org.apache.karaf.specs.locator not found

[Alex Soto]

With Karaf 4.2.9 and Pax-Exam 4.13.3, and openjdk version "11.0.7" 2020-04-14, 
running integration tests produces warning:

        WARNING: package org.apache.karaf.specs.locator not in java.base

And error :

Bundle org.apache.felix.framework [0] EventDispatcher: Error during dispatch. 
(java.lang.NoClassDefFoundError: org/apache/karaf/specs/locator/OsgiLocator)
java.lang.NoClassDefFoundError: org/apache/karaf/specs/locator/OsgiLocator
        at 
org.apache.karaf.specs.activator.Activator.register(Activator.java:124) 
~[org.apache.karaf.specs.activator-4.2.9.jar:4.2.9]
        at 
org.apache.karaf.specs.activator.Activator.bundleChanged(Activator.java:96) 
~[org.apache.karaf.specs.activator-4.2.9.jar:4.2.9]
        at 
org.apache.felix.framework.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:915)
 ~[org.apache.felix.framework-5.6.12.jar:?]
        at 
org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:834)
 [org.apache.felix.framework-5.6.12.jar:?]
        at 
org.apache.felix.framework.EventDispatcher.fireBundleEvent(EventDispatcher.java:516)
 [org.apache.felix.framework-5.6.12.jar:?]
        at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4579) 
[org.apache.felix.framework-5.6.12.jar:?]
        at 
org.apache.felix.framework.StatefulResolver.fireResolvedEvents(StatefulResolver.java:1289)
 [org.apache.felix.framework-5.6.12.jar:?]
        at 
org.apache.felix.framework.StatefulResolver.resolve(StatefulResolver.java:512) 
[org.apache.felix.framework-5.6.12.jar:?]
        at org.apache.felix.framework.Felix.resolveBundles(Felix.java:4108) 
[org.apache.felix.framework-5.6.12.jar:?]
        at 
org.apache.felix.framework.FrameworkWiringImpl.resolveBundles(FrameworkWiringImpl.java:133)
 [org.apache.felix.framework-5.6.12.jar:?]
        at 
org.apache.karaf.features.internal.service.BundleInstallSupportImpl.resolveBundles(BundleInstallSupportImpl.java:244)
 [!/:?]
        at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.resolveBundles(FeaturesServiceImpl.java:1168)
 [!/:?]
        at 
org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:1022) 
[!/:?]
        at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1062)
 [!/:?]
        at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$13(FeaturesServiceImpl.java:998)
 [!/:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:264) [?:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1128) 
[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:628) 
[?:?]
        at java.lang.Thread.run(Thread.java:834) [?:?]


Any idea?


Best regards,
Alex soto