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https://issues.apache.org/jira/browse/KAFKA-16068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Greg Harris updated KAFKA-16068:
--------------------------------
Description:
The ConnectorValidationIntegrationTest creates test plugins, some with
erroneous behavior. In particular:
{noformat}
[2023-12-29 10:28:06,548] ERROR Failed to discover Converter in classpath:
Unable to instantiate TestConverterWithPrivateConstructor: Plugin class default
constructor must be public
(org.apache.kafka.connect.runtime.isolation.ReflectionScanner:138) [2023-12-29
10:28:06,550]
ERROR Failed to discover Converter in classpath: Unable to instantiate
TestConverterWithConstructorThatThrowsException: Failed to invoke plugin
constructor (org.apache.kafka.connect.runtime.isolation.ReflectionScanner:138)
java.lang.reflect.InvocationTargetException{noformat}
These plugins should be eliminated from the classpath, so that the errors do
not appear in unrelated tests. Instead, plugins with erroneous behavior should
only be present in the TestPlugins, so that tests can opt-in to loading them.
There are already plugins with private constructors and
throwing-exceptions-constructors, so they should be able to be re-used.
was:
The ConnectorValidationIntegrationTest creates test plugins, some with
erroneous behavior. In particular:
{noformat}
[2023-12-29 10:28:06,548] ERROR Failed to discover Converter in classpath:
Unable to instantiate TestConverterWithPrivateConstructor: Plugin class default
constructor must be public
(org.apache.kafka.connect.runtime.isolation.ReflectionScanner:138) [2023-12-29
10:28:06,550] ERROR Failed to discover Converter in classpath: Unable to
instantiate TestConverterWithConstructorThatThrowsException: Failed to invoke
plugin constructor
(org.apache.kafka.connect.runtime.isolation.ReflectionScanner:138)
java.lang.reflect.InvocationTargetException{noformat}
These plugins should be eliminated from the classpath, so that the errors do
not appear in unrelated tests. Instead, plugins with erroneous behavior should
only be present in the TestPlugins, so that tests can opt-in to loading them.
There are already plugins with private constructors and
throwing-exceptions-constructors, so they should be able to be re-used.
> Use TestPlugins in ConnectorValidationIntegrationTest to silence plugin
> scanning errors
> ---------------------------------------------------------------------------------------
>
> Key: KAFKA-16068
> URL: https://issues.apache.org/jira/browse/KAFKA-16068
> Project: Kafka
> Issue Type: Task
> Components: KafkaConnect
> Reporter: Greg Harris
> Priority: Minor
>
> The ConnectorValidationIntegrationTest creates test plugins, some with
> erroneous behavior. In particular:
>
> {noformat}
> [2023-12-29 10:28:06,548] ERROR Failed to discover Converter in classpath:
> Unable to instantiate TestConverterWithPrivateConstructor: Plugin class
> default constructor must be public
> (org.apache.kafka.connect.runtime.isolation.ReflectionScanner:138)
> [2023-12-29 10:28:06,550]
> ERROR Failed to discover Converter in classpath: Unable to instantiate
> TestConverterWithConstructorThatThrowsException: Failed to invoke plugin
> constructor (org.apache.kafka.connect.runtime.isolation.ReflectionScanner:138)
> java.lang.reflect.InvocationTargetException{noformat}
> These plugins should be eliminated from the classpath, so that the errors do
> not appear in unrelated tests. Instead, plugins with erroneous behavior
> should only be present in the TestPlugins, so that tests can opt-in to
> loading them.
> There are already plugins with private constructors and
> throwing-exceptions-constructors, so they should be able to be re-used.
>
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