Testing anonymous queues leads to exceptions

[GreenRover]

When consuming form a queue without queue_group. an exception might be thrown.

Log of application:

2024-02-13T14:12:20.082+01:00  INFO 1 --- [           main] c.s.s.c.s.b.p.SolaceQueueProvisioner     : Connected test consumer flow to queue scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update, closing it
2024-02-13T14:12:20.060+01:00  INFO 1 --- [           main] c.s.s.c.s.b.p.SolaceQueueProvisioner     : Testing consumer flow connection to queue scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update (will not start it)
2024-02-13T14:12:20.060+01:00  INFO 1 --- [           main] c.s.s.c.s.b.p.SolaceQueueProvisioner     : Creating anonymous (temporary) queue scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update
Caused by: com.solacesystems.jcsmp.JCSMPErrorResponseException: 503: Max clients exceeded for queue
	at com.solacesystems.jcsmp.impl.flow.BindRequestTask.execute(BindRequestTask.java:214) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.impl.flow.SubFlowManagerImpl.handleAssuredCtrlMessage(SubFlowManagerImpl.java:578) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.impl.TcpClientChannel.handleAssuredCtrlMsg(TcpClientChannel.java:1789) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.impl.TcpClientChannel.handleMessage(TcpClientChannel.java:1754) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.nio.impl.SubscriberMessageReader.processRead(SubscriberMessageReader.java:98) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.nio.impl.SubscriberMessageReader.read(SubscriberMessageReader.java:140) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.smf.SimpleSmfClient.read(SimpleSmfClient.java:1206) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.nio.impl.SyncEventDispatcherReactor.processReactorChannels(SyncEventDispatcherReactor.java:206) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.nio.impl.SyncEventDispatcherReactor.eventLoop(SyncEventDispatcherReactor.java:157) ~[sol-jcsmp-10.20.0.jar!/:na]
	at com.solacesystems.jcsmp.protocol.nio.impl.SyncEventDispatcherReactor$SEDReactorThread.run(SyncEventDispatcherReactor.java:338) ~[sol-jcsmp-10.20.0.jar!/:na]
	at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na]
Caused by: org.springframework.messaging.MessagingException: Failed to get message consumer for inbound adapter 02d70c63-e84e-4585-87f4-0a5a74d07764
	at com.solace.spring.cloud.stream.binder.inbound.JCSMPInboundChannelAdapter.doStart(JCSMPInboundChannelAdapter.java:142) ~[spring-cloud-stream-binder-solace-core-4.0.0.jar!/:na]
	at org.springframework.integration.endpoint.AbstractEndpoint.start(AbstractEndpoint.java:155) ~[spring-integration-core-6.0.6.jar!/:6.0.6]
	at org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.doBindConsumer(AbstractMessageChannelBinder.java:518) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	... 31 common frames omitted
org.springframework.cloud.stream.binder.BinderException: Exception thrown while starting consumer: 
	at org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.doBindConsumer(AbstractMessageChannelBinder.java:576) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binder.AbstractMessageChannelBinder.doBindConsumer(AbstractMessageChannelBinder.java:102) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binder.AbstractBinder.bindConsumer(AbstractBinder.java:144) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binding.BindingService.doBindConsumer(BindingService.java:186) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binding.BindingService.bindConsumer(BindingService.java:139) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binding.AbstractBindableProxyFactory.createAndBindInputs(AbstractBindableProxyFactory.java:98) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binding.InputBindingLifecycle.doStartWithBindable(InputBindingLifecycle.java:58) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at java.base/java.util.LinkedHashMap$LinkedValues.forEach(LinkedHashMap.java:647) ~[na:na]
	at org.springframework.cloud.stream.binding.AbstractBindingLifecycle.start(AbstractBindingLifecycle.java:57) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.cloud.stream.binding.InputBindingLifecycle.start(InputBindingLifecycle.java:34) ~[spring-cloud-stream-4.0.2.jar!/:4.0.2]
	at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:179) ~[spring-context-6.0.11.jar!/:6.0.11]
	at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:357) ~[spring-context-6.0.11.jar!/:6.0.11]
	at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]
	at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:156) ~[spring-context-6.0.11.jar!/:6.0.11]
	at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:124) ~[spring-context-6.0.11.jar!/:6.0.11]
	at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:958) ~[spring-context-6.0.11.jar!/:6.0.11]
	at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:611) ~[spring-context-6.0.11.jar!/:6.0.11]
	at org.springframework.boot.web.reactive.context.ReactiveWebServerApplicationContext.refresh(ReactiveWebServerApplicationContext.java:66) ~[spring-boot-3.0.9.jar!/:3.0.9]
	at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:732) ~[spring-boot-3.0.9.jar!/:3.0.9]
	at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434) ~[spring-boot-3.0.9.jar!/:3.0.9]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:310) ~[spring-boot-3.0.9.jar!/:3.0.9]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1304) ~[spring-boot-3.0.9.jar!/:3.0.9]
	at org.springframework.boot.SpringApplication.run(SpringApplication.java:1293) ~[spring-boot-3.0.9.jar!/:3.0.9]
	at xx.yy.zz.NedToBeObfuscated.main(PssGatewayApplication.java:23) ~[classes!/:5.4.0]
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77) ~[na:na]
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
	at java.base/java.lang.reflect.Method.invoke(Method.java:568) ~[na:na]
	at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49) ~[app.jar:5.4.0]
	at org.springframework.boot.loader.Launcher.launch(Launcher.java:95) ~[app.jar:5.4.0]
	at org.springframework.boot.loader.Launcher.launch(Launcher.java:58) ~[app.jar:5.4.0]
	at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:65) ~[app.jar:5.4.0]
2024-02-13T14:12:19.957+01:00 ERROR 1 --- [           main] o.s.cloud.stream.binding.BindingService  : Failed to create consumer binding; retrying in 30 seconds
2024-02-13T14:12:19.954+01:00  INFO 1 --- [2_ReactorThread] c.s.jcsmp.impl.flow.BindRequestTask      : Client-2: Got BIND ('#P2P/QTMP/v:perrkdc73ukprimary/scst/an/983d02bf-f67a-4078-af3b-83755e2f3879/plain/internal/a/very/big/secret/subscription') Error Response (503) - Max clients exceeded for queue
2024-02-13T14:12:19.937+01:00  INFO 1 --- [           main] c.s.s.c.s.b.util.FlowReceiverContainer   : Flow receiver container daa95d76-9ff5-4c11-aac2-d03e1368218c started in state 'Running'

Log of broker

2024-02-13T13:12:20+00:00 kilo-production-v814g6qq5ws-solace-primary-0 tagNOTI: VPN: VPN_AD_QENDPT_CREATE: TotalyObfuscated - Message VPN (1) Queue #P2P/QTMP/v:perrkdc73ukprimary/scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update created
2024-02-13T13:12:20+00:00 kilo-production-v814g6qq5ws-solace-primary-0 tagNOTI: CLIENT: CLIENT_CLIENT_BIND_SUCCESS: ThisShouldNoOneNerverKnow-dcfd6f56c-mb4kf/1/00140002/lX2Q9H-ZeS Client (182) rti-xxx-gateway-dcfd6f56c-mb4kf/1/00140002/lX2Q9H-ZeS username a/very/big/secret Bind to Non-Durable Queue #P2P/QTMP/v:perrkdc73ukprimary/scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update Topic(), Selector(), AccessType(Exclusive), Quota(2000MB), MaxMessageSize(10000000B), AllOthersPermission(Read|Consume), RespectTTL(Yes), RejectMsgToSenderOnDiscard(No), ReplayFrom(N/A), GrantedPermission(Read|Consume|Modify-Topic|Delete), FlowType(Consumer), FlowId(711), ForwardingMode(StoreAndForward), MaxRedelivery(3), TransactedSessionId(-1) completed
2024-02-13T13:12:20+00:00 kilo-production-v814g6qq5ws-solace-primary-0 tagNOTI: VPN: VPN_AD_QENDPT_DELETE: TotalyObfuscated - Message VPN (1) Queue #P2P/QTMP/v:perrkdc73ukprimary/scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/pdate deleted, final statistics - spool(0, 0, 0, 0, 0, 0, 0, 0) bind(1, 1, 0, 0, 0)
2024-02-13T13:12:20+00:00 kilo-production-v814g6qq5ws-solace-primary-0 tagNOTI: VPN: VPN_AD_QENDPT_CREATE: TotalyObfuscated - Message VPN (1) Queue #P2P/QTMP/v:perrkdc73ukprimary/scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update created
2024-02-13T13:12:20+00:00 kilo-production-v814g6qq5ws-solace-primary-0 tagNOTI: CLIENT: CLIENT_CLIENT_BIND_SUCCESS: TotalyObfuscated rti-pss-gateway-dcfd6f56c-mb4kf/1/00140002/lX2Q9H-ZeS Client (182) rti-pss-gateway-dcfd6f56c-mb4kf/1/00140002/lX2Q9H-ZeS username a/very/big/secret Bind to Non-Durable Queue #P2P/QTMP/v:perrkdc73ukprimary/scst/an/416c77de-6b48-46df-8652-2dd36325e91a/plain/internal/a/very/big/secret/update Topic(), Selector(), AccessType(Exclusive), Quota(2000MB), MaxMessageSize(10000000B), AllOthersPermission(Read|Consume), RespectTTL(Yes), RejectMsgToSenderOnDiscard(No), ReplayFrom(N/A), GrantedPermission(Read|Consume|Modify-Topic|Delete), FlowType(Consumer), FlowId(712), ForwardingMode(StoreAndForward), MaxRedelivery(3), TransactedSessionId(-1) completed
root@ip-10-241-165-196:/var/log/solace/kilo-production-v814g6qq5ws-solace-primary-0#

Solution: Don "test" anonymous queues. This may lead to an race condition on broker with the results of an "Max clients exceeded for queue" exceptrion.