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https://issues.apache.org/jira/browse/RANGER-1415?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16630102#comment-16630102
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Mehul Parikh commented on RANGER-1415:
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Committed to [ranger-0.7|
https://github.com/apache/ranger/commit/637f01a6c12ac53c6b3bee811d4538bdea1c5598]
> The ranger can be opened when the user enters http://localhost:6080/ in the
> browser address bar. But request policy from hadoop to ranger will failed
> after installing hdfs plugin if we set POLICY_MGR_URL equal to
> http://localhost:6080/.
> --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: RANGER-1415
> URL: https://issues.apache.org/jira/browse/RANGER-1415
> Project: Ranger
> Issue Type: Bug
> Components: plugins
> Affects Versions: 0.7.0
> Reporter: Qiang Zhang
> Assignee: Qiang Zhang
> Priority: Minor
> Labels: patch
> Fix For: 1.0.0
>
> Attachments:
> 0001-RANGER-1415-update-The-ranger-can-be-opened-when-the.patch
>
>
> The ranger can be opened when the user enters http://localhost:6080/ in the
> browser address bar. But request policy from hadoop to ranger will failed
> after installing hdfs plugin if we set POLICY_MGR_URL equal to
> http://localhost:6080/.The error was as following:
> 2017-02-27 21:16:42,859 ERROR
> org.apache.ranger.admin.client.RangerAdminRESTClient: Error getting policies;
> service not found. secureMode=false, user=root (auth:SIMPLE), response=404,
> serviceName=hadoopdev, lastKnownVersion=4,
> lastActivationTimeInMillis=1488246663112
> 2017-02-27 21:16:42,867 ERROR org.apache.ranger.plugin.util.PolicyRefresher:
> PolicyRefresher(serviceName=hadoopdev): failed to find service. Will clean up
> local cache of policies (4)
> org.apache.ranger.plugin.util.RangerServiceNotFoundException: hadoopdev
> at
> org.apache.ranger.plugin.util.RangerServiceNotFoundException.throwExceptionIfServiceNotFound(RangerServiceNotFoundException.java:35)
> at
> org.apache.ranger.admin.client.RangerAdminRESTClient.getServicePoliciesIfUpdated(RangerAdminRESTClient.java:145)
> at
> org.apache.ranger.plugin.util.PolicyRefresher.loadPolicyfromPolicyAdmin(PolicyRefresher.java:257)
> at
> org.apache.ranger.plugin.util.PolicyRefresher.loadPolicy(PolicyRefresher.java:201)
> at
> org.apache.ranger.plugin.util.PolicyRefresher.run(PolicyRefresher.java:170)
> Reason:
> The brower will remove the last '/' character when the user enters
> http://localhost:6080/ in the browser address bar. The rest request address
> will be
> http://localhost:6080//service/plugins/policies/download/hadoopdev?lastKnownVersion=-1&lastActivationTime=0&pluginId=hdfs@VBoxNodeEng-1-hadoopdev
> when hadoop periodically requests policy from ranger. The request will fail
> because there are two '/' character after 'Http://localhost:6080' in
> http://localhost:6080//service/plugins/policies/download/hadoopdev?lastKnownVersion=-1&lastActivationTime=0&pluginId=hdfs@VBoxNodeEng-1-hadoopdev.
> The result is that we can't see the hdfs plugins in audit web UI.
> The program should be compatible with this situation like the browser.
> Scenario:
> The issue can be reoccurred after we set the value of
> ranger.plugin.hdfs.policy.rest.url to http://localhost:6080/ in
> ../hadoop/hadoop-2.7.3/etc/hadoop/ranger-hdfs-security.xml
> Test and verify:
> I carefully tested and verified the patch before commit the issue.
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