[jira] [Commented] (KAFKA-8418) Connect System tests are not waiting for REST resources to be registered

["ASF GitHub Bot (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/KAFKA-8418?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16851439#comment-16851439 ] 

ASF GitHub Bot commented on KAFKA-8418:
---------------------------------------

avocader commented on pull request #6840: KAFKA-8418: Wait until REST resources are loaded when starting a Connect Worker.
URL: https://github.com/apache/kafka/pull/6840
 
 
   Currently, we are waiting on Worker's port to start listening, but it might take some time until all REST resources are actually loaded - so this PR changes the behavior and waits until REST resources are ready.
   
   ### Committer Checklist (excluded from commit message)
   - [ ] Verify design and implementation 
   - [ ] Verify test coverage and CI build status
   - [ ] Verify documentation (including upgrade notes)
   
 
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> Connect System tests are not waiting for REST resources to be registered
> ------------------------------------------------------------------------
>
>                 Key: KAFKA-8418
>                 URL: https://issues.apache.org/jira/browse/KAFKA-8418
>             Project: Kafka
>          Issue Type: Bug
>          Components: KafkaConnect
>    Affects Versions: 2.2.0
>            Reporter: Oleksandr Diachenko
>            Assignee: Oleksandr Diachenko
>            Priority: Critical
>             Fix For: 2.3.0
>
>
> I am getting an error while running Kafka tests:
> {code}
> Traceback (most recent call last): File "/home/jenkins/workspace/system-test-kafka_5.3.x/kafka/venv/local/lib/python2.7/site-packages/ducktape-0.7.5-py2.7.egg/ducktape/tests/runner_client.py", line 132, in run data = self.run_test() File "/home/jenkins/workspace/system-test-kafka_5.3.x/kafka/venv/local/lib/python2.7/site-packages/ducktape-0.7.5-py2.7.egg/ducktape/tests/runner_client.py", line 189, in run_test return self.test_context.function(self.test) File "/home/jenkins/workspace/system-test-kafka_5.3.x/kafka/tests/kafkatest/tests/connect/connect_rest_test.py", line 89, in test_rest_api assert set([connector_plugin['class'] for connector_plugin in self.cc.list_connector_plugins()]) == \{self.FILE_SOURCE_CONNECTOR, self.FILE_SINK_CONNECTOR} File "/home/jenkins/workspace/system-test-kafka_5.3.x/kafka/tests/kafkatest/services/connect.py", line 218, in list_connector_plugins return self._rest('/connector-plugins/', node=node) File "/home/jenkins/workspace/system-test-kafka_5.3.x/kafka/tests/kafkatest/services/connect.py", line 234, in _rest raise ConnectRestError(resp.status_code, resp.text, resp.url) ConnectRestError
> {code}
> From the logs, I see two messages:
> {code}
> [2019-05-23 16:09:59,373] INFO REST server listening at http://172.31.39.205:8083/, advertising URL http://worker1:8083/ (org.apache.kafka.connect.runtime.rest.RestServer)
> {code}
> and {code}
> [2019-05-23 16:10:00,738] INFO REST resources initialized; server is started and ready to handle requests (org.apache.kafka.connect.runtime.rest.RestServer)
> {code}
>  it takes 1365 ms to actually load REST resources, but the test is waiting on a port to be listening. 



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