[jira] [Created] (AMBARI-17102) Pig view fails when execute/explain/syntax check in kerberos environment

["Keta Patel (JIRA)" <ji...@apache.org>]

Keta Patel created AMBARI-17102:
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             Summary: Pig view fails when execute/explain/syntax check in kerberos environment
                 Key: AMBARI-17102
                 URL: https://issues.apache.org/jira/browse/AMBARI-17102
             Project: Ambari
          Issue Type: Bug
          Components: ambari-views, contrib
    Affects Versions: trunk
            Reporter: Keta Patel
            Assignee: Keta Patel


Steps to reproduce the issue:
1. Install a cluster containing Pig and Hive services.
2. Create a Pig View Instance following the steps from http://docs.hortonworks.com/HDPDocuments/Ambari-2.1.0.0/bk_ambari_views_guide/bk_ambari_views_guide-20150721.pdf
3. Go to the Pig View instance and create a new script with some content and save it. I have used the following content in my script:
A = load '/tmp/passwd' using PigStorage(':');
4. Kerberize the Cluster from Admin -> Kerberos page
5. Kerberize the ambari-server following the link https://docs.hortonworks.com/HDPDocuments/Ambari-2.1.2.1/bk_Ambari_Security_Guide/content/_optional_set_up_kerberos_for_ambari_server.html
6. Make sure to update the Pig View configuration with the correct Settings for "WebHDFS Authentication" and "WebHCat Username". Also ensure that the "Cluster Configuration" is "Custom" with the correct values set for "WebHDFS FileSystem URI*", "WebHCat Hostname" and "WebHCat Port".
7. Go to the Pig View instance and open the script created earlier. Click the "Execute" button to run the script.
8. The following error shows up:

java.lang.IllegalArgumentException: Path segment is null

java.lang.IllegalArgumentException: Path segment is null
	at com.sun.jersey.api.uri.UriBuilderImpl.appendPath(UriBuilderImpl.java:547)
	at com.sun.jersey.api.uri.UriBuilderImpl.appendPath(UriBuilderImpl.java:542)
	at com.sun.jersey.api.uri.UriBuilderImpl.path(UriBuilderImpl.java:267)
	at com.sun.jersey.api.client.WebResource.path(WebResource.java:390)
	at org.apache.ambari.view.pig.templeton.client.TempletonApi.checkJob(TempletonApi.java:128)
	at org.apache.ambari.view.pig.resources.jobs.JobResourceManager.retrieveJobStatus(JobResourceManager.java:245)
	at org.apache.ambari.view.pig.resources.jobs.JobService.getJob(JobService.java:101)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)




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