when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${JForumContext.encodeURL("/user/logi... [in template "j2skiUx1/pageicon.htm" at line 2, column 10] - Reached through: #include "pageicon.htm" [in template "j2skiUx1/layout.common_head.html" at line 4, column 22] - Reached through: #include "layout.common_head.html" [in template "j2skiUx1/layout.minimal.ftl" in macro "myLayout" at line 3, column 1] - Reached through: @layout.myLayout headTags=headTagsCon... [in template "j2skiUx1/message.htm" at line 8, column 1] - Reached through: #include "j2skiUx1/message.htm" [in template "exception.html" at line 8, column 1] ---- Java stack trace (for programmers): ---- freemarker.core.InvalidReferenceException: [... Exception message was already printed; see it above ...] at freemarker.core.InvalidReferenceException.getInstance(InvalidReferenceException.java:134) at freemarker.core.UnexpectedTypeException.newDescriptionBuilder(UnexpectedTypeException.java:85) at freemarker.core.UnexpectedTypeException.
(UnexpectedTypeException.java:48) at freemarker.core.NonHashException.
(NonHashException.java:49) at freemarker.core.Dot._eval(Dot.java:57) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.MethodCall._eval(MethodCall.java:55) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.DollarVariable.calculateInterpolatedStringOrMarkup(DollarVariable.java:104) at freemarker.core.DollarVariable.accept(DollarVariable.java:63) at freemarker.core.Environment.visit(Environment.java:344) at freemarker.core.Environment.visit(Environment.java:350) at freemarker.core.Environment.visit(Environment.java:350) at freemarker.core.Environment.include(Environment.java:3139) at freemarker.core.Include.accept(Include.java:171) at freemarker.core.Environment.visit(Environment.java:344) at freemarker.core.Environment.visit(Environment.java:350) at freemarker.core.Environment.include(Environment.java:3139) at freemarker.core.Include.accept(Include.java:171) at freemarker.core.Environment.visit(Environment.java:380) at freemarker.core.Environment.invokeMacroOrFunctionCommonPart(Environment.java:886) at freemarker.core.Environment.invokeMacro(Environment.java:822) at freemarker.core.UnifiedCall.accept(UnifiedCall.java:83) at freemarker.core.Environment.visit(Environment.java:344) at freemarker.core.Environment.visit(Environment.java:350) at freemarker.core.Environment.include(Environment.java:3139) at freemarker.core.Include.accept(Include.java:171) at freemarker.core.Environment.visit(Environment.java:344) at freemarker.core.Environment.visit(Environment.java:350) at freemarker.core.Environment.process(Environment.java:323) at freemarker.template.Template.process(Template.java:383) at net.jforum.exceptions.ExceptionWriter.handleExceptionData(ExceptionWriter.java:91) at net.jforum.JForum.handleException(JForum.java:321) at net.jforum.JForum.service(JForum.java:227) at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:716) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:130) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:109) at net.jforum.util.legacy.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:56) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:109) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:167) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:79) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:483) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:115) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:663) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:432) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:905) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1746) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1148) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:636) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Thread.java:1583)
