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Purge or Delete Queue message via C#.net
We have few application services currently using Message Queue and currently transitioning to use Solace Messaging. In .Net Message Queue, it has a feature the Purge all the Messages. These application services require to Purge all messages when it is starting. I do aware Solace Application do have this in Queues -> Queue…
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Production level Use Case of using Solace Event portal
@marc I am currently working on design and solutioning of event driven platform and we have done couple of POC on solace pub sub portal. I would like to know more on solace event driven portal designer tool . Like 1) How designer tool can be used to design E2E solution like on-boarding of application in event driven portal…
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SolAdmin worked fine for years but after an upgrade I’m getting the error “cannot find javaw”.
As of version 8.17, SolAdmin no longer comes bundled with a Java Runtime Environment. Please ensure Java 8 (1.8) or later is installed on the platform where SolAdmin will run. The specific error indicates that "javaw.exe" is not in the system PATH environment variable. Please follow below steps to add the path to java to…
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TTL - Message Expiry check on the queue..
If TTL on a message is set to 180secs (say), wondering when the expiry is checked and removal of expired events occur? Just curious how the following scenarios are handled: a) If DMQ is enabled, the dequeue from current queue and enqueue on the DMQ has to occur at the exact time when the message expired, right? b) If no…
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Best Practices Gems here folks
I'm not sure if this has been shared before, but I don't see any harm of popping this up to the surface for all of us. This is where we put a compilation of best practices for different areas around designing an event driven architecture with Solace. Enjoy! https://docs.solace.com/best-practices.htm
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C++, Max clients exceeded for queue
Hi, I would like to send Guaranteed messages to a queue and then read them back within a C++ project. I have managed to create a session (solClient_session_create), then I created a transacted session (solClient_session_createTransactedSession). When creating a flow (solClient_transactedSession_createFlow), I get the…
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Test REST Consumers against a Mock
Hello, I am trying to test the following scenario: I publish a mesage to a topic called rest, and then A rest Consumer picks that mesasge up and sends it to the mock server. Is this scenario possible? If so, i'll be running a postman mock and Solace will be running localy on Docker(I think i might run into some ssl…
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How to get ReplicationGroupMessageId for message replay with Spring cloud stream
Hi , I was trying to find replayMsgId in message header using spring cloud stream , i printed all header which i received but not able to find any values as "rmid1:0117b-75462900ca8-00000000-00135082" Headers which i got as below: * solace_senderTimestamp --1628606024803 * solace_expiration -- 0 * deliveryAttempt -- 1 *…
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Why are all of my message-VPNs appearing as down on the backup appliance after an upgrade?
Starting in SolOS 9.1, a Message VPN state will appear as Down with the reason Not Active if the broker is not in the Redundancy Local Active state. Previously, the VPN would show as Up regardless of the redundancy state. This will apply to all VPNs on the standby broker. After a failover the VPNs will transition to Up.
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MQTT connection to PubSub+ cloud
I have a working Solace instance running in Docker and I can connect using MQTT. Recently I configured a cloud service and I get NOT_AUTHORIZED when I try to connect to the MQTT service. The host, username and password are OK. I tried with wrong ones and then I get different errors (BAD_USER_NAME_OR_PASSWORD and "Name or…
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Possible to track message ids ??
Hi solace support team, We are using solace hardware Appliance 3560, is it possible to track each and every message ids in solace?? If yes please let me know..
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Proxy Solace Connection
Hi, Can we create proxy solace in our local to store the messages/data? Thanks, Prasoon
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synchronizing onComplete event for a solcache subscribe request
Happy new year all, I want to find a way to synchronize the onComplete callback for a solcache sub request. cacheSession.sendCacheRequest(reqId, solaceTopic, true, CacheLiveDataAction.FLOW_THRU, new CacheRequestListener() { @Override public void onException(Long arg0, Topic arg1, JCSMPException arg2) { LOG.error("Consumer…
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show debug commands
Hi, show debugCOMMAND:debug [process-name <process-name>] [process-instance <process-instance>] [timeout <seconds>] <command> [<parameter-list>]DESCRIPTION:Show internal debug informationMINIMUM REQUIRED SCOPE/ACCESS LEVEL:global/read-onlyPARAMETERS:<command> [string] - Debug command to execute.<parameter-list> [string] -…
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SDK Warning while using Solace C API
Hello everyone, I am new to using Solace. I am trying to execute the sample HelloWorldPub and HelloWorldSub applications as downloaded from the Solace C API. When I try to run them, I get the following output: HelloWorldPub: HelloWorldPub initializing... SDK WARNING Fri Jan 29 16:47:17.960 2021 solClientSSL.c:2264…
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Solace Developer Spotlight: Dunith Dhanushka
Hometown: Galle, Sri Lanka (2 hours of driving from Colombo, the capital.) Years of being a developer: 12 Primary programming language(s): Java and Python How did you start as a developer? I started my programming career back in 2005 with Visual Basic 6. I was playing around with the GUI-based applications first. Then I…
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how retries works in RDP
When message delivery got failure due to 503/504 does redelivery count will decrease or it will ignore that attempt? Ex: we have set 5 redelivery attempt and 3 times we got 503 for same message then does this means now it will do 2 attempts only.
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How to check the publisher of a TOPIC?
Hi All, Can you please share a command or SEMP query to get the publisher client details for a particular topic? We can view the sender of a queue using ingress flow on the client but I don't see any option for a topic publisher in soladmin/pubsub+ manager.
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PubSub+ Connector for Kafka Connect 2.1.0 is available now!
PubSub+ Connector for Kafka Connect 2.1.0 has been released and is available for download now. Release Summary: * (Sink) Added the capability for record processor implementations to be configurable through the connector configuration. * (Sink) Added the sol.emit.kafka.record.headers.enabled connector configuration option…
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Selecting queues from SEMP monitor api where message count > 0 ?
Is there any way to query queues from SEMP and filter based on the message count? If I try to add a where clause to the URL with msgs.count I get the following error: "where query error: Collection 'msgs' not allowed". If not, I'll just load all queues and filter in my application. Thanks, Pete
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PubSub+ Connector for MuleSoft Anypoint Platform 1.0.0 is live now!
PubSub+ Connector for MuleSoft Anypoint Platform 1.0.0 has been released and is available for download! Release Summary: * Use the PubSub+ Connector to leverage PubSub+ Event Broker (event streaming) and PubSub+ Event Portal (event management) within the MuleSoft Anypoint Platform to make your MuleSoft integrations more…
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Prevent Queue subscribing application to receive another message until ACK is sent
Hi there, I have a consuming application using the solace .NET client API which binds to an exclusive queue. May aim is to process messages in order without any loss. Suppose I have the following messages on the Queue: msg1, msg2, and msg3. Let's say I have received msg1 and am processing it on the FlowMessageHandler in my…
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[New blog post for developers] New Java Messaging API Now Available
Last month Solace released version 1.0 of a new messaging API for Java. Why is it version 1.0 when we already have a Java API, you might ask? This blog post breaks that down first, then introduces the new one and explain why it’s such a big deal. This blog post covers the following: * A Tale of Two Java APIs * Why a Second…
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solace_replyto header is failed to retrieve in spring cloud stream
Hi Team, We are getting the below error when get the solace_replyto header. Please help to check. Caused by: java.lang.IllegalArgumentException: Incorrect type specified for header 'scst_targetDestination'. Expected [class java.lang.String] but actual type is [class com.solacesystems.jcsmp.impl.TopicImpl]
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Sample code for request/reply design by using Spring Cloud Stream
Hi, I am new to solace and my application is using solace request/reply by using old approach. I have planned to use spring cloud stream in my project for the below scenarios. please refer the below use case and help me with samples: I have three microservice services in my application ServiceA -- > Request the message to…
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How to keep message listener up and running to asynchronously keep receiving messages
Hi, I am using JCSMP API. For listening to messages. I am using asynchronous receiving by implementing XMLMessageListener. Once I started FlowReceiver, it starts listening to messages, my program terminates after some time. I want my listener to be up and running until I terminate my program. Is it possible keep the…
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Detect which services are alive
Hi, we have several services which use Solace to communicate. We also want to notify users if some service is not running. To do that every service publishes a heartbeat to a topic service-name/heartbeat and when the heartbeat stops we assume that the service is not running. This is working, but I'm wondering if there is a…
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downgrade of software brokers?
Hi Experts, I have a quick quesiton. Is it possible to "downgrade" software brokers? I found procedures for "appliance" but not "software". Many thanks in advance, Kia
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JMS Message Handling Scenarios
I am coming through the Solace docs trying to figure out the differences between various JMS pub/sub configurations and how the message and acks would be handled. Here are my scenarios. What I am trying to identify is when an ack is sent, when a message is spooled to disk vs retained in memory, and when/how a message may…
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Boomi Solace Connector: Send operation failed due to maximum size limit
Hi, I am using Boomi and Solace Connector. I am gtting information from Database and mapping to XML profile and trying to push xml to Solace queue (Send) operation. Just 2000 db records it was erroring as Error : [400] SEND's operation combined incoming documents exceed allowed size of [ 1048576 bytes ]. . Did we have any…
