Concerto V3.0: (R logic error - debug HALTED)

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Hello,
    I've installed Concerto 3.0 on CentOS 5.7 with XAMPP package. The configuration steps succeed and I am able to create a sample test. Examination of the database shows that it is successfully creating tables etc. Thus the database is accessible to the concerto platform.

But when I try to debug a test, I get the error copied below and the test 
fails. It indicates that the access to the database is denied. I'm pretty sure 
that this is some kind of configuration issue that  maybe outside of the 
Concerto platform. I may have run into the same problem when testing with 
Concerto v2.5 although I do not recall the steps I took to resolve the problem.

Since the database access works from one module of Concerto (PHP?) but fails 
from a different one (RMySQL?), I was wondering if any of you have run into 
this problem and have any suggestions for me.

Thanks in advance for your help.

------------------

R logic error. Check R code output for additional info. Debug HALTED.

Loading required package: sfsmisc
Loading required package: methods
[1] ""
Loading required package: DBI
Error in mysqlNewConnection(drv, ...) :
RS-DBI driver: (Failed to connect to database: Error: Access denied for user 
'root'@'localhost' (using password: YES)
)
Calls: dbConnect ... .valueClassTest -> is -> is -> mysqlNewConnection -> .Call
Execution halted

-----------

Original issue reported on code.google.com by apteashu...@gmail.com on 13 Feb 2012 at 6:43

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Please try to connect with MySQL through R console using RMySQL.
What version of MySQL is in your XAMPP package ?

Original comment by LisPrzem...@gmail.com on 22 Feb 2012 at 12:43

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MySQL connections works through the R console. Following is the output of a 
couple of commands.

MySQL version is 5.5.16

> library(RMySQL)
Loading required package: DBI
> con <- dbConnect(MySQL(), user="root", password="",dbname="concerto", 
host="localhost")
> print(con)
<MySQLConnection:(31225,0)> 
> dbListTables(con)
 [1] "CustomSection"         "CustomSectionVariable" "DS_Module"            
 [4] "DS_Right"              "DS_Sharing"            "DS_TableColumnType"   
 [7] "DS_TestSectionType"    "Table"                 "TableColumn"          
[10] "Template"              "Test"                  "TestSection"          
[13] "TestSectionValue"      "TestSession"           "TestSessionVariable"  
[16] "User"                  "UserGroup"             "UserType"             
[19] "UserTypeRight"         "c3tbl_1"              
>

Original comment by apteashu...@gmail.com on 24 Feb 2012 at 5:34

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Can you update to the latest version and check if your problem is still present?

Original comment by LisPrzem...@gmail.com on 16 Jul 2013 at 1:44

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Original comment by LisPrzem...@gmail.com on 29 Dec 2014 at 1:00

• Changed state: Invalid

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I am having the same problem. It seems that the file structure of mysql in 
xampp 1.8.2 (that provides php 5.4) is not recognized by concerto. On the other 
hand, I can't install a LAMP server because php 5.5 is installed and not 
supported, right? Please, need help!

Original comment by joaquim....@gmail.com on 24 Mar 2015 at 4:33