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Receive the latest message only for both direct message and persistent message - python
Hi all, recently I am engaging a project that require data streaming. Therefore, even though there is a latency in processing the message, I would like the consumer always take the latest message. I am a python developer and would be grateful if someone can tell be how to achieve the above requirement for both direct…
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Develop the C# client for sending and receiving messages through Solace Broker
Hi Team, I am new to Solace Pubsub broker. This is my first posting. So please apology me, if my query is not clear. I can elaborate it, if it requires. We want to develop the POC to send and receive messages (Pubsub pattern) for C# (Client). How to pass a data/messages using event schema defined in the event? How to…
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House keeping for durable exclusive queues/DTEs having no consumer for a defined time
Hi, We want to implement a housekeeping mechanism for our Solace system so that durable exclusive queues/DTEs having no consumer for a defined time are deleted. We are thinking of the following approach. We implement a poller which looks at all the Queues/DTEs and finds out all the exclusive Queues/DTEs For each of them,…
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Solace consumers and producers connecting with diferent protocol
We have multiple microservices connecting to Solace for different message publish and subscribe requirements. There are some java runtime-based microservices connecting using JMS APIs (using sol-jms library or apache qpid JMS 2.0 library), whereas there are golang and nodejs based runtimes connecting to solace based on…
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Unable to setup HA group for event broker on Windows Docker
Hi I followed the guide for setting up HA group locally on my computer: When i run the docker start primary backup monitoring command the containers startup, but after 30-45 sec. the containers shutdown again. I created the network using the command: docker network create solace-net Create command for primary: docker…
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DLQ/Error QUEUE - Spring cloud Stream
When We publish message it goes to Queue via added topic subscription , which could be consumes using listener's easy. (Message published to Topic, Consumed From queue ) But, Why there is a difference in DLQ publish, I don't think when the message is getting republished to Error Queue it is published to Topic Endpoint,…
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Direct Message Behavior and Persistent Message Queue Configuration
Hi all, I am currently exploring the solace message broker and come across two questions. Question1: I am trying to pass images with base64 encoded and direct PubSub is adopted. Since there are some program the subscriber has to run for each message and it takes time. Therefore, I expect there will be a latency for the…
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Spool Over Quota. Router limit exceeded
I am using a guaranteed message queue. This is sit under the default VPN. The `Configured Quota` is 5,000 MB for the queue. The `Configured Quote` is 1,500 MB for the VPN. I cannot push to the queue when the message size hit 1,500 MB. I updated the `Configured Quote` for the VPN to 10,000 MB but I still cannot push message…
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Dockerfile custom entry point not working in 9+?
I am trying to create a Dockerfile with my VPN pre-populated through a configuration script called configure.sh. Dockerfile: FROM <hidden>/solace-pubsub-enterprise:9.12.1.17 ADD config /config ADD wait-for-it.sh /wait-for-it.sh ADD configure.sh /configure.sh ADD start.sh /start.sh USER root RUN chmod +x /wait-for-it.sh RUN…
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Docker and AMQP (TryMe)
I am new to solace and have used docker to create solace container on my laptop. I am able to connect using "Try Me UI" with the address "ws://localhost:8008" and all works fine including sending messages, however, when i try connecting using AMQP protocol with the broker url "amqp://localhost:5672", it cannot establish…
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Increase Message VPN limit
I am running docker for Mac as described here https://docs.solace.com/Solace-SW-Broker-Set-Up/Docker-Containers/Set-Up-Docker-Container-macOS.htm Container starts OK. But will not allow me to create more than 3 VPN - it responds "Message VPN limit reached". I cannot find any relevant documentation covering this…
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AMQPS with Client Certificates using .Net and Docker Container
Hi Team, I am trying to send message using AMQPS protocol and also along with this using client certificate for client authentication. With the below code, I am able to send the message to solace broker. However, after disabling the Basic Authentication and enabling Client Authentication, the message send fails with the…
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setting max bind count
Hi, I have to set max bind count value as 200 in our Production environment. But my solace admin is saying that the client limit setup was already restricted in prod at 175. Prod Client Limit - clientProfileName: 5-pymt maxConnectionCountPerClientUsername: 175 serviceSmfMaxConnectionCountPerClientUsername: 175 So my query…
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Load Balancing on One Topic Multiple Consumer
Hi all, I am new to Solace. Recently I am working on a project that assume the publisher only work on one topic and there is multiple consumer listen to the same topic. The project will be deployed to a k8s and I expect there would be a scaling on the consumer side. My design at this point is one publisher publishing a…
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Session connect timeout
Hi Solace community, First time posting here :) I'm having trouble connecting to solace broker with the C API. I'm getting the a Session connect timeout. SDK NOTICE Wed Apr 06 13:23:14.084 2022 solClient.c:10952 (7f0651038700) Connect attempt for host 'IP:55555' for session '(c0,s1)_default(client name…
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Solace MQTT
Hi community, I have two queries for using MQTT with Solace (1) Can we set TTL for QoS 1 , so that for the created Queue , the same TTL is associated with it ? (2) Can we bind second consumer to an exclusive queue which has been already created before by another consumer ? We noticed with java-mqtt-paho library, when we…
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Non-Exclusive Queue using AMQP
Hi, can it be possible to create non-exclusive queue using amqp in solace ? I am exploring Apache Qpid JMS 2.0 over AMQP 1.0 I checked solace-samples-amqp-qpid-jms2/QueueConsumer.java at master · SolaceSamples/solace-samples-amqp-qpid-jms2 (github.com) and it creates an exclusive queue and connects the consumer to the…
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Window size(prefetch) control of unacknowledged message in Node.js
The messages in our system need to be processed in sequential (we expect the message to be handled one after another) and we are trying to build a queue consumer with the liberary solclientjs. (https://www.npmjs.com/package/solclientjs) I read some blogs and posts that mentioned two keywords the flow windowSize and…
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Native C# Client for Web Sockets
Hi all! I need to connect via WebSockets to an on-prem Solace Broker from my native app (UWP written in C#). I also need to add I the Connect() HTTP request a specific HTTP Header "Authorization" with a Bearer token that I generate in the app. I cannot see a way to configure the Solace C# SDK to perform such a custom…
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1:n behavior using AMQP
Hi, we have multiple instances of application and when we publish a message, all instances should get the message. we can achieve the same using native soalce api using queue and topic. We create multiple queues and subscribe the same topic to each queue. And each instance of the application consumes from the respective…
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Channel immediately getting closed after connecting to host
main impl.TcpClientChannel:55 - Client-1: Client channel (smfclient 1) starting KA timer main impl.KeepaliveTimeoutHandler:28 - Created new KA timer handler main impl.TcpChannel:300 - Scheduling KA timer in 3000ms main impl.ChannelOpStrategyClient:381 - ** Got CLIENTCTRL, updating P2PINBOX to…
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Durable Queue Inactive Consumer Indication
Hi community, we are exploring the Active/Inactive Consumer Indication feature of solace queue. We have created a durable queue at Solace and connected two consumers with the queue. We have tried with Java and Nodejs. (1) JAVA JCSMP API public void handleEvent(Object source, FlowEventArgs event) { System.out.println("Flow…
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Non Exclusive Queue Behavior using MQTT
Hi, we have multiple consumers connected to a durable non-exclusive queue and when we send a message to the queue , only one of the consumers gets the message. Can it be possible to achieve the same behavior using MQTT / java-paho-mqtt ?
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How can we achieve solace message delivery of at least once with variable number of pods?
We have a kubernetes deployment having 2 pods. We want to send messages to both these pods in 1:n way (each message should be received by both) and each message should be delivered at least once(QoS1). To achieve the same, we have a topic and 4 queues created beforehand. All four queues are subscribed to the topic and…
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How to get the number of current consumers of a durable queue ?
Hi, is there any native API (Java, NodeJS, GoLang) by which we can get the number of current consumers of a durable queue ? one way is to use SEMP API ("GET /msgVpns/{msgVpnName}/queues/{queueName}/txFlows"). We are looking if there way way to do the similar task using some native API.
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How to access the Solace CLI
I am using docker image to run the solace broker. The image is solace/solace-pubsub-standard:latest . I would like to access the CLI and for example check the current version or log checking. I followed the steps but it seems that there is not enough access right for me. I would like to ask what is the correct way to…
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How to use the guranteed publisher
Hi all, I am trying out the guranteed_publisher.py: https://github.com/SolaceSamples/solace-samples-python/blob/master/patterns/guaranteed_publisher.py There is a callback on_publish_receipt: https://github.com/SolaceSamples/solace-samples-python/blob/master/patterns/guaranteed_publisher.py#L43 I see that is the…
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Event Broker version availabilitry
Hi @marc I have seen the event broker version available in trial version of pub sub+ cloud is 9.10.0.23 whereas the latest one is 9.12.1.17. Can you please suggest why the same is not availbale in trial version. Would like to do some POC on Oauth using SEMP Regards Prosenjit Das
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Non-Durable Queue Lifecycle
Hi Community, I am going through Understanding Solace Endpoints: Durable vs. Non-Durable - Solace and tried to create Queues using Solace Java API (jcsmp). We could see that Non-Durable queue gets deleted if it is disconnected from Client for more than 60 seconds. Can it be possible to increase more than 60 seconds , for…
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What problems solace solves when I use an Async API
What problems solace solves when I use an Async API where I clearly define the spec that has the channels , payloads , whats the role of Solace when you use an Async API.
