PrestaShop - General error: 2006 MySQL server has gone away - prestashop

I upload PrestaShop latest version in subdomain, but have a error. There is no problem in mysql database. It works and I tested it. I am getting following error :
Thanks for helping.

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User account pool creation encountered failure while executing the registerRext.exe in SQL server 2016 R services

the cmd execution of registerRExt.exe
I am trying to install RRE(Revolution R Enterprise) v7.5 with RR0 3.2.2(Revolution R Open) on a SQL Server 2016 RC0 default instance. All the steps shown in the https://msdn.microsoft.com/en-us/library/mt590808.aspx have been completed and the error occurs in the Post installation Server configuration scripts. The script has also been replaced by the updated script for RC0 shown on the msdn site but still I get the same error on running the registerRExt.exe file.
The site shows while installing the instance the account name for Server Database engine has to be MSSQLSERVER, however this had also resulted in an error stating wait on database recovery handle failed which was sorted by changing the account name of Database engine to NT AUTHORITY/SYSTEM(I provided this info as it can also be the cause of the problem) . Now I need to sort the user pool failure. Any help would be appreciated..thanks in advance
SQL 2016 RC1 was just released https://blogs.technet.microsoft.com/dataplatforminsider/2016/03/18/sql-server-2016-release-candidate-1-now-available/.
SQL RC1 has a newer version 8.0.1 version of RRE. I suggest your try to install it and reply to this thread again if you hit the same failure. https://msdn.microsoft.com/library/mt590809.aspx has the details on where to find Microsoft R Open 8.0.1 and Revolution R Enterprise 8.0.1.
If the issue persists RevoScaleR\rxLibs\x64\registerrext.log would have more details on the exact failure - do share that.
I was able to sort out the issue..It was because I was installing the SQL server on domain controller and ignored the warning while install, but then changing some rules and demoting it from Server Manager worked and the install was successful.
However I do know there may be some better solution to that as all the other user accounts got reset in the process.

"500 status code received on GET method for API" error in Ambari - Hive Service instllation

I have ambari 2.1.2 installed on CentOS 6.4. I have the following two questions related to Hive service installation through ambari.
Question 1:
On the Ambari Dashboard, what is “MySQL Server / Hive”?. When Ambari was installed, wasn’t MySQL server already installed initally?. Will installing the “MySQL server/ Hive” service, overwrite the existing MySQL server?.
Question 2:
When I try to install “MySQL server / Hive” service, I get the following “Get Method for API” error (please see details at the end of this post). I tried to create hive database manually also and selected “Existing MySQL database” option from the config section, but this error never goes away. I am unable to find any logs and therefore stuck.
Following is the first error message that is displayed in a dialog box.
500 status code received on GET method for API:
/api/v1/clusters/SGICluster/hosts?fields=Hosts/rack_info,Hosts/host_name,Hosts/maintenance_state,Hosts/public_host_name,Hosts/cpu_count,Hosts/ph_cpu_count,alerts_summary,Hosts/host_status,Hosts/last_heartbeat_time,Hosts/ip,host_components/HostRoles/state,host_components/HostRoles/maintenance_state,host_components/HostRoles/stale_configs,host_components/HostRoles/service_name,host_components/HostRoles/desired_admin_state,metrics/disk,metrics/load/load_one,Hosts/total_mem,Hosts/os_arch,Hosts/os_type,metrics/cpu/cpu_system,metrics/cpu/cpu_user,metrics/memory/mem_total,metrics/memory/mem_free,stack_versions/HostStackVersions,stack_versions/repository_versions/RepositoryVersions/repository_version,stack_versions/repository_versions/RepositoryVersions/id,stack_versions/repository_versions/RepositoryVersions/display_name&minimal_response=true&sortBy=Hosts/host_name.asc
Error message: Server Error
If I close the dialog box, by pressing "ok" green button, then the error message is shorted as shown below
500 status code received on GET method for API:
/api/v1/clusters/SGICluster/requests?to=end&page_size=10&fields=Request
Error message: Server Error
I found that trying to install MySQL will fail because there is already an instance of MySQL server. The solution is to ignore the installation of MySQL server and use the existing mysql server instance, which can be mentioned from the advance configuration section in Ambari.

MMC could not create the snap-in. SQL Server configuration manager error

When i tried to connect to sql server configuration manager in sql server 2008. It shows error MMC could not create the snap-in.
It was working perfectly till last night. What can be the reason, how can i solve it. I can not post image of error because of low reputation.
I had the same problem and found out that it was an issue with .net framework.
I downloaded this file: "dotNetFx40_Full_x86_x64.exe" from Microsoft website, and used the "repair" option. It worked for me. Hope it helps.

#1045 Cannot log in to the MySQL server

I am on Mac OSX using Zend Studio and suddenly one day I got error #2002, then when I tried to change the settings from localhost to 127.0.0.1 I started to get error #1045.
I looked everywhere for an answer but nothing worked for me. My last hope is to reinstall a fresh copy, but I would like to retrieve my database tables, any idea how can that be done would be much appreciated.
I should mention that the error is given when entering the default user & password 'root' & ''. I tried entering my computers password and it worked, but it's not the same installation as I don't see the tables I was working on.
To be 100% percent sure the problem doesn't came from Zend Studio try to use Sequel Pro to access and backup your database.

phpMyAdmin does not run SQL and shows "Loading" message

I installed Ubuntu 12.04 with its LAMP stack:
PHP 5.3.10
MySQL 5.5.24
Apache 2.2.22
phpMyAdmin 3.4.10.1deb1.
phpMyAdmin is working except when I run SQL query sometimes it runs OK but in most cases phpMyAdmin shows “Loading” message on the yellow background and then stops running the query like nothing happened without giving any error message.
I tried to run incorrect SQL code and phpMyAdmin does not show any errors, just shows “Loading” message.
I run those SQL queries via older phpMyAdmin on older versions of LAMP without problems.
I have experienced this too in a WAMP stack-- it appears to happen when the result of the query would be an empty result. You can verify this by running the same query from the mysql CLI, or alter the query to ensure that some records match the search.
I assume this may be a bug in phpmyadmin.