kcop- .jar to keep accumulating in lib folder after product upgrades

September 3, 2021

IDR 11.4.0.4-5603

APARs in IDR 11.4.0.4-5603 for MySQL source

  • JR64071 IDR CDC FAILS WITH STATEMENT CLOSED ERROR WHILE RUNNING ADDITIONAL SQL STATEMENTS DURING REFRESH.

Bug fixes in IDR 11.4.0.4-5603 for MySQL source

  • Addressed an issue causing an OOM error if there are large number of trace files
 

July 6, 2021

IDR 11.4.0.4-5599

Enhancements in IDR 11.4.0.4-5599 for MySQL source

  • Updated the Java Virtual Machine to IBM 8.0.6.30

APARs in IDR 11.4.0.4-5599 for MySQL source

  • JR63805 UTILITY TRACE FILES ARE ALWAYS GENERATED EVEN IF GLOBAL_TRACE_UTILITY_CREATE_ON_DEMAND = TRUE IF GLOBAL TRACING WAS EVER ENABLED
  • JR63847 NECCESSITYEXCEPTION "CHANGE LOG BLOCK WE ARE TRYING TO READ IS EMPTY!" IF TIMING CIRCUMSTANCES ARE UNFORTUNATE
  • JR63844 NPE OR ASSUMPTION EXCEPTION IF SUBSCRIPTION IS USING SHARED SCRAPE AND STAGING STORE IS CLEARED OR DISK QUOTA EXCEEDED
  • JR63848 MEMORY LEAK IF SHARED SCRAPE STAGING STORE IS CLEARED WHEN MEMORY WAS TIGHT

Bug fixes in IDR 11.4.0.4-5599 for MySQL source

  • Addressed an issue causing some persistent subscriptions to restart unexpectedly after the user stopped multiple subscriptions at the same time

May 26, 2021

IDR 11.4.0.3-5596

APARs in IDR 11.4.0.3-5596 for MySQL source

  • JR63704 CDC IS QUERYING MYSQL DATABASE FOR LOB DATA RATHER THAN READING FROM LOG
  • JR63528 DMIMPORTCONFIGUARATION DOES NOT ALLOW TO IMPORT INSTANCE CONFIGURATION FOR MYSQL COMMUNITY EDITION

Bug fixes in IDR 11.4.0.3-5596 for MySQL source

  • Fixed NecessityException in ChangeLogBlock on instance start up

April 28, 2021

IDR 11.4.0.3-5594

APARs in IDR 11.4.0.3-5594 for MySQL source

  • JR63511 AUDIT WRONGLY DETECTS THAT REPLICATION ENGINE HAS MULTIPLE OFFERINGS INSTALLED
  • JR63191 DMTS64 CPU USAGE GOES TO NEAR 100% WHEN LAST SUB USING SHARED SCRAPE STOPS AND BEFORE ITS LOG PARSER AND READER STOP
 
 
 

December 31, 2020

IDR 11.4.0.3-5582

APARs in IDR 11.4.0.3-5582 for MySQL source

  • JR63116 FIXED "LOGFILENOTFOUNDEXCEPTION" WHEN ANY BINARY LOG IN THE DIRECTORY DID NOT HAVE GTID EVENT PRESENT IN THAT BINARY LOG.

December 3, 2020

IDR 11.4.0.3-5576

Enhancements in IDR 11.4.0.3-5576 for MySQL source

  • Add new system parameter " alter_table_data_capture_flag_allow_turn_off" to allow/disallow a CDC source engine to turn off data capture when the table is no longer mapped in any subscription
  • The dmsupportinfo command line utility now dumps and collects configuration metadata in a text format

APARs in IDR 11.4.0.3-5576 for MySQL source

  • JR62920 EXCESSIVE DIAGNOSTIC PROBES FOR TRUNCATE OF CLOB EVENTS

Bug fixes in IDR 11.4.0.3-5576 for MySQL source

  • IDR now truncates LOB data precisely based on the value of the userexit_max_lob_size_kb parameter instead of exceeding the maximum size for some values
 

November 5, 2020

IDR 11.4.0.3-5572

Enhancements in IDR 11.4.0.3-5572 for MySQL source

  • EVENT THAT ALERTS USER THAT IDR HAS DETECTED A DDL NOW INCLUDES THE DDL TEXT IF LOGGING OF DDL STATEMENTS IS ENABLED

APARs in IDR 11.4.0.3-5572 for MySQL source

  • JR62951 IMPROVED ERROR MESSAGE WHEN PRODUCT IS FAILING WITH LOG FILE NOT FOUND EXCEPTION AFTER REFRESH
  • JR62909 INCORRECT SAMPLE CONTENT WHEN ISSUING "DMEXPORTCONFIGURATION -?"
  • JR62934 DMTS64 NOT RELEASING IX (EXCLUSIVE) LOCK ON SYSTABLES AFTER MAKING DATABASEMETADATA CALLS

Bug fixes in IDR 11.4.0.3-5572 for MySQL source

  • &LIBRARY, &MEMBER and &OBJECT Journal Control Fields now evaluate to the correct values instead of an empty string when used in a derived column
  • JR62973 IDR IS NOT POPULATING JCF FIELDS FOR START AND END REFRESH EVENTS WHEN USEREXIT USED

November 5, 2020

IDR 11.4.0.3-5570

Enhancements in IDR 11.4.0.3-5570 for MySQL source

  • The dmsupportinfo command line utility now collects trace files significantly faster
  • The dmsupportinfo command line utility now collects all available trace files, performance statistics and events when you do not use the "-t" property to specify a time range

APARs in IDR 11.4.0.3-5570 for MySQL source

  • JR62799 MIRRORING DOES NOT ENTER FAILED STATE WHEN IT DETECTS A DDL OCCURRED ON A STATIC TABLE
  • JR62787 USER GETS A DUPLICATE KEY EXCEPTION IF THEY HAVE A TABLE MAPPING WITH TWO OR MORE COLUMNS WITH A COMMENT THAT IS THE SAME FOR THE FIRST 260 CHARACTERS

Bug fixes in IDR 11.4.0.3-5570 for MySQL source

  • Addressed a defect in the dmsupportinfo command line utility that caused trace files to be omitted during collection
 

August 28, 2020

IDR 11.4.0.3-5567

APARs in IDR 11.4.0.3-5567 for MySQL source

  • JR62751 FIXED "ENCOUNTERED AN UNKNOWN MYSQL LOG EVENT TYPE" ERROR WHILE READING BINARY LOG
  • JR62737 CDC ERROR 9506 OCCURS AFTER A DDL EVEN WHEN ALL DDL PROCEDURES ARE FOLLOWED

Bug fixes in IDR 11.4.0.3-5567 for MySQL source

  • Fixed Array Index Out of Bounds Exception or Null Pointer Exception occurring when operation from shared scrape staging store needs a table definition that is older than the current table definition

July 30, 2020

IDR 11.4.0.3-5566

Enhancements in IDR 11.4.0.3-5566 for MySQL source

  • Now supports installation as source on IBM LinuxONE
  • Java Runtime Environment updated from IBM Java 8.0.6.0 to 8.0.6.10. Fix notes can be found at https://developer.ibm.com/javasdk/support/fixes/sdk8/

APARs in IDR 11.4.0.3-5566 for MySQL source

  • JR62628 INDEX OUT OF BOUNDS EXCEPTION CAN OCCUR AT DBCONNECTIONMANAGER.RELEASEMETADATASESSION()

Bug fixes in IDR 11.4.0.3-5566 for MySQL source

  • JR62618 UPGRADE FOR COMMUNITY EDITION FAILS WITH "Connections to MySQL Community Server are not supported."
 

June 30, 2020

IDR 11.4.0.2-5563

APARs in IDR 11.4.0.2-5563 for MySQL source

  • JR62451 IDR REPLICATES SOURCE DERIVED COLUMN DATA TO INCORRECT TARGET COLUMN

Bug fixes in IDR 11.4.0.2-5563 for MySQL source

  • Fixed issue with incorrect fractional seconds precision value during jdbc call when source is community edition.
  • Fixed subscriptions failing with IllegalArgumentException when setting the current event length.

May 28, 2020

IDR 11.4.0.2-5560

Enhancements in IDR 11.4.0.2-5560 for MySQL source

  • Instance-specific command line utilities now trace their parameters and an execution return code.

Bug fixes in IDR 11.4.0.2-5560 for MySQL source

  • IDR will no longer log excessive tracing of NonTransientConnectionException by avoiding rolling back a transaction on a database connection that has auto-commit enabled.
  • dmconfigurets no longer creates two trace files when run in the command line mode.

April 23, 2020

IDR 11.4.0.2-5548

Bug fixes in IDR 11.4.0.2-5548 for MySQL source

  • IDR now allows mapping tables from databases other than the one cdc instance is configured with when using MySQL Community Edition.
  • IDR now allows using schema/database having special characters like (_ and %) in name.
  • IDR now fixed instance creation issue for MySQL 8.0 Community Edition.

April 7, 2020

IDR 11.4.0.2-5544

Enhancements in IDR 11.4.0.2-5544 for MySQL source

  • dmsupportinfo no longer collects duplicate information in the "dir.txt" support assistant file when an instance folder is inside the product installation directory.

APARs in IDR 11.4.0.2-5544 for MySQL source

  • JR62126 IMPROVED IDR COMMAND LINE UTILITIES PERFORMANCE BY OPTIMIZING ACCESS TO CDC SECRET STORE WHEN ENGINE-TO-ENGINE ENCRYPTION IS DISABLED, ENABLED OR REQUIRED.
  • JR62158 SCHEDULED END BY TIME SOMETIMES DOESN'T WORK WHEN DB IS 100% IDLE, SHARED SCRAPE IS USED AND SUBSCRIPTION FINDS NEW OPERATIONS IN STAGING STORE AT STARTUP.

Bug fixes in IDR 11.4.0.2-5544 for MySQL source

  • Addressed the error "row already exist in index TABLE_NAMES_IDENTITY_NAME_IDX" when accessing the metadata
  • Addressed intermittent "java.lang.AssertionError thread interruption is not supported" in TraceFormatter.
  • Instance commands no longer create trace files in "installation_directory/log".
 

February 20, 2020

IDR 11.4.0.2-5528

Enhancements in IDR 11.4.0.2-5528 for MySQL source

  • The JDBC driver has now been updated from version 5.1.4.000157 to 5.1.4.000223.
  • IDR for MySQL now supports MySQL version 8.0 as source.
  • IDR now closes some idle database connections and re-opens them as needed. The global_database_connection_idle_timeout_seconds system parameter controls how long to keep idle database connections open. Closing idle database connections before firewalls close them prevents subscriptions from stopping due to broken database connections.

APARs in IDR 11.4.0.2-5528 for MySQL source

  • JR61831 SUPPORT SELECT TABLES FROM ANOTHER DB OTHER THAN USING WHICH CDC INSTANCE IS CREATED.
  • JR61841 ERROR REFRESHING A TABLE WITH A LONG COLUMN COMMENT: "AN UNCAUGHT EXCEPTION HAS OCCURRED"

Bug fixes in IDR 11.4.0.2-5528 for MySQL source

  • Addressed LogFileNotFoundException at replication start up issued by the log reader after mysql database restart while log files to be replicated are still present on disk.
  • IDR automatically recovers an erroneous metadata state that could cause lead to "An error has occurred. Possible recovery steps: Please try again. If the error persists, if possible restart the IBM Data Replication instance and try again. Internal error information: Agent Message 'Message3036' Exception text 'null'"
  • Improved reliability when global_subscription_level_connection_keep_alive_seconds is set to a non-zero value.
  • IDR now uses a different method to manipulate metadata table TABLE_NAMES_IDENTITY that is expected to prevent metadata corruption involving this table. This corruption could lead to the inability to use a table mapping or even delete it.
  • Addressed intermittent EOFException and SocketException when running command line utilities under stress.
  • Addressed intermittent EOFException reported by Agent Reader thread when using command line utilities.

January 21, 2020

IDR 11.4.0.2-5522

Enhancements in IDR 11.4.0.2-5522 for MySQL source

  • IDR issues an improved error message when dmconfigurets is run with non-Administrator privileges in Windows Server 2016

APARs in IDR 11.4.0.2-5522 for MySQL source

  • JR61803 IIDR FAILS WITH ERROR TOO MANY OPEN FILE DESCRIPTOR WHEN MULTIPLE INSTANCES ARE RUNNING FROM SAME INSTALLATION BECAUSE OF FILE DESCRIPTOR LEAK.

December 19, 2019

IDR 11.4.0.2-5521

APARs in IDR 11.4.0.2-5521 for MySQL source

  • JR61490 IDR FOR MYSQL NOW SUPPORT STOP BINARY LOG EVENT.

November 27, 2019

IDR 11.4.0.2-5512

Enhancements in IDR 11.4.0.2-5512 for MySQL source

  • IIDR now supports always encrypting communication with TLS, without negotiation. This feature may be enabled by setting Engine-to-Engine Communication Encryption to Always in the encryption profile. When this feature is enabled, IIDR will not be able to communicate with source datastores, target datastores, or Access Servers that negotiate encryption through STARTTLS.
  • IDR no longer raises an error event if it cannot extract primary index information for a table from the database

APARs in IDR 11.4.0.2-5512 for MySQL source

  • JR61637 CDC STILL TAKES VALUES IN BYTES AFTER CHANGING SYSTEM PARAMETER USEREXIT_MAX_LOB_SIZE_KB UNLESS THE INSTANCE IS RESTARTED

Bug fixes in IDR 11.4.0.2-5512 for MySQL source

  • Trace can now be collected reliably using support assistant in concurrent invocations.
  • Addressed differential refresh failing when order of columns in primary key differs from order returned by JDBC

October 31, 2019

IDR 11.4.0.2-5507

Enhancements in IDR 11.4.0.2-5507 for MySQL source

  • dmsupportinfo command line utility collects replication product traces using an optimized algorithm to speed up data collection

APARs in IDR 11.4.0.2-5507 for MySQL source

  • JR61575 TO FILTER OUT THE INDEX FILE IF IT'S HAVING THE SAME PATTERN AS MYSQL BINARY LOGS TO AVOID THE NUMBER FORMAT EXCEPTION.

September 27, 2019

IDR 11.4.0.2-5506

Enhancements in IDR 11.4.0.2-5506 for MySQL source

  • IDR CDC product binaries are signed with a new signing service and with an updated certificate with expiry date "Wed Jun 30 08:00:00 2021"
  • IIDR now supports dmcreateencryptionprofile for creating encryption profiles.

September 10, 2019

IDR 11.4.0.2-5503

Enhancements in IDR 11.4.0.2-5503 for MySQL source

  • IDR for MySQL now supports MySQL community edition as source.
  • Prior product libraries found in /lib are deleted when upgrading product binaries before new libraries are dropped on disk. All jar files with names similar to those installed with the product will be deleted.
  • IIDR now supports the option of requiring TLS encryption for all connections from Access Server and other datastores.

APARs in IDR 11.4.0.2-5503 for MySQL source

  • JR61380 "ARITHMETICEXCEPTION DIVIDE BY 0" IS THROWN WHEN ONLY DERIVED COLUMN ARE SET FOR REPLICATION

[{"Type":"MASTER","Line of Business":{"code":"LOB76","label":"Data Platform"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSTRGZ","label":"InfoSphere Data Replication"},"Version":"All Versions"}]

Document Information

Modified date:
22 December 2025

UID

ibm16217950

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