Yes. I know and my own components use this. But it seems spring or flowable 
needs this class there. 


-----Urspr√ľngliche Nachricht-----
Von: Andrea Cosentino <anco...@gmail.com> 
Gesendet: Dienstag, 3. Dezember 2019 13:01
An: users@camel.apache.org
Cc: dev <d...@camel.apache.org>
Betreff: Re: DefaultComponent

In Camel 3 the DefaultComponent is located at

org.apache.camel.support

It is reported in the migration guide

https://camel.apache.org/manual/latest/camel-3-migration-guide.html#_migrating_custom_components

Il giorno mar 3 dic 2019 alle ore 12:59 <thomas.thi...@telekom.de> ha
scritto:

> Hi,
>
> I got this error. What is missing?
>
> java.lang.NoClassDefFoundError: org/apache/camel/impl/DefaultComponent
>
> Stacktrace:
>
> java.lang.NoClassDefFoundError: org/apache/camel/impl/DefaultComponent
>         at java.base/java.lang.ClassLoader.defineClass1(Native Method) 
> ~[na:na]
>         at
> java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1016) ~[na:na]
>         at
> java.base/java.security.SecureClassLoader.defineClass(SecureClassLoade
> r.java:174)
> ~[na:na]
>         at
> java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinCl
> assLoader.java:802)
> ~[na:na]
>         at
> java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathO
> rNull(BuiltinClassLoader.java:700)
> ~[na:na]
>         at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(Built
> inClassLoader.java:623)
> ~[na:na]
>         at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClas
> sLoader.java:581)
> ~[na:na]
>         at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(Cl
> assLoaders.java:178)
> ~[na:na]
>         at 
> java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
> ~[na:na]
>         at
> org.apache.camel.util.ObjectHelper.doLoadClass(ObjectHelper.java:474)
> ~[camel-util-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.util.ObjectHelper.loadClass(ObjectHelper.java:378)
> ~[camel-util-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.util.ObjectHelper.loadClass(ObjectHelper.java:355)
> ~[camel-util-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultClassResolver.loadClass(DefaultCla
> ssResolver.java:140)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultClassResolver.resolveClass(Default
> ClassResolver.java:55)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder.doNewInstance(Defaul
> tFactoryFinder.java:120)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder.lambda$findClass$0(D
> efaultFactoryFinder.java:77)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder$1.apply(DefaultFacto
> ryFinder.java:155)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder$1.apply(DefaultFacto
> ryFinder.java:151)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(Concu
> rrentHashMap.java:1705)
> ~[na:na]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder.addToClassMap(Defaul
> tFactoryFinder.java:151)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder.findClass(DefaultFac
> toryFinder.java:74)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultFactoryFinder.findClass(DefaultFac
> toryFinder.java:66)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultComponentResolver.findComponent(De
> faultComponentResolver.java:83)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultComponentResolver.resolveComponent
> (DefaultComponentResolver.java:56)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.initComponent(Abstra
> ctCamelContext.java:568)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.access$000(AbstractC
> amelContext.java:165)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext$2.apply(AbstractCame
> lContext.java:496)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext$2.apply(AbstractCame
> lContext.java:492)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> java.base/java.util.concurrent.ConcurrentHashMap.computeIfAbsent(Concu
> rrentHashMap.java:1705)
> ~[na:na]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.getComponent(Abstrac
> tCamelContext.java:492)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.getComponent(Abstrac
> tCamelContext.java:468)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.getEndpoint(Abstract
> CamelContext.java:745)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.support.CamelContextHelper.getMandatoryEndpoint(Camel
> ContextHelper.java:55)
> ~[camel-support-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.DefaultRouteContext.resolveEndpoint(Defau
> ltRouteContext.java:120)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.reifier.RouteReifier.doCreateRoute(RouteReifier.java:
> 363)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.reifier.RouteReifier.createRoute(RouteReifier.java:10
> 8)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at 
> org.apache.camel.impl.DefaultModel.start(DefaultModel.java:356)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.DefaultModel.startRoute(DefaultModel.java:330)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.DefaultModel.startRouteDefinitions(DefaultModel.
> java:323)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.DefaultModel.startRouteDefinitions(DefaultModel.
> java:302)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.AbstractModelCamelContext.startRouteDefinitions(
> AbstractModelCamelContext.java:342)
> ~[camel-core-engine-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.doStartCamel(Abstrac
> tCamelContext.java:2597)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.lambda$doStart$2(Abs
> tractCamelContext.java:2445)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.doWithDefinedClassLo
> ader(AbstractCamelContext.java:2462)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.doStart(AbstractCame
> lContext.java:2443)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.spring.boot.SpringBootCamelContext.doStart(SpringBoot
> CamelContext.java:39)
> ~[camel-spring-boot-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.support.service.ServiceSupport.start(ServiceSupport.j
> ava:117)
> ~[camel-api-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.impl.engine.AbstractCamelContext.start(AbstractCamelC
> ontext.java:2352)
> ~[camel-base-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.spring.SpringCamelContext.start(SpringCamelContext.ja
> va:121)
> ~[camel-spring-3.0.0.jar:3.0.0]
>         at
> org.apache.camel.spring.SpringCamelContext.onApplicationEvent(SpringCa
> melContext.java:157)
> ~[camel-spring-3.0.0.jar:3.0.0]
>         at
> org.springframework.context.event.SimpleApplicationEventMulticaster.do
> InvokeListener(SimpleApplicationEventMulticaster.java:172)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.context.event.SimpleApplicationEventMulticaster.in
> vokeListener(SimpleApplicationEventMulticaster.java:165)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.context.event.SimpleApplicationEventMulticaster.mu
> lticastEvent(SimpleApplicationEventMulticaster.java:139)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.context.support.AbstractApplicationContext.publish
> Event(AbstractApplicationContext.java:403)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.context.support.AbstractApplicationContext.publish
> Event(AbstractApplicationContext.java:360)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.context.support.AbstractApplicationContext.finishR
> efresh(AbstractApplicationContext.java:897)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.context.support.AbstractApplicationContext.refresh
> (AbstractApplicationContext.java:553)
> ~[spring-context-5.2.1.RELEASE.jar:5.2.1.RELEASE]
>         at
> org.springframework.boot.SpringApplication.refresh(SpringApplication.j
> ava:747) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]
>         at
> org.springframework.boot.SpringApplication.refreshContext(SpringApplic
> ation.java:397) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]
>         at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:
> 315) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]
>         at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:
> 1226) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]
>         at
> org.springframework.boot.SpringApplication.run(SpringApplication.java:
> 1215) ~[spring-boot-2.2.1.RELEASE.jar:2.2.1.RELEASE]
>         at
> de.telekom.dms.dpp2.DppMobilWorkflowApplication.main(DppMobilWorkflowA
> pplication.java:40)
> ~[classes/:na]
> Caused by: java.lang.ClassNotFoundException:
> org.apache.camel.impl.DefaultComponent
>         at
> java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClas
> sLoader.java:583)
> ~[na:na]
>         at
> java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(Cl
> assLoaders.java:178)
> ~[na:na]
>         at 
> java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
> ~[na:na]
>         ... 63 common frames omitted
>
>

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