{"record":{"id":"b1fbef26ecda04f5","repo":"chinabugotech/hutool","slug":"chronounit-cannot-be-converted-to-timeunit","errorCode":null,"errorMessage":"ChronoUnit cannot be converted to TimeUnit: {}","messagePattern":"ChronoUnit cannot be converted to TimeUnit: (.+?)","errorType":"exception","errorClass":"IllegalArgumentException","httpStatus":null,"severity":"error","filePath":"hutool-core/src/main/java/cn/hutool/core/date/TemporalUtil.java","lineNumber":105,"sourceCode":"\t\t\treturn null;\n\t\t}\n\t\tswitch (unit) {\n\t\t\tcase NANOS:\n\t\t\t\treturn TimeUnit.NANOSECONDS;\n\t\t\tcase MICROS:\n\t\t\t\treturn TimeUnit.MICROSECONDS;\n\t\t\tcase MILLIS:\n\t\t\t\treturn TimeUnit.MILLISECONDS;\n\t\t\tcase SECONDS:\n\t\t\t\treturn TimeUnit.SECONDS;\n\t\t\tcase MINUTES:\n\t\t\t\treturn TimeUnit.MINUTES;\n\t\t\tcase HOURS:\n\t\t\t\treturn TimeUnit.HOURS;\n\t\t\tcase DAYS:\n\t\t\t\treturn TimeUnit.DAYS;\n\t\t\tdefault:\n\t\t\t\tthrow new IllegalArgumentException(\"ChronoUnit cannot be converted to TimeUnit: \" + unit);\n\t\t}\n\t}\n\n\t/**\n\t * 日期偏移,根据field不同加不同值（偏移会修改传入的对象）\n\t *\n\t * @param <T>    日期类型，如LocalDate或LocalDateTime\n\t * @param time   {@link Temporal}\n\t * @param number 偏移量，正数为向后偏移，负数为向前偏移\n\t * @param field  偏移单位，见{@link ChronoUnit}，不能为null\n\t * @return 偏移后的日期时间\n\t */\n\t@SuppressWarnings(\"unchecked\")\n\tpublic static <T extends Temporal> T offset(T time, long number, TemporalUnit field) {\n\t\tif (null == time) {\n\t\t\treturn null;\n\t\t}\n","sourceCodeStart":87,"sourceCodeEnd":123,"githubUrl":"https://github.com/chinabugotech/hutool/blob/8870454b2a0c29cc6ffd31dcf5667c8ceb2fc442/hutool-core/src/main/java/cn/hutool/core/date/TemporalUtil.java#L87-L123","documentation":"Error \"ChronoUnit cannot be converted to TimeUnit: {}\" thrown in chinabugotech/hutool.","triggerScenarios":"Thrown at hutool-core/src/main/java/cn/hutool/core/date/TemporalUtil.java:105 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":["Only convert ChronoUnits that map to TimeUnit (NANOS, MICROS, MILLIS, SECONDS, MINUTES, HOURS, DAYS).","Handle larger units (WEEKS, MONTHS, YEARS) separately, e.g. via Duration or Period."],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"8870454b2a0c29cc6ffd31dcf5667c8ceb2fc442","analyzedAt":"2026-08-14T04:01:12.892Z","schemaVersion":2},"datasetVersion":"2026-08-14T05:17:29.042Z"}