https://community.appian.com/discussions/f/administration/4493/i-just-installed-appian-locally-using-sql-server-and-jboss-attacheI just installed Appian locally. Using SQL Server and JBoss. Attached is my server.log - please let me know what the issue is? server.log OriginalPostID-142050 OriginalPostID-142050en-USTelligent Community 12https://community.appian.com/thread/16171?ContentTypeID=1Thu, 19 Mar 2015 07:45:35 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:706a7579-fa82-4794-8741-88bb023f83cealexandercThanks! I found someone else with the same issue on forum. I uninstalled and reinstalled 1.7.x and it&#39;s working great! Thank you guys for the help!<div style="clear:both;"></div>https://community.appian.com/thread/16170?ContentTypeID=1Thu, 19 Mar 2015 07:42:31 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:cd7dade4-f4da-44e8-b262-1b5dd78f93faabhi.janaYou seem to be using JDK 1.8 which is currently not supported in Appian.<br /><a href="https://forum.appian.com/suite/help/7.8/System_Requirements.html#Application_Servers">forum.appian.com/.../System_Requirements.html</a><div style="clear:both;"></div>https://community.appian.com/thread/16169?ContentTypeID=1Thu, 19 Mar 2015 07:08:36 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:5fb3a9cd-c567-44e3-acf8-79dc7bd4e2cealexandercDoes that matter? I was concerned about the line 340 and 469. <br /><br />ERROR [stderr] (FelixStartLevel) java.lang.IllegalStateException: Cannot create ConcurrentHashMap - neither JDK 1.5 nor backport-concurrent available on the classpath<br /><div style="clear:both;"></div>https://community.appian.com/thread/16168?ContentTypeID=1Thu, 19 Mar 2015 07:00:35 GMTd3a83456-d57b-489c-a84c-4e8267bb592a:e4bcd859-f65a-4864-969d-e27a591470c2Jim Schweitzer02:32:53,412 [ServerService Thread Pool -- 114] ERROR org.hibernate.connection.DatasourceConnectionProvider - Could not find datasource: /jdbc/AppianBusinessDS<br /><br />Is your appian-ds.xml correct for your Business DB? Seems to be OK for the primary<div style="clear:both;"></div>