Greg Harris created KAFKA-15473:
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Summary: Connect connector-plugins endpoint shows duplicate plugins
Key: KAFKA-15473
URL: https://issues.apache.org/jira/browse/KAFKA-15473
Project: Kafka
Issue Type: Bug
Components: KafkaConnect
Affects Versions: 3.6.0
Reporter: Greg Harris
Assignee: Greg Harris
Fix For: 3.6.0
In <3.6.0-rc0, only one copy of each plugin would be shown. For example:
{noformat}
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter"
},{noformat}
In 3.6.0-rc0, there are multiple listings for the same plugin. For example:
{noformat}
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter"
},
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter"
},
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter"
},
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter"
},
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter"
},
{
"class": "org.apache.kafka.connect.storage.StringConverter",
"type": "converter",
"version": "3.6.0"
},{noformat}
These duplicates appear to happen when a plugin with the same class name
appears in multiple locations/classloaders.
When interpreting a connector configuration, only one of these plugins will be
chosen, so only one is relevant to show to users. The REST API should only
display the plugins which are eligible to be loaded, and hide the duplicates.
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