Error executing FreeMarker template https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&threadId=121659839 2026-04-03T20:24:58Z 2026-04-03T20:24:58Z David H Nebinger https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121660162 2023-03-01T19:24:51Z 2023-03-01T18:39:45Z

<p>Personally I'd avoid trying to auto-update themes.</p> <p>There's a big difference in themes for 7.1 and 7.4 and no upgrade tool is going to help you get around those changes.</p> <p>I'd suggest starting a new 7.4 theme and then overlay your changes from the 7.1 theme back in.</p>

David H Nebinger 2023-03-01T18:39:45Z JP Vásquez https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=121659838 2023-03-01T16:48:33Z 2023-02-28T21:17:35Z

<p>I am migrating from Liferay Digital Experience Platform version 7.1.10 Liferay Digital Experience Platform 7.4.13. I am migrating a theme as per the following link :https://help.liferay.com/hc/en-us/articles/360018162071-Liferay-Theme-Generator.</p> <p>I am using this version of java to generate the .jar and it is installed in Liferay:</p> <p>java version &quot;1.8.0_341&quot;<br /> Java(TM) SE Runtime Environment (build 1.8.0_341-b10)<br /> Java HotSpot(TM) 64-Bit Server VM (build 25.341-b10, mixed mode)<br /> Those that when lifting are throwing the following error:<br /> When taking the war from the theme it is throwing the following error:</p> <p>ERROR [http-nio-8080-exec-1][runtime:59] Error executing FreeMarker template<br /> freemarker.core.InvalidReferenceException: The following has evaluated to null or missing:<br /> ==&gt; freeMarkerPortletPreferences.setValue  [in template &quot;20099#20135#86793&quot; at line 2, column 32]</p> <p>----<br /> Tip: It's the step after the last dot that caused this error, not those before it.<br /> ----<br /> Tip: If the failing expression is known to legally refer to something that's sometimes null or missing, either specify a default value like myOptionalVar!myDefault, or use &lt;#if myOptionalVar??&gt;when-present&lt;#else&gt;when-missing&lt;/#if&gt;. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)??<br /> ----</p> <p>----<br /> FTL stack trace (&quot;~&quot; means nesting-related):<br />         - Failed at: VOID = freeMarkerPortletPreferences.s...  [in template &quot;20099#20135#86793&quot; at line 2, column 25]<br /> ----</p>

JP Vásquez 2023-02-28T21:17:35Z