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https://issues.apache.org/jira/browse/FLINK-33111?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17767104#comment-17767104
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Martijn Visser commented on FLINK-33111:
----------------------------------------
[~Tison] WDYT?
> Flink Pulsar Connector to Pulsar Client Version Mismatch
> --------------------------------------------------------
>
> Key: FLINK-33111
> URL: https://issues.apache.org/jira/browse/FLINK-33111
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Pulsar
> Affects Versions: 1.17.1
> Reporter: Jason Kania
> Priority: Major
>
> In the documentation for the Flink Pulsar Connector,
> ([https://nightlies.apache.org/flink/flink-docs-release-1.17/docs/connectors/datastream/pulsar/])
> it indicates that 2.10.0 and above versions of the pulsar client are
> supported "You can use the connector with the Pulsar 2.10.0 or higher" and
> the pom file entry references the 4.0.0-1.17 version of the connector which
> points to the 2.11.0 version of the Pulsar client. However, when using Pulsar
> Client 2.10.4 or 2.10.5, the following error is generated:
>
> java.lang.NoSuchMethodError: 'org.apache.pulsar.client.api.ClientBuilder
> org.apache.pulsar.client.api.ClientBuilder.connectionMaxIdleSeconds(int)'
> at
> org.apache.flink.connector.pulsar.common.config.PulsarClientFactory.createClient(PulsarClientFactory.java:127)
> at
> org.apache.flink.connector.pulsar.source.reader.PulsarSourceReader.create(PulsarSourceReader.java:266)
> at
> org.apache.flink.connector.pulsar.source.PulsarSource.createReader(PulsarSource.java:137)
> at
> org.apache.flink.streaming.api.operators.SourceOperator.initReader(SourceOperator.java:312)
> at
> org.apache.flink.streaming.runtime.tasks.SourceOperatorStreamTask.init(SourceOperatorStreamTask.java:93)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.restoreInternal(StreamTask.java:699)
> at
> org.apache.flink.streaming.runtime.tasks.StreamTask.restore(StreamTask.java:675)
> at
> org.apache.flink.runtime.taskmanager.Task.runWithSystemExitMonitoring(Task.java:952)
> at
> org.apache.flink.runtime.taskmanager.Task.restoreAndInvoke(Task.java:921)
> at org.apache.flink.runtime.taskmanager.Task.doRun(Task.java:745)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:562)
> at java.base/java.lang.Thread.run(Thread.java:829)
>
> The referenced method 'connectionMaxIdleSeconds' is only available in the
> Pulsar 2.11 client when looking at the source code. I am not sure whether the
> documentation is wrong and the Flink Pulsar Connector 2.11 is the intended
> Pulsar version. However, my understanding is that Pulsar 2.11 is targeted
> toward java 17. This would create the need for mixed Java 11 and Java 17
> deployment unless the Pulsar client code is compiled for 2.11.
>
> Documentation cleanup and a reference to the appropriate Java versions is
> needed. A fix to the 1.17.1 Flink pulsar connector may alternatively be
> required.
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