I have spring cloud stream app that process kafka stream with aggregation.
after aggregation I call Kafka stream to method to publish the result to a new topic.
When I use JsonSerializer it works fine but when I use Avro with local schema registry I get the following :
org.apache.kafka.streams.errors.StreamsException: Error encountered sending record to topic eyali.target for task 1_0 due to:
org.apache.kafka.common.errors.InvalidConfigurationException: You must configure() before serialize() or use serializer constructor with SchemaRegistryClient
at org.apache.kafka.streams.processor.internals.RecordCollectorImpl.send(RecordCollectorImpl.java:177) ~[kafka-streams-3.0.0.jar:na]
at org.apache.kafka.streams.processor.internals.RecordCollectorImpl.send(RecordCollectorImpl.java:139) ~[kafka-streams-3.0.0.jar:na]
at org.apache.kafka.streams.processor.internals.SinkNode.process(SinkNode.java:85) ~[kafka-streams-3.0.0.jar:na]
at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forwardInternal(ProcessorContextImpl.java:253) ~[kafka-streams-3.0.0.jar:na]
at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:232) ~[kafka-streams-3.0.0.jar:na]
at org.apache.kafka.streams.processor.internals.ProcessorContextImpl.forward(ProcessorContextImpl.java:191) ~[kafka-streams-3.0.0.jar:na]
at org.apache.kafka.streams.kstream.internals.KStreamMapValues$KStreamMapProcessor.process(KStreamMapValues.java:42) ~[kafka-streams-3.0.0.jar:na]
.....
Caused by: org.apache.kafka.common.errors.InvalidConfigurationException: You must configure() before serialize() or use serializer constructor with SchemaRegistryClient
After the aggregation is done I use native KafkaStream to publish to a topic (via to method)
.to(targetTopic, Produced.with(Serdes.Long(), new SpecificAvroSerde<>()));
In my application.properties I use the following:
spring.cloud.stream.kafka.streams.binder.configuration.schema.registry.url=http://localhost:8081
Related
I am setting up a basic Spring Cloud Stream producer with Kafka. The intent is to accept a HTTP POST, save the result of the post to a database with Spring Data JPA, and write the results to a Kafka topic using Spring Cloud Stream Kafka Binder. I am following the latest binder documentation on how to setup a KafkaTransactionManager, but this code results in an error on Application startup.
***************************
APPLICATION FAILED TO START
***************************
Description:
The dependencies of some of the beans in the application context form a cycle:
┌─────┐
| kafkaTransactionManager defined in com.example.tx.Application
↑ ↓
| org.springframework.boot.autoconfigure.kafka.KafkaAnnotationDrivenConfiguration
└─────┘
I have the following Bean defined in my Application class, which is the same as documentation.
#Bean
public KafkaTransactionManager kafkaTransactionManager(BinderFactory binders) {
ProducerFactory<byte[], byte[]> pf = ((KafkaMessageChannelBinder) binders.getBinder(null, MessageChannel.class)).getTransactionalProducerFactory();
KafkaTransactionManager tm = new KafkaTransactionManager<>(pf);
tm.setTransactionIdPrefix("tx-test");
return tm;
}
It seems that calling getBinder causes Spring to create the context again. How can I resolve this circular dependency?
Dependencies: Spring Boot parent 2.4.6; Spring Cloud BOM 2020.0.3
Something must have changed in one of the layers; here is a work around:
#Bean
SmartInitializingSingleton ktmProvider(BinderFactory binders, GenericApplicationContext context) {
return () -> {
context.registerBean("kafkaTransactionManager", KafkaTransactionManager.class,
((KafkaMessageChannelBinder) binders.getBinder(null, MessageChannel.class))
.getTransactionalProducerFactory());
context.getBean(KafkaTransactionManager.class).setTransactionIdPrefix("tx-test");
};
}
i.e. wait for the other beans to be created before registering and configuring the tm.
I am running a JHipster 6.1.2 Gateway with Websockets and am trying to restrict access to a messaging topic, so that users can only subscribe to topics of the institution they belong to. So basically I want to perform a check on the id from the subscription path.
My current solution is based on https://stackoverflow.com/a/44895369/4246074 and looks as follows:
WebsocketSecurityConfiguration.java:
#Override
protected void configureInbound(MessageSecurityMetadataSourceRegistry messages) {
//...
//User can only subscribe to own institution topic
.simpSubscribeDestMatchers("/topic/institution.{id}")
.access("#institutionIdGuard.checkInstitutionId(#id)")
//...
}
InstitutionIdGuard.java:
#Component
public class InstitutionIdGuard {
public boolean checkInstitutionId(Long institutionId) {
//validation logic for institutionId would go here
return true;
}
The problem:
Apparently the SpEL expression can't access {id} from the path because i get a nullpointer error with the following log:
2019-08-08 10:30:08.367 ERROR 31097 --- [ XNIO-1 I/O-1] o.s.w.s.m.StompSubProtocolHandler : Failed to send client message to application via MessageChannel in session j2a0jlos. Sending STOMP ERROR to client.
org.springframework.messaging.MessageDeliveryException: Failed to send message to ExecutorSubscribableChannel[clientInboundChannel]; nested exception is java.lang.IllegalArgumentException: Failed to evaluate expression '#institutionIdGuard.checkInstitutionId(#id)'
at org.springframework.messaging.support.AbstractMessageChannel.send(AbstractMessageChannel.java:146)
at org.springframework.messaging.support.AbstractMessageChannel.send(AbstractMessageChannel.java:122)
at org.springframework.web.socket.messaging.StompSubProtocolHandler.handleMessageFromClient(StompSubProtocolHandler.java:284)
at org.springframework.web.socket.messaging.SubProtocolWebSocketHandler.handleMessage(SubProtocolWebSocketHandler.java:324)
at org.springframework.web.socket.handler.WebSocketHandlerDecorator.handleMessage(WebSocketHandlerDecorator.java:75)
at org.springframework.web.socket.handler.LoggingWebSocketHandlerDecorator.handleMessage(LoggingWebSocketHandlerDecorator.java:56)
at org.springframework.web.socket.handler.ExceptionWebSocketHandlerDecorator.handleMessage(ExceptionWebSocketHandlerDecorator.java:58)
at org.springframework.web.socket.sockjs.transport.session.AbstractSockJsSession.delegateMessages(AbstractSockJsSession.java:386)
at org.springframework.web.socket.sockjs.transport.session.WebSocketServerSockJsSession.handleMessage(WebSocketServerSockJsSession.java:195)
at org.springframework.web.socket.sockjs.transport.handler.SockJsWebSocketHandler.handleTextMessage(SockJsWebSocketHandler.java:93)
at org.springframework.web.socket.handler.AbstractWebSocketHandler.handleMessage(AbstractWebSocketHandler.java:43)
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter.handleTextMessage(StandardWebSocketHandlerAdapter.java:113)
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter.access$000(StandardWebSocketHandlerAdapter.java:42)
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter$3.onMessage(StandardWebSocketHandlerAdapter.java:84)
at org.springframework.web.socket.adapter.standard.StandardWebSocketHandlerAdapter$3.onMessage(StandardWebSocketHandlerAdapter.java:81)
at io.undertow.websockets.jsr.FrameHandler$7.run(FrameHandler.java:286)
at io.undertow.websockets.jsr.ServerWebSocketContainer$1.call(ServerWebSocketContainer.java:170)
at io.undertow.websockets.jsr.ServerWebSocketContainer$1.call(ServerWebSocketContainer.java:167)
at io.undertow.servlet.core.ContextClassLoaderSetupAction$1.call(ContextClassLoaderSetupAction.java:43)
at io.undertow.websockets.jsr.ServerWebSocketContainer.invokeEndpointMethod(ServerWebSocketContainer.java:604)
at io.undertow.websockets.jsr.ServerWebSocketContainer.invokeEndpointMethod(ServerWebSocketContainer.java:594)
at io.undertow.websockets.jsr.FrameHandler.invokeTextHandler(FrameHandler.java:266)
at io.undertow.websockets.jsr.FrameHandler.onFullTextMessage(FrameHandler.java:317)
at io.undertow.websockets.core.AbstractReceiveListener$2.complete(AbstractReceiveListener.java:156)
at io.undertow.websockets.core.AbstractReceiveListener$2.complete(AbstractReceiveListener.java:152)
at io.undertow.websockets.core.BufferedTextMessage.read(BufferedTextMessage.java:105)
at io.undertow.websockets.core.AbstractReceiveListener.readBufferedText(AbstractReceiveListener.java:152)
at io.undertow.websockets.core.AbstractReceiveListener.bufferFullMessage(AbstractReceiveListener.java:90)
at io.undertow.websockets.jsr.FrameHandler.onText(FrameHandler.java:182)
at io.undertow.websockets.core.AbstractReceiveListener.handleEvent(AbstractReceiveListener.java:44)
at io.undertow.websockets.core.AbstractReceiveListener.handleEvent(AbstractReceiveListener.java:33)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:951)
at io.undertow.server.protocol.framed.AbstractFramedChannel$FrameReadListener.handleEvent(AbstractFramedChannel.java:932)
at org.xnio.ChannelListeners.invokeChannelListener(ChannelListeners.java:92)
at org.xnio.conduits.ReadReadyHandler$ChannelListenerHandler.readReady(ReadReadyHandler.java:66)
at org.xnio.nio.NioSocketConduit.handleReady(NioSocketConduit.java:88)
at org.xnio.nio.WorkerThread.run(WorkerThread.java:561)
Caused by: java.lang.IllegalArgumentException: Failed to evaluate expression '#institutionIdGuard.checkInstitutionId(#id)'
at org.springframework.security.access.expression.ExpressionUtils.evaluateAsBoolean(ExpressionUtils.java:30)
at org.springframework.security.messaging.access.expression.MessageExpressionVoter.vote(MessageExpressionVoter.java:57)
at org.springframework.security.messaging.access.expression.MessageExpressionVoter.vote(MessageExpressionVoter.java:39)
at org.springframework.security.access.vote.AffirmativeBased.decide(AffirmativeBased.java:63)
at org.springframework.security.access.intercept.AbstractSecurityInterceptor.beforeInvocation(AbstractSecurityInterceptor.java:233)
at org.springframework.security.messaging.access.intercept.ChannelSecurityInterceptor.preSend(ChannelSecurityInterceptor.java:69)
at org.springframework.messaging.support.AbstractMessageChannel$ChannelInterceptorChain.applyPreSend(AbstractMessageChannel.java:178)
at org.springframework.messaging.support.AbstractMessageChannel.send(AbstractMessageChannel.java:132)
... 37 common frames omitted
Caused by: org.springframework.expression.spel.SpelEvaluationException: EL1004E: Method call: Method checkInstitutionId(null) cannot be found on type com.mycompany.websocketgateway.security.InstitutionIdGuard
at org.springframework.expression.spel.ast.MethodReference.findAccessorForMethod(MethodReference.java:225)
at org.springframework.expression.spel.ast.MethodReference.getValueInternal(MethodReference.java:134)
at org.springframework.expression.spel.ast.MethodReference.access$000(MethodReference.java:54)
at org.springframework.expression.spel.ast.MethodReference$MethodValueRef.getValue(MethodReference.java:390)
at org.springframework.expression.spel.ast.CompoundExpression.getValueInternal(CompoundExpression.java:90)
at org.springframework.expression.spel.ast.SpelNodeImpl.getTypedValue(SpelNodeImpl.java:114)
at org.springframework.expression.spel.standard.SpelExpression.getValue(SpelExpression.java:300)
at org.springframework.security.access.expression.ExpressionUtils.evaluateAsBoolean(ExpressionUtils.java:26)
... 44 common frames omitted
I would be grateful for any ideas how to make my solution work or other other ways of performing checks in the id.
I found the solution on the Spring Security issue tracker. Apparently before Spring Security 5.2 you can pass the implicit message variable to the SpEL expression
.simpSubscribeDestMatchers("/topic/institution.*")
.access("#institutionIdGuard.checkInstitutionId(authentication, message)")
Then in the verification method its possible to get the path from the message and do your own verification with it:
public boolean checkInstitutionId(Authentication authentication, Message<?> message) {
StompHeaderAccessor sha = StompHeaderAccessor.wrap(message);
String topic = sha.getDestination();
String id = topic.replace("/topic/institution/", "");
//validation logic for institutionId would go here
return true;
}
Spring Security 5.2 should have fixed the issue according to this pull request.
I have a simple spring-boot application with a rabbit sender and a receiver. I want to write some receiver tests where I am running a rabbitmq docker instance as Junit Class Rule (RabbitContainerRule)and then sending a message using rabbitTemplate and the test verifies if the receiver receives the same message. But I am getting the following exception:
Caused by: org.springframework.context.ApplicationContextException: Failed to start bean 'org.springframework.amqp.rabbit.config.internalRabbitListenerEndpointRegistry'; nested exception is org.springframework.amqp.AmqpIllegalStateException: Fatal exception on listener startup
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178)
Caused by: org.springframework.amqp.rabbit.listener.QueuesNotAvailableException: Cannot prepare queue for listener. Either the queue doesn't exist or the broker will not allow us to use it.
at org.springframework.amqp.rabbit.listener.BlockingQueueConsumer.start(BlockingQueueConsumer.java:599)
at org.springframework.amqp.rabbit.listener.SimpleMessageListenerContainer$AsyncMessageProcessingConsumer.run(SimpleMessageListenerContainer.java:1424)
Caused by: com.rabbitmq.client.ShutdownSignalException: channel error; protocol method: #method<channel.close>(reply-code=404, reply-text=NOT_FOUND - no queue 'my-message-queue' in vhost '/', class-id=50, method-id=10)
at com.rabbitmq.utility.ValueOrException.getValue(ValueOrException.java:66)
If I create the queue manually(by stopping at a breakpoint) in the docker instance using admin console, my test passes.
Also, if I test it manually using the docker rabbit instance, my spring boot application creates queue successfully. So what is causing it to not create in the test?
I am using spring-amqp 1.7.4 RELEASE
Receiver code:
#RabbitListener(bindings = #QueueBinding(
value = #Queue(value = "my-message-queue", durable = "true",
arguments = {
#Argument(name = "x-dead-letter-exchange", value = "my-message-exchange-dead-letter"),
#Argument(name = "x-dead-letter-routing-key", value = "my-message-queue")}),
exchange = #Exchange(value = "my-message-exchange", type = "topic", durable = "true"),
key = "my-message-rk")
)
public void handleMessage(MyMessage message) {
MESSAGE_LOG.info("Receiving message: " + message);
}
Also I am not creating any #Bean for my-message-queue in Configurations and rely on #RabbitListener to create one for me. But I am creating ConnectionFactory, RabbitTemplate and SimpleRabbitListenerContainerFactory beans in my config.
The #EnableRabbit is necessary on some #Configuration class to let your application context to parse #RabbitListener.
To let the application to create queues and exchanges and bindings between them automatically, and the RabbitAdmin bean must be present in the configuration.
See Reference Manual for more information: https://docs.spring.io/spring-amqp/docs/2.0.0.RELEASE/reference/html/
The class where you are building your queues should be annotated with #Configuration annotation, otherwise, spring will not be able to create the queues at the time of start up
I am running a spring boot application that connects to activeMQ as a consumer from my Spring STS environment. I then run my camel blueprint from my JBoss Developer Studio app.
Here's the code from my listener:
#JmsListener(destination = '${tripRequest.updateStatus.destination}')
void handle(TextMessage message) {
When the message hits the consumer, I get the following exception:
org.springframework.jms.listener.adapter.ListenerExecutionFailedException: Listener method could not be invoked with incoming message
Endpoint handler details:
Method [public void com.xxx.trip.request.messaging.status.TripRequestUpdateStatusListener.handle(javax.jms.TextMessage)]
Bean [com.xxx.trip.request.messaging.status.TripRequestUpdateStatusListener#1a99744a]
; nested exception is org.springframework.messaging.converter.MessageConversionException: No converter found to convert to interface javax.jms.TextMessage, message=GenericMessage [payload=byte[197], headers={CamelFileLastModified=1466448102155, CamelFileParent=C:\Users\Thom\git\brms-poc-esb\rule-cancel\data, CamelFilePath=C:\Users\Thom\git\brms-poc-esb\rule-cancel\data\one.json, CamelFileLength=22, jms_destination=queue://tripRequest.updateStatus.v1.0, jms_priority=4, CamelFileAbsolute=true, jms_timestamp=1466631945834, CamelFileName=one.json, jms_redelivered=false, jms_deliveryMode=2, CamelFileNameConsumed=one.json, breadcrumbId=ID-ThomasLaptop-55017-1466631942306-0-1, jms_replyTo=temp-queue://ID:ThomasLaptop-55022-1466631945608-1:1:1, CamelFileRelativePath=one.json, jms_correlationId=Camel-ID-ThomasLaptop-55017-1466631942306-0-3, id=3c38a185-44c7-4df2-fefb-1f3320e0262f, CamelFileAbsolutePath=C:\Users\Thom\git\brms-poc-esb\rule-cancel\data\one.json, jms_expiration=1466631965834, jms_messageId=ID:ThomasLaptop-55022-1466631945608-1:1:2:1:1, CamelFileNameOnly=one.json, timestamp=1466631945924}]
at org.springframework.jms.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:94) ~[spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.adapter.MessagingMessageListenerAdapter.onMessage(MessagingMessageListenerAdapter.java:66) ~[spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:721) ~[spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:681) ~[spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:651) ~[spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:315) [spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:253) [spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1158) [spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1150) [spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:1047) [spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at java.lang.Thread.run(Unknown Source) [na:1.8.0_91]
Caused by: org.springframework.messaging.converter.MessageConversionException: No converter found to convert to interface javax.jms.TextMessage, message=GenericMessage [payload=byte[197], headers={CamelFileLastModified=1466448102155, CamelFileParent=C:\Users\Thom\git\brms-poc-esb\rule-cancel\data, CamelFilePath=C:\Users\Thom\git\brms-poc-esb\rule-cancel\data\one.json, CamelFileLength=22, jms_destination=queue://tripRequest.updateStatus.v1.0, jms_priority=4, CamelFileAbsolute=true, jms_timestamp=1466631945834, CamelFileName=one.json, jms_redelivered=false, jms_deliveryMode=2, CamelFileNameConsumed=one.json, breadcrumbId=ID-ThomasLaptop-55017-1466631942306-0-1, jms_replyTo=temp-queue://ID:ThomasLaptop-55022-1466631945608-1:1:1, CamelFileRelativePath=one.json, jms_correlationId=Camel-ID-ThomasLaptop-55017-1466631942306-0-3, id=3c38a185-44c7-4df2-fefb-1f3320e0262f, CamelFileAbsolutePath=C:\Users\Thom\git\brms-poc-esb\rule-cancel\data\one.json, jms_expiration=1466631965834, jms_messageId=ID:ThomasLaptop-55022-1466631945608-1:1:2:1:1, CamelFileNameOnly=one.json, timestamp=1466631945924}]
at org.springframework.messaging.handler.annotation.support.PayloadArgumentResolver.resolveArgument(PayloadArgumentResolver.java:118) ~[spring-messaging-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.messaging.handler.invocation.HandlerMethodArgumentResolverComposite.resolveArgument(HandlerMethodArgumentResolverComposite.java:98) ~[spring-messaging-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.getMethodArgumentValues(InvocableHandlerMethod.java:138) ~[spring-messaging-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.messaging.handler.invocation.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:107) ~[spring-messaging-4.2.5.RELEASE.jar:4.2.5.RELEASE]
at org.springframework.jms.listener.adapter.MessagingMessageListenerAdapter.invokeHandler(MessagingMessageListenerAdapter.java:90) ~[spring-jms-4.2.5.RELEASE.jar:4.2.5.RELEASE]
... 10 common frames omitted
I know for a fact that we have tested this with text messages sent from another application and this message works fine. I don't understand why it fails from my camel route. When I look at the message, it appears to be well-formed XML. Here it is:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<tripRequestUpdateStatus>
<id>1</id>
<status>Approved</status>
<updatedBy source="lgtc">1</updatedBy>
</tripRequestUpdateStatus>
Why does it need converted in the first place when I'm sending text? Why is conversion failing?
I guess you created a new question after you found out something, but forgot to mention this in this question: How to send text message instead of byte message
You send the messages as byte payload so the JMS consumer receives the message payload as a javax.jms.BytesMessage which Spring Integration is not able to convert to a javax.jms.TextMessage. So you can change your code to use a javax.jms.BytesMessage instead. Or have the sender send the JMS messages as Text based instead of Bytes.
I'm trying to integrate WSO2 ESB (4.7.0) with WSO2 Message Broker (2.1.0).
This is my use case:
A generic HTTP Client sends a REST request to a PassThrough Proxy
deployed on WSO2 ESB
The ESB Proxy has an outsequence: forwards the request to the real
REST service, then, in the outsequence, it sends the response to a
mediator class (deployed inside the WSO2 ESB)
The mediator class make some stuff and has this method inside, by
which it can publish an event to a topic on the Message Broker:
Code:
private void publishEvent(){
String topicName = "MyEvent";
Properties properties = new Properties();
TopicConnection topicConnection = null;
properties.put("java.naming.factory.initial", "org.wso2.andes.jndi.PropertiesFileInitialContextFactory");
String connectionString = "amqp://admin:admin#clientID/carbon?brokerlist='tcp://localhost:5673'";
properties.put("connectionfactory.QueueConnectionFactory", connectionString);
try {
InitialContext ctx = new InitialContext(properties);
TopicConnectionFactory tcf = (TopicConnectionFactory) ctx.lookup("QueueConnectionFactory");
TopicConnection connection = tcf.createTopicConnection();
TopicSession session = connection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
Topic topic = session.createTopic(topicName);
TopicPublisher publisher= session.createPublisher(topic);
TextMessage textMessage =
session.createTextMessage("<asd>sono il publisher di WSO2 message Broker!</asd>");
publisher.publish(textMessage);
publisher.close();
}catch (Exception e){
e.printStackTrace();
}
}
On the other end there is a subscriber to the "MyEvent" topic which
is already running.
(I took the code both for Publisher and subscriber from this URL: http://wso2.com/library/articles/2011/12/wso2-esb-example-pubsub-soa/)
When the client sends the REST request to the proxy (1), the mediator is invoked correctly but when it tries to execute the PublishEvent method (3), nothing happens and the WSO2 ESB logs this 530 error:
INFO - ConnectionCloseMethodHandler ConnectionClose frame received
[2013-10-17 12:43:47,733] INFO - ConnectionCloseMethodHandler Error :530: not allowed:Thread-33
[2013-10-17 12:43:47,734] ERROR - AMQStateManager No Waiters for error saving as last error:Attempt to redeclare exchange: amq.topic of type topic to null.
[2013-10-17 12:43:47,735] ERROR - AMQConnection Throwable Received but no listener set: org.wso2.andes.client.AMQAuthenticationException: Attempt to redeclare exchange: amq.topic of type topic to null. [error code 530: not allowed]
ERROR - AMQStateManager No Waiters for error saving as last error:Attempt to redeclare exchange: amq.topic of type topic to null.
[2013-10-17 20:53:44,996] ERROR - AMQConnection error:
org.wso2.andes.client.AMQAuthenticationException: Attempt to redeclare exchange: amq.topic of type topic to null. [error code 530: not allowed]
at org.wso2.andes.client.handler.ConnectionCloseMethodHandler.methodReceived(ConnectionCloseMethodHandler.java:79)
at org.wso2.andes.client.handler.ClientMethodDispatcherImpl.dispatchConnectionClose(ClientMethodDispatcherImpl.java:192)
at org.wso2.andes.framing.amqp_0_91.ConnectionCloseBodyImpl.execute(ConnectionCloseBodyImpl.java:140)
at org.wso2.andes.client.state.AMQStateManager.methodReceived(AMQStateManager.java:111)
at org.wso2.andes.client.protocol.AMQProtocolHandler.methodBodyReceived(AMQProtocolHandler.java:515)
at org.wso2.andes.client.protocol.AMQProtocolSession.methodFrameReceived(AMQProtocolSession.java:456)
at org.wso2.andes.framing.AMQMethodBodyImpl.handle(AMQMethodBodyImpl.java:96)
at org.wso2.andes.client.protocol.AMQProtocolHandler$2.run(AMQProtocolHandler.java:466)
at org.wso2.andes.pool.Job.processAll(Job.java:109)
at org.wso2.andes.pool.Job.run(Job.java:157)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
javax.jms.JMSException: Error closing connection: org.wso2.andes.client.AMQAuthenticationException: Attempt to redeclare exchange: amq.topic of type topic to null. [error code 530: not allowed]
at org.wso2.andes.client.AMQConnection.doClose(AMQConnection.java:920)
at org.wso2.andes.client.AMQConnection.close(AMQConnection.java:855)
at org.wso2.andes.client.AMQConnection.close(AMQConnection.java:846)
at org.wso2.andes.client.AMQConnection.close(AMQConnection.java:841)
at innova.esb.mediator.TopicPublisher.publishMessage(TopicPublisher.java:49)
at innova.esb.mediator.MediatorEventPublisher.mediate(MediatorEventPublisher.java:35)
at org.apache.synapse.mediators.ext.ClassMediator.mediate(ClassMediator.java:78)
at org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:71)
at org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:114)
at org.apache.synapse.core.axis2.Axis2SynapseEnvironment.injectMessage(Axis2SynapseEnvironment.java:239)
at org.apache.synapse.core.axis2.SynapseCallbackReceiver.handleMessage(SynapseCallbackReceiver.java:443)
at org.apache.synapse.core.axis2.SynapseCallbackReceiver.receive(SynapseCallbackReceiver.java:166)
at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180)
at org.apache.synapse.transport.passthru.ClientWorker.run(ClientWorker.java:222)
at org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
Caused by: org.wso2.andes.client.AMQAuthenticationException: Attempt to redeclare exchange: amq.topic of type topic to null. [error code 530: not allowed]
at org.wso2.andes.client.handler.ConnectionCloseMethodHandler.methodReceived(ConnectionCloseMethodHandler.java:79)
at org.wso2.andes.client.handler.ClientMethodDispatcherImpl.dispatchConnectionClose(ClientMethodDispatcherImpl.java:192)
at org.wso2.andes.framing.amqp_0_91.ConnectionCloseBodyImpl.execute(ConnectionCloseBodyImpl.java:140)
at org.wso2.andes.client.state.AMQStateManager.methodReceived(AMQStateManager.java:111)
at org.wso2.andes.client.protocol.AMQProtocolHandler.methodBodyReceived(AMQProtocolHandler.java:515)
at org.wso2.andes.client.protocol.AMQProtocolSession.methodFrameReceived(AMQProtocolSession.java:456)
at org.wso2.andes.framing.AMQMethodBodyImpl.handle(AMQMethodBodyImpl.java:96)
at org.wso2.andes.client.protocol.AMQProtocolHandler$2.run(AMQProtocolHandler.java:466)
at org.wso2.andes.pool.Job.processAll(Job.java:109)
at org.wso2.andes.pool.Job.run(Job.java:157)
Obviously the subscriber doesn't catch any event.
What is wrong? Why do I have this Connection Exception?
Thanks a lot.