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From "Daniel Dekany (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FREEMARKER-106) Unable to parse variable containing special char ${# with freemarker.template.Template.process(object,writer)
Date Thu, 01 Nov 2018 13:11:00 GMT

    [ https://issues.apache.org/jira/browse/FREEMARKER-106?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16671600#comment-16671600
] 

Daniel Dekany commented on FREEMARKER-106:
------------------------------------------

Forgot to react to {{IGNORE_HANDLER}}... as the documentation says, it simply skips the failing
instructions. It won't print the source code in place of it, it prints nothing in place
of it. So, personally, I would never use it, as it basically hides bugs.

> Unable to parse variable containing special char ${# with freemarker.template.Template.process(object,writer)
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: FREEMARKER-106
>                 URL: https://issues.apache.org/jira/browse/FREEMARKER-106
>             Project: Apache Freemarker
>          Issue Type: Bug
>          Components: engine
>    Affects Versions: 2.3.23
>            Reporter: Amar Gurung
>            Priority: Major
>
> 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)
>  



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