[英]Spring boot Jackson with Date
在我的Spring Boot应用程序中,我应该在html上显示日期字符串。 我使用以下代码获取时间杰森:
spring:
jackson:
date-format: HH:mm:ss.SSSSSS
joda-date-time-format: HH:mm:ss.SSSSSS
当我使用IDEA运行时,它可能是单词,但是当我使用maven打包一个jar并运行此jar时,它就无法工作。 有异常消息:
beans.factory.BeanCreationException: Error creating bean with name 'jacksonObjectMapperBuilder' defined in class path resource [org/springframework/boot/autoconfigure/jackson/JacksonAutoConfiguration$Jac
ksonObjectMapperBuilderConfiguration.class]: Bean instantiation via factory method failed; nested exception is org.springframework.beans.BeanInstantiationException: Failed to instantiate [org.springframe
work.http.converter.json.Jackson2ObjectMapperBuilder]: Factory method 'jacksonObjectMapperBuilder' threw exception; nested exception is java.lang.IllegalArgumentException: name
如何得到一个杰森时间字符串? 这是我的pom.xml
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.example</groupId>
<artifactId>demo</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>jar</packaging>
<name>demo</name>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.5.4.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<properties>
<thymeleaf.version>3.0.0.RELEASE</thymeleaf.version>
<thymeleaf-layout-dialect.version>2.0.0</thymeleaf-layout-dialect.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
而我的表类是:
@Entity
public class TimeData {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private long id;
@Temporal(TemporalType.TIME)
@JsonFormat(shape = JsonFormat.Shape.STRING,pattern = "HH:mm:ss.SSSSSS",timezone = "GMT+8")
private Date curingTime;
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public Date getCuringTime() {
return curingTime;
}
public void setCuringTime(Date curingTime) {
this.curingTime = curingTime;
}
}
在我的春季启动应用程序中,我应该使用TimeData返回一个jason字符串。 使用IDEA可以很好地运行它,但是不能使用jar来运行。
这闻起来像类路径问题。 您的stacktrace也与您的实际代码无关。 我认为您可能会以某种方式引入同一个库的不兼容版本。 确保您实际上需要所有这些依赖项,并查看可以删除的内容并尝试重新运行jar。
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