Fabric environment unstable with `java.util.concurrent.TimeoutException` exception.

Issue

• After deploying a new code in user training environment, it goes unstable and behave oddly. Same code is running fine in lower environments
• We get following error after waiting for 5 to 6 minutes.

2016-01-22 07:26:48,971 | ERROR | rint Extender: 1 | BlueprintContainerImpl           | ntainer.BlueprintContainerImpl$1  336 | 9 - org.apache.aries.blueprint.core - 1.0.1.redhat-611423 | Unable to start blueprint container for bundle org.apache.karaf.features.command due to unresolved dependencies [(objectClass=org.apache.karaf.features.FeaturesService)]
java.util.concurrent.TimeoutException

• Complete logs

2016-01-22 07:21:51,455 | WARN  | FelixStartLevel  | MavenRepositoryURL               | maven.commons.MavenRepositoryURL  116 | 1 - org.ops4j.pax.url.mvn - 1.3.7 | Repository spec http://repository.apache.org/content/groups/snapshots-group/ does not contain an identifier. This is deprecated & discouraged & just evil.
2016-01-22 07:21:51,456 | WARN  | FelixStartLevel  | MavenRepositoryURL               | maven.commons.MavenRepositoryURL  116 | 1 - org.ops4j.pax.url.mvn - 1.3.7 | Repository spec http://svn.apache.org/repos/asf/servicemix/m2-repo/ does not contain an identifier. This is deprecated & discouraged & just evil.
2016-01-22 07:21:51,456 | WARN  | FelixStartLevel  | MavenRepositoryURL               | maven.commons.MavenRepositoryURL  116 | 1 - org.ops4j.pax.url.mvn - 1.3.7 | Repository spec http://repository.springsource.com/maven/bundles/release/ does not contain an identifier. This is deprecated & discouraged & just evil.
2016-01-22 07:21:51,456 | WARN  | FelixStartLevel  | MavenRepositoryURL               | maven.commons.MavenRepositoryURL  116 | 1 - org.ops4j.pax.url.mvn - 1.3.7 | Repository spec http://repository.springsource.com/maven/bundles/external/ does not contain an identifier. This is deprecated & discouraged & just evil.
2016-01-22 07:21:51,456 | WARN  | FelixStartLevel  | MavenRepositoryURL               | maven.commons.MavenRepositoryURL  116 | 1 - org.ops4j.pax.url.mvn - 1.3.7 | Repository spec http://oss.sonatype.org/content/repositories/releases/ does not contain an identifier. This is deprecated & discouraged & just evil.
2016-01-22 07:26:48,971 | ERROR | rint Extender: 1 | BlueprintContainerImpl           | ntainer.BlueprintContainerImpl$1  336 | 9 - org.apache.aries.blueprint.core - 1.0.1.redhat-611423 | Unable to start blueprint container for bundle org.apache.karaf.features.command due to unresolved dependencies [(objectClass=org.apache.karaf.features.FeaturesService)]
java.util.concurrent.TimeoutException
        at org.apache.aries.blueprint.container.BlueprintContainerImpl$1.run(BlueprintContainerImpl.java:332)[9:org.apache.aries.blueprint.core:1.0.1.redhat-611423]
        at org.apache.aries.blueprint.utils.threading.impl.DiscardableRunnable.run(DiscardableRunnable.java:48)[9:org.apache.aries.blueprint.core:1.0.1.redhat-611423]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)[:1.7.0_71]
        at java.util.concurrent.FutureTask.run(FutureTask.java:262)[:1.7.0_71]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)[:1.7.0_71]
        at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)[:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)[:1.7.0_71]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)[:1.7.0_71]
        at java.lang.Thread.run(Thread.java:745)[:1.7.0_71]