[ https://issues.apache.org/jira/browse/KAFKA-14980?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chris Egerton reassigned KAFKA-14980: ------------------------------------- Assignee: Chris Egerton > MirrorMaker consumers don't get configs prefixed with source.cluster > -------------------------------------------------------------------- > > Key: KAFKA-14980 > URL: https://issues.apache.org/jira/browse/KAFKA-14980 > Project: Kafka > Issue Type: Bug > Components: mirrormaker > Affects Versions: 3.5.0 > Reporter: Mickael Maison > Assignee: Chris Egerton > Priority: Blocker > Fix For: 3.5.0 > > > As part of KAFKA-14021, we made a change to > MirrorConnectorConfig.sourceConsumerConfig() to grab all configs that start > with "source.". Previously it was grabbing configs prefixed with > "source.cluster.". > This means existing connector configuration stop working, as configurations > such as bootstrap.servers are not passed to source consumers. > For example, the following connector configuration was valid in 3.4 and now > makes the connector tasks fail: > {code:json} > { > "connector.class": > "org.apache.kafka.connect.mirror.MirrorSourceConnector", > "name": "source", > "topics": "test", > "tasks.max": "30", > "source.cluster.alias": "one", > "target.cluster.alias": "two", > "source.cluster.bootstrap.servers": "localhost:9092", > "target.cluster.bootstrap.servers": "localhost:29092" > } > {code} > The connector attempts to start source consumers with bootstrap.servers = [] > and the task crash with > {noformat} > org.apache.kafka.common.KafkaException: Failed to construct kafka consumer > at > org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:837) > at > org.apache.kafka.clients.consumer.KafkaConsumer.<init>(KafkaConsumer.java:671) > at > org.apache.kafka.connect.mirror.MirrorUtils.newConsumer(MirrorUtils.java:59) > at > org.apache.kafka.connect.mirror.MirrorSourceTask.start(MirrorSourceTask.java:103) > at > org.apache.kafka.connect.runtime.AbstractWorkerSourceTask.initializeAndStart(AbstractWorkerSourceTask.java:274) > at > org.apache.kafka.connect.runtime.WorkerTask.doRun(WorkerTask.java:202) > at org.apache.kafka.connect.runtime.WorkerTask.run(WorkerTask.java:259) > at > org.apache.kafka.connect.runtime.AbstractWorkerSourceTask.run(AbstractWorkerSourceTask.java:75) > at > org.apache.kafka.connect.runtime.isolation.Plugins.lambda$withClassLoader$1(Plugins.java:181) > at > java.base/java.util.concurrent.Executors$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:829) > Caused by: org.apache.kafka.common.config.ConfigException: No resolvable > bootstrap urls given in bootstrap.servers > {noformat} -- This message was sent by Atlassian Jira (v8.20.10#820010)