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Questions tagged [message-hub]

Based on Apache Kafka, IBM® Message Hub for Bluemix™ is a scalable, distributed, high throughput message bus to unite your on-premise and off-premise cloud technologies.

Based on Apache Kafka, IBM® Message Hub for Bluemix™ is a scalable, distributed, high throughput message bus to unite your on-premise and off-premise cloud technologies. You can wire microservices together by using open protocols, and you can connect stream data to analytics to realize powerful insights. Check the documentation for more information

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Kafka consumer init throws exception: Could not find a 'KafkaClient' entry

I have java class implementing Runnable and instantiating kafka consumer in bluemix. This class is throwing below exception when trying to instantiate KafkaConsumer. The jaas.conf file is stored in a shared directory. This was working fine for the…
Madhu
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Grafana not working for Message Hub on Bluemix

I'm trying to monitor messages on Bluemix Messsage Hub using Grafana but both graphs 'Bytes In' and 'Bytes out' do not show anything and says 'no datapoint'. The only graph that I'm able to view is 'randomWalk'.... Is there a way to see the number…
Francesca G.
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KafkaException error when using MessageHub Service

Using the Message Hub service recently, I have discovered that previously working apps have begun failing with a KafkaException or Failed to update metadata. How do I fix this?
Katherine R. Farmer
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Can I call the Bluemix message hub service from Python?

The kafka-python client supports Kafka 0.9 but doesn't obviously include the new authentication and encryption features so my guess is that it only works with open servers (as in previous releases). In any case, even the Java client needs a special…
Rob Duncan
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Kafka Producer 0.9 performance issue with small messages

We are observing very poor performance with a Java Kafka Producer 0.9 client when sending small messages. The messages are not being accumulated into a larger request batch and thus each small record is being sent separately. What is wrong with our…
Gary Gershon
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BlueMix : How to deploy services on PaaS

I would like to run the following services on a Bluemix cloud Apache Kafka Apache Storm Elasticsearch a few questions Is this even possible? For example, what does it mean to run Kafka on cloud? Will the data be stored on the cloud as well? Will…
AbtPst
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Message Hub Partition Count - IBM Cloud dedicated

We would like to keep track of Message Hub partitions for each org and space in IBM Cloud dedicated. Please provide CF CLI commands to run from our side to get the list on a daily basis or any API we can use to pull the requested information.
prudvi kovvuri
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Error on creating Message Hub service

I got the following error while creating IBM Message Hub service. Could you please help to check what causes this error? Service broker error: {"description"=>"Error getting account info with org guid = b3213773-a799-43bd-9e7e-41c9636f40f9, error =…
Zhe Sun
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Kafka Consumer Not Receiving Messages When Subscribed to 3+ Topics

I'm using node-rdkafka (https://github.com/Blizzard/node-rdkafka) to consume and produce messages from an IBM Bluemix Message Hub. I'm able to consume and produce messages without issue, as long as I only subscribe to a max of 2 topics per node…
alreit
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Unrecoverable error with kafka input plugin connecting to IBM Message Hub

I'm trying to use IBM Message Hub from logstash. My logstash.conf: input { kafka { bootstrap_servers => …
Chris Snow
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Failed while executing StreamTask 0_1 due to flush state:

I'm trying to run a basic pipe from one topic to another using Kafka Streams 0.10.2.1 KStream stream = builder .stream("transactions_load"); stream.to("transactions_fact"); KafkaStreams streams = new…
Chris Snow
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DataStage Kafka connector / Message Hub / Authentication via Kerberos

This is not really a programming question - rather one about different implementation options. I'm trying to stream data to a Message Hub on Bluemix using the Kafka connector in DataStage. The connector stage only let's me choose Kerberos for…
Jan
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I see errors using node-rdkafka but it seems to be working ok

I have a Bluemix Node.js (6.1.0) application that uses node-rdkafka 1.0.3. It seems to be working ok but there are tons of error events like Error: Local: Broker Transport Failure or Error: Local: Authentication failure. The producer options I have…
Daniel Alvarez-Torres
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Does Node Red on Bluemix allow for a connection to MessageHub MQLight topic?

I have created a MessageHub service in Bluemix and bound a Node Red application, also in Bluemix. In MH I added an MQLight topic. When I try to connect the mqlight node provided in Node Red it says MQ Light service not available. Does the mqlight…
Jon Dockter
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OpenWhisk messaging package - messageHubProduce unstable

I'm trying to use the "whisk.system/messaging" and trying to use the method messageHubProduce. I created a bind to this package, and tried to use a simple call with postman. Using the documentation, I created a simple json and did a call, but the…
Mike Moreira
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