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Which correct protocol should I choose?
Hi! I'm new working on Solace PubSub and despite the fact I've been reading a lot, I didn't understand which is the correct protocol I should use. For example, I have an application publishing more than 1k events per hour on dynamic topics. It can be company/salesorder/usa/123/234, company/salesorder/usa/453/1/45,…
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spool, spool-cache, and spool-cache-backup
I have reviewed the documentation on spool, spool-cache, and spool-cache-backup but need a more detailed explanation of their respective roles.
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About spool size
I want to set the spool size. If the OS has a separate disk capacity of 1TB and the spool area is mounted separately, could you provide the optimal ratio for spool, spool-cache, and spool-cache-backup?
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Number of Unacknowledged Messages
Hello All, I am trying to clean up the shutdown of my service, and delay it until all messages have been processed. I call the Stop() method on all of my IFlows, but I then want it to wait until the number of Unacknowledged messages drops to 0. I can see in the console the number of unacknowledged messages on the consumer,…
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Drain Queue via MQTT
Hi everybody, I'm trying to drain a queue via MQTT. My queue is confingured like this: Following https://docs.solace.com/Messaging/Reserved-Topics.htm and https://docs.solace.com/API/MQTT/MQTT-Topics.htm#Special I created a client that subscribes to the Topics (_P2P/QUE/test-queue, _P2P/QTMP/v:default/test-queue ) that…
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Is there a way to enable Audit logs in pub sub+ event broker and fetch those logs?
I want to enable audit logging in pubsub event broker which I am running it as docker container. Is there a way to do that? I see Audit logs are there in pubsub cloud but is it available in pub sub event broker? #audit
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Is there a way to enable Audit logs in pub sub+ event broker and fetch those logs?
I want to enable audit logging in pubsub event broker which I am running it as docker container. Is there a way to do that? I see Audit logs are there in pubsub cloud but is it available in pub sub event broker?
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Troubleshooting frequent / high amounts of fragmentation on an event broker
Hi all, Trying to get a better understanding of fragmentation and potential culprits of high amounts of fragmentation occurring in a particular event broker. Defragmentation is running daily on a schedule, not threshold. But we are seeing within an hour after defrag runs successfully the estimated fragmentation reaches 99%…
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How to achieve Topic + Queue mechanism using NodeJS & AMQP
Hello, I'm using NodeJS as my tech stack and created a Queue and that queue is subscribed to the topic. Mechanism: Publish a message to the topic and subscribe to the msg from the queue, basically Topic to Queue Mapping. Query: I want to build the above mechanism using the AMQP protocol with NodeJS. Tried Approach: I've…
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Showing exemplars on Prometheus
Hi All, I am trying to use prometheus to display data with exemplars to show traceID but I cannot seem to get it to display the exemplars I used this repo as a base and placed in prometheus and grafana tempo. #Docker Compose version: '3.5' networks: solace_msg_net: name: solace_msg_net external: false driver: bridge…
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How to configure the @JmsListener and receive Solace Topic messages ?
Hi @marc , I followed your tutorial in this thread, how to listen to Solace Topic via JMS. I tried to configure it in my program as well, but I got an error of : unknown endpoint (503: Unknown Queue). I just started learning Solace, can you help me find the issue ? Think you~ This is my JMS configurations:…
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how to configure the RDP reset-comsumer remote retry times limit ?
I have configured the RDP reset-comsumer remote retry delay, but when message delivery got failure due to 503/504, it keeps retrying and it doesn't look like it will stop. I want to set it to stop after 10 attempts. How can I configure it?
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Protocol difference in publishing (AMQP vs REST)
Hi Community, We are using PubSub+'s multiprotocol capabilities for inbound and outbound communication. There are many general-fundamental differences between AMQP and REST in terms of usage however I would like to understand what difference it makes when we choose among them while "publishing" to the broker? (in terms of…
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Solace Try-Me CLI (stm): A sleek command-line tool for messaging Solace PubSub+ Broker
Thrilled to introduce a new command-line tool Solace Try-Me CLI, simply called stm that brings the robust messaging capabilities of the Solace PubSub+ broker right to your fingertips! stm designed specifically for interacting with Solace Broker! This standalone tool is perfect for anyone looking to dive into messaging…
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TestContainers for Solace PubSub+
I am excited to share an update on Testcontainers for Solace PubSub+ module. For those who have not worked with Testcontainers, let me help you with the introduction Testcontainers is an open source framework for providing throwaway, lightweight instances of databases, message brokers, web browsers, or just about anything…
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subscribe to multiple topics inside same session?
TopicSubscriber.java (https://github.com/SolaceSamples/solace-samples-jms/blob/master/src/main/java/com/solace/samples/TopicSubscriber.java) gives a good intro to subscribing to a single topic. What if we want to subscribe to multiple topics ideally with a listener attached to each of those subscriptions. Do we have…
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Azure HA failover load balancer service issue
Greerings, I have an azure deployment where all 3 pods are up, redundancy, config-sync etc..., pod0, pod1 and pod2. We are using an azure load balancer service for clients to connect to smf ssl port. This works fine until pod0 goes down and pod1 is in charge. It looks like all the requests keep going to pod0 since it's pod…
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MessagePublishReceiptListener is not getting the acknowledgement python API
class SolaceMessagePublishReceiptListener(MessagePublishReceiptListener): def __init__(self): self._publish_count = 0 @property def get_publish_count(self): return self._publish_count def on_publish_receipt(self, publish_receipt: 'PublishReceipt'): with lock: self._publish_count += 1 print(f"\tSOLACE -- \n", f"\tMessage:…
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Can we use Solace connection pool for node.js application using solaceclient library
Hi Team, we are building an Azure Function using node.js. This azure function is connecting to Solace using SolaceClient library and publishing a message into Solace topic. Currently, we are open and close the connection for a request. We want use the Connection Pooling concept in Solace Connectivity. so that, same…
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cluster external links
Greetings i have 2 deployments in azure configured, clustered together where the external links were working fine but recently show up as "internal link missing between solace1 and solace2". The external links show as "Down" in Operational State but the channels show as "Up" in Operational State Suggestions please ?
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python qpid-proton cannot access solace broker after rename Message VPN
Hi everyone, I have some problems with connecting to solace with qpid-proton python. I connected to Solace that isn’t running on my local machine but other server, and I could send the message into the queue with the subscription topic and also receive the message from the queue successfully for a while. All I specified…
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C# - Solace Queue Message not reading and missing sometime
I have referred sample code provided by the Solace team for implemented Pub/Sub Queue message (https://github.com/SolaceSamples/solace-samples-dotnet) Sample code is implemented part of Microsoft .Net 6 Worker service and scheduled to run every 30 mins. I am facing new issue and i really don't know what went wrong in my…
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handle Throw error in Pub/Sub Pattern in Javascript
Hello, I am trying to get my head around how error with a publisher in javascript. When I invoke a failed connection via false credentials the following code snippet is executed in the Publisher code: publisher.session.on(solace.SessionEventCode.CONNECT_FAILED_ERROR, function (sessionEvent) { publisher.log('Connection…
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Content resolution example with Spring Cloud Stream
The Spring documentation mentions one of the core features of the framework: It tries to automatically convert incoming message payloads to type Person with the following code: @Bean public Consumer<Person> log() { return person -> { System.out.println("Received: " + person); }; } My attempts to have the incoming message…
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Unable to start the Solace pubsub in podman
I am trying to start the pusub in podman, but when I run the below command the container is in running state and I am unable to access the console in browser. Command: podman run -u 1000:1000 --ulimit nofile=524288:524288 -p 1943:1943 -p 55555:55555 --shm-size=1g --env username_admin_globalaccesslevel=admin --env…
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Golang Parallel For One Consumer?
How can I increase the number of connections for a consumer using pubsubplus-go-client? We pass a callback to ReceiveAsync for a consumer via PersistentMessageReceiver, but only one message is processed at a time.
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Pods are not running and failing very often
Hello Team, I have deployed the pubsub+ HA using helm chart in the GDCE environment (Google Distributed Cloud Edge) which is GKE cluster. There are 3 nodes, hence 3 pods are suppose to run. but 2 pods are failing very often. and one pod is about to start, but not starting. One of the Pod log says: "ERROR:…
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How to send JSON in Javascript
Hello, in the example files for Javscript, perticular the TopicPublisher, there is a line of code that defines a message text. var messageText = 'Sample Message' var message = solace.SolclientFactory.createMessage() message.setDestination(solace.SolclientFactory.createTopicDestination(publisher.topicName))…
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Message Spool Ingress Discard
May i know what is the cause for message spool ingress discards? How to prevent it? How to troubleshoot the issue?
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SMF AD ack response error [condition = amqp:resource-limit-exceeded]
I have seen this error in logs. Can someone explains me when this error occurs and how to prevent it in future? I checked the event log of the solace software broker and found out there are warning messages — VPN_AD_MSG_SPOOL_QUOTA_EXCEED: test - Message VPN(1) test message spool quota (102400 KB) exceeded, messages…
