1

I have already referred to these examples to send POST Parameter using Outbound Gateway.

  1. https://github.com/spring-projects/spring-integration-samples/tree/master/intermediate/multipart-http

  2. Spring Integration - how to send POST parameters with http outbound-gateway

I am however getting exceptions

Gateway Interface

import org.springframework.http.HttpStatus;
import java.util.Map;

public interface MultipartRequestGateway {
        HttpStatus postMultipartRequest(Map<String, Object> multipartRequest);
}

Test

public class TestClient {    
    public static void main(String[] args) {
        ConfigurableApplicationContext context = new ClassPathXmlApplicationContext(
                "/META-INF/spring/integration/http-outbound-config.xml");
        Map<String, Object> requestMap = new HashMap<String, Object>();
        requestMap.put("cardNo", "4444333322221111");
        requestMap.put("currencyCode", "USD");
        requestMap.put("amount", "10.00");
        MultipartRequestGateway requestGateway = context.getBean("requestGateway", MultipartRequestGateway.class);
        HttpStatus httpStatus = requestGateway.postMultipartRequest(requestMap);
    }
}

Custom HTTP client for HTTPS

public class HttpClientFactory extends AbstractFactoryBean<HttpClient> {

    @Override
    public Class<?> getObjectType() {
        return HttpClient.class;
    }

    @Override
    protected HttpClient createInstance() throws Exception {
        KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
        TrustStrategy allTrust = new TrustStrategy() {
            public boolean isTrusted(X509Certificate[] chain, String authType) throws CertificateException {
                return true;
            }
        };

        SSLContext sslcontext = SSLContexts.custom().useTLS().loadTrustMaterial(trustStore, allTrust).build();

        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext, SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        CloseableHttpClient httpClient = HttpClients.custom().setSSLSocketFactory(sslsf).build();

        return httpClient;
    }
}

Configuration

<!--REQUEST CHANNELS-->
<int:channel id="PaymentAuthRequestChannel"/>

<!--ROUTING CHANNELS-->
<int:channel id="PaymentAuthRoutingChannel"/>

<!--ERROR CHANNEL-->
<int:channel id="ErrorChannel"/>

<!--GATEWAY-->
<int:gateway id="requestGateway"
             service-interface="org.springframework.integration.samples.http.MultipartRequestGateway"
             default-request-channel="PaymentAuthRoutingChannel">
    <int:default-header name="Api-Key" value="XYZ" />
    <int:default-header name="Accept" value="application/json; v=3"/>
    <int:default-header name="Content-Type" value="application/x-www-form-urlencoded"/>
</int:gateway>

<!--ROUTERS-->
<int:recipient-list-router id="paymentAuthRouter" input-channel="PaymentAuthRoutingChannel" default-output-channel="ErrorChannel">
    <int:recipient selector-expression="true" channel="PaymentAuthRequestChannel"/>
</int:recipient-list-router>

<!--PAYMENT-->
<int-http:outbound-gateway
        id="Auth Outbound Gateway"
        request-channel="PaymentAuthRequestChannel"
        reply-channel="PaymentAuthReplyChannel"
        request-factory="sslFactory"
        header-mapper="headerMapper"
        url="https://XX.XX.XX.XXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz"
        http-method="POST"
        expected-response-type="org.springframework.http.HttpStatus"
        extract-request-payload="true">
</int-http:outbound-gateway>

<!--TRANSFORMER-->
<int:transformer input-channel="PaymentAuthRequestChannel"
                 output-channel="PaymentAuthReplyChannel"
                 expression="payload.statusCode"/>

<!--SSL-->
<bean id="sslFactory" class="org.springframework.http.client.HttpComponentsClientHttpRequestFactory">
    <constructor-arg ref="httpClient"/>
</bean>

<bean id="httpClient" class="org.springframework.integration.samples.http.HttpClientFactory" />

<bean id="httpRequestFactory" class="org.springframework.http.client.HttpComponentsClientHttpRequestFactory">
    <constructor-arg ref="httpClient"/>
</bean>

<!--HEADER MAPPERS-->
<bean id="headerMapper"
      class="org.springframework.integration.http.support.DefaultHttpHeaderMapper">
            <property name="inboundHeaderNames" value="*" />
            <property name="outboundHeaderNames" value="Api-Key, Accept, Content-Type" />
            <property name="userDefinedHeaderPrefix" value="" />
</bean>

Stacktrace-1: java.lang.String cannot be cast to java.util.Map

16:36:30.913 INFO  [main][org.springframework.integration.endpoint.EventDrivenConsumer] started Post Payments Outbound Gateway
16:36:30.913 INFO  [main][org.springframework.integration.endpoint.EventDrivenConsumer] Adding {http:outbound-gateway:Auth Outbound Gateway} as a subscriber to the 'PaymentAuthRequestChannel' channel
16:36:30.914 INFO  [main][org.springframework.integration.channel.DirectChannel] Channel 'org.springframework.context.support.ClassPathXmlApplicationContext@7960847b.PaymentAuthRequestChannel' has 1 subscriber(s).
16:36:30.914 INFO  [main][org.springframework.integration.endpoint.EventDrivenConsumer] started Auth Outbound Gateway
16:36:30.914 INFO  [main][org.springframework.integration.endpoint.EventDrivenConsumer] Adding {logging-channel-adapter:_org.springframework.integration.errorLogger} as a subscriber to the 'errorChannel' channel
16:36:30.914 INFO  [main][org.springframework.integration.channel.PublishSubscribeChannel] Channel 'org.springframework.context.support.ClassPathXmlApplicationContext@7960847b.errorChannel' has 1 subscriber(s).
16:36:30.914 INFO  [main][org.springframework.integration.endpoint.EventDrivenConsumer] started _org.springframework.integration.errorLogger
Exception in thread "main" java.lang.ClassCastException: java.lang.String cannot be cast to java.util.Map
    at org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler.createHttpEntityFromPayload(HttpRequestExecutingMessageHandler.java:461)
    at org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler.generateHttpRequest(HttpRequestExecutingMessageHandler.java:437)
    at org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler.handleRequestMessage(HttpRequestExecutingMessageHandler.java:370)
    at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:99)

Updated Stacktrace

Stacktrace-2: 415 Unsupported Media Type

12:06:19.246 DEBUG [main][org.springframework.beans.factory.support.DefaultListableBeanFactory] Returning cached instance of singleton bean 'integrationEvaluationContext'
12:06:19.248 DEBUG [main][org.springframework.integration.channel.DirectChannel] preSend on channel 'PaymentAuthRequestChannel', message: GenericMessage [payload={currencyCode=USD, paymentAmount=100.00, cardNumber=4791247299592081}, headers={replyChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@6253c26, errorChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@6253c26, Accept=application/json; v=3, id=3ddeae24-ae0a-33c0-55b9-7d8039cc8db1, Api-Key=XYZ, Content-Type=application/x-www-form-urlencoded, timestamp=1450026379245}]
12:06:19.248 DEBUG [main][org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler] org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler#0 received message: GenericMessage [payload={currencyCode=USD, paymentAmount=100.00, cardNumber=4791247299592081}, headers={replyChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@6253c26, errorChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@6253c26, Accept=application/json; v=3, id=3ddeae24-ae0a-33c0-55b9-7d8039cc8db1, Api-Key=XYZ, Content-Type=application/x-www-form-urlencoded, timestamp=1450026379245}]
12:06:19.249 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] outboundHeaderNames=[Api-Key, Accept, Content-Type]
12:06:19.249 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[replychannel] WILL NOT be mapped
12:06:19.249 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[errorchannel] WILL NOT be mapped
12:06:19.249 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[accept] WILL be mapped, matched pattern=accept
12:06:19.249 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Accept], value=application/json; v=3
12:06:19.250 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[id] WILL NOT be mapped
12:06:19.250 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[api-key] WILL be mapped, matched pattern=api-key
12:06:19.250 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Api-Key], value=XYZ
12:06:19.250 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[content-type] WILL be mapped, matched pattern=content-type
12:06:19.250 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Content-Type], value=application/x-www-form-urlencoded
12:06:19.250 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[timestamp] WILL NOT be mapped
12:06:19.270 DEBUG [main][org.springframework.web.client.RestTemplate] Created POST request for "https://XX.XX.XX.XXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz"
12:06:19.271 DEBUG [main][org.springframework.web.client.RestTemplate] Setting request Accept header to [text/plain, */ *]
12:06:19.272 DEBUG [main][org.springframework.web.client.RestTemplate] Writing [{currencyCode=[USD], paymentAmount=[100.00], cardNumber=[4444333322221111]}] as "application/x-www-form-urlencoded" using [org.springframework.http.converter.support.AllEncompassingFormHttpMessageConverter@4145bad8]
12:06:19.692 DEBUG [main][org.springframework.web.client.RestTemplate] POST request for "https://XX.XX.XX.XXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz" resulted in 415 (Unsupported Media Type); invoking error handler
Exception in thread "main" org.springframework.web.client.HttpClientErrorException: 415 Unsupported Media Type
12:06:19.694 DEBUG [main][org.springframework.integration.gateway.GatewayProxyFactoryBean$MethodInvocationGateway] failure occurred in gateway sendAndReceive: HTTP request execution failed for URI [https://XX.XX.XX.XXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz]; nested exception is org.springframework.web.client.HttpClientErrorException: 415 Unsupported Media Type
    at org.springframework.web.client.DefaultResponseErrorHandler.handleError(DefaultResponseErrorHandler.java:91)
    at org.springframework.web.client.RestTemplate.handleResponse(RestTemplate.java:636)
    at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:592)
    at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:567)
    at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:488)
    at org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler.handleRequestMessage(HttpRequestExecutingMessageHandler.java:382)
    at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:99)
    at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:127)
    at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116)
    at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:147)
    at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:120)
    at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)
    at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:442)
    at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:392)
    at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:115)
    at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:45)

NOTE: In my spring-integration configuration xml, if I change the content type from application/x-www-form-urlencoded to application/json i.e

<int:default-header name="Content-Type" value="application/json"/>

Stacktrace-3: no suitable HttpMessageConverter found for request type [java.util.HashMap]

13:32:29.670 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] outboundHeaderNames=[Api-Key, Accept, Content-Type]
13:32:29.670 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[replychannel] WILL NOT be mapped
13:32:29.670 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[errorchannel] WILL NOT be mapped
13:32:29.670 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[accept] WILL be mapped, matched pattern=accept
13:32:29.670 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Accept], value=application/json; v=3
13:32:29.671 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[id] WILL NOT be mapped
13:32:29.671 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[api-key] WILL be mapped, matched pattern=api-key
13:32:29.671 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Api-Key], value=XYZ
13:32:29.671 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[content-type] WILL be mapped, matched pattern=content-type
13:32:29.671 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Content-Type], value=application/json
13:32:29.671 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[timestamp] WILL NOT be mapped
Exception in thread "main" org.springframework.web.client.RestClientException: Could not write request: no suitable HttpMessageConverter found for request type [java.util.HashMap] and content type [application/json]
    at org.springframework.web.client.RestTemplate$HttpEntityRequestCallback.doWithRequest(RestTemplate.java:806)
    at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:589)
    at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:567)
    at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:488)
    at org.springframework.integration.http.outbound.HttpRequestExecutingMessageHandler.handleRequestMessage(HttpRequestExecutingMessageHandler.java:382)
    at org.springframework.integration.handler.AbstractReplyProducingMessageHandler.handleMessageInternal(AbstractReplyProducingMessageHandler.java:99)
    at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:127)
    at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116)
    at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:147)
    at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:120)
    at org.springframework.integration.channel.AbstractSubscribableChannel.doSend(AbstractSubscribableChannel.java:77)
    at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:442)
    at org.springframework.integration.channel.AbstractMessageChannel.send(AbstractMessageChannel.java:392)
    at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:115)
    at org.springframework.messaging.core.GenericMessagingTemplate.doSend(GenericMessagingTemplate.java:45)
    at org.springframework.messaging.core.AbstractMessageSendingTemplate.send(AbstractMessageSendingTemplate.java:105)
    at org.springframework.integration.router.AbstractMessageRouter.handleMessageInternal(AbstractMessageRouter.java:166)
    at org.springframework.integration.handler.AbstractMessageHandler.handleMessage(AbstractMessageHandler.java:127)13:32:29.686 DEBUG [main][org.springframework.web.client.RestTemplate] Created POST request for "https://XX.XX.XX.XXXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz"
13:32:29.686 DEBUG [main][org.springframework.web.client.RestTemplate] Setting request Accept header to [text/plain, */*]
13:32:29.688 DEBUG [main][org.springframework.integration.gateway.GatewayProxyFactoryBean$MethodInvocationGateway] failure occurred in gateway sendAndReceive: HTTP request execution failed for URI [https://XX.XX.XX.XXXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz]; nested exception is org.springframework.web.client.RestClientException: Could not write request: no suitable HttpMessageConverter found for request type [java.util.HashMap] and content type [application/json]
    at org.springframework.integration.dispatcher.AbstractDispatcher.tryOptimizedDispatch(AbstractDispatcher.java:116)
    at org.springframework.integration.dispatcher.UnicastingDispatcher.doDispatch(UnicastingDispatcher.java:147)
    at org.springframework.integration.dispatcher.UnicastingDispatcher.dispatch(UnicastingDispatcher.java:120)

Stacktrace-4: No converter found capable of converting from type org.springframework.http.ResponseEntity to type java.lang.String 

4:49:48.639 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[timestamp] WILL NOT be mapped
14:49:48.663 DEBUG [main][org.springframework.web.client.RestTemplate] Created POST request for "https://XX.XX.XX.XXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz"
14:49:48.666 DEBUG [main][org.springframework.web.client.RestTemplate] Setting request Accept header to [text/plain, application/json, application/*+json, */*]
14:49:48.680 DEBUG [main][org.springframework.web.client.RestTemplate] Writing [{currencyCode=USD, paymentAmount=100.00, cardNumber=4444333322221111}] as "application/json" using [org.springframework.http.converter.json.MappingJackson2HttpMessageConverter@7b7fdc8]
14:49:49.758 DEBUG [main][org.springframework.web.client.RestTemplate] POST request for "https://XX.XX.XX.XXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/xyz" resulted in 201 (Created)
14:49:49.759 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] inboundHeaderNames=[*]
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[set-cookie] WILL be mapped, matched pattern=*
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Set-Cookie], value=[JSESSIONID=9F2928189B07D0E3F54D83EA28C36C67; Path=/int-tsys-cc-payment-auth-web/; Secure; HttpOnly]
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[x-content-type-options] WILL be mapped, matched pattern=*
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[X-Content-Type-Options], value=[nosniff]
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[x-xss-protection] WILL be mapped, matched pattern=*
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[X-XSS-Protection], value=[1; mode=block]
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[cache-control] WILL be mapped, matched pattern=*
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Cache-Control], value=no-cache, no-store, max-age=0, must-revalidate
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[pragma] WILL be mapped, matched pattern=*
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Pragma], value=no-cache
14:49:49.760 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[expires] WILL be mapped, matched pattern=*
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[strict-transport-security] WILL be mapped, matched pattern=*
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Strict-Transport-Security], value=[max-age=31536000 ; includeSubDomains]
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[x-frame-options] WILL be mapped, matched pattern=*
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[X-Frame-Options], value=[DENY]
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[accept] WILL be mapped, matched pattern=*
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Accept], value=[application/json;v=3]
14:49:49.761 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[content-length] WILL be mapped, matched pattern=*
14:49:49.762 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Content-Length], value=0
14:49:49.762 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[date] WILL be mapped, matched pattern=*
14:49:49.763 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Date], value=1,450,036,189,000
14:49:49.763 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] headerName=[server] WILL be mapped, matched pattern=*
14:49:49.763 DEBUG [main][org.springframework.integration.http.support.DefaultHttpHeaderMapper] setting headerName=[Server], value=[XYZ]
14:49:49.764 DEBUG [main][org.springframework.integration.channel.DirectChannel] postSend (sent=true) on channel 'PaymentAuthRequestChannel', message: GenericMessage [payload={currencyCode=USD, paymentAmount=100.00, cardNumber=4444333322221111}, headers={replyChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@51bd8b5c, errorChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@51bd8b5c, Accept=application/json; v=3, id=ca7b5634-3721-6a1b-9f20-439ceab25831, Api-Key=XYZ, Content-Type=application/json, timestamp=1450036188634}]
14:49:49.764 DEBUG [main][org.springframework.integration.channel.DirectChannel] postSend (sent=true) on channel 'PaymentAuthRoutingChannel', message: GenericMessage [payload={currencyCode=USD, paymentAmount=100.00, cardNumber=4444333322221111}, headers={replyChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@51bd8b5c, errorChannel=org.springframework.messaging.core.GenericMessagingTemplate$TemporaryReplyChannel@51bd8b5c, Accept=application/json; v=3, id=ca7b5634-3721-6a1b-9f20-439ceab25831, Api-Key=XYZ, Content-Type=application/json, timestamp=1450036188634}]
14:49:49.764 DEBUG [main][org.springframework.beans.factory.support.DefaultListableBeanFactory] Returning cached instance of singleton bean 'integrationConversionService'
Exception in thread "main" org.springframework.core.convert.ConverterNotFoundException: No converter found capable of converting from type org.springframework.http.ResponseEntity<?> to type java.lang.String
    at org.springframework.core.convert.support.GenericConversionService.handleConverterNotFound(GenericConversionService.java:313)
    at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:195)
    at org.springframework.core.convert.support.GenericConversionService.convert(GenericConversionService.java:176)
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.convert(GatewayProxyFactoryBean.java:593)
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.invokeGatewayMethod(GatewayProxyFactoryBean.java:429)
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.doInvoke(GatewayProxyFactoryBean.java:382)
    at org.springframework.integration.gateway.GatewayProxyFactoryBean.invoke(GatewayProxyFactoryBean.java:373)
    at org.springframework.integration.gateway.GatewayCompletableFutureProxyFactoryBean.invoke(GatewayCompletableFutureProxyFactoryBean.java:64)
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
    at com.sun.proxy.$Proxy6.echo(Unknown Source)
    at org.springframework.integration.samples.http.RTFAOrchestrationTest.main(RTFAOrchestrationTest.java:22)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at com.intellij.rt.execution.application.AppMain.main(AppMain.java:140)

Process finished with exit code 1

Stacktrace-5 (After adding Transformer)

15:42:38.771 DEBUG [main][org.springframework.beans.factory.support.DefaultListableBeanFactory] Returning cached instance of singleton bean 'integrationEvaluationContext'
15:42:38.772 DEBUG [main][org.springframework.beans.factory.support.DefaultListableBeanFactory] Returning cached instance of singleton bean 'integrationConversionService'
15:42:38.775 DEBUG [main][org.springframework.integration.handler.ExpressionEvaluatingMessageProcessor] SpEL Expression evaluation failed with EvaluationException.
org.springframework.expression.spel.SpelEvaluationException: EL1008E:(pos 8): Property or field 'statusCode' cannot be found on object of type 'java.util.HashMap' - maybe not public?
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.readProperty(PropertyOrFieldReference.java:224)
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.getValueInternal(PropertyOrFieldReference.java:94)
    at org.springframework.expression.spel.ast.PropertyOrFieldReference.access$000(PropertyOrFieldReference.java:46)

Verified the API working for the following REST request from SOAP-UI for REST

POST https://XX.XX.XX.XXXX:11210/int-tsys-cc-payment-auth-web/integration/tsys/credit-cards/payments/fadsfsad HTTP/1.1
Accept-Encoding: gzip,deflate
Api-Key: XYZ
Accept: application/json;v=3
Content-Type: application/json
Content-Length: 84
Host: XX.XX.XX.XXXX:11210
Connection: Keep-Alive
User-Agent: Apache-HttpClient/4.1.1 (java 1.5)

{
"cardNumber":"4444333322221111",
"currencyCode":"USD",
"paymentAmount":"12.00" 
}
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Himalay Majumdar
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1 Answers1

1

It appears the Map is being converted to a String somehow; it's not clear how that could possibly happen with the configuration you have shown. First step (always) is to turn on DEBUG logging for org.springframework.integration. You should see messages preSend on channel 'requestChannel, and ...HttpRequestExecutingMessageHandler#0 received message ..., with nothing in-between.

Gary Russell
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  • Earlier I posted simplified version of my code, but now I simplified my code itself and updated the same configuration above. I also enabled debug mode. Now I see different exception. Please find the new two stack traces I added to my question. – Himalay Majumdar Dec 13 '15 at 18:45
  • Based on your test case, it looks like your app wants `application/json`, not `multipart/x-www-form-urlencoded`. To convert your Map to JSON, make sure you have Jackson on the classpath and use ``. The outbound adapter will automatically convert the Map to JSON. Multipart is used for sending files, etc, like in the example. – Gary Russell Dec 13 '15 at 18:46
  • Add `com.fasterxml.jackson.core:jackson-databind:2.5.1` to your classpath and the framework will automatically configure a JSON message converter. ...databind has other dependencies which will be pulled in automatically if you are using maven or gradle for dependency management. – Gary Russell Dec 13 '15 at 19:02
  • After adding jackson dependency I can see the POST request returns 201, however I still get ConverterNotFoundException and cannot parse the response. Please have a look at Stacktrace-4 in the question. Thank you! – Himalay Majumdar Dec 13 '15 at 20:02
  • That conversion is being attempted in the request gateway; it seems you have changed the return type to `String` from `HttpStatus`. Change the return type to `ResponseEntity`, or change it to `HttpStatus` and add a `` after the http outbound gateway. – Gary Russell Dec 13 '15 at 20:13
  • I tried adding a reply channel to my outbound-gateway and also a transformer (may be I am not adding the transformer properly--please see that updated in my question.) I am getting "Property or field 'statusCode' cannot be found on object of type 'java.util.HashMap' - maybe not public?" (Stacktrace-5). Thank you. – Himalay Majumdar Dec 13 '15 at 20:48
  • You must have changed something else. Now you're getting a hash map instead of a response entity as the result. – Gary Russell Dec 13 '15 at 20:58
  • I don't think so. When I only comment out my transformer and the reply-channel in outbound-gateway, I get `No converter found capable of converting from type org.springframework.http.ResponseEntity> to type org.springframework.http.HttpStatus`. Only with the transformer and reply-channel in place I get stacktrace-5. Could you please have a look at my transformer to see if thats correct. I am almost there.. Thank you. – Himalay Majumdar Dec 14 '15 at 02:17
  • After hours of debugging, finally found out that It was a problem with the way I was setting up transformer, thank you so much for the directions Gary! – Himalay Majumdar Dec 14 '15 at 03:41