[CAMEL-14708] Camel 3.0.0 Failed to start route because of Multiple consumers for the same endpoint is not allowed

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Won't Fix
• Affects Version/s: 3.0.0, 3.0.1, 3.1.0
• Fix Version/s: 3.2.0
• Component/s: camel-spring-boot-starters
• Estimated Complexity: Unknown
• Assignee: Claus Ibsen
• Reporter: Ranabroto Ghosh
• Created: 12/Mar/20 16:45
• Updated: 18/Mar/20 14:21
• Resolved: 18/Mar/20 14:21

Description

I am creating this issue as suggested by claus from Camel-Users group

Hi I am having this clueless problem SAMPLE PROJECT IS ATTACHED IN ATTACHMENT SECTION 
pom.xml:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
   <groupId>org.apache.camel.springboot</groupId>
    <artifactId>camel-spring-boot-starter</artifactId>
   <version>3.0.0</version>
</dependency>
<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-jetty</artifactId>
<version>3.0.0</version>
</dependency>

REST XML : 
<rests xmlns="http://camel.apache.org/schema/spring">
<rest path="/api" description="Notification consumer with a REST endpoint">
<post uri="/notification" description="enque" >
<to uri="direct:test"/>
</post>
</rest>
</rests>

CAMEL ROUTE:
<route id="route-test" autoStartup="true">
<from uri="direct:test" />
   <unmarshal><custom ref="notification"/></unmarshal>
   <to uri="bean:processor?method=test"/>
   <marshal><custom ref="notification"/></marshal>
   <setHeader name="CamelHttpResponseCode">
<constant>200</constant>
</setHeader>
 </route>

EXCEPTION:
2020-03-12 13:17:12,623 spring-ec2 INFO [main] SpringCamelContext: Route:
route1 started and consuming from: jetty:
http://0.0.0.0:8081/api/notification?httpMethodRestrict=POST
2020-03-12 13:17:12,625 spring-ec2 INFO [main] SpringCamelContext: Route:
route-test started and consuming from: direct://test
2020-03-12 13:17:12,627 spring-ec2 INFO [main] SpringCamelContext: Apache
Camel 3.0.0 (CamelContext: charge-process-fonix-context) is shutting down
2020-03-12 13:17:12,628 spring-ec2 INFO [main] DefaultShutdownStrategy:
Starting to graceful shutdown 2 routes (timeout 300 seconds)
2020-03-12 13:17:12,634 spring-ec2 INFO [Camel
(charge-process-fonix-context) thread #1 - ShutdownTask]
DefaultShutdownStrategy: Route: route-test shutdown complete, was consuming
from: direct://test
2020-03-12 13:17:12,639 spring-ec2 INFO [Camel
(charge-process-fonix-context) thread #1 - ShutdownTask] AbstractConnector:
Stopped ServerConnector@26275b46

{HTTP/1.1,[http/1.1]} {0.0.0.0:8081}

2020-03-12 13:17:12,642 spring-ec2 INFO [Camel
(charge-process-fonix-context) thread #1 - ShutdownTask] ContextHandler:
Stopped o.e.j.s.ServletContextHandler@274fdea6{/,null,UNAVAILABLE}
2020-03-12 13:17:12,644 spring-ec2 INFO [Camel
(charge-process-fonix-context) thread #1 - ShutdownTask]
DefaultShutdownStrategy: Route: route1 shutdown complete, was consuming
from: jetty:http://0.0.0.0:8081/api/notification?httpMethodRestrict=POST
2020-03-12 13:17:12,644 spring-ec2 INFO [main] DefaultShutdownStrategy:
Graceful shutdown of 2 routes completed in 0 seconds
2020-03-12 13:17:12,656 spring-ec2 INFO [main] SpringCamelContext: Apache
Camel 3.0.0 (CamelContext: charge-process-fonix-context) uptime 0.484
seconds
2020-03-12 13:17:12,656 spring-ec2 INFO [main] SpringCamelContext: Apache
Camel 3.0.0 (CamelContext: charge-process-fonix-context) is shutdown in
0.029 seconds
2020-03-12 13:17:12,658 spring-ec2 ERROR [main] SpringCamelContext: Error
starting CamelContext (charge-process-fonix-context) due to exception
thrown: Failed to start route route2 because of Multiple consumers for the
same endpoint is not allowed: jetty:
http://0.0.0.0:8081/api/notification?httpMethodRestrict=POST

org.apache.camel.FailedToStartRouteException: Failed to start route route2
because of Multiple consumers for the same endpoint is not allowed: jetty:
http://0.0.0.0:8081/api/notification?httpMethodRestrict=POST

Note: Problem does not happen using below version 

<dependency>
<groupId>org.apache.camel</groupId>
<artifactId>camel-spring-boot-starter</artifactId>
<version>2.25.0</version>
</dependency>

But Any version from 3.0.0 from throws above exception

<dependency>
<groupId>org.apache.camel.springboot</groupId>
<artifactId>camel-spring-boot-starter</artifactId>
<version>3.0.0</version>
</dependency>