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Posted to notifications@freemarker.apache.org by "Aniruddha (Jira)" <ji...@apache.org> on 2021/08/04 15:59:00 UTC
[jira] [Closed] (FREEMARKER-185) eval_json fails
[ https://issues.apache.org/jira/browse/FREEMARKER-185?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Aniruddha closed FREEMARKER-185.
--------------------------------
Resolution: Not A Problem
Seems like it's not a bug. Found work around and proper implementation ways.
> eval_json fails
> ---------------
>
> Key: FREEMARKER-185
> URL: https://issues.apache.org/jira/browse/FREEMARKER-185
> Project: Apache Freemarker
> Issue Type: Bug
> Components: engine
> Affects Versions: 2.3.31
> Reporter: Aniruddha
> Priority: Major
> Labels: features
>
>
> {code:java}
> public static void main(String[] args) throws Throwable{
> Configuration cfg = new Configuration(new Version("2.3.31"));
> StringTemplateLoader stringLoader = new StringTemplateLoader();
> cfg.setTemplateLoader(stringLoader);
> StringBuilder sb = new StringBuilder();
> sb.append("<#assign vals = '{ \"success\":true, \"timestamp\":1627886463, \"base\":\"Data1\", \"date\":\"2021-08-02\", \"values\":{ \"data2\":7.5, \"data3\":44, \"data4\":33 }}'?eval_json>");
> sb.append("${vals}");
> stringLoader.putTemplate("sample", sb.toString());
> Map<String, Object> input = new HashMap<String, Object>();
> Template template = cfg.getTemplate("sample");
> Writer consoleWriter = new OutputStreamWriter(System.out);
> template.process(input, consoleWriter);
> }
> {code}
> The above code fails with below error
>
> FreeMarker template error (DEBUG mode; use RETHROW in production!):
> For "${...}" content: Expected a string or something automatically convertible to string (number, date or boolean), or "template output" , but this has evaluated to an extended_hash (wrapper: f.t.SimpleHash):
> ==> vals [in template "sample" at line 1, column 175]
> ----
> FTL stack trace ("~" means nesting-related):
> - Failed at: ${vals} [in template "sample" at line 1, column 173]
> ----
> {{}}
>
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