FreeMarker template error (DEBUG mode; use RETHROW in production!): For "." left-hand operand: Expected a hash, but this has evaluated to a sequence (wrapper: f.t.SimpleSequence): ==> resource.content [in template "symbol.ftl" at line 20, column 68] ---- FTL stack trace ("~" means nesting-related): - Failed at: #if resource.content?? && resource.co... [in template "symbol.ftl" at line 20, column 41] ---- Java stack trace (for programmers): ---- freemarker.core.NonHashException: [... Exception message was already printed; see it above ...] at freemarker.core.Dot._eval(Dot.java:48) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.ExistsExpression._eval(ExistsExpression.java:49) at freemarker.core.Expression.eval(Expression.java:101) at freemarker.core.Expression.evalToBoolean(Expression.java:177) at freemarker.core.Expression.evalToBoolean(Expression.java:163) at freemarker.core.AndExpression.evalToBoolean(AndExpression.java:36) at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:48) at freemarker.core.Environment.visit(Environment.java:347) at freemarker.core.Environment.visit(Environment.java:353) at freemarker.core.Environment.process(Environment.java:326) at freemarker.template.Template.process(Template.java:383) at org.restlet.ext.freemarker.TemplateRepresentation.write(TemplateRepresentation.java:315) at org.restlet.representation.CharacterRepresentation.write(CharacterRepresentation.java:67) at org.restlet.engine.adapter.ServerCall.writeResponseBody(ServerCall.java:509) at org.restlet.engine.adapter.ServerCall.sendResponse(ServerCall.java:453) at org.restlet.ext.servlet.internal.ServletCall.sendResponse(ServletCall.java:421) at org.restlet.engine.adapter.ServerAdapter.commit(ServerAdapter.java:191) at org.restlet.ext.servlet.ServletAdapter.service(ServletAdapter.java:196) at com.supermap.services.rest.RestServlet$AdapterProxy.service(RestServlet.java:283) at com.supermap.services.rest.RestServlet.service(RestServlet.java:86) at javax.servlet.http.HttpServlet.service(HttpServlet.java:623) at com.supermap.server.impl.DefaultServiceInstance.service(DefaultServiceInstance.java:254) at com.supermap.server.api.ServiceInstance.service(ServiceInstance.java:89) at com.supermap.server.host.webapp.handlers.WebAppRequestDispatcher.forward(WebAppRequestDispatcher.java:81) at com.supermap.server.host.webapp.handlers.HandleRequestAndSaveToCacheTask.call(HandleRequestAndSaveToCacheTask.java:66) at com.supermap.server.host.webapp.handlers.HandleRequestAndSaveToCacheTask.call(HandleRequestAndSaveToCacheTask.java:27) at java.base/java.util.concurrent.FutureTask.run(Unknown Source) at com.supermap.server.host.webapp.handlers.ServiceDispatcherHandler.handleRequestByCacheResponse(ServiceDispatcherHandler.java:568) at com.supermap.server.host.webapp.handlers.ServiceDispatcherHandler.handle(ServiceDispatcherHandler.java:423) at com.supermap.server.host.webapp.handlers.AbstractHandler.process(AbstractHandler.java:207) at com.supermap.server.host.webapp.handlers.AbstractHandler.invokeHandlers(AbstractHandler.java:239) at com.supermap.server.host.webapp.handlers.AbstractHandler.invokeLowerPriorityHandlers(AbstractHandler.java:224) at com.supermap.server.host.webapp.handlers.AbstractHandler.process(AbstractHandler.java:209) at com.supermap.server.host.webapp.handlers.BasicHandler.process(BasicHandler.java:313) at com.supermap.server.host.webapp.ApplicationFilter.doFilter(ApplicationFilter.java:258) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at com.supermap.services.filter.TunnelFilter.doFilter(SourceFile:51) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.catalina.filters.CorsFilter.handleNonCORS(CorsFilter.java:331) at org.apache.catalina.filters.CorsFilter.doFilter(CorsFilter.java:158) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.catalina.filters.HttpHeaderSecurityFilter.doFilter(HttpHeaderSecurityFilter.java:129) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:168) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:144) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:482) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:346) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:383) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:936) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1791) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1190) at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:63) at java.base/java.lang.Thread.run(Unknown Source)