chinabugotech/hutool · error · DateException
No format fit for date String [{}] !
Error message
No format fit for date String [{}] ! What it means
Error "No format fit for date String [{}] !" thrown in chinabugotech/hutool.
Source
Thrown at hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java:956
} else {
// 格式类似：2018-09-13T05:34:31-08:00
return new DateTime(iso8601String, DatePattern.UTC_WITH_XXX_OFFSET_FORMAT);
}
} else {
if (length == DatePattern.UTC_SIMPLE_PATTERN.length() - 2) {
// 格式类似：2018-09-13T05:34:31
return parse(iso8601String, DatePattern.UTC_SIMPLE_FORMAT);
} else if (length == DatePattern.UTC_SIMPLE_PATTERN.length() - 5) {
// 格式类似：2018-09-13T05:34
return parse(iso8601String + ":00", DatePattern.UTC_SIMPLE_FORMAT);
} else if (StrUtil.contains(iso8601String, CharUtil.DOT)) {
// 可能为： 2021-03-17T06:31:33.99
iso8601String = normalizeMillSeconds(iso8601String, ".", null);
return parse(iso8601String, DatePattern.UTC_SIMPLE_MS_FORMAT);
}
}
// 没有更多匹配的时间格式
throw new DateException("No format fit for date String [{}] !", iso8601String);
}
/**
* 解析CST时间，格式：<br>
* <ol>
* <li>EEE MMM dd HH:mm:ss z yyyy（例如：Wed Aug 01 00:00:00 CST 2012）</li>
* </ol>
*
* @param cstString UTC时间
* @return 日期对象
* @since 4.6.9
* @deprecated 理解错误，请使用{@link #parseRFC2822(CharSequence)}
*/
@Deprecated
public static DateTime parseCST(CharSequence cstString) {
return parseRFC2822(cstString);
}
View on GitHub (pinned to 8870454b2a)
Solutions
- Trim the input and ensure it uses a known date format (e.g. yyyy-MM-dd).
- Specify the expected format explicitly via DateUtil.parse(str, format).
- Normalize separators and timezone info before parsing.
When it happens
Trigger: Thrown at hutool-core/src/main/java/cn/hutool/core/date/DateUtil.java:956 when the library encounters an invalid state.
Common situations: See trigger scenarios.
AI-assisted analysis of chinabugotech/hutool@8870454b2a (2026-08-14).
Data as JSON: /api/errors/14a0b1b694cdf510.
Report an issue: GitHub.