Karaf feature tests failing for netconf connector with apache mina SSH lib

After ganymed library was replaced by Apache Mina SSH (CONTROLLER-723), SingleFeatureTests for features including netconf ssh proxy server always fail with following error:

installFeature(org.opendaylight.yangtools.featuretest.SingleFeatureTest)[repoUrl: file:/home/mmarsale/Projects/controller/features/netconf-connector/target/classes/features.xml, Feature: odl-netconf-connector-all 1.2.0-SNAPSHOT] Time elapsed: 19.846 sec <<< ERROR!
java.lang.ClassNotFoundException: javax.crypto.NoSuchPaddingException
at org.eclipse.osgi.internal.loader.BundleLoader.findClassInternal(BundleLoader.java:501)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:421)
at org.eclipse.osgi.internal.loader.BundleLoader.findClass(BundleLoader.java:412)
at org.eclipse.osgi.internal.baseadaptor.DefaultClassLoader.loadClass(DefaultClassLoader.java:107)
at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
at java.lang.Class.getDeclaredConstructors0(Native Method)
at java.lang.Class.privateGetDeclaredConstructors(Class.java:2532)
at java.lang.Class.getConstructor0(Class.java:2842)
at java.lang.Class.getConstructor(Class.java:1718)
at java.security.Provider$Service.newInstance(Provider.java:1239)
at javax.crypto.Cipher.getInstance(Cipher.java:654)
at javax.crypto.Cipher.getInstance(Cipher.java:580)
at org.apache.sshd.common.util.SecurityUtils.getCipher(SecurityUtils.java:139)
at org.apache.sshd.common.cipher.BaseCipher.init(BaseCipher.java:59)
at org.apache.sshd.SshServer.setUpDefaultCiphers(SshServer.java:537)
at org.apache.sshd.SshServer.setUpDefaultServer(SshServer.java:490)
at org.opendaylight.controller.netconf.ssh.SshProxyServer.<init>(SshProxyServer.java:61)
at org.opendaylight.controller.netconf.ssh.osgi.NetconfSSHActivator.startSSHServer(NetconfSSHActivator.java:102)
at org.opendaylight.controller.netconf.ssh.osgi.NetconfSSHActivator.start(NetconfSSHActivator.java:57)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl$1.run(BundleContextImpl.java:711)
at java.security.AccessController.doPrivileged(Native Method)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.startActivator(BundleContextImpl.java:702)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.start(BundleContextImpl.java:683)
at org.eclipse.osgi.framework.internal.core.BundleHost.startWorker(BundleHost.java:381)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:300)
at org.eclipse.osgi.framework.internal.core.AbstractBundle.start(AbstractBundle.java:292)
at org.apache.karaf.features.internal.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:475)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeatures(FeaturesServiceImpl.java:433)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:373)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:362)
at org.apache.karaf.features.internal.FeaturesServiceImpl.installFeature(FeaturesServiceImpl.java:345)
at Proxy76607956_e6a1_46d3_9b42_607e88db4926.installFeature(Unknown Source)
at org.opendaylight.yangtools.featuretest.SingleFeatureTest.installFeature(SingleFeatureTest.java:157)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.ops4j.pax.exam.invoker.junit.internal.ContainerTestRunner.runChild(ContainerTestRunner.java:67)
at org.ops4j.pax.exam.invoker.junit.internal.ContainerTestRunner.runChild(ContainerTestRunner.java:37)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.junit.runner.JUnitCore.run(JUnitCore.java:160)
at org.junit.runner.JUnitCore.run(JUnitCore.java:138)
at org.ops4j.pax.exam.invoker.junit.internal.JUnitProbeInvoker.invokeViaJUnit(JUnitProbeInvoker.java:124)
at org.ops4j.pax.exam.invoker.junit.internal.JUnitProbeInvoker.findAndInvoke(JUnitProbeInvoker.java:97)
at org.ops4j.pax.exam.invoker.junit.internal.JUnitProbeInvoker.call(JUnitProbeInvoker.java:73)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.ops4j.pax.exam.rbc.internal.RemoteBundleContextImpl.remoteCall(RemoteBundleContextImpl.java:80)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at sun.rmi.server.UnicastServerRef.dispatch(UnicastServerRef.java:322)
at sun.rmi.transport.Transport$1.run(Transport.java:177)
at sun.rmi.transport.Transport$1.run(Transport.java:174)
at java.security.AccessController.doPrivileged(Native Method)
at sun.rmi.transport.Transport.serviceCall(Transport.java:173)
at sun.rmi.transport.tcp.TCPTransport.handleMessages(TCPTransport.java:556)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run0(TCPTransport.java:811)
at sun.rmi.transport.tcp.TCPTransport$ConnectionHandler.run(TCPTransport.java:670)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)