如何解决ClientBuilder / WebTarget程序中带有DateTimeParseException / JsonbException的JSON解析日期
当我的程序使用包含JSON
的{{1}}服务而不是POST
客户端程序Body
时,我无法解析REST
的日期效果很好。
使用邮递员的URL http:// localhost:8080 / api / v1 / customers / createPurchaser
我的程序客户端控制台的输出是:
java.time.format.DateTimeParseException:无法在索引0处解析文本'653038060000'
我的程序客户端(Postman
类)的代码是:
ConsumingServices
输出:
import java.sql.Timestamp;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.concurrent.TimeUnit;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
public class ConsumingServices {
public static void main(String[] args) {
Customer customer = new Customer();
customer.setFirstName("John");
customer.setLastName("Mason");
customer.setEmail("john.mason@mail.com");
customer.setDateOfBirth(new Date());
customer.setStatus(CustomerStatus.ACTIVE);
ClientBuilder clientBuilder = ClientBuilder.newBuilder();
clientBuilder.connectTimeout(1000,TimeUnit.SECONDS);
clientBuilder.readTimeout(1000,TimeUnit.SECONDS);
Client client = clientBuilder.build();
WebTarget target = client.target("http://localhost:8080/api/v1/customers");
Invocation.Builder invocationBuilder = target.path("createPurchaser")
.request(MediaType.APPLICATION_JSON)
.accept(MediaType.APPLICATION_JSON)
;
Response response = invocationBuilder
.header("Authorization","1234")
.post(Entity.entity(customer,MediaType.APPLICATION_JSON));
System.out.println("response.getStatus():" + response.getStatus());
if (response.getStatus() == Response.Status.OK.getStatusCode()) {
Purchaser purchaser = response.readEntity(Purchaser.class);
System.out.println("purchaser:".concat(purchaser.toString()));
} else {
if (MediaType.TEXT_PLAIN_TYPE.equals(response.getMediaType())) {
String message = response.readEntity(String.class);
System.out.println("message:" + message);
} else if (MediaType.APPLICATION_JSON.equals(response.getMediaType())) {
ApiError apiError = response.readEntity(ApiError.class);
System.out.println("apiError:".concat(apiError.toString()));
} else {
System.out.println("response.getMediaType():" + response.getMediaType());
String content = response.readEntity(String.class);
System.out.println("message:" + content);
}
}
}
}
样式输出。
--- exec-maven-plugin:1.5.0:exec (default-cli) @ acme-customers-client ---
response.getStatus():500
response.getMediaType():text/html
message:<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><title>Payara Server 5.2020.3 #badassfish - Error report</title><style type="text/css"><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - Internal Server Error</h1><hr/><p><b>type</b> Exception report</p><p><b>message</b>Internal Server Error</p><p><b>description</b>The server encountered an internal error that prevented it from fulfilling this request.</p><p><b>exception</b> <pre>javax.servlet.servletexception: javax.ws.rs.ProcessingException: Error deserializing object from entity stream.</pre></p><p><b>root cause</b> <pre>javax.ws.rs.ProcessingException: Error deserializing object from entity stream.</pre></p><p><b>root cause</b> <pre>javax.json.bind.JsonbException: Unable to deserialize property 'dateOfBirth' because of: Error parsing class java.util.Date from value: 1599180453470. Check your @JsonbDateFormat has all time units for class java.util.Date type,or consider using org.eclipse.yasson.YassonConfig#ZERO_TIME_PARSE_DEFAULTING.</pre></p><p><b>root cause</b> <pre>javax.json.bind.JsonbException: Error parsing class java.util.Date from value: 1599180453470. Check your @JsonbDateFormat has all time units for class java.util.Date type,or consider using org.eclipse.yasson.YassonConfig#ZERO_TIME_PARSE_DEFAULTING.</pre></p><p><b>root cause</b> <pre>java.time.format.DateTimeParseException: Text '1599180453470' Could not be parsed at index 0</pre></p><p><b>note</b> <u>The full stack traces of the exception and its root causes are available in the Payara Server 5.2020.3 #badassfish logs.</u></p><hr/><h3>Payara Server 5.2020.3 #badassfish</h3></body></html>
------------------------------------------------------------------------
BUILD SUCCESS
------------------------------------------------------------------------
Total time: 5.574 s
Finished at: 2020-09-03T19:47:36-05:00
------------------------------------------------------------------------
type Exception report
messageInternal Server Error
descriptionThe server encountered an internal error that prevented it from fulfilling this request.
exception
javax.servlet.servletexception: javax.ws.rs.ProcessingException: Error deserializing object from entity stream.
root cause
javax.ws.rs.ProcessingException: Error deserializing object from entity stream.
root cause
javax.json.bind.JsonbException: Unable to deserialize property 'dateOfBirth' because of: Error parsing class java.util.Date from value: 653038060000. Check your @JsonbDateFormat has all time units for class java.util.Date type,or consider using org.eclipse.yasson.YassonConfig#ZERO_TIME_PARSE_DEFAULTING.
root cause
javax.json.bind.JsonbException: Error parsing class java.util.Date from value: 653038060000. Check your @JsonbDateFormat has all time units for class java.util.Date type,or consider using org.eclipse.yasson.YassonConfig#ZERO_TIME_PARSE_DEFAULTING.
root cause
java.time.format.DateTimeParseException: Text '653038060000' Could not be parsed at index 0
类(此问题中的所有代码均为javax.ws.rs.ProcessingException,could not find writer for content-type application/json type,in Payara Server 5)
Customer
我的程序客户端的import java.io.Serializable;
import java.util.Date;
import javax.xml.bind.annotation.XmlRootElement;
@XmlRootElement
public class Customer extends BaseType implements Serializable {
private String firstName;
private String lastName;
private CustomerStatus status;
private String email;
private Date dateOfBirth;
public String getFirstName() {
return firstName;
}
public void setFirstName(String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(String lastName) {
this.lastName = lastName;
}
public CustomerStatus getStatus() {
return status;
}
public void setStatus(CustomerStatus status) {
this.status = status;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public Date getDateOfBirth() {
return dateOfBirth;
}
public void setDateOfBirth(Date dateOfBirth) {
this.dateOfBirth = dateOfBirth;
}
}
依赖项是:
pom.xml
如果使用REST客户端程序可以正常工作,如何在客户端中解决此问题(使用<dependencies>
<dependency>
<groupId>com.acme</groupId>
<artifactId>acme-customers-lib</artifactId>
<version>1.0.0-SNAPSHOT</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.glassfish.jersey.core/jersey-client -->
<dependency>
<groupId>org.glassfish.jersey.core</groupId>
<artifactId>jersey-client</artifactId>
<version>2.31</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.glassfish.jersey.inject/jersey-hk2 -->
<dependency>
<groupId>org.glassfish.jersey.inject</groupId>
<artifactId>jersey-hk2</artifactId>
<version>2.31</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.glassfish.jersey.media/jersey-media-json-jackson -->
<dependency>
<groupId>org.glassfish.jersey.media</groupId>
<artifactId>jersey-media-json-jackson</artifactId>
<version>2.31</version>
</dependency>
</dependencies>
程序?
解决方法
您的问题很可能是在客户端程序中将Customer
类实例解析为JSON。请注意,在Postman中,您已经提供了正确的JSON(您希望将Customer
类实例解析为JSON),但是在客户端程序中,您希望Http客户端代码来解析Customer
类在这段代码中将实例转换为JSON:
Response response = invocationBuilder
.header("Authorization","1234")
.post(Entity.entity(customer,MediaType.APPLICATION_JSON));
但是,正如错误消息告诉您的那样,日期已解析为“ 653038060000”。因此,我建议首先测试我的假设是否正确,尝试从客户端程序发送JSON文本而不是Customer
类实例。如果我的假设是正确的,那将会奏效。如果是这样,则您需要确保将Customer
类实例解析为JSON的任何方法都是正确的。可以自己使用一些JSON库(我建议Jackson Json,GitHub Jackson home。这是Maven工件:
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
</dependency>
)或让您的Http客户端Invocation.Builder
正确解析它。为此,您可能需要在Customer类中添加以下注释:
@JsonFormat(shape = JsonFormat.Shape.STRING,pattern = "yyyy-MM-dd'T'HH:mm:ss.SSSZ")
private Date dateOfBirth;
您可能需要向代码中添加相同的Jackson Maven工件。有关详细的答案,请参见以下问题:Spring Data JPA - ZonedDateTime format for json serialization
另外,如果您使用的是Java 8或更高版本,我非常强烈,建议不要使用过时的Date
类(无双关语),而是改用java.time
软件包并改用{ {3}}类或其他可用类,例如LocalDateTime
或ZonedDateTime
或其他。
最后,如果您愿意,可以尝试使用MgntUtils库中的另一个3d派对Http客户端。这是它的JavaDoc:LocalDate。您可以在HttpClient和Maven Artifacts上找到该库本身(包括源代码和Javadoc)。该库虽然不会将类解析为JSON,但可以将文本作为请求正文发送。 (免责声明:这个库是我写的。)
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