3202284
Description
Quiz by rahul.joshi, updated more than 1 year ago
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Created by rahul.joshi
over 8 years ago
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Question 1
Question
The EIP subproject in the template-jersey app should only ever contain outbound flow configurations and not inbound flow configurations
Answer
- True
- False
Question 2
Question
What is the most appropriate definition of a ProchainProcessor in terms of our new way of doing things
Answer
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A prochain processor is a deployable component that can service multiple activemq queues and each queue can have multiple consumers to process the message
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A prochain processor is a deployable component that can service multiple activemq queues and each queue only has one consumer to process the message
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A prochain processor is a deployable component that services only one activemq queue and that queue will have only one consumer to process the message
Question 3
Question
A prochain processor can place a message directly on an activemq queue which is serviced by a prochain processor associated with another intapi
Answer
- True
- False
Question 4
Question
What is the most appropriate way of adding a consumer on an activemq queue in production
Answer
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Change the prochain processor configuration to have one more consumer on the queue in question
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Bring up another instance of the same prochain processor in production on its on aws instance
Question 5
Question
What is the purpose of the camel config file in the eip subproject
Answer
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its only something that is used for testing and starting a broker
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it is used to configure a camel route between queues if we want to
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It is a way to know which queues are configured for exponential retry of message redelivery using the AMQ_SCHEDULED_DELAY header in the message headers.
Question 6
Question
The @EipRetry annotation should only be used on a method that has a @ServiceActivator annotation
Answer
- True
- False
Question 7
Question
Each service activator can have its own exponential retry configuration
Answer
- True
- False
Question 8
Question
If you do not use an EIPRetry annotation on a service activator and dont have any other error handling configuration setup in the flow then what does spring integration do with exceptions?
Answer
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Spring integration just throws these exceptions away
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A MessageHandlingException message is sent to a global jms channel called errorChannel.
Question 9
Question
What is the most appropriate EIPRetry annotation?
Answer
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@EipRetry( redeliveryChannel =TEMPLATE_CREATION_GATEWAY_CHANNEL_NAME, retryConfig = 'taulia.PROJECTNAME.prochains.templateCreation' )
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@EipRetry( errorChannel = ERROR_CHANNEL_NAME, redeliveryChannel = TEMPLATE_CREATION_GATEWAY_CHANNEL_NAME, retryConfig = 'taulia.PROJECTNAME.prochains.templateCreation' )
Question 10
Question
What does the templateMessagePublishingErrorHandler in the template-jersey-app demonstrate?
Answer
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Demonstrates that you can send exceptions to an error channel without using the @EipRetry annotation on the service activator
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Demonstrates absolutely nothing
Question 11
Question
What does the templateNotificationErrorChannel integrationFlow in the TemplateNotificationFlowConfiguration demonstrate?
Answer
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In order to send the messages from the errorChannel to an activemq queue so that application support can look at them we need to define a outbound flow between the jms error channel and a queue name
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It demonstrates that we cannot process error messages once they have gone to the error channel.
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