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Posted to dev@ranger.apache.org by "Qiang Zhang (JIRA)" <ji...@apache.org> on 2017/03/17 01:23:41 UTC
[jira] [Resolved] (RANGER-1415) 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/.
[ https://issues.apache.org/jira/browse/RANGER-1415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Qiang Zhang resolved RANGER-1415.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.0.0
> 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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