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https://issues.apache.org/jira/browse/SAMZA-1371?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16161558#comment-16161558
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Hao Song commented on SAMZA-1371:
---------------------------------
Can I get an update, [~nickpan47]?
> Some Samza Containers get stuck at "Starting BrokerProxy for
> hostname:portnum" while others seem to be fine
> -----------------------------------------------------------------------------------------------------------
>
> Key: SAMZA-1371
> URL: https://issues.apache.org/jira/browse/SAMZA-1371
> Project: Samza
> Issue Type: Bug
> Components: container
> Affects Versions: 0.11.0, 0.12.0
> Environment: Samza version: 0.11, 0.12
> Kafka version: 0.11.0.0
> Reporter: Ak Ka
> Assignee: Yi Pan (Data Infrastructure)
> Priority: Blocker
> Attachments: thread_dump.txt
>
>
> We have multiple Samza apps using local store that have this issue. Some
> containers get stuck on "Starting BrokerProxy for hostname:portnum" while
> others seem to work as expected.
> Here is the log:
> stuck:
> ```
> [...]
> 2017-07-25 17:11:26.546 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Creating new SimpleConsumer for host hostname:portnum for system kafka
> 2017-07-25 17:11:26.547 [main] org.apache.samza.system.kafka.GetOffset [INFO]
> Validating offset 0 for topic and partition
> [prod.localStateChangeLog.prod.AlertsOrganizerInstant_matcherValidation,2]
> 2017-07-25 17:11:26.648 [main] org.apache.samza.system.kafka.GetOffset [INFO]
> Able to successfully read from offset 0 for topic and partition
> [prod.localStateChangeLog.prod.AlertsOrganizerInstant_matcherValidation,2].
> Using it to instantiate consumer.
> 2017-07-25 17:11:26.649 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Starting BrokerProxy for hostname:portnum
> // it's dead, Jim
> ```
> healthy:
> ```
> [...]
> 2017-07-25 17:11:26.920 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Creating new SimpleConsumer for host hostname:portnum for system kafka
> 2017-07-25 17:11:26.921 [main] org.apache.samza.system.kafka.GetOffset [INFO]
> Validating offset 0 for topic and partition
> [prod.localStateChangeLog.prod.AlertsOrganizerInstant_matcherValidation,1]
> 2017-07-25 17:11:27.023 [main] org.apache.samza.system.kafka.GetOffset [INFO]
> Able to successfully read from offset 0 for topic and partition
> [prod.localStateChangeLog.prod.AlertsOrganizerInstant_matcherValidation,1].
> Using it to instantiate consumer.
> 2017-07-25 17:11:27.023 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Starting BrokerProxy for hostname:portnum
> 2017-07-25 17:11:29.194 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Shutting down BrokerProxy for hostname:portnum
> 2017-07-25 17:11:29.194 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] closing simple consumer...
> 2017-07-25 17:11:29.239 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.DefaultFetchSimpleConsumer [INFO] Reconnect due
> to socket error: java.nio.channels.ClosedChannelException
> 2017-07-25 17:11:29.244 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.BrokerProxy [WARN] Restarting consumer due to
> java.nio.channels.ClosedChannelException. Releasing ownership of all
> partitions, and restarting consumer. Turn on debugging to get a full stack
> trace.
> 2017-07-25 17:11:29.247 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.KafkaSystemConsumer [INFO] Abdicating for
> [prod.localStateChangeLog.prod.AlertsOrganizerInstant_alertSetting,1]
> 2017-07-25 17:11:29.247 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.KafkaSystemConsumer [INFO] Refreshing brokers
> for:
> Map([prod.localStateChangeLog.prod.AlertsOrganizerInstant_alertSetting,1] ->
> 13572)
> 2017-07-25 17:11:29.247 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.BrokerProxy [INFO] Shutting down due to
> interrupt.
> 2017-07-25 17:11:29.247 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Shutting down BrokerProxy for hostname:portnum
> 2017-07-25 17:11:29.248 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] closing simple consumer...
> 2017-07-25 17:11:29.265 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.BrokerProxy [INFO] Shutting down due to
> interrupt.
> 2017-07-25 17:11:29.265 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Shutting down BrokerProxy for hostname:portnum
> 2017-07-25 17:11:29.265 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] closing simple consumer...
> 2017-07-25 17:11:29.523 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.BrokerProxy [INFO] Shutting down due to
> interrupt.
> 2017-07-25 17:11:29.524 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Shutting down BrokerProxy for hostname:portnum
> 2017-07-25 17:11:29.524 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] closing simple consumer...
> 2017-07-25 17:11:29.601 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.BrokerProxy [INFO] Shutting down due to
> interrupt.
> 2017-07-25 17:11:29.602 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] Shutting down BrokerProxy for hostname:portnum
> 2017-07-25 17:11:29.602 [main] org.apache.samza.system.kafka.BrokerProxy
> [INFO] closing simple consumer...
> 2017-07-25 17:11:29.663 [SAMZA-BROKER-PROXY-BrokerProxy thread pointed at
> hostname:portnum for client samza_consumer-prod_AlertsOrganizerInstant-1]
> org.apache.samza.system.kafka.BrokerProxy [INFO] Shutting down due to
> interrupt.
> 2017-07-25 17:11:29.668 [main] org.apache.samza.container.SamzaContainer
> [INFO] Starting host statistics monitor
> 2017-07-25 17:11:29.670 [main] org.apache.samza.container.SamzaContainer
> [INFO] Registering task instances with producers.
> 2017-07-25 17:11:29.674 [main] org.apache.samza.container.SamzaContainer
> [INFO] Starting producer multiplexer.
> 2017-07-25 17:11:29.675 [main] org.apache.samza.container.SamzaContainer
> [INFO] Initializing stream tasks.
> 2017-07-25 17:11:29.676 [main]
> com.company.samza.app.companyStreamingAppWrapper [INFO] Initializing instance
> of streaming application
> 2017-07-25 17:11:29.681 [main]
> com.company.samza.app.companyStreamingAppWrapper [INFO] First initialization.
> Setting up Guice container with configuration
> companyStreamingAppWrapperConfiguration{company.app.name=AlertsOrganizerInstant,
> company.appgroup=aws, company.env=prod,
> company.guice.module=com.company.notifications.Alerts.organizer..AlertsOrganizerModule}
> 2017-07-25 17:11:30.118 [main] com.company.config.guice.configModule [INFO]
> configModule loaded requested override file
> '/storage/data/secure/config/AnalyticsServiceClient.cfg'
> 2017-07-25 17:11:30.480 [main]
> com.company.samza.dataService.SamzaSessionFactoriesModule [INFO] Loading prod
> dbConfig from /data/config/prod.database.properties
> // Hibernate stuff (i.e. our code is hit)
> ```
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