[IGNITE-13406] support for Apache Camel 3.x

• Type: Improvement
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Component/s: streaming
• Ignite Flags: Docs Required, Release Notes Required
• Assignee: Scott Feldstein
• Reporter: Scott Feldstein
• Created: 05/Sep/20 21:49
• Updated: 07/Sep/20 18:05

Description

Currently the stream libs only support camel 2.x.  When camel 3.x is used errors come up.

Here is an example:

Caused by: java.lang.NoClassDefFoundError: org/apache/camel/util/CamelContextHelper
	at org.apache.ignite.stream.camel.CamelStreamer.start(CamelStreamer.java:95)
	at com.example.ignite.CamelKafkaIgniteApplicationTest$Config.camelStreamer(CamelKafkaIgniteApplicationTest.java:158)
	at com.example.ignite.CamelKafkaIgniteApplicationTest$Config$$EnhancerBySpringCGLIB$$dd8ac36c.CGLIB$camelStreamer$2(<generated>)
	at com.example.ignite.CamelKafkaIgniteApplicationTest$Config$$EnhancerBySpringCGLIB$$dd8ac36c$$FastClassBySpringCGLIB$$5a773dea.invoke(<generated>)
	at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:244)
	at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:331)
	at com.example.ignite.CamelKafkaIgniteApplicationTest$Config$$EnhancerBySpringCGLIB$$dd8ac36c.camelStreamer(<generated>)
	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:498)
	at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:154)
	... 108 more
Caused by: java.lang.ClassNotFoundException: org.apache.camel.util.CamelContextHelper
	at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
	at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
	... 120 more
 

The org/apache/camel/util/CamelContextHelper class has been moved in camel 3.x per the camel 3.x migration doc

Issue Links

• links to: GitHub Pull Request #21