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The method getHomeDirectory(Course) is undefined for the type DocumentManagerEx

Question asked by jcurrie on Aug 30, 2017
Latest reply on Sep 25, 2018 by rs0048203

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Hi,
I have had a few members of staff getting an error when using the document unpackager building block from OSCELOT.
I am not sure if it is anything to do with a change of java classes impacting on the building block but it seems to have only happened after moving to continuous deployment on Friday. I would look for changes in the documentation but I am not sure where to look now that we are on SaaS.
Are you able to advise me at all on what I can do to pinpoint the problem? The full error message is below.

Any help you could give me would be greatly appreciated.

Thanks,

Joe

Unable to compile class for JSP:

An error occurred at line: 157 in the jsp file: /modules/create_proc.jsp
The method getHomeDirectory(Course) is undefined for the type DocumentManagerEx
154: //BbFile bbfile = new BbFile(fullPath);
155:
156: //ContentFile cf = new ContentFile(bbfile);
157: String csLocation = ContentSystemServiceExFactory.getInstance().getDocumentManagerEx().getHomeDirectory( ctx.getCourse() );
158:
159: File tempFile = new File(FileUtils.getTempDirectory(), UuidFactory.createUuid());
160:
stacktrace:
For reference, the Error ID is b70c4962-ac55-4cc4-9309-89b205925add.

scott.hurrey Sep 15, 2017 5:12 PM

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Hiya Joe Currie

This is a private API, so not subject to the same protections as public ones. It appears that this one has moved:

ContentSystemServiceExFactory.getIntance().getNavigationManager().getHomeDirectory(...)

See the reply in context

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25 Replies

scott.hurrey Sep 15, 2017 5:12 PM
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Hiya Joe Currie

This is a private API, so not subject to the same protections as public ones. It appears that this one has moved:

ContentSystemServiceExFactory.getIntance().getNavigationManager().getHomeDirectory(...)
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- jcurrie @ scott.hurrey on Sep 18, 2017 7:53 AM
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  Hi Scott
  Thanks so much for getting back to me. It's all working nicely now. Is there anywhere that I can find out any of thse sorts of changes in the future? Or is it not possible due to it being a private api?
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  - cbell @ jcurrie on May 31, 2018 12:45 PM
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    Hi Joe,
    
    You say that "It's all working nicely now." what did you do to make it work?
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    - jcurrie @ cbell on Jun 6, 2018 10:34 AM
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      Hi Tami Regulski,
      My apologies for not getting back to you sooner.
      
      I changed the line which gave me the problem:
      String csLocation = ContentSystemServiceExFactory.getInstance().getDocumentManagerEx().getHomeDirectory( ctx.getCourse() );
      to:
      String csLocation = ContentSystemServiceExFactory.getInstance().getNavigationManagerEx().getHomeDirectory( ctx.getCourse() );
      Once i uploaded the B2 back into Blackboard it started working as it should have done originally.
      
      I hope that helps.
      Thanks,
      Joe
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      - cbell @ jcurrie on Jun 6, 2018 10:40 AM
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        Thank you for replying. What did you use to edit that?
        
        Tamara Regulski
        
        Binghamton University
        
        Information Technology Services
        
        LMS Support Specialist
        
        777-6145
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        jcurrie @ cbell on Jun 6, 2018 10:48 AM
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        I just used notepad++.
        As i had the original B2, i unpackaged it into a folder then opened the file i had problems with in notepad++. After i made the change and saved it, I zipped the files back up then uploaded the updated building block.
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        cbell @ jcurrie on Jun 6, 2018 11:00 AM
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        Great, I was hoping you would say that but you mention "unpackaging" it
        into a folder. Everytime I open the .war in Notepad ++ it is encoded and I
        can't get it to english. So I was hoping I could do it but now think maybe
        I can't without more help.
        
        Tamara Regulski
        
        Binghamton University
        
        Information Technology Services
        
        LMS Support Specialist
        
        777-6145
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        jcurrie @ cbell on Jun 6, 2018 1:15 PM
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        I use 7-zip which lets you open up .war files. Once installed, you just need to right click on the war file then under the 7-zip options "choose unpackage to" and choose the location. This will put all the files where you can open them individually.
        If you still have problems, let me know and I can do a quick video for you once I'm back in the office tomorrow.
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        cbell @ jcurrie on Jun 6, 2018 1:37 PM
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        It's me again. Now I'm at a loss of how to re-create the .war file. 7 Zip
        doesn't allow for me to package all of that back up into a .war file.
        
        Tamara Regulski
        
        Binghamton University
        
        Information Technology Services
        
        LMS Support Specialist
        
        777-6145
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        jcurrie @ cbell on Jun 7, 2018 1:57 AM
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        Hi Tami,
        Just pop it into a zip file. It's what I normally do and don't have any problems
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        cbell @ jcurrie on Jun 13, 2018 5:02 PM
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        Just using 7-zip to package it all back up to install it sounded much to good to be true and it was. This didn't work. It gives an error stating that "No manifest file was found in Web-inf when the manifest file is there in that folder. I also found "DocumentManager" in several places in the Building Block how it is that only changing it in the one place and using 7-zip to just re-zip it up after you edited the code made this building block work for you. I'm at a loss really.
        
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        jcurrie @ cbell on Jun 14, 2018 1:58 AM
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        I have had similar issues before which were because of zipping the folder rather than all the files (zipping a level to high). Could you send me the original B2 and I can try making the changes for you and zip it up? I'll do a wee video of how I do it too if that would be helpful. I wouldn't be able to test it myself though as I am on a SaaS deployment, but can send you the zip file back.
        My email is jcurrie@qmu.ac.uk
        Thanks,
        Joe
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        cbell @ jcurrie on Jun 14, 2018 7:26 AM
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        Thank you I will share it through Google drive in a couple of hours. It’s
        7am I’m just getting around. Good morning and good night. I Hope you had a
        good day!
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        cbell @ jcurrie on Jun 14, 2018 12:55 PM
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        Ok, I attached that here first to see if it will go.
        
        Tamara Regulski
        
        Binghamton University
        
        Information Technology Services
        
        LMS Support Specialist
        
        777-6145
        
        On Thu, Jun 14, 2018 at 7:25 AM, Tamara L Regulski <regulski@binghamton.edu>
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js0044405 Sep 25, 2018 12:17 PM
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I am able to unpackage the WAR file, but there are a ton of files contained inside. Which is the exact file you all are editing?
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- cbell @ js0044405 on Sep 25, 2018 1:48 PM
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  Hi Joe, That line of code is located in the "create_proc.jsp" file within the Document Unpackager buidling block.
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  - js0044405 @ cbell on Sep 25, 2018 2:00 PM
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    Tami - Can you explain how you re-packaged it as a WAR file? I am also having issues uploading the ZIP file.
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    - cbell @ js0044405 on Sep 25, 2018 2:11 PM
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      Hi Joe,
      
      The Building Block upload will take a .zip. What I found I was doing was
      zipping it up at the wrong level in the folder hierarchy. The first time I
      tried, I zipped the folder "DocUnpackager", when instead I should have gone
      inside of that folder, selected the 6 items there and .zipped that. I've
      since done this and have been able to upload the Building Block. I hope
      this helps.
      
      Tamara Regulski
      
      Binghamton University
      
      Information Technology Services
      
      LMS Support Specialist
      
      777-6145
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      - js0044405 @ cbell on Sep 25, 2018 2:25 PM
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        Thanks. I uploaded the B2 but the error persists. Any suggestions?
        
        Joe
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        cbell @ js0044405 on Sep 25, 2018 2:30 PM
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        I have none. This is the same point I am at right now as well. I had to
        stop working on this earlier this summer and your inquiry prompted me to
        look at it again. I am at this exact point except I removed the 'Ex' in
        "GetNavigationManagerEx" because the first reply to this discussion did not
        have the Ex in their response. However, a second error in line 164 has now
        come up and I am trying to find a way to fix that one.
        
        Tamara Regulski
        
        Binghamton University
        
        Information Technology Services
        
        LMS Support Specialist
        
        777-6145
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      - js0044405 @ cbell on Sep 25, 2018 2:27 PM
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        Here is the error I am getting:
        An error occurred at line: 157 in the jsp file: /modules/create_proc.jsp
        The method getNavigationManagerEx() is undefined for the type ContentSystemServiceEx
        154: //BbFile bbfile = new BbFile(fullPath);
        155:
        156: //ContentFile cf = new ContentFile(bbfile);
        157: String csLocation = ContentSystemServiceExFactory.getInstance().getNavigationManagerEx().getHomeDirectory( ctx.getCourse() );
        158:
        159: File tempFile = new File(FileUtils.getTempDirectory(), UuidFactory.createUuid());
        160:
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        cbell @ js0044405 on Sep 25, 2018 2:31 PM
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        I want to get the system re-started too as you should restart after
        uploading building blocks.
        
        Tamara Regulski
        
        Binghamton University
        
        Information Technology Services
        
        LMS Support Specialist
        
        777-6145
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rs0048203 Sep 25, 2018 2:38 PM
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What Bb Release?
Check Building Block API Documentation with your Bb release to confirm that all these APIs are public.
Not So Private
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- js0044405 @ rs0048203 on Sep 25, 2018 2:40 PM
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  Q2 2018 CU2. What does public vs private mean?
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rs0048203 Sep 25, 2018 2:50 PM
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If an API is not shown in the publicly available documentation, it is not a public API and it's use is not supported.
Q2 2018 CU2 have the same Building Block APIs as Q2 2018 (aka 3400.0.0)
All Bulding Block APIs should be listed in All Classes window Building Blocks API 3400.0.0
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The method getHomeDirectory(Course) is undefined for the type DocumentManagerEx

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