Hi Daniel Thanks for sharing this.
There is a JIRA ticket about this at https://issues.apache.org/jira/browse/CAMEL-16888 Since you are on top of this, wonder if you would attempt to fix this and submit a PR against camel-karaf, for the next version (eg the main branch) https://github.com/apache/camel-karaf On Tue, Oct 19, 2021 at 5:28 PM Daniel Langevin <angelwin...@gmail.com> wrote: > > Hi Everyone, > > in my project, (converting routes from camel 2.17 to camel 3.xx) i will be > facing a problem with CXF. > > The tests were carried out with Karaf (V 4.2.x,4.3.x), camel (V 3.11.x, 3.12) > and CXF (V 3.4.x) > Karaf run on openjdk version "1.8.0_282" > featuresBoot = \ > (instance/4.3.3, package/4.3.3, log/4.3.3, ssh/4.3.3, framework/4.3.3, > system/4.3.3, eventadmin/4.3.3, feature/4.3.3, shell/4.3.3, management/4.3.3, > \ > service/4.3.3, jaas/4.3.3, deployer/4.3.3, diagnostic/4.3.3, wrap/2.6.7, > bundle/4.3.3, config/4.3.3, kar/4.3.3, webconsole/4.2.12, jms/4.2.12, > pax-jms-config/1.1 > .0, pax-jms-artemis/1.1.0, jaxb ) , \ > (camel/3.12, camel-barcode, camel-base64, camel-beanio, camel-csv, > camel-crypto, camel-dns, camel-fop, camel-ftp, camel-groovy, camel-gson, > camel-http, camel-jetty, > camel-jms, camel-jackson, camel-jacksonxml, camel-ldap, camel-mail, > camel-openapi-java, camel-soap, camel-sql, camel-saxon, camel-servlet, > camel-tagsoup, camel-xj, c > amel-xstream, camel-xslt-saxon, camel-zipfile, camel-cxf) , \ > cxf/3.4.5, artemis/2.17 > > ** Here is the symptom ** > At initial deployment (8 times out of 10), when I deploy and start a > camel-route using cxf bean, it works. > If later I destroy and redeploy this route it still works > Stop karaf OSGI > Start again karaf OSGI > Start the same camel-route using the same cxf bean, it always fails with > noSuchMethodError: > ava.lang.NoSuchMethodError: > org.codehaus.stax2.ri.EmptyIterator.getInstance()Lorg/codehaus/stax2/ri/EmptyIterator; > > ** Here is what I did to get around this problem ** > So i check where is deployed this class: org.codehaus.stax2.ri.EmptyIterator > > bundle:find-class org.codehaus.stax2.ri.EmptyIterator > > Jackson-dataformat-XML (96) > org/codehaus/stax2/ri/EmptyIterator.class > > Woodstox (103) > org/codehaus/stax2/ri/EmptyIterator.class > > Stax2 API (347) > org/codehaus/stax2/ri/EmptyIterator.class > > Stax2 API (348) > org/codehaus/stax2/ri/EmptyIterator.class > > Woodstox XML-processor (349) > org/codehaus/stax2/ri/EmptyIterator.class > > > ???? 2 Stax2 API version ?????? > (Bundle 347) > Bundle-Version = 3.1.4 > > (Bundle 348) > Bundle-Version = 4.2.1 > > Then i found that the bundle (349) need Stax2-API version 3.1.4, so i decide > to make some modification in this file > > org/apache/camel/karaf/apache-camel/3.12.0/apache-camel-3.12.0-features.xml > <feature name='xml-specs-api' version='2.9.0' start-level='10'> > <bundle > dependency='true'>mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.activation-api-1.1/2.9.0</bundle> > <bundle > dependency='true'>mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.stax-api-1.0/2.9.0</bundle> > <bundle > dependency="true">mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.jaxws-api-2.2/2.9.0</bundle> > <bundle > dependency="true">mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.jaxrs-api-2.1/2.9.0</bundle> > <bundle > dependency="true">mvn:org.apache.servicemix.specs/org.apache.servicemix.specs.jaxb-api-2.3/2.3_2</bundle> > <!-- D.Langevin 2021.10.18 Conflict with Apache cxf 3.4.x --> > <!-- <bundle>mvn:org.codehaus.woodstox/stax2-api/3.1.4</bundle> --> > <!-- <bundle>mvn:org.codehaus.woodstox/woodstox-core-asl/4.4.1</bundle> > --> > > <bundle>mvn:org.apache.servicemix.bundles/org.apache.servicemix.bundles.jaxb-runtime/2.3.1_1</bundle> > </feature> > > Many feature of CAMEL use org.codehaus.woodstox/stax2-api/4.2, > Many feature of CXF use org.codehaus.woodstox/stax2-api/4.2.1 > i deciced to leave it, because i dont noticed problem at this time !!!!! > > > Then i redo my test, and it's works... all the time, > Initial deployment (10/10) > Stop and start karaf (10/10) > Modification of camel-route using cxf bean (10/10) > > > Hope this can help you while waiting for a fix > > Daniel Langevin > Societe d'habitation du Quebec > Quebec City -- Claus Ibsen ----------------- http://davsclaus.com @davsclaus Camel in Action 2: https://www.manning.com/ibsen2