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• Problem trying to achieve a join using the `comments` contrib in Django

  - by NiKo

  Hi, Django rookie here. I have this model, comments are managed with the django_comments contrib: class Fortune(models.Model): author = models.CharField(max_length=45, blank=False) title = models.CharField(max_length=200, blank=False) slug = models.SlugField(_('slug'), db_index=True, max_length=255, unique_for_date='pub_date') content = models.TextField(blank=False) pub_date = models.DateTimeField(_('published date'), db_index=True, default=datetime.now()) votes = models.IntegerField(default=0) comments = generic.GenericRelation( Comment, content_type_field='content_type', object_id_field='object_pk' ) I want to retrieve Fortune objects with a supplementary nb_comments value for each, counting their respectve number of comments ; I try this query: >>> Fortune.objects.annotate(nb_comments=models.Count('comments')) From the shell: >>> from django_fortunes.models import Fortune >>> from django.db.models import Count >>> Fortune.objects.annotate(nb_comments=Count('comments')) [<Fortune: My first fortune, from NiKo>, <Fortune: Another One, from Dude>, <Fortune: A funny one, from NiKo>] >>> from django.db import connection >>> connection.queries.pop() {'time': '0.000', 'sql': u'SELECT "django_fortunes_fortune"."id", "django_fortunes_fortune"."author", "django_fortunes_fortune"."title", "django_fortunes_fortune"."slug", "django_fortunes_fortune"."content", "django_fortunes_fortune"."pub_date", "django_fortunes_fortune"."votes", COUNT("django_comments"."id") AS "nb_comments" FROM "django_fortunes_fortune" LEFT OUTER JOIN "django_comments" ON ("django_fortunes_fortune"."id" = "django_comments"."object_pk") GROUP BY "django_fortunes_fortune"."id", "django_fortunes_fortune"."author", "django_fortunes_fortune"."title", "django_fortunes_fortune"."slug", "django_fortunes_fortune"."content", "django_fortunes_fortune"."pub_date", "django_fortunes_fortune"."votes" LIMIT 21'} Below is the properly formatted sql query: SELECT "django_fortunes_fortune"."id", "django_fortunes_fortune"."author", "django_fortunes_fortune"."title", "django_fortunes_fortune"."slug", "django_fortunes_fortune"."content", "django_fortunes_fortune"."pub_date", "django_fortunes_fortune"."votes", COUNT("django_comments"."id") AS "nb_comments" FROM "django_fortunes_fortune" LEFT OUTER JOIN "django_comments" ON ("django_fortunes_fortune"."id" = "django_comments"."object_pk") GROUP BY "django_fortunes_fortune"."id", "django_fortunes_fortune"."author", "django_fortunes_fortune"."title", "django_fortunes_fortune"."slug", "django_fortunes_fortune"."content", "django_fortunes_fortune"."pub_date", "django_fortunes_fortune"."votes" LIMIT 21 Can you spot the problem? Django won't LEFT JOIN the django_comments table with the content_type data (which contains a reference to the fortune one). This is the kind of query I'd like to be able to generate using the ORM: SELECT "django_fortunes_fortune"."id", "django_fortunes_fortune"."author", "django_fortunes_fortune"."title", COUNT("django_comments"."id") AS "nb_comments" FROM "django_fortunes_fortune" LEFT OUTER JOIN "django_comments" ON ("django_fortunes_fortune"."id" = "django_comments"."object_pk") LEFT OUTER JOIN "django_content_type" ON ("django_comments"."content_type_id" = "django_content_type"."id") GROUP BY "django_fortunes_fortune"."id", "django_fortunes_fortune"."author", "django_fortunes_fortune"."title", "django_fortunes_fortune"."slug", "django_fortunes_fortune"."content", "django_fortunes_fortune"."pub_date", "django_fortunes_fortune"."votes" LIMIT 21 But I don't manage to do it, so help from Django veterans would be much appreciated :) Hint: I'm using Django 1.2-DEV Thanks in advance for your help.

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• Slow queries in Rails- not sure if my indexes are being used.

  - by Max Williams

  I'm doing a quite complicated find with lots of includes, which rails is splitting into a sequence of discrete queries rather than do a single big join. The queries are really slow - my dataset isn't massive, with none of the tables having more than a few thousand records. I have indexed all of the fields which are examined in the queries but i'm worried that the indexes aren't helping for some reason: i installed a plugin called "query_reviewer" which looks at the queries used to build a page, and lists problems with them. This states that indexes AREN'T being used, and it features the results of calling 'explain' on the query, which lists various problems. Here's an example find call: Question.paginate(:all, {:page=>1, :include=>[:answers, :quizzes, :subject, {:taggings=>:tag}, {:gradings=>[:age_group, :difficulty]}], :conditions=>["((questions.subject_id = ?) or (questions.subject_id = ? and tags.name = ?))", "1", 19, "English"], :order=>"subjects.name, (gradings.difficulty_id is null), gradings.age_group_id, gradings.difficulty_id", :per_page=>30}) And here are the generated sql queries: SELECT DISTINCT `questions`.id FROM `questions` LEFT OUTER JOIN `taggings` ON `taggings`.taggable_id = `questions`.id AND `taggings`.taggable_type = 'Question' LEFT OUTER JOIN `tags` ON `tags`.id = `taggings`.tag_id LEFT OUTER JOIN `subjects` ON `subjects`.id = `questions`.subject_id LEFT OUTER JOIN `gradings` ON gradings.question_id = questions.id WHERE (((questions.subject_id = '1') or (questions.subject_id = 19 and tags.name = 'English'))) ORDER BY subjects.name, (gradings.difficulty_id is null), gradings.age_group_id, gradings.difficulty_id LIMIT 0, 30 SELECT `questions`.`id` AS t0_r0 <..etc...> FROM `questions` LEFT OUTER JOIN `answers` ON answers.question_id = questions.id LEFT OUTER JOIN `quiz_questions` ON (`questions`.`id` = `quiz_questions`.`question_id`) LEFT OUTER JOIN `quizzes` ON (`quizzes`.`id` = `quiz_questions`.`quiz_id`) LEFT OUTER JOIN `subjects` ON `subjects`.id = `questions`.subject_id LEFT OUTER JOIN `taggings` ON `taggings`.taggable_id = `questions`.id AND `taggings`.taggable_type = 'Question' LEFT OUTER JOIN `tags` ON `tags`.id = `taggings`.tag_id LEFT OUTER JOIN `gradings` ON gradings.question_id = questions.id LEFT OUTER JOIN `age_groups` ON `age_groups`.id = `gradings`.age_group_id LEFT OUTER JOIN `difficulties` ON `difficulties`.id = `gradings`.difficulty_id WHERE (((questions.subject_id = '1') or (questions.subject_id = 19 and tags.name = 'English'))) AND `questions`.id IN (602, 634, 666, 698, 730, 762, 613, 645, 677, 709, 741, 592, 624, 656, 688, 720, 752, 603, 635, 667, 699, 731, 763, 614, 646, 678, 710, 742, 593, 625) ORDER BY subjects.name, (gradings.difficulty_id is null), gradings.age_group_id, gradings.difficulty_id SELECT count(DISTINCT `questions`.id) AS count_all FROM `questions` LEFT OUTER JOIN `answers` ON answers.question_id = questions.id LEFT OUTER JOIN `quiz_questions` ON (`questions`.`id` = `quiz_questions`.`question_id`) LEFT OUTER JOIN `quizzes` ON (`quizzes`.`id` = `quiz_questions`.`quiz_id`) LEFT OUTER JOIN `subjects` ON `subjects`.id = `questions`.subject_id LEFT OUTER JOIN `taggings` ON `taggings`.taggable_id = `questions`.id AND `taggings`.taggable_type = 'Question' LEFT OUTER JOIN `tags` ON `tags`.id = `taggings`.tag_id LEFT OUTER JOIN `gradings` ON gradings.question_id = questions.id LEFT OUTER JOIN `age_groups` ON `age_groups`.id = `gradings`.age_group_id LEFT OUTER JOIN `difficulties` ON `difficulties`.id = `gradings`.difficulty_id WHERE (((questions.subject_id = '1') or (questions.subject_id = 19 and tags.name = 'English'))) Actually, looking at these all nicely formatted here, there's a crazy amount of joining going on here. This can't be optimal surely. Anyway, it looks like i have two questions. 1) I have an index on each of the ids and foreign key fields referred to here. The second of the above queries is the slowest, and calling explain on it (doing it directly in mysql) gives me the following: +----+-------------+----------------+--------+---------------------------------------------------------------------------------+-------------------------------------------------+---------+------------------------------------------------+------+----------------------------------------------+ | id | select_type | table | type | possible_keys | key | key_len | ref | rows | Extra | +----+-------------+----------------+--------+---------------------------------------------------------------------------------+-------------------------------------------------+---------+------------------------------------------------+------+----------------------------------------------+ | 1 | SIMPLE | questions | range | PRIMARY,index_questions_on_subject_id | PRIMARY | 4 | NULL | 30 | Using where; Using temporary; Using filesort | | 1 | SIMPLE | answers | ref | index_answers_on_question_id | index_answers_on_question_id | 5 | millionaire_development.questions.id | 2 | | | 1 | SIMPLE | quiz_questions | ref | index_quiz_questions_on_question_id | index_quiz_questions_on_question_id | 5 | millionaire_development.questions.id | 1 | | | 1 | SIMPLE | quizzes | eq_ref | PRIMARY | PRIMARY | 4 | millionaire_development.quiz_questions.quiz_id | 1 | | | 1 | SIMPLE | subjects | eq_ref | PRIMARY | PRIMARY | 4 | millionaire_development.questions.subject_id | 1 | | | 1 | SIMPLE | taggings | ref | index_taggings_on_taggable_id_and_taggable_type,index_taggings_on_taggable_type | index_taggings_on_taggable_id_and_taggable_type | 263 | millionaire_development.questions.id,const | 1 | | | 1 | SIMPLE | tags | eq_ref | PRIMARY | PRIMARY | 4 | millionaire_development.taggings.tag_id | 1 | Using where | | 1 | SIMPLE | gradings | ref | index_gradings_on_question_id | index_gradings_on_question_id | 5 | millionaire_development.questions.id | 2 | | | 1 | SIMPLE | age_groups | eq_ref | PRIMARY | PRIMARY | 4 | millionaire_development.gradings.age_group_id | 1 | | | 1 | SIMPLE | difficulties | eq_ref | PRIMARY | PRIMARY | 4 | millionaire_development.gradings.difficulty_id | 1 | | +----+-------------+----------------+--------+---------------------------------------------------------------------------------+-------------------------------------------------+---------+------------------------------------------------+------+----------------------------------------------+ The query_reviewer plugin has this to say about it - it lists several problems: Table questions: Using temporary table, Long key length (263), Using filesort MySQL must do an extra pass to find out how to retrieve the rows in sorted order. To resolve the query, MySQL needs to create a temporary table to hold the result. The key used for the index was rather long, potentially affecting indices in memory 2) It looks like rails isn't splitting this find up in a very optimal way. Is it, do you think? Am i better off doing several find queries manually rather than one big combined one? Grateful for any advice, max

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• Can't join OS X Mavericks to AD Domain

  - by watkipet

  I'm attempting to join an OS X Mavericks (10.9) client to a Windows Server 2008 Active Directory domain, however the bind fails with this error in the OS X client's system.log: Oct 24 15:03:15 host.domain.com com.apple.preferences.users.remoteservice[5547]: -[ODCAddServerSheetController handleOtherActionError: gotError: Error Domain=com.apple.OpenDirectory Code=5202 "Authentication server encountered an error while attempting the requested operation." UserInfo=0x7f9e6cb3e180 {NSLocalizedDescription=Authentication server encountered an error while attempting the requested operation., NSLocalizedFailureReason=Authentication server encountered an error while attempting the requested operation.}, Authentication server encountered an error while attempting the requested operation. I've joined (bound) Ubuntu Linux clients to the same domain with net ads join in the past with no problems (using the same administrative user). I don't have access to any server logs. Here's the GUI error (from Directory Utility) on the OS X client: Here's the GUI error (from User's and Groups) in System Preferences on the OS X client: Update After some Wiresharking I've got some more info: OS X Client - KDC (over UDP): AS_REQ (no padata) OS X Client <- KDC (over UDP): KRB5KDC_ERR_PREAUTH_REQUIRED OS X Client - KDC (over UDP): AS_REQ (this time with PA-ENC-TIMESTAMP in padata) OS X Client <- KDC (over UDP): KRB5KDC_ERR_RESPONSE_TOO_BIG OS X Client - KDC (over TCP): AS_REQ (also with PA-ENC-TIMESTAMP in padata) OS X Client <- KDC (over TCP): KDC_ERR_ETYPE_NOSUPP ...and that's it. This is what I think is going on: The OS X client sends a kerberos request. The KDC says, "You need to pre-authenticate. Try again" The OS X client tries to pre-authenticate (all this so far is over UDP) Something gets lost on our network and the KDC says, "Oops something went wrong" The OS X client switches to TCP and tries again. Over TCP, the KDC says, "You're using an encryption type I don't support" Note that in its padata records, the OS X client is always using "aes256-cts-hmac-sha1-96" as its encryption type. However, in its KDC_REQ_BODY record it lists the aes256-cts-hmac-sha1-96, aes128-cts-hmac-sha1-96, des3-cbc-sha1, and rc4-hmac encryption types. When the KDC comes back with KDC_ERR_ETYPE_NOSUPP, it uses rc4-hmac as its encryption type in its padata record. I know next to nothing about Kerberos, but it seems to me that the OS X client should go ahead and try the rc4-hmac encryption type. However, it does nothing after this. Update 2 Here's the debug log from Directory Services on the OS X client. Sorry--it's long. 2013-10-25 14:19:13.219128 PDT - 10544.20463 - ODNodeCustomCall request, NodeID: 52A65FAE-4B24-455D-86EC-2199A780D234, Code: 80 2013-10-25 14:19:13.220409 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - client requested OU - 'CN=Computers,DC=domain,DC=com' 2013-10-25 14:19:13.220427 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Binding using '[email protected]' for kerberos ID 2013-10-25 14:19:13.220571 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - new kerberos credential cache 'MEMORY:0x7fa713635470' for '[email protected]' 2013-10-25 14:19:13.220623 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: loop 1 2013-10-25 14:19:13.220639 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - KDC send 0 patypes 2013-10-25 14:19:13.220653 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - fast disabled, not doing any fast wrapping 2013-10-25 14:19:13.220699 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - Trying to find service kdc for realm DOMAIN.COM flags 0 2013-10-25 14:19:13.221275 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - submissing new requests to new host 2013-10-25 14:19:13.221326 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to host: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00000001 2013-10-25 14:19:13.221373 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - writing packet: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00000001 2013-10-25 14:19:13.222588 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - reading packet: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00000001 2013-10-25 14:19:13.222617 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - host completed: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00000001 2013-10-25 14:19:13.222665 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_sendto_context DOMAIN.COM done: 0 hosts 1 packets 1 wc: 0.001960 nr: 0.000000 kh: 0.000560 tid: 00000001 2013-10-25 14:19:13.222705 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: loop 2 2013-10-25 14:19:13.222737 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: processing input 2013-10-25 14:19:13.222752 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: got an KRB-ERROR from KDC 2013-10-25 14:19:13.222775 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: KRB-ERROR -1765328359/Additional pre-authentication required 2013-10-25 14:19:13.222791 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - KDC send 4 patypes 2013-10-25 14:19:13.222800 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - KDC send PA-DATA type: 19 2013-10-25 14:19:13.222808 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - KDC send PA-DATA type: 2 2013-10-25 14:19:13.222816 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - KDC send PA-DATA type: 16 2013-10-25 14:19:13.222825 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - KDC send PA-DATA type: 15 2013-10-25 14:19:13.222840 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: using ENC-TS with enctype 18 2013-10-25 14:19:13.222850 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: using default_s2k_func 2013-10-25 14:19:13.227443 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - fast disabled, not doing any fast wrapping 2013-10-25 14:19:13.227502 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - Trying to find service kdc for realm DOMAIN.COM flags 0 2013-10-25 14:19:13.228233 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - submissing new requests to new host 2013-10-25 14:19:13.228320 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to host: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00010001 2013-10-25 14:19:13.228374 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - writing packet: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00010001 2013-10-25 14:19:13.229930 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - reading packet: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00010001 2013-10-25 14:19:13.229957 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - host completed: udp 192.168.0.1:kerberos (192.168.0.1) tid: 00010001 2013-10-25 14:19:13.229975 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_sendto trying over again (reset): 0 2013-10-25 14:19:13.230023 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - Trying to find service kdc for realm DOMAIN.COM flags 2 2013-10-25 14:19:13.230664 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - submissing new requests to new host 2013-10-25 14:19:13.230726 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to host: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00010002 2013-10-25 14:19:13.230818 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to 11: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00010002 2013-10-25 14:19:13.231101 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - writing packet: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00010002 2013-10-25 14:19:13.232743 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - reading packet: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00010002 2013-10-25 14:19:13.232777 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - host completed: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00010002 2013-10-25 14:19:13.232798 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_sendto_context DOMAIN.COM done: 0 hosts 2 packets 2 wc: 0.005316 nr: 0.000000 kh: 0.001339 tid: 00010002 2013-10-25 14:19:13.232856 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: loop 3 2013-10-25 14:19:13.232868 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: processing input 2013-10-25 14:19:13.232900 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: using keyproc 2013-10-25 14:19:13.232910 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: using default_s2k_func 2013-10-25 14:19:13.236487 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: extracting ticket 2013-10-25 14:19:13.236557 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_init_creds: wc: 0.015944 2013-10-25 14:19:13.237022 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - Trying to find service kdc for realm DOMAIN.COM flags 2 2013-10-25 14:19:13.237444 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - submissing new requests to new host 2013-10-25 14:19:13.237482 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to host: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00020001 2013-10-25 14:19:13.237551 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to 11: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00020001 2013-10-25 14:19:13.237900 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - writing packet: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00020001 2013-10-25 14:19:13.238616 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - reading packet: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00020001 2013-10-25 14:19:13.238645 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - host completed: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00020001 2013-10-25 14:19:13.238674 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_sendto_context DOMAIN.COM done: 0 hosts 1 packets 1 wc: 0.001656 nr: 0.000000 kh: 0.000409 tid: 00020001 2013-10-25 14:19:13.238839 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - Trying to find service kdc for realm DOMAIN.COM flags 2 2013-10-25 14:19:13.239302 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - submissing new requests to new host 2013-10-25 14:19:13.239360 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to host: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00030001 2013-10-25 14:19:13.239429 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - connecting to 11: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00030001 2013-10-25 14:19:13.239683 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - writing packet: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00030001 2013-10-25 14:19:13.240350 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - reading packet: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00030001 2013-10-25 14:19:13.240387 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - host completed: tcp 192.168.0.1:kerberos (192.168.0.1) tid: 00030001 2013-10-25 14:19:13.240415 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_sendto_context DOMAIN.COM done: 0 hosts 1 packets 1 wc: 0.001578 nr: 0.000000 kh: 0.000445 tid: 00030001 2013-10-25 14:19:13.240514 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - krb5_credential - krb5_get_credentials_with_flags: DOMAIN.COM wc: 0.003615 2013-10-25 14:19:13.240537 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - valid credentials for [email protected] 2013-10-25 14:19:13.240541 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - switching to cache 'MEMORY:0x7fa713635470' 2013-10-25 14:19:13.240545 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - switching GSS to cache 'MEMORY:0x7fa713635470 2013-10-25 14:19:13.240555 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Bind Step 5 - Bind/Join computer to domain - 'domain.com' 2013-10-25 14:19:13.241345 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - resolving 'server.domain.com' 2013-10-25 14:19:13.241646 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - added socket 12 for host 'server.domain.com:389' address '192.168.0.2' to kqueue list 2013-10-25 14:19:13.241930 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Setting kerberos server for 'Kerberos:DOMAIN.COM' to 'server.domain.com' 2013-10-25 14:19:13.241962 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - switching to cache 'MEMORY:0x7fa713635470' 2013-10-25 14:19:13.241969 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - switching GSS to cache 'MEMORY:0x7fa713635470 2013-10-25 14:19:13.242231 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI allow Confidentiality 2013-10-25 14:19:13.242234 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - setting realm 'DOMAIN.COM' for node '/Active Directory/domain.com' 2013-10-25 14:19:13.242239 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI allow Integrity (signing) 2013-10-25 14:19:13.242274 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI using hostname 'server.domain.com' 2013-10-25 14:19:13.242282 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI using initiator credential '[email protected]' 2013-10-25 14:19:13.250771 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Authenticate to LDAP using Kerberos credential - 0 2013-10-25 14:19:13.250784 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - verified connectivity to '192.168.0.2' with socket 12 2013-10-25 14:19:13.251513 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - locating site using domain domain.com using CLDAP 2013-10-25 14:19:13.252145 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - using site of 'DOMAINGROUP' from CLDAP 2013-10-25 14:19:13.253626 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - resolving 'server2.domain.com' 2013-10-25 14:19:13.253933 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - added socket 13 for host 'server2.domain.com:389' address '192.168.0.1' to kqueue list 2013-10-25 14:19:13.254428 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Setting kerberos server for 'Kerberos:DOMAIN.COM' to 'server2.domain.com' 2013-10-25 14:19:13.254462 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - switching to cache 'MEMORY:0x7fa713635470' 2013-10-25 14:19:13.254468 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - switching GSS to cache 'MEMORY:0x7fa713635470 2013-10-25 14:19:13.254617 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - setting realm 'DOMAIN.COM' for node '/Active Directory/domain.com' 2013-10-25 14:19:13.254661 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI allow Confidentiality 2013-10-25 14:19:13.254670 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI allow Integrity (signing) 2013-10-25 14:19:13.254689 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI using hostname 'server2.domain.com' 2013-10-25 14:19:13.254695 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - GSSAPI using initiator credential '[email protected]' 2013-10-25 14:19:13.262092 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Authenticate to LDAP using Kerberos credential - 0 2013-10-25 14:19:13.262108 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - verified connectivity to '192.168.0.1' with socket 13 2013-10-25 14:19:13.262982 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Computer account either already exists or DC is already Read/Write 2013-10-25 14:19:13.264968 PDT - 10544.20463, Node: /Active Directory, Module: ActiveDirectory - Adding record 'cn=spike,CN=Computers,DC=domain,DC=com' in 'domain.com' The failure point seems to be Computer account either already exists or DC is already Read/Write, however, I can search for 'spike' on the Active Directory server using Active Directory Explorer and it's not there. If I do the same search for the Linux and Windows PCs I added previously, I can find them.

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• Command-line video editing in Linux (cut, join and preview)

  - by sdaau

  I have rather simple editing needs - I need to cut up some videos, maybe insert some PNGs in between them, and join these videos (don't need transitions, effects, etc.). Basically, pitivi would do what I want - except, I use 640x480 30 fps AVI's from a camera, and as soon as I put in over a couple of minutes of that kind of material, pitivi starts freezing on preview, and thus becomes unusable. So, I started looking for a command line tool for Linux; I guess only ffmpeg (command line - Using ffmpeg to cut up video - Super User) and mplayer (Sam - Edit video file with mencoder under linux) are so far candidates, but I cannot find examples of the use I have in mind.   Basically, I'd imagine there's an encoder and player tools (like ffmpeg vs ffplay; or mencoder vs mplayer) - such that, to begin with, the edit sequence could be specified directly on the command line, preferably with frame resolution - a pseudocode would look like: videnctool -compose --file=vid1.avi --start=00:00:30:12 --end=00:01:45:00 --file=vid2.avi --start=00:05:00:00 --end=00:07:12:25 --file=mypicture.png --duration=00:00:02:00 --file=vid3.avi --start=00:02:00:00 --end=00:02:45:10 --output=editedvid.avi ... or, it could have a "playlist" text file, like: vid1.avi 00:00:30:12 00:01:45:00 vid2.avi 00:05:00:00 00:07:12:25 mypicture.png - 00:00:02:00 vid3.avi 00:02:00:00 00:02:45:10 ... so it could be called with videnctool -compose --playlist=playlist.txt --output=editedvid.avi The idea here would be that all of the videos are in the same format - allowing the tool to avoid transcoding, and just do a "raw copy" instead (as in mencoder's copy codec: "-oac copy -ovc copy") - or in lack of that, uncompressed audio/video would be OK (although it would eat a bit of space). In the case of the still image, the tool would use the encoding set by the video files.   The thing is, I can so far see that mencoder and ffmpeg can operate on individual files; e.g. cut a single section from a single file, or join files (mencoder also has Edit Decision Lists (EDL), which can be used to do frame-exact cutting - so you can define multiple cut regions, but it's again attributed to a single file). Which implies I have to work on cutting pieces first from individual files first (each of which would demand own temporary file on disk), and then joining them in a final video file. I would then imagine, that there is a corresponding player tool, which can read the same command line option format / playlist file as the encoding tool - except it will not generate an output file, but instead play the video; e.g. in pseudocode: vidplaytool --playlist=playlist.txt --start=00:01:14 --end=00:03:13 ... and, given there's enough memory, it would generate a low-res video preview in RAM, and play it back in a window, while offering some limited interaction ( like mplayer's keyboard shortcuts for play, pause, rewind, step frame). Of course, I'd imagine the start and end times to refer to the entire playlist, and include any file that may end up in that region in the playlist. Thus, the end result of all this would be: command line operation; no temporary files while doing the editing - and also no temporary files (nor transcoding) when rendering final output... which I myself think would be nice. So, while I think that all of the above may be a bit of a stretch - does there exist anything that would approximate the workflow described above?

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• How do I join a channel on Freenode with Empathy?

  - by sadmicrowave

  I have empathy already installed but am not sure how to configure it to join the channel at http://www.ape-project.org. I do not have a password or login name yet to properly configure the channel with Empathy and when I click "Join our IRC Channel" firefox comes back with an error stating: Firefox doesn't know how to open this address, because the protocol (irc) isn't associated with any program. What can I do to join this (freenode) channel? UPDATE 1 Using Empathy Version 2.23.1 When viewing accounts click "Add..." Protocol: "IRC" Network: "freenode" create new nickname, password, and real name. Then went back to ape-project.org link and click "Join our IRC Channel" again. It brings my Empathy contact list to the foreground but nothing happens...

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• Hash Join require Full Table Scan

  - by Pedro Magalhaes

  So, I want to know if to make a Hash Join between two tables is necessary to make a full table scan on the collumns? If i want to join COL1 wiht COL2, and COL1 is smaller, the It makes a full scan in COL1 creating a Hashmap then makes a full scan in COL2 using the sabe hash function. Is this correct?

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• JSP/Servlet CRUD form with special input field based on join table relationship

  - by user1701467

  There's database with a bunch of tables that are joined with join tables. E.g. Members and Division are joined with MembersDivisions table. JSP/Servlet login functionality has been developed, but now the CRUD functionality needs to be implemented and I was unable to find any tutorials about it, especially involving the join table(when creating new division you can add members to it, or add more to the existing one). Maybe someone could, theoretically, explain how to do the Division part of the CRUD web form?

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• SQL: Join vs. subquery

  - by Col. Shrapnel

  I am an old-school MySQL user and always preferred JOIN over sub-query. But nowadays everyone uses sub-query and I hate it, dunno why. Though I've lack of theoretical knowledge to judge myself if there are any difference. Well, I am curious if sub-query as good as join and there is no thing to worry about?

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• SQL Select table1.columa as table1.columb

  - by Lukas Oppermann

  I am working on a database join and I want to do the following: Select tabel_one.id, tabel_one.title, tabel_one.content, table_two.value as table_two.key from tabel_one Join table_two ON table_two.id = table_one.id .... The Important part is: table_two.value as table_two.key Is there a way this could work?

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• convert sql to linq sample

  - by Jeroen Breuer

  Hello, I've got a sql statement, but I can't get it working in linq. Can someone show me how I can write the following sql statement as linq? SELECT * FROM mobileApplication LEFT JOIN videoMobile ON mobileApplication.id = videoMobile.mobileApplicationId AND videoMobile.videoId = 257 It's a left join with a where statement on the right table. It works in sql server 2005, but I'd like to write it in linq.

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• Cross Join 'n' times a table

  - by SDReyes

  It is possible to write a generic function/procedure/select/somethingElse to cross-join a table against himself 'n' times? (yes, 'n' is a given parameter : ) How would you do it? Example Having this table: Value ------- 1 2 3 cross join it 2 times, would return: Value | Value ------------------ 1 1 1 2 1 3 2 1 2 2 2 3 3 1 3 2 3 3

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• i have some problem with left join JPQL

  - by Dora

  there is something wrong with ths way i use left join, and i dont understand what am i doing wrong. can you see it? select distinct r.globalRuleId, r.ruleId, sv.validFrom, pm.moduleId, nvl(min(rai.failedOnRegistration),0) from TRules r, TSlaVersions sv, TModuleFormulas mv, TPendingModule pm, left join TRulesAdditionalInfo rai on r.ruleId = rai.ruleId where r.slaVersionId = sv.slaVersionId and r.formulaId = mv.pk.formulaId and mv.pk.moduleId = pm.moduleId group by r.globalRuleId, r.ruleId, sv.validFrom, pm.moduleId order by pm.moduleId

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• Join tables to get sold products

  - by latvian

  Hi, I am joining two tables 'sales/order_item_collection' and 'sales/orders' by 'order_id', so that afterward i can filter sold products by 'store_id' and 'product_name' Here is the code: $orderTable = Mage::getSingleton('core/resource')-getTableName('sales/order'); $itemsCollection= Mage::getResourceModel('sales/order_item_collection') -join(array('ord'=$orderTable),'e.order_id = ord.entity_id'); Why is this join not working? Thank you

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• SQL Server Update with left join and group by having

  - by Marty Trenouth

  I'm making an update to our datbase and would like to update rows that do not have existing items in another table. I can join the tables together, but am having trouble grouping the table to get a count of the number of rows UPDATE dpt SET dpt.active = 0 FROM DEPARTMENT dpt LEFT JOIN DOCUMENTS doc on dpt.ID = doc.DepartmentID GROUP BY dpt.ID HAVING COUNT(doc.ID) = 0 What should I be doing?

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• linq join query

  - by SamB09

  Hi, im trying to do a join in linq , however for some reason i cant access the primary key of a table. It's the 'h.ProjectId' that doesn't seem to be accepted. The following error is given CW1.SearchWebService.Bid does not contain a definition for 'ProjectId' and no extention method 'ProjectId' accepting a first argument of type 'CW1SearchWebService.Bid' var allProjects = ctxt.Project.ToList() ; var allBids = ctxt.Bid.ToArray();// return all bids var projects = (from project in allProjects join h in allBids on project.ProjectId equals h.ProjectId

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• Using subselect to accomplish LEFT JOIN

  - by Andre

  Is is possible to accomplish the equivalent of a LEFT JOIN with subselect where multiple columns are required. Here's what I mean. SELECT m.*, (SELECT * FROM model WHERE id = m.id LIMIT 1) AS models FROM make m As it stands now doing this gives me a 'Operand should contain 1 column(s)' error. Yes I know this is possible with LEFT JOIN, but I was told it was possible with subselect to I'm curious as to how it's done.

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• Advanced count and join in Rails

  - by trobrock

  I am try to find the top n number of categories as they relate to articles, there is a habtm relationship set up between the two. This is the SQL I want to execute, but am unsure of how to do this with ActiveRecord, aside from using the find_by_sql method. is there any way of doing this with ActiveRecord methods: SELECT "categories".id, "categories".name, count("articles".id) as counter FROM "categories" JOIN "articles_categories" ON "articles_categories".category_id = "categories".id JOIN "articles" ON "articles".id = "articles_categories".article_id GROUP BY "categories".id ORDER BY counter DESC LIMIT 5;

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• Using a join model to relate a model to itself

  - by Gabe Hollombe

  I have two models: User MentoringRelationship MentoringRelationship is a join model that has a mentor_id column and a mentee_id column (both of these reference user_ids from the users table). How can I specify a relation called 'mentees' on the User class that will return all of the users mentored by this user, using the MentoringRelationships join table? What relations do we need to declare in the User model and in the MentoringRelationship model?

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• Nhibernate - Getting Exception when run a simple join query

  - by Muhammad Akhtar

  hi, I am getting issue when I run sql Query having inner join, here is what I am doing very simple ISession session = NHibernateHelper.GetCurrentSession(); string query = string.Format("select Documents.TypeId from Documents inner join DocumentTrackingItems on Documents.Id = DocumentTrackingItems.DocumentId WHERE DocumentTrackingItems.ItemStepId = {0} order by Documents.TypeId asc", 13); System.Collections.ArrayList document = (System.Collections.ArrayList)session.CreateSQLQuery(query, "document", typeof(Document)).List(); I am getting this exception Exception Details: System.IndexOutOfRangeException: Id what's wrong in my query? --- thanks

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• Insert a Join Statement - (Insert Data to Multiple Tables) - C#/SQL/T-SQL/.NET

  - by peace

  I have a Winform that has fields need to be filled by a user. All the fields doesn't belong to one table, the data will go to Customer table and CustomerPhone table, so i decided to do multiple inserts. I will insert appropriate data to CustomerPhone first then Insert the rest data to Customer table. Is it possible to Join an Insert OR Insert a Join? If show me a rough sample, i will be grateful. Many Thanks

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• MySQL database query returns empty result

  - by user1791096

  I am doing a data migration and getting empty result of simple query with one join. Following is the query Select * from users u INNER JOIN temp_users tu ON tu.uid = u.uid There hundreds of records which have same uid in both tables, but this query returns only one record. Following is the structure of tables users table uid: varchar(50) utf8_general_ci Yes NULL temp_users table uid: varchar(50) utf8_general_ci Yes NULL Is there anyone who faced same problem?

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• SQL - Outer Join 2 queries?

  - by Stuav

  I have two querys. Query 1 gives me this result: Day New_Users 01-Jan-12 45 02-Jan-12 36 and so on. Query 2 gives me this result: Day Retained_Users 01-Jan-12 33 02-Jan-12 30 and so on. I want a new query that will join this together and read: Day New_Users Retained_Users 01-Jan-12 45 33 02-Jan-12 36 30 Do I use some sort of outer join?

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• Hibernate custom join clause on association

  - by myso

  I would like to associate 2 entities using hibernate annotations with a custom join clause. The clause is on the usual FK/PK equality, but also where the FK is null. In SQL this would be something like: join b on a.id = b.a_id or b.a_id is null From what I have read I should use the @WhereJoinTable annotation on the owner entity, but I'm puzzled about how I specify this condition...especially the first part of it - referring to the joining entity's id. Does anyone have an example?

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• Left Outer Join on Many-to-One Mapping

  - by Colin Bowern

  I have a reference to call that may or may not be there. When I add the nullable option it still doing Inner Join when I want an Outer Left Join (show the left even if the right is null). Is this possible in the NH map? References(x => x.DefaultCategory, "CATEGORY_ID") .Nullable();

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• How can I write Join statements on dataset..

  - by Preetham

  How can I write Join statements on dataset.. I have data in xml format..I can load that data into a dataset.. but how do i fetch data from two datatables using a join query

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