2021-12-10T15:45:25,436 | WARN  | Blueprint Extender: 1 | BeanRecipe                       | 91 - org.apache.aries.blueprint.core - 1.10.3 |  -  | Object to be destroyed is not an instance of UnwrapperedBeanHolder, type: null2021-12-10T15:45:25,436 | WARN  | Blueprint Extender: 1 | BeanRecipe                       | 91 - org.apache.aries.blueprint.core - 1.10.3 |  -  | Object to be destroyed is not an instance of UnwrapperedBeanHolder, type: null2021-12-10T15:45:25,437 | ERROR | Blueprint Extender: 1 | BlueprintContainerImpl           | 91 - org.apache.aries.blueprint.core - 1.10.3 |  -  | Unable to start container for blueprint bundle org.onap.ccsdk.features.sdnr.wt.sdnr-wt-data-provider-provider/1.2.7org.osgi.service.blueprint.container.ComponentDefinitionException: Error when instantiating bean aboutServlet of class org.onap.ccsdk.features.sdnr.wt.dataprovider.http.about.AboutHttpServlet at org.apache.aries.blueprint.container.BeanRecipe.wrapAsCompDefEx(BeanRecipe.java:362) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BeanRecipe.getInstanceFromType(BeanRecipe.java:352) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BeanRecipe.getInstance(BeanRecipe.java:283) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BeanRecipe.internalCreate2(BeanRecipe.java:685) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BeanRecipe.internalCreate(BeanRecipe.java:666) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.di.AbstractRecipe$1.call(AbstractRecipe.java:81) ~[bundleFile:1.10.3] at java.util.concurrent.FutureTask.run(Unknown Source) ~[?:?] at org.apache.aries.blueprint.di.AbstractRecipe.create(AbstractRecipe.java:90) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BlueprintRepository.createInstances(BlueprintRepository.java:360) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BlueprintRepository.createAll(BlueprintRepository.java:190) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BlueprintContainerImpl.instantiateEagerComponents(BlueprintContainerImpl.java:737) ~[bundleFile:1.10.3] at org.apache.aries.blueprint.container.BlueprintContainerImpl.doRun(BlueprintContainerImpl.java:433) [bundleFile:1.10.3] at org.apache.aries.blueprint.container.BlueprintContainerImpl.run(BlueprintContainerImpl.java:298) [bundleFile:1.10.3] at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:?] at java.util.concurrent.FutureTask.run(Unknown Source) [?:?] at org.apache.aries.blueprint.container.ExecutorServiceWrapper.run(ExecutorServiceWrapper.java:106) [bundleFile:1.10.3] at org.apache.aries.blueprint.utils.threading.impl.DiscardableRunnable.run(DiscardableRunnable.java:45) [bundleFile:1.10.3] at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:?] at java.util.concurrent.FutureTask.run(Unknown Source) [?:?] at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) [?:?] at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:?] at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:?] at java.lang.Thread.run(Unknown Source) [?:?]Caused by: java.lang.NullPointerException at org.onap.ccsdk.features.sdnr.wt.dataprovider.http.about.AboutHttpServlet.collectStaticData(AboutHttpServlet.java:123) ~[?:?] at org.onap.ccsdk.features.sdnr.wt.dataprovider.http.about.AboutHttpServlet.<init>(AboutHttpServlet.java:90) ~[?:?] at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) ~[?:?] at jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source) ~[?:?] at jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source) ~[?:?]