无法从String反序列化java.time.LocalDateTime类型的值

我有以下配置:

    @Bean
    @Primary
    public ObjectMapper objectMapper(Jackson2ObjectMapperBuilder builder) {
        ObjectMapper objectMapper = builder.createXmlMapper(false).build();
        objectMapper.configure(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS, false);
//        objectMapper.configure(SerializationFeature.WRITE_DATE_TIMESTAMPS_AS_NANOSECONDS, false);
        return objectMapper;
    }

以及依赖关系:

ext {
        springBootVersion = '1.5.2.RELEASE'
    }
.... 
dependencies {
    compile('org.springframework.boot:spring-boot-starter-websocket')
    compile("org.springframework:spring-messaging")
    compile('org.springframework.boot:spring-boot-starter-actuator')
    compile('org.springframework.boot:spring-boot-starter-thymeleaf')
    compile('org.springframework.boot:spring-boot-starter-validation')
    compile('org.springframework.boot:spring-boot-starter-web')
    compile group: 'net.jcip', name: 'jcip-annotations', version: '1.0'
    compile ("com.fasterxml.jackson.datatype:jackson-datatype-jsr310")
    testCompile('org.springframework.boot:spring-boot-starter-test')
}

我添加了以下控制器:

@PostMapping("/validation_test")
    public String testValidation(@Valid @RequestBody ClientInputMessage clientInputMessage, BindingResult result) {
        logger.info(Arrays.toString(result.getAllErrors().toArray()));
        return "main";
    }


public class ClientInputMessage {
    @NotEmpty
    private String num1;
    @NotEmpty
    private String num2;
    @Past
    private LocalDateTime date;

如果我像这样传递json:

{
      "num1":"324",
      "num2":123,
      "date":"2014-01-01"
    }

应用程序打印输出:

Failed to read HTTP message: org.springframework.http.converter.HttpMessageNotReadableException: Could not read document: Can not deserialize value of type java.time.LocalDateTime from String "2014-01-01": Text '2014-01-01' could not be parsed at index 10
 at [Source: java.io.PushbackInputStream@1204f40f; line: 4, column: 8] (through reference chain: model.ClientInputMessage["date"]); nested exception is com.fasterxml.jackson.databind.exc.InvalidFormatException: Can not deserialize value of type java.time.LocalDateTime from String "2014-01-01": Text '2014-01-01' could not be parsed at index 10
 at [Source: java.io.PushbackInputStream@1204f40f; line: 4, column: 8] (through reference chain: model.ClientInputMessage["date"])
最佳答案
原始答案:

java中的LocalDateTime不接受“2014-01-01”作为有效日期字符串.

一些额外的信息:

如果您实际上并不关心您的日期类型(LocalDate,OffsetDate,ZonedDate,…),您可以将其设为TemporalAccessor,然后使用DateTimeFormatter::parseBest来解析日期.

附:
字符串“2014-01-01T00:00:00”对LocalDateTime有效

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