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From "Sebastiaan Hendriks (JIRA)" <j...@apache.org>
Subject [jira] [Created] (KARAF-6271) Issue with Pax web server and Jetty bundled in Karaf 4.2.5
Date Thu, 02 May 2019 12:51:00 GMT
Sebastiaan Hendriks created KARAF-6271:
------------------------------------------

             Summary: Issue with Pax web server and Jetty bundled in Karaf 4.2.5
                 Key: KARAF-6271
                 URL: https://issues.apache.org/jira/browse/KARAF-6271
             Project: Karaf
          Issue Type: Bug
          Components: karaf
    Affects Versions: 4.2.5
            Reporter: Sebastiaan Hendriks
         Attachments: karaf.log

First some context:
I'm upgrading our application from Java 8 to Java 10+, moving from Karaf 3.0.8 to Karaf 4.2.x.

The issue:
In this application we got a War running for some maintenance screens for the end-user and
I'm encountering an issue with the Pax web server unable to start since it is running up to
a mismatch with the installed Jetty version, yielding the following error when our application
feature is installed;

2019-05-02T14:25:39,732 | ERROR | paxweb-config-1-thread-1 | Activator                       
| 135 - org.ops4j.pax.web.pax-web-runtime - 7.2.8 | Unable to start pax web server: org.eclipse.jetty.server.handler.HandlerCollection.<init>(Z)V
java.lang.NoSuchMethodError: org.eclipse.jetty.server.handler.HandlerCollection.<init>(Z)V
    at org.ops4j.pax.web.service.jetty.internal.JettyServerHandlerCollection.<init>(JettyServerHandlerCollection.java:52)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.JettyServerWrapper.<init>(JettyServerWrapper.java:146)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.JettyServerImpl.<init>(JettyServerImpl.java:90)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.JettyFactoryImpl.createServer(JettyFactoryImpl.java:99)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Stopped.start(ServerControllerImpl.java:380)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.start(ServerControllerImpl.java:71)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl$Unconfigured.configure(ServerControllerImpl.java:700)
~[?:?]
    at org.ops4j.pax.web.service.jetty.internal.ServerControllerImpl.configure(ServerControllerImpl.java:87)
~[?:?]
    at org.ops4j.pax.web.service.internal.Activator.updateController(Activator.java:418)
~[?:?]
    at org.ops4j.pax.web.service.internal.Activator.lambda$scheduleUpdateFactory$1(Activator.java:344)
~[?:?]
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:514) [?:?]
    at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1135)
[?:?]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
[?:?]
    at java.lang.Thread.run(Thread.java:844) [?:?]

 

In an effort to narrow the source of the issue down, I've setup a simple feature where I am
combining the karaf features Http, War and Webconsole to check if Karaf at its core can atleast
run a webapplication. This yields the same error upon loading/starting the feature.

Reproduction scenario:
 * Unpack a fresh install of Karaf 4.2.5
 * Setup a feature.xml in a repository somewhere containing the following;
{color:#e8bf6a}<feature {color}{color:#bababa}name={color}{color:#6a8759}"spot-webconsole-attempt"
{color}{color:#bababa}description={color}{color:#6a8759}"Feature to double-check web functionality"
{color}{color:#bababa}install={color}{color:#6a8759}"auto"{color}{color:#e8bf6a}>
{color}{color:#e8bf6a} <feature>{color}http{color:#e8bf6a}</feature>
{color}{color:#e8bf6a} <feature>{color}war{color:#e8bf6a}</feature>
{color}{color:#e8bf6a} <feature>{color}webconsole{color:#e8bf6a}</feature>
{color}{color:#e8bf6a}</feature>{color}
 * Install on the shell with 
> feature:install -v {color:#6a8759}spot-webconsole-attempt{color}
 * Note error in karaf.log and console not reachable at [http://localhost:8181/system/console/bundles#|http://localhost:8181/system/console/bundles]

org.apache.karaf.features.cfg relevant content;

featuresRepositories = \
    mvn:org.apache.karaf.features/framework/4.2.5/xml/features, \
    mvn:org.apache.karaf.features/enterprise/4.2.5/xml/features, \
    mvn:org.apache.karaf.features/standard/4.2.5/xml/features, \
    mvn:org.apache.karaf.features/spring/4.2.5/xml/features, \
    mvn:org.apache.karaf.features/spring/4.0.1/xml/features, \
    mvn:nl.gvb.spot/spot-features/3.13-SNAPSHOT/xml/features, \
    mvn:nl.gvb.siri/siri-features/3.13-SNAPSHOT/xml/features, \
    mvn:nl.intraffic/spot-common-features/1.0.4-SNAPSHOT/xml/features

featuresBoot = \
    instance/4.2.5, \
    package/4.2.5, \
    log/4.2.5, \
    ssh/4.2.5, \
    framework/4.2.5, \
    system/4.2.5, \
    eventadmin/4.2.5, \
    feature/4.2.5, \
    shell/4.2.5, \
    management/4.2.5, \
    service/4.2.5, \
    jaas/4.2.5, \
    deployer/4.2.5, \
    diagnostic/4.2.5, \
    wrap/2.6.1, \
    bundle/4.2.5, \
    config/4.2.5, \
    kar/4.2.5, \
    spring/3.2.0    

 

 



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