topic Alfresco upgrade issue in Alfresco Forum https://connect.hyland.com/t5/alfresco-forum/alfresco-upgrade-issue/m-p/24061#M10471 <HTML><HEAD></HEAD><BODY><P>I'm running into an error&nbsp;after upgrading Alfresco from 4.2 to the latest version. Since the installer wouldn't allow me to overwrite the original Alfresco 4.2 install directory (/opt/alfresco), I created a new folder (/opt/alfresco-new). At the Alfresco homepage (<A class="jivelink1" href="https://192.168.76.103:8443/" title="https://192.168.76.103:8443/" rel="nofollow noopener noreferrer">https://localhost:8443/</A>), I get the following error:&nbsp;</P><P></P><P><IMG class="image-1 jive-image" src="https://connect.hyland.com/legacyfs/online/alfresco/17689_pastedImage_4.png" style="width: 796px; height: 154px;" /></P><P>Attached is my Alfresco log. During the install, I opted to use my own JAVA JRE and PostgreSQL installs. The PostgreSQL DB I'm using is the exact same from v4.2. Would I by any chance need to link the alf_data directory in my new install with the old for the Alfresco Repository to work?</P></BODY></HTML> Thu, 16 Nov 2017 21:30:38 GMT espressobeanies 2017-11-16T21:30:38Z Alfresco upgrade issue https://connect.hyland.com/t5/alfresco-forum/alfresco-upgrade-issue/m-p/24061#M10471 I'm running into an error&nbsp;after upgrading Alfresco from 4.2 to the latest version. Since the installer wouldn't allow me to overwrite the original Alfresco 4.2 install directory (/opt/alfresco), I created a new folder (/opt/alfresco-new). At the Alfresco homepage (https://localhost:8443/), I get the Thu, 16 Nov 2017 21:30:38 GMT https://connect.hyland.com/t5/alfresco-forum/alfresco-upgrade-issue/m-p/24061#M10471 espressobeanies 2017-11-16T21:30:38Z Re: Alfresco upgrade issue https://connect.hyland.com/t5/alfresco-forum/alfresco-upgrade-issue/m-p/24062#M10472 <HTML><HEAD></HEAD><BODY><P>Alfresco is storing data on two places.</P><UL><LI>alf_data&nbsp; &nbsp;: Here all the documents are stored</LI><LI>database : It stores the properties related to document and many other things.</LI></UL><P></P><P>So if this both things are not&nbsp;synced than it will throw the exception while starting the server which is happening in your case</P><P></P><P>It seems like your new alfresco points to an old database and the new alf_data.This will create problem.You should delete alf_data and create new database or make the old database blank one.</P><P></P><P><STRONG>If you have some important data and it will delete all the documents so use this carefully.</STRONG></P></BODY></HTML> Fri, 17 Nov 2017 08:29:11 GMT https://connect.hyland.com/t5/alfresco-forum/alfresco-upgrade-issue/m-p/24062#M10472 krutik_jayswal 2017-11-17T08:29:11Z