Demise of communities.opentext.com

RIP communities.opentext.com

Years of developer activity retired…. Just like that

How would a developer who does not have access to KB find anything informative?

Is that intentional?

Why wouldn’t  OT give out a fair warning to migrate content for content owners?

Much of code I kept for public consumption was here

So if anybody is looking for that write me I will try to find from local copies

 

 

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General Help Series 7 -Upgrading a Livelink System The 10.5 Part

Start with my first article in this series

BTW this is kind of a cookery show kind where they put the main course in the oven and take another finished one .I did not accomplish any of this in one day it took a lot of homework and trial runs.I read the case studies by the great Rob Coutts many times over.

For sanity we decided to use a new box for CS10.5

  1. Created a CS10.5 system added all the modules that we needed and connected to a dummy database and dummy EFS. Just for kicks we added some that did not exist in 971 like classifications and recman(forward thinking).Rudimentary checks to ascertain base functionality.Note all hot fixes ,patches relevant were also put.
  2. Cloned this server to 3 others for Front Ends and Agents.Just architectural things as after the LL installer creates the services just copy the OTHOME over ,give it distinct names etc.Sometimes if your copies are done with IIS and or any of livelink services running sometime corrupt dll copies end up so make sure you follow proper protocol.In most cases you do not need to run the optional modules installer on your 2nd to n CS servers.Most livelink needed dll’s oscript code will try to push it to windows systems folders on startup every time.
  3. Saved this and copied it as backups.
  4. It is worth verifying the DB type requirements for 10.5 for e,g your 971 DB might have been 11.2.0,2 but Cs10.5 need 11.2.0.4.these are database chores that your DBA should know. Always give lots of oracle memory like SGA etc .OT has a tech article on how it is to be done.
  5. Connected the binary to the prepped up 971 database.one of the first screens was the 971 box for Admin server,changed it to the new box .
  6. Wanted re-starts it is a good sign.One thing I do is since I know the DB Upgrade is done by a single thread I made the threads 8 on it.If you have lots of threads they indirectly add to the Oracle load.I also do my upgrades with debug=2 and wantlogs=true.It is almost impossible to live without BareTail or a good ASCII Editor.
  7. The other threads on it will just produce a warning message that the “upgrade is in progress”.
  8. Once the upgrade starts you should see the thread<nn>.out file issue oscript commands and its corresponding connect<nn>.out doing DB work.Your heart will rejoice if you have them on baretail 🙂 In my case a core upgrade will move my 971 schema(6.0.8) to CS10.5 (6.2.58).If it does that it is a successful upgrade. Times will vary depending on data and content and horsepower of your DB.Do not try to run arithmetic on the numbers does not mean continuous although looking at the db upgrade log one can see the steps.The places it breaks clues OT and even if you know Oscript you can chase a lot f them.In my case it was let’s say a very smooth upgrade.
  9. Since we had optional modules after the core upgrade all optional module schemas were introduced or upgraded.You should see it in bold letters in the pre upgrade page. “Your Content Server schema will Upgrade from <nn> to <nn>”.Classifications module will be introduced,Recman would be introduced(New things), ADN will upgrade from <nn> to <nn> .BTW I had to downgrade A D N to a lower one because the latest and greatest won’t cleanly co operate with the upgrade.You will not notice the difficulty if your database is new.
  10. The reason why OT says to upgrade OPT modules after core upgrade is it is easier for them to pinpoint the failure.
  11. The way livelink code works every time you re-start is it will read Opentext.ini and one of the first modules that loads is the DBWIZAPI .It will first try to ascertain whether core schema is what the binary says its is otherwise it will force a DB Upgrade.Before releasing the software to listen to request on 2099(suggested default),it will enumerate the module section ini to the schema section INI. So if one box had a schema aware module such as form and its INI said 2.0.4 and this box’s form module said 2.0.3 it will trigger the familiar error “You have blah blah in database but blah blah module is lower/higher”.That is the whole reason why experienced people and nowadays OT says get one server(Anchor) done correctly and clone that on other boxes.So whether you install opt modules after or before livelink code always checks this every time you re-start.
  12. The Admin Service left running on any box is no problem.It contains java code to talk to the search server.Also memcached is dependent on Admin Service.I don’t really know what cluster agent does  but it is OT’s answer to smart patching.Once you resister a Admin server to the database that is when the box can be used for certain things like augmenting search.
  13. We had to create a search as advised by OT so that items would come out indexed faster.I am always amazed at the search code but unfortunately one cannot see it completely as Oscript just talks to the java code.Perhaps if I had time and code was de compilable( I seriously doubt it,I have a feeling java is talking to C++ compiled code internally,how else would it scale so well).To have people always complain about search ….
  14. I installed all our custom modules created clones of this and called it many different roles and we were pleasantly done
  15. The rest was mainly releasing it to customers to test have their suggestions and voila…

General Help Series 3-Privileges (Am I allowed something)

Privileges

Privileges apply to you as the “user” versus permissions are what the Object allows a “user” to do.There are differences.For e.g for installing something in windows you need to be part of the “administrators” group similarly to install something you need to be in the “system administrators” group. A “administrator group user” has almost very high privileges to do things in a OS similarly they have a high degree of authority in livelink as well.So when a user is created we set at the minimum these privileges Login Enabled and Public Access So when a objects is accessed at run time livelink’s algorithm is does user have login,does user have PA and does Object have PA and what like S,or SC so it is a given that the user will be able to click the link. In very simple terms use PA effectively to address contents that is useful for the whole environment almost like using livelink as a glorified web server.

Now other things are self explanatory has User Creation,System administration and others leading to making Group Leaders etc.In short if you spend some time understanding the architecture you will be amazed and the simple but very effective thought being given into its devlopment.

The Add New Item Truth Table

The livelink system is replete with several subtypes some  of the are very useful and harmless like folders,documents etc so nobody changes anything from default. However you would be very concerned if somebody go unauthorized access to Live Reports,workflows,form templates etc,so what I do is I will look at the personal workspace of a default user and see all the “New Items” being shown there.Then I evaluate what should a untrained user be allowed to create in my system.For all the complicated ones I will create a manual group called “r-Form Template Creators” and add ‘Admin’ to that.Now if I have trust to give a group or a user I would expand my group.So when these new person goes and he has permissions to “Add Items,Reserve , Delete” this user will see “Form Template” there. However h(s)e moves to another folder where he has only “S,SC” he does not see it there.Note different object subtypes do different things.I am not keen to explain everything like Tasks,Discussions,Projects ec they are for you to explore and set right.Before releasing a system to production give a simple user access and do some Gorilla Testing  that will help you more than the amount of money spent on stress testing.Obviously you should have at laest oe or two good front ends and a good beefy admin server to do your search stuff.

Oscript what is it what and would I use it?

Oscript is  a 4GL that is the basis of the application that the OpenText company adopted when they chose to market Livelink the Document Management System.It is safe to say that anything  the Livelink product lacks and  is a valid requirement can be coded in this language.The power of the the Oscript language takes root in the philosophy that was prevalent in the 60’s . Oscript is a superior offering to traditional OOP languages such as Java or C++ that is what Pundits say.

To a trained Oscripter one is able to understand how livelink code is received as well as change it.Now change to any COTS product comes at a cost.That is where the strategy as well as overall grasp in the product comes into mind.If the organization has decided for itself that it will spend the big bucks on livelink, one approach is to identify the ways to use it more.Where the organization is going to make mistakes is when it sees the cost of the “customization”.Many decision makers wrongly decide to go after fly by night programmers/vendors to be totally left in the fray.OT has a professional vested interest to sell customers more code and services so I have been in decisions where sales and marketing  will say do not customize livelink, but that is only half truth in them.If you buy these OT customizations, they are almost certain to be written in Oscript .In many cases it would have been written by senior Oscripters with thought on maintenance aspects  and upgrade ability as well.The same kind of service can be bought by other Oscript houses,in many cases these are extremely talented ex OT ‘ers. Many of the Professional Services modules sometimes outgrows the intents and becomes a marketable module as well.I have no knowledge and am just speculating on that.Once you have identified and  decided to use livelink the best avenue is to hire or ask services of reputed vendors.Modules that contained Oscript code that I used to code in 1999 (first time was on a livelink 8 system) livelink 9.1 version I can almost compile in the modern 10.5 version.My entire career was  and is fruitful because I tried to interact/collaborate and share with the OT team in the KB as well as smaller websites like Greg Griffiths.I was also able to mentor myself amongst very die hard oscripters that I knew from work and just by tracing code to find bugs that needed closure before OT could provide fixes.The knowledge of OT code also allows me to become a better application architect,administrator and integrator.

If the organization is strong in Java and .Net skills then note that the user interface at this time cannot be changed using those languages,however you may use exposed API’s to make functioning applications that use Livelink as the data store

Typical things organizations can and should do.

  1. Create implementations of Nodes just like Folder or Document if there is a need for it to be there.Just because OT shows you a “Addressbook” or “Contacts” module not every livelink installation in the world needs new subtypes.It is there if you want to use it ,if there is a complex business requirement that involves a “document” like implementation or a “folder” like implementation.Do search in the KB for such terms as “invasive customizations”, overrides,orphans,subclasses, customizationsRT, weblingo customization.
  2. Add Commands in the Nodes these are basically very easy to do in a short order.These two are taught very nicely in class as well.
  3. Put a lot of functioning logic into workflows also heard as event scripting.
  4. Write code so that livelink can interact with other systemslike using the POJO object.
  5. Write agents,distributed agents,expose to columns and facets api something that OT does not give you OOB.
  6. Extending SOAP and REST can only be done using Oscript.If you are a shop who has a need to program a integration using java or C# and you see a “GAP” in existing offering it is rather easy for a Oscripter to extend that.

Opentext Programmers have black boxed thing so that many things acts as internal API’s.For e.g we are able to do work without understanding how the “Node” itself is created in livelink. Other examples are the way Oscript can talk to the search system.

Not many people know that livelink uses a api to search.

Out of the world Oscript Offerings.

Christopher Meyer a Long OT veteran his website . It is un believable stuff that I have seen.

Patrick Vitali the maker of AnswerModules

IDE’s one can use

CSIDE a eclipse jar file for versions CS10.5

Livelink Builder CS10 and Versions prior.