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oozie workflow manager view error

oozie workflow manager view error

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I am getting error when i try to access oozie workflow manager view :

java.lang.RuntimeException: java.lang.NullPointerException at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1506) at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1492) at sun.net.www.protocol.http.HttpURLConnection.getHeaderField(HttpURLConnection.java:3036) at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:489) at org.apache.ambari.server.controller.internal.URLStreamProvider.processURL(URLStreamProvider.java:218) at org.apache.ambari.server.view.ViewURLStreamProvider.getHttpURLConnection(ViewURLStreamProvider.java:239) at org.apache.ambari.server.view.ViewURLStreamProvider.getInputStream(ViewURLStreamProvider.java:216) at org.apache.ambari.server.view.ViewURLStreamProvider.readFrom(ViewURLStreamProvider.java:103) at org.apache.ambari.server.view.ViewURLStreamProvider.readAs(ViewURLStreamProvider.java:117) at org.apache.ambari.server.view.ViewURLStreamProvider.readAsCurrent(ViewURLStreamProvider.java:131) at org.apache.oozie.ambari.view.AmbariIOUtil.readFromUrl(AmbariIOUtil.java:45) at org.apache.oozie.ambari.view.OozieDelegate.readFromOozie(OozieDelegate.java:152) at org.apache.oozie.ambari.view.OozieDelegate.consumeService(OozieDelegate.java:118) at org.apache.oozie.ambari.view.OozieDelegate.consumeService(OozieDelegate.java:111) at org.apache.oozie.ambari.view.OozieProxyImpersonator.handleGet(OozieProxyImpersonator.java:453) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) at com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205) at com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) at com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:302) at 

I have set below property in custum-oozie :

oozie.service.ProxyUserService.proxyuser.ambari-server-AADSPRD.hosts=*
oozie.service.ProxyUserService.proxyuser.ambari-server-AADSPRD.groups=*

oozie.authentication.type=kerberos

I followed below link for the resolving the same but still I am facing the issue :

https://docs.hortonworks.com/HDPDocuments/Ambari-2.5.0.3/bk_ambari-views/content/wfm-kerberos-setup....