Type: Bug
Resolution: Done
Priority: Blocker
Fix Version/s: 2.4.1.Final, 2.5.0.Beta1
Affects Version/s: 2.4.0.Final
Component/s: mysql-connector
Labels:
- Mysql-connector

Blocked:
False
Blocked Reason:
None
Ready:
False

SFDC Cases Counter:
SFDC Cases Links:

Debezium crashes while parsing this statement:

-- If N-"select" into round brackets and next "select" without them - Parser crashed.

-- 1 case

CREATE PROCEDURE test_union()
BEGIN 
( 
SELECT
id
FROM test_auto_inc
)
UNION ALL
SELECT
id
FROM test_auto_inc
;
END

-- 2 case

CREATE PROCEDURE test_union()
BEGIN				   
   (		
    SELECT
      id
    FROM test_auto_inc
   )
    UNION ALL
    SELECT
      id
    FROM test_auto_inc
    UNION ALL
     SELECT
      id
     FROM test_auto_inc
     ORDER BY id
    ;
END


-- 3 case

CREATE PROCEDURE test_union()
BEGIN 
( 
SELECT
id
FROM test_auto_inc
)
UNION ALL
(
SELECT
id
FROM test_auto_inc
)
UNION ALL
SELECT
id
FROM test_auto_inc
ORDER BY id
;
END

-- table example
CREATE TABLE `test_auto_inc` 
(  `id` int(10) unsigned NOT NULL AUTO_INCREMENT,
 PRIMARY KEY (`id`))

Bug report

For bug reports, provide this information, please:

What Debezium connector do you use and what version?

2.4.0.Final

What is the captured database version and mode of depoyment?

(Percona (Mysql 5.7.41)

Do you have the connector logs, ideally from start till finish?

[2023-11-14 10:10:33,167] ERROR [bukmaker-connector-sandbox-136|task-0] Error during binlog processing. Last offset stored = {transaction_id=null, ts_sec=1699956629, file=mysql-bin.001374, pos=90749207, gtids=2a9728ee-de91-11ed-96f3-6a32bf6e31c4:1-733361, server_id=1, event=1}, binlog reader near position = mysql-bin.001374/90749207 (io.debezium.connector.mysql.MySqlStreamingChangeEventSource:1161)

[2023-11-14 10:10:33,167] ERROR [bukmaker-connector-sandbox-136|task-0] Producer failure (io.debezium.pipeline.ErrorHandler:52)

io.debezium.DebeziumException: Error processing binlog event

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleEvent(MySqlStreamingChangeEventSource.java:395)

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.lambda$execute$27(MySqlStreamingChangeEventSource.java:930)

at com.github.shyiko.mysql.binlog.BinaryLogClient.notifyEventListeners(BinaryLogClient.java:1246)

at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:1072)

at com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:631)

at com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:932)

at java.base/java.lang.Thread.run(Thread.java:829)

Caused by: io.debezium.text.ParsingException: DDL statement couldn't be parsed. Please open a Jira issue with the statement 'CREATE DEFINER=`peuser`@`%` PROCEDURE `test_union`()

BEGIN

(

SELECT

id

FROM test_auto_inc

)

UNION ALL

– (

SELECT

id

FROM test_auto_inc

– ORDER BY id

-- )

UNION ALL

(

SELECT

id

FROM test_auto_inc

ORDER BY id

)

;

END'

no viable alternative at input 'CREATE DEFINER=`peuser`@`%` PROCEDURE `test_union`()\nBEGIN\t\t\t\n\t (\n\t\tSELECT\n\t\t\tid\n\t\tFROM test_auto_inc\n\t )\n\t\t\tUNION ALL\n\t--\t (\t\t\n\t\tSELECT'

at io.debezium.antlr.ParsingErrorListener.syntaxError(ParsingErrorListener.java:43)

at org.antlr.v4.runtime.ProxyErrorListener.syntaxError(ProxyErrorListener.java:41)

at org.antlr.v4.runtime.Parser.notifyErrorListeners(Parser.java:543)

at org.antlr.v4.runtime.DefaultErrorStrategy.reportNoViableAlternative(DefaultErrorStrategy.java:310)

at org.antlr.v4.runtime.DefaultErrorStrategy.reportError(DefaultErrorStrategy.java:136)

at io.debezium.ddl.parser.mysql.generated.MySqlParser.sqlStatements(MySqlParser.java:1272)

at io.debezium.ddl.parser.mysql.generated.MySqlParser.root(MySqlParser.java:988)

at io.debezium.connector.mysql.antlr.MySqlAntlrDdlParser.parseTree(MySqlAntlrDdlParser.java:74)

at io.debezium.connector.mysql.antlr.MySqlAntlrDdlParser.parseTree(MySqlAntlrDdlParser.java:46)

at io.debezium.antlr.AntlrDdlParser.parse(AntlrDdlParser.java:78)

at io.debezium.connector.mysql.MySqlDatabaseSchema.parseDdl(MySqlDatabaseSchema.java:213)

at io.debezium.connector.mysql.MySqlDatabaseSchema.parseStreamingDdl(MySqlDatabaseSchema.java:199)

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleQueryEvent(MySqlStreamingChangeEventSource.java:593)

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.lambda$execute$15(MySqlStreamingChangeEventSource.java:901)

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleEvent(MySqlStreamingChangeEventSource.java:375)

... 6 more

Caused by: org.antlr.v4.runtime.NoViableAltException

at org.antlr.v4.runtime.atn.ParserATNSimulator.noViableAlt(ParserATNSimulator.java:2028)

at org.antlr.v4.runtime.atn.ParserATNSimulator.execATN(ParserATNSimulator.java:467)

at org.antlr.v4.runtime.atn.ParserATNSimulator.adaptivePredict(ParserATNSimulator.java:393)

at io.debezium.ddl.parser.mysql.generated.MySqlParser.sqlStatements(MySqlParser.java:1064)

... 15 more

[2023-11-14 10:10:33,170] INFO [bukmaker-connector-sandbox-136|task-0] Error processing binlog event, and propagating to Kafka Connect so it stops this connector. Future binlog events read before connector is shutdown will be ignored. (io.debezium.connector.mysql.MySqlStreamingChangeEventSource:400)

[2023-11-14 10:10:33,350] ERROR [bukmaker-connector-sandbox-136|task-0] WorkerSourceTask{id=bukmaker-connector-sandbox-136-0} Task threw an uncaught and unrecoverable exception. Task is being killed and will not recover until manually restarted (org.apache.kafka.connect.runtime.WorkerTask:210)

org.apache.kafka.connect.errors.ConnectException: An exception occurred in the change event producer. This connector will be stopped.

at io.debezium.pipeline.ErrorHandler.setProducerThrowable(ErrorHandler.java:67)

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.handleEvent(MySqlStreamingChangeEventSource.java:395)

at io.debezium.connector.mysql.MySqlStreamingChangeEventSource.lambda$execute$27(MySqlStreamingChangeEventSource.java:930)

at com.github.shyiko.mysql.binlog.BinaryLogClient.notifyEventListeners(BinaryLogClient.java:1246)

at com.github.shyiko.mysql.binlog.BinaryLogClient.listenForEventPackets(BinaryLogClient.java:1072)

at com.github.shyiko.mysql.binlog.BinaryLogClient.connect(BinaryLogClient.java:631)

at com.github.shyiko.mysql.binlog.BinaryLogClient$7.run(BinaryLogClient.java:932)

at java.base/java.lang.Thread.run(Thread.java:829)

Caused by: io.debezium.DebeziumException: Error processing binlog event

... 7 more