https://community.appian.com/discussions/f/administration/12736/appian-mysql-ds-xml-failedHi All , We have upgraded our software form 18.1 version to 18.2 version ,and we have followed all steps which are mentioned in the document, and it was upgraded successfully and we are able to do our-work and everything is working fine..but hereen-USTelligent Community 12https://community.appian.com/thread/57028?ContentTypeID=1Fri, 22 Jun 2018 04:53:58 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:62a2ea12-cd51-4409-9383-fd22f938ee62josepHello Prakash, <br /> <br /> As the other suggested delete the failed file and try to restart. Since it is the datasource there might be multiple possible problems. for example:<br /> * the password is correct?<br /> * the connection string is the same? and correct?<br /> * the encoding of the DB<br /> * the database has turned off <br /> <br /> The root cause you will find it in the log jboss.out. Try to look for the first Exception If you cannot understand what is happening please upload your log file so we can help you better.<br /> <br /> Jose<div style="clear:both;"></div>https://community.appian.com/thread/57025?ContentTypeID=1Fri, 22 Jun 2018 04:40:34 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:89b4cdb8-4b5b-497b-8540-3aa3ed867204BenhailIs appian-mysql-ds.xml failing consistently?<br /> <br /> Just delete the failed file and restart your server.<div style="clear:both;"></div>https://community.appian.com/thread/56979?ContentTypeID=1Thu, 21 Jun 2018 09:03:16 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:cd38ce43-3bf7-4634-8a39-50a992fb1491ShanmukhaHi Praksh,<br /> <br /> Could you please see the detailed error in the log file. When ever the server starts it will deploy all the stuff which is in deployments and the logs will be generated for the each step and stored in server.log.<br /> <br /> Please attach the log file error if possible.<br /> <br /> Thanks<div style="clear:both;"></div>