debezium/dbz

Debezium can break when two column names differs only in letter case

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#4 建立於 2025年11月14日

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component/core-librarycomponent/postgresql-connectorgood first issuetype/bug

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描述

I'm getting the exception below for two tables (out of 231 tables). In looking at the resolveColumnsFromStreamTupleData method, it seems that the short numberOfColumns = buffer.getShort(); is longer than the table.columns() which causes this exception and the connector shuts down. I was able get past the problem by adding the two offending tables to the table blacklist. This is all in development and no schema changes are being made to the tables after starting the connector.

The connector is being created by the Strimzi Kafka operator. Also note I'm using an apicurio schema registry and the avro converters.

{code} ERROR Producer failure (io.debezium.pipeline.ErrorHandler) [debezium-postgresconnector-encdb-change-event-source-coordinator] java.lang.IndexOutOfBoundsException: Index 299 out of bounds for length 299 at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) at java.base/java.util.Objects.checkIndex(Objects.java:372) at java.base/java.util.ArrayList.get(ArrayList.java:459) at java.base/java.util.Collections$UnmodifiableList.get(Collections.java:1310) at java.base/java.util.Collections$UnmodifiableList.get(Collections.java:1310) at io.debezium.connector.postgresql.connection.pgoutput.PgOutputMessageDecoder.resolveColumnsFromStreamTupleData(PgOutputMessageDecoder.java:561) at io.debezium.connector.postgresql.connection.pgoutput.PgOutputMessageDecoder.decodeInsert(PgOutputMessageDecoder.java:379) at io.debezium.connector.postgresql.connection.pgoutput.PgOutputMessageDecoder.processNotEmptyMessage(PgOutputMessageDecoder.java:191) at io.debezium.connector.postgresql.connection.AbstractMessageDecoder.processMessage(AbstractMessageDecoder.java:42) at io.debezium.connector.postgresql.connection.PostgresReplicationConnection$1.deserializeMessages(PostgresReplicationConnection.java:480) at io.debezium.connector.postgresql.connection.PostgresReplicationConnection$1.readPending(PostgresReplicationConnection.java:472) at io.debezium.connector.postgresql.PostgresStreamingChangeEventSource.searchWalPosition(PostgresStreamingChangeEventSource.java:271) at io.debezium.connector.postgresql.PostgresStreamingChangeEventSource.execute(PostgresStreamingChangeEventSource.java:131) at io.debezium.pipeline.ChangeEventSourceCoordinator.streamEvents(ChangeEventSourceCoordinator.java:140) at io.debezium.pipeline.ChangeEventSourceCoordinator.lambda$start$0(ChangeEventSourceCoordinator.java:113) at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) at java.base/java.lang.Thread.run(Thread.java:834) {code}

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