[FREEMARKER-106] Unable to parse variable containing special char ${# with freemarker.template.Template.process(object,writer)

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Information Provided
• Affects Version/s: 2.3.23
• Component/s: engine
• Assignee: Unassigned
• Reporter: Amar Gurung
• Created: 30/Oct/18 12:37
• Updated: 11/Nov/18 20:17
• Resolved: 11/Nov/18 20:17

Description

Unable to parse variable containing ${# e.g ${#marker_files[@]} or ${#array[@]}

Sample snippet:

-----------------------------

Configuration cfg = new Configuration(Configuration.VERSION_2_3_28);
cfg.setLogTemplateExceptions(false);
cfg.setClassForTemplateLoading(FtlExpressionEvaluator.class, "templates");
cfg.setDefaultEncoding("UTF-8");
cfg.setLocale(Locale.US);
cfg.setTemplateExceptionHandler(TemplateExceptionHandler.IGNORE_HANDLER);
cfg.setNumberFormat("0.######");

Template t = new Template("freeMarkerTemplate", new StringReader(line), cfg);

 

Error stack:

freemarker.core.ParseException: Syntax error in template "freeMarkerTemplate" in line 1, column 13:
Lexical error: encountered "m" (109), after "#".
at freemarker.core.TokenMgrError.toParseException(TokenMgrError.java:260)
at freemarker.template.Template.<init>(Template.java:269)
at freemarker.template.Template.<init>(Template.java:203)
at freemarker.template.Template.<init>(Template.java:182)
at freemarker.template.Template.<init>(Template.java:125)