What is "java.lang.InstantiationException: java.util.Locale" in a portlet? What is "java.lang.InstantiationException: java.util.Locale" in a portlet? https://liferay.dev/c/message_boards/find_thread?p_l_id=119785294&threadId=110864714 2026-04-04T05:53:46Z 2026-04-04T05:53:46Z What is "java.lang.InstantiationException: java.util.Locale" in a portlet? Mirto Silvio Busico https://liferay.dev/c/message_boards/find_message?p_l_id=119785294&messageId=110864713 2018-09-03T14:07:36Z 2018-09-03T14:07:36Z <html><head></head><body><p>Hi all,</p> <p>I'm trying to write localized content in a service builder generated field.</p> <p>The code I have up to now is (for field5 of the default foo entity defined as <code>&amp;lt;column name="field5" type="String" localized="true"/&amp;gt;</code>):</p> <pre> <strong>Set&lt;Locale&gt; locales = LanguageUtil.getAvailableLocales(); Map&lt;Locale, String&gt; map = new HashMap&lt;Locale, String&gt;(); for (Locale locale : locales) { String languageId = LocaleUtil.toLanguageId(locale); String xxx = "field5"; String localeParameter = xxx.concat(StringPool.UNDERLINE).concat(languageId); String yyy = ParamUtil.getString(actionRequest,localeParameter); map.put(locale, yyy); } ByteArrayOutputStream bos = new ByteArrayOutputStream(); XMLEncoder xmlEncoder = new XMLEncoder(bos); xmlEncoder.writeObject(map); xmlEncoder.flush(); String field5 = bos.toString();</strong> </pre> <p>But the loop to assign values to map gives these errors:</p> <pre> java.lang.InstantiationException: java.util.Locale Continuing ... java.lang.Exception: XMLEncoder: discarding statement HashMap.put(Locale, ""); Continuing ... java.lang.InstantiationException: java.util.Locale Continuing ... java.lang.Exception: XMLEncoder: discarding statement HashMap.put(Locale, "italiano"); Continuing ... java.lang.InstantiationException: java.util.Locale Continuing ... java.lang.Exception: XMLEncoder: discarding statement HashMap.put(Locale, ""); Continuing ... java.lang.InstantiationException: java.util.Locale Continuing ... java.lang.Exception: XMLEncoder: discarding statement HashMap.put(Locale, "english"); Continuing ... java.lang.InstantiationException: java.util.Locale Continuing ... java.lang.Exception: XMLEncoder: discarding statement HashMap.put(Locale, ""); Continuing ... </pre> <p>&nbsp;</p> <p>What I'm doing wrong?</p> <p>&nbsp;</p></body></html> Mirto Silvio Busico 2018-09-03T14:07:36Z