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[RESOLVED] How to Connect to a DB using "Cloudera ODBC Driver for Impala"

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hugomito

Hi all,

I hope you can help me with this. I need to connect to a Database using Cloudera ODBC Driver for Impala. I installed the driver, created a User DSN (drona2) and tested it successfully (got the message: Successfully connected to data source!) but when I try to connect to the database using a Conneciton String, it simply didn't work.

I tried connecting to the database using the User DSN, I previously created, that has all parameters needed but got the following error:

     $ProviderDatasource = 'DSN=drona2;'
     $conn_Database = ObjCreate ("ADODB.Connection")
     $conn_Database.ConnectionString = $ProviderDatasource
     $conn_Database.Open

     ==> The requested action with this object has failed.:
     $conn_Database.Open
     $conn_Database.Open^ ERROR

Also I tried adding all parameters to my connection string as follows but also got the same error:

     $ProviderDatasource = 'Driver=Cloudera ODBC Driver for Impala;Host=MyHost.domain.com;PORT=21050;AuthMech=3;UID=MyUserId@domain.com;PWD=MyPasswordc;Schema=default;SSL=1;AllowSelfSignedCerts=1;AllowHostNameCNMismatch=1;CheckCertRevocation=1;KrbFQDN=_HOTS;KrbServiceName=impala;ServicePrincipalCanonicalization=1'

I hope someone has used this driver successfully before and can shed some light here.

If you need additional information, let me know.

Regards,

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mLipok

Try my ADO.au3 UDF 


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"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2018-03-17

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water

Add a COM error handler to your script to get more detailed error information.
For an example please check ObjEvent in the help file.


My UDFs and Tutorials:

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hugomito

Water,

I added the following function: $obj_ErrorHandling = ObjEvent ("AutoIt.Error", "f_ErrorHandling") to my code. I attached the f_ErrorHandling error. I hope this helps.

 

mLipok, I am going to review your UDF.

ErrorHandlingError.jpg

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mLipok

"...an architecture mismatch beetwen the Driver and application"

x86 <> x64 

What type of Driver you have installed ?
Are you using the same Au3 architecture as installed driver ?

EDIT:

Add this following snippet:

; #AutoIt3Wrapper_UseX64=y
; #AutoIt3Wrapper_UseX64=n
MsgBox(0, '', @AutoItX64)

at the very beginning of your script.

Uncomment first or second line and check what will happend when you try to run your script.

 

Edited by mLipok

Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

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Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2018-03-17

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hugomito

mLipok,

I installed the 64bit version of Cloudera driver (ClouderaImpalaODBC64.msi).

I added the snippet at the very top of my script. The result was the same with one of the two lines uncomment -see image-

 

SnippetResult.jpg

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mLipok

use my snippet as a separate script.
Run them, and copy here SciTe console output.

 


Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2018-03-17

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hugomito

mLipok,

When you say: use my snippet... I assume you are referring to your ADO.au3 snippet, right?

I opened you ADO_Example.au3 and ran it but this is what I got:

C:\Users\hhernand\Documents\My Works\AU3\mLipok ADO\ADO.au3 (10) : ==> Error opening the file.:
#include <AutoItConstants.au3>

From Editor selected About SciTE-Lite

SciTE-Lite 
Version 2.28
    Jan 29 2012 21:33:22
by Neil Hodgson.
 Updated: Valik & Jos

I assume I have to upgrade my version, right?

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mLipok
On 6.04.2018 at 7:25 PM, hugomito said:

mLipok,

When you say: use my snippet... I assume you are referring to your ADO.au3 snippet, right?

No, just this three lines.

On 6.04.2018 at 7:25 PM, hugomito said:

C:\Users\hhernand\Documents\My Works\AU3\mLipok ADO\ADO.au3 (10) : ==> Error opening the file.:
#include <AutoItConstants.au3>

What AutoIt Version you are using ?

On 6.04.2018 at 7:25 PM, hugomito said:

From Editor selected About SciTE-Lite

SciTE-Lite 
Version 2.28
    Jan 29 2012 21:33:22
by Neil Hodgson.
 Updated: Valik & Jos

I assume I have to upgrade my version, right?

Yes
Now I see you are not using SciTE4AutoIt3 as you still use SciTE-Lite

So as so far this three line snipet will not show you any different.

On 5.04.2018 at 10:41 PM, hugomito said:

mLipok,

I installed the 64bit version of Cloudera driver (ClouderaImpalaODBC64.msi).

I added the snippet at the very top of my script. The result was the same with one of the two lines uncomment -see image-

 

SnippetResult.jpg

 

Your problem is that you are using Au3 x86 with 64bit Driver.
You must to decied if you want to use x86 or x64 bit version, because you can not mix them together.

  • Thanks 1

Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2018-03-17

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hugomito

mLipok,

Thanks a lot for staying with me until the end and for providing very valuable tips. My issue is resolved and this is what I did, hopefully this is the real solution:

  1. Uninstall 64bits ODBC driver, restarted my Laptop
  2. Installed 32bits ODBC driver but never saw the drivers installed in Data Source (ODBC) application, restarted my laptop
  3. Installed 64bits ODB driver again, restarted my laptop
  4. Gave it a try again running the following script successfully:
;   Error Handling function
   $obj_ErrorHandling = ObjEvent ("AutoIt.Error", "f_ErrorHandling")

;   Data Source Name and database connection
   $ProviderDatasource = 'DSN=MyOdbcName;'
   $conn_Database = ObjCreate ("ADODB.Connection")
   $conn_Database.ConnectionString = $ProviderDatasource
   $conn_Database.Open

;   ***************************
;   Error Handling function
;   ***************************
   Func f_ErrorHandling ($obj_ErrorHandling)
      $HexNumber = Hex ($obj_ErrorHandling.number, 8)
      $txt_MyErrorDescription = ""

   ;    Manage application errors
      MsgBox (0, "Error Handling", "We intercepted a COM Error !"                               & @CRLF  & @CRLF & _
            "Error Number: "            & $obj_ErrorHandling.Number                             & @CRLF & _
            "Error Description: "       & $obj_ErrorHandling.description                        & @CRLF & _
            "Error WinDescription:"     & StringStripWS ($obj_ErrorHandling.windescription, 8)  & @CRLF & _
            "Error Last DLLL Error: "   & $obj_ErrorHandling.lastdllerror                       & @CRLF & _ 
            "Error Script Line: "       & $obj_ErrorHandling.scriptline                         & @CRLF & _
            "Error Source: "            & $obj_ErrorHandling.source)
      Exit (1)
   EndFunc

Then I substituted my DSN with actual Connection String values as follows:

;   Connection string with LDAP authentication
$ProviderDatasource = 'Driver=Cloudera ODBC Driver for Impala;Host=MyServer.domain.com;Port=21050;Schema=MySchemaName;AuthMech=3;UID=MyUserId@domain.com;PWD=MyPassword;UseSASL=1;SSL=1;AllowSelfSignedServerCert=1;AllowHostNameCNMismatch=1;CheckCertRevocation=1;TrustedCerts=C:\Program Files\Cloudera ODBC Driver for Impala\lib\cacerts.pem;'

Thanks again!!!

How do I mark this case as resolved?

Edited by hugomito

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mLipok

Thanks to you for posting your solution.

Try also to install recent version from here:

https://www.autoitscript.com/cgi-bin/getfile.pl?autoit3/autoit-v3-setup.exe

https://www.autoitscript.com/cgi-bin/getfile.pl?../autoit3/scite/download/SciTE4AutoIt3.exe

and here

https://www.autoitscript.com/autoit3/scite/download/beta_SciTE4AutoIt3/

 

3 hours ago, hugomito said:

How do I mark this case as resolved?

 

Few years ago it was possible, but then IPB/Invision Dev Team remove this feature.

You can only edit title.

Edited by mLipok

Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2018-03-17

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hugomito

 

Quote

Yep!,

I already requested Helpdesk to upgrade my AutoIT version so whenever they contact me, I will provide the Links. :)

Thanks!!!

PS: Also learning how to use Posting features by seeing what you did.

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mLipok

Did you also look here:

??

 


Signature beginning:   Wondering who uses AutoIT and what it can be used for ?
* GHAPI UDF - modest begining - comunication with GitHub REST API *
ADO.au3 UDF     POP3.au3 UDF     XML.au3 UDF    How to use IE.au3  UDF with  AutoIt v3.3.14.x  for other useful stuff click the following button

Spoiler

Any of my own code posted anywhere on the forum is available for use by others without any restriction of any kind. 

My contribution (my own projects): * Debenu Quick PDF Library - UDF * Debenu PDF Viewer SDK - UDF * Acrobat Reader - ActiveX Viewer * UDF for PDFCreator v1.x.x * XZip - UDF * AppCompatFlags UDF * CrowdinAPI UDF * _WinMergeCompare2Files() * _JavaExceptionAdd() * _IsBeta() * Writing DPI Awareness App - workaround * _AutoIt_RequiredVersion() * Chilkatsoft.au3 UDF * TeamViewer.au3 UDF * JavaManagement UDF * VIES over SOAP * WinSCP UDF * GHAPI UDF - modest begining - comunication with GitHub REST API *

My contribution to others projects or UDF based on  others projects: * _sql.au3 UDF  * POP3.au3 UDF *  RTF Printer - UDF * XML.au3 UDF * ADO.au3 UDF SMTP Mailer UDF *

Useful links: * Forum Rules * Forum etiquette *  Forum Information and FAQs * How to post code on the forum * AutoIt Online Documentation * AutoIt Online Beta Documentation * SciTE4AutoIt3 getting started * Convert text blocks to AutoIt code * Games made in Autoit * Programming related sites * Polish AutoIt Tutorial * DllCall Code Generator * 

Wiki: Expand your knowledge - AutoIt Wiki * Collection of User Defined Functions * How to use HelpFile * Good coding practices in AutoIt * 

IE Related:  * How to use IE.au3  UDF with  AutoIt v3.3.14.x * Why isn't Autoit able to click a Javascript Dialog? * Clicking javascript button with no ID * IE document >> save as MHT file * IETab Switcher (by LarsJ ) * HTML Entities * _IEquerySelectorAll() (by uncommon) * 

I encourage you to read: * Global Vars * Best Coding Practices * Please explain code used in Help file for several File functions * OOP-like approach in AutoIt * UDF-Spec Questions *  EXAMPLE: How To Catch ConsoleWrite() output to a file or to CMD *

"Homo sum; humani nil a me alienum puto" - Publius Terentius Afer
"Program are meant to be read by humans and only incidentally for computers and execute" - Donald Knuth, "The Art of Computer Programming"
:naughty:  :ranting:, be  :) and       \\//_.

Anticipating Errors :  "Any program that accepts data from a user must include code to validate that data before sending it to the data store. You cannot rely on the data store, ...., or even your programming language to notify you of problems. You must check every byte entered by your users, making sure that data is the correct type for its field and that required fields are not empty."

Signature last update: 2018-03-17

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