"an unidentified error has occurred" when building recordset

Migrated an older site to a new host, with replicated mySQL database on the new host. Obviously this means new connection criteria, which all work successfully with my DB tools. DW won't connect to the DB however with the listed generic error. The FTP definition is correct, everything transfers. The PHP version is appropriately set on the host. The MM_scripts have been deleted locally and on the host. DW still fails to build a mySQLi recordset, throwing the error. I even killed my local .dat cache file. No luck. I'm out of ideas - help!

So I had the web host completely delete off the domain, and pushed everything up clean, and even completely rebuilt the database on the host end. I can connect with FTP and DB tools again as before, except when I try to build a mySQLi recordset now, I get a new error: HTTP Error Code 500 Internal Server Error. No server logs on the host show any issues. Where could this be coming from??

There could be a few reasons for this issue.

1) Is there an htaccess file on the server, if so, is it configured properly. A further note here, if I am running a server locally, and on the test server there is a htaccess, for whatever reason, when we open a database or recordset dialog, this issue can be experienced. In which case we simply rename the file temporarily for example .httaccess becomes .htaccess(). Remember to rename it back to it's proper name on the live server though! I have never figured out why this happens, but it seems dreamweaver / webassist don't like it, if there is an htaccess file in the root. (?).

2) And quite common, make sure the Database Connection file contains the correct credentials to use any database for your site. Make sure that any tables that are referenced exist in your DB and make sure ALL columns referenced actually exist in the tables you are referencing. This all might sound like schoolboy (or girl!) errors but, a few times when we have updated our DB / tables locally, we have forgotten to apply those changes to the live server...it happens :-) and in such cases we get the issue as you have described here.

3) Further to point 2. In your SQL statements makes sure you are referencing column names properly. Again, If I blink whilst typed I might type:

my-table-column when in fact it should be my_table_column

Hope this helps

All of the database connection criteria is correct. We have no columns to worry about yet as I'm simply just trying to create a mySQLi recordset, and I'm not even getting to the connection yet because the mySQLi behavior won't complete the connection test. I'm back to getting the Unidentified Error Has Occurred message again. This would normally happen if my site definition was off in some way, but that is all correct too. There is no .htaccess on the server, so thing there to cause an issue. PHP version is correct on the server, so that shouldn't be an issue. If this needs to become a paid session, then so be it, but I need to fix this ASAP.

I'm not sure why, but my host provider had to make the following change on the server side - and now the issue has been resolved. Just FYI, here's what they did: Adding <local IP> to csf.allow and iptables ACCEPT...

I was working on the files and made a fix in the connection files. The issue is that your password has an ampersand and it wasn't working properly with ampersands in the db password.

Please reinstall the MySQLi Server Behaviors and it should work properly moving forward.

Thanks for looking at that Ray. Are you saying that I need to re-download the extension, and reinstall it? Otherwise, just reinstalling what I have doesn't really change much on my machine I'd think?

Just reinstall would be fine if you already have the latest version. The files are loaded by the secondary installer.