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<p class="MsoNormal"><span style="color:#1F497D">Thanks all for the help.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I get help from IRC, and now I have solved my issues:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo7"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D">The reason after I update horizon and the “Data Processing” panel do not work is because I missed a step for horizon to work.<o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#1F497D">The correct step to update horizon is:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo7">
<![if !supportLists]><span style="mso-list:Ignore">a.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>git pull origin master  (update horizon code)<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo7">
<![if !supportLists]><span style="mso-list:Ignore">b.<span style="font:7.0pt "Times New Roman"">     
</span></span><![endif]>python manage.py collectstatic<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo7">
<![if !supportLists]><span style="mso-list:Ignore">c.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>python manage.py compress<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo7">
<![if !supportLists]><span style="mso-list:Ignore">d.<span style="font:7.0pt "Times New Roman"">     
</span></span><![endif]>sudo service apache2 restart<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:1.0in"><o:p> </o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo7"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D">I can’t open “job_executions” page is due to bug:  <a href="https://bugs.launchpad.net/horizon/+bug/1376738">https://bugs.launchpad.net/horizon/+bug/1376738</a><o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#1F497D">It can be solved by patch
<a href="https://review.openstack.org/#/c/125927/">https://review.openstack.org/#/c/125927/</a><o:p></o:p></span></p>
<p class="MsoListParagraph"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo7"><![if !supportLists]><span style="color:#1F497D"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">      
</span></span></span><![endif]><span style="color:#1F497D">I can’t delete  “job” is because a job can only be deleted after all related “job_executions” deleted.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-chen<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Li, Chen [mailto:chen.li@intel.com]
<br>
<b>Sent:</b> Wednesday, March 18, 2015 11:05 AM<br>
<b>To:</b> OpenStack Development Mailing List (not for usage questions) (openstack-dev@lists.openstack.org)<br>
<b>Subject:</b> [openstack-dev] [Sahara][Horizon] Can't open "Data Processing" panel after update sahara & horizon<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m working under Ubuntu14.04 with devstack.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">After the fresh devstack installation, I run a integration test to test the environment.<o:p></o:p></p>
<p class="MsoNormal">After the test, cluster and tested edp jobs remains in my environment.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Then I updated sahara to the lasted code.<o:p></o:p></p>
<p class="MsoNormal">To make the newest code work, I also did :<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l2 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>manually download python-novaclient and by running “python setup.py install” to install it<o:p></o:p></p>
<p class="MsoListParagraph" style="margin-left:.25in;text-indent:-.25in;mso-list:l2 level1 lfo2">
<![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>run “sahara-db-manage --config-file /etc/sahara/sahara.conf upgrade head”<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Then I restarted sahara.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I tried to delete things remained from last test from dashboard, but  :<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>The table for “job_executions” can’t be opened anymore.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo4"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>When I try to delete “job”, an error happened:<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 ERROR oslo_db.sqlalchemy.exc_filters [-] DBAPIError exception wrapped from (IntegrityError) (1451, 'Cannot delete or update a parent row: a foreign key constraint fails (`sahara`.`job_executions`, CONSTRAINT `job_executions_ibfk_3`
 FOREIGN KEY (`job_id`) REFERENCES `jobs` (`id`))') 'DELETE FROM jobs WHERE jobs.id = %s' ('10c36a9b-a855-44b6-af60-0effee31efc9',)<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters Traceback (most recent call last):<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/base.py", line 951, in _execute_context<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters     context)<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters   File "/usr/local/lib/python2.7/dist-packages/sqlalchemy/engine/default.py", line 436, in do_execute<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters     cursor.execute(statement, parameters)<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters   File "/usr/lib/python2.7/dist-packages/MySQLdb/cursors.py", line 174, in execute<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters     self.errorhandler(self, exc, value)<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters   File "/usr/lib/python2.7/dist-packages/MySQLdb/connections.py", line 36, in defaulterrorhandler<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters     raise errorclass, errorvalue<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters IntegrityError: (1451, 'Cannot delete or update a parent row: a foreign key constraint fails (`sahara`.`job_executions`, CONSTRAINT `job_executions_ibfk_3` FOREIGN KEY (`job_id`)
 REFERENCES `jobs` (`id`))')<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.031 TRACE oslo_db.sqlalchemy.exc_filters<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.073 DEBUG sahara.openstack.common.periodic_task [-] Running periodic task SaharaPeriodicTasks.terminate_unneeded_transient_clusters from (pid=8084) run_periodic_tasks /opt/stack/sahara/sahara/openstack/common/periodic_task.py:219<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.073 DEBUG sahara.service.periodic [-] Terminating unneeded transient clusters from (pid=8084) terminate_unneeded_transient_clusters /opt/stack/sahara/sahara/service/periodic.py:131<o:p></o:p></p>
<p class="MsoNormal">2015-03-18 10:34:33.108 ERROR sahara.utils.api [-] Validation Error occurred: error_code=400, error_message=Job deletion failed on foreign key constraint<o:p></o:p></p>
<p class="MsoNormal">Error ID: e65b3fb1-b142-45a7-bc96-416efb14de84, error_name=DELETION_FAILED<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I assume this might be caused by an old horizon version, so I did :<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l3 level1 lfo6"><![if !supportLists]><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>update horizon code.<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l3 level1 lfo6"><![if !supportLists]><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>python manage.py compress<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l3 level1 lfo6"><![if !supportLists]><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>sudo python setup.py install<o:p></o:p></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l3 level1 lfo6"><![if !supportLists]><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">      
</span></span><![endif]>sudo service apache2 restart<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">But these only make things worse.<o:p></o:p></p>
<p class="MsoNormal">Now, when I click “Data Processing” on dashboard, there is no return action anymore.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone can help me here ?<o:p></o:p></p>
<p class="MsoNormal">What I did wrong ?<o:p></o:p></p>
<p class="MsoNormal">How can I fix this ?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I tested sahara CLI, command like “sahara job-list” & ”sahara job-delete” can still work.<o:p></o:p></p>
<p class="MsoNormal">So I guess sahara is working fine.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks.<o:p></o:p></p>
<p class="MsoNormal">-chen<o:p></o:p></p>
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