Has anyone tried upgrading to 5.12.0 under OSGi (e.g. Karaf) already? It fails for me with
org.osgi.service.blueprint.container.ComponentDefinitionException: Error setting property: PropertyDescriptor <name: maxConnections, getter: class org.apache.activemq.jms.pool.PooledConnectionFactory.getMaxConnections(), setter: [class org.apache.activemq.jms.pool.PooledConnectionFactory.setMaxConnections(int)] at org.apache.aries.blueprint.container.BeanRecipe.setProperty(BeanRecipe.java:941)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.setProperties(BeanRecipe.java:907)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.setProperties(BeanRecipe.java:888)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.internalCreate2(BeanRecipe.java:820)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:787)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractRecipe.java:79)[15:org.apache.aries.blueprint.core:1.4.2] at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_45] at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:88)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:245)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:183)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:682)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:377)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:269)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:294)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:263)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintExtender.modifiedBundle(BlueprintExtender.java:253)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:500)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:433)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$AbstractTracked.track(BundleHookBundleTracker.java:725)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.bundleChanged(BundleHookBundleTracker.java:463)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$BundleEventHook.event(BundleHookBundleTracker.java:422)[9:org.apache.aries.util:1.1.0] at org.apache.felix.framework.util.SecureAction.invokeBundleEventHook(SecureAction.java:1103)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.util.EventDispatcher.createWhitelistFromHooks(EventDispatcher.java:695)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:483)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4403)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.startBundle(Felix.java:2092)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:955) at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:942) at org.apache.karaf.features.internal.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:501) at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeatures(FeaturesServiceImpl.java:459) at org.apache.karaf.features.internal.BootFeaturesInstaller.installBootFeatures(BootFeaturesInstaller.java:92) at org.apache.karaf.features.internal.BootFeaturesInstaller.start(BootFeaturesInstaller.java:76) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_45] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_45] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_45] at java.lang.reflect.Method.invoke(Method.java:497)[:1.8.0_45] at org.apache.aries.blueprint.utils.ReflectionUtils.invoke(ReflectionUtils.java:297)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.invoke(BeanRecipe.java:958)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.runBeanProcInit(BeanRecipe.java:712)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.internalCreate2(BeanRecipe.java:824)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:787)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractRecipe.java:79)[15:org.apache.aries.blueprint.core:1.4.2] at java.util.concurrent.FutureTask.run(FutureTask.java:266)[:1.8.0_45] at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:88)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:245)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:183)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:682)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:377)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:269)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:294)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintExtender.createContainer(BlueprintExtender.java:263)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BlueprintExtender.modifiedBundle(BlueprintExtender.java:253)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:500)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.customizerModified(BundleHookBundleTracker.java:433)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$AbstractTracked.track(BundleHookBundleTracker.java:725)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$Tracked.bundleChanged(BundleHookBundleTracker.java:463)[9:org.apache.aries.util:1.1.0] at org.apache.aries.util.tracker.hook.BundleHookBundleTracker$BundleEventHook.event(BundleHookBundleTracker.java:422)[9:org.apache.aries.util:1.1.0] at org.apache.felix.framework.util.SecureAction.invokeBundleEventHook(SecureAction.java:1103)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.util.EventDispatcher.createWhitelistFromHooks(EventDispatcher.java:695)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:483)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:4403)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.startBundle(Felix.java:2092)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.Felix.setActiveStartLevel(Felix.java:1291)[org.apache.felix.framework-4.2.1.jar:] at org.apache.felix.framework.FrameworkStartLevelImpl.run(FrameworkStartLevelImpl.java:304)[org.apache.felix.framework-4.2.1.jar:] at java.lang.Thread.run(Thread.java:745)[:1.8.0_45] Caused by: java.lang.IllegalArgumentException: Unable to create EvictionPolicy instance of type org.apache.commons.pool2.impl.DefaultEvictionPolicy at org.apache.commons.pool2.impl.BaseGenericObjectPool.setEvictionPolicyClassName(BaseGenericObjectPool.java:607) at org.apache.commons.pool2.impl.GenericKeyedObjectPool.setConfig(GenericKeyedObjectPool.java:257) at org.apache.commons.pool2.impl.GenericKeyedObjectPool.<init>(GenericKeyedObjectPool.java:111) at org.apache.commons.pool2.impl.GenericKeyedObjectPool.<init>(GenericKeyedObjectPool.java:86) at org.apache.activemq.jms.pool.PooledConnectionFactory.initConnectionsPool(PooledConnectionFactory.java:89) at org.apache.activemq.jms.pool.PooledConnectionFactory.getConnectionsPool(PooledConnectionFactory.java:496) at org.apache.activemq.jms.pool.PooledConnectionFactory.setMaxConnections(PooledConnectionFactory.java:396) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_45] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_45] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_45] at java.lang.reflect.Method.invoke(Method.java:497)[:1.8.0_45] at org.apache.aries.blueprint.utils.ReflectionUtils$MethodPropertyDescriptor.internalSet(ReflectionUtils.java:628)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.utils.ReflectionUtils$PropertyDescriptor.set(ReflectionUtils.java:378)[15:org.apache.aries.blueprint.core:1.4.2] at org.apache.aries.blueprint.container.BeanRecipe.setProperty(BeanRecipe.java:939)[15:org.apache.aries.blueprint.core:1.4.2] ... 64 more Caused by: java.lang.ClassNotFoundException: org.apache.commons.pool2.impl.DefaultEvictionPolicy at java.net.URLClassLoader.findClass(URLClassLoader.java:381)[:1.8.0_45] at java.lang.ClassLoader.loadClass(ClassLoader.java:424)[:1.8.0_45] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)[:1.8.0_45] at java.lang.ClassLoader.loadClass(ClassLoader.java:357)[:1.8.0_45] at java.lang.Class.forName0(Native Method)[:1.8.0_45] at java.lang.Class.forName(Class.java:348)[:1.8.0_45] at org.apache.commons.pool2.impl.BaseGenericObjectPool.setEvictionPolicyClassName(BaseGenericObjectPool.java:598) ... 77 more It worked fine with 5.11.1. - Martin