我想将数据从有角度的前端发布到我的glassfish rest服务器后端。我想将具有ID，名称和价格的菜单数据发送到后端。我收到一个错误（请参见标题），但似乎无法解决。我不知道出了什么问题，希望有人能帮助我。当我打印出数据时，它会打印出对象：{ “ menuid”：“ 2”， “ name”：“德州培根大餐”， “价格”：“ 5.5” }
前端打字稿文件：
import {Component, OnInit, ViewChild} from '@angular/core';
import {HttpClient, HttpHeaders} from '@angular/common/http';
import {NgForm} from '@angular/forms';
import {empty, Observable} from 'rxjs';
import {any} from 'codelyzer/util/function';
importwser.js:292 {map} from 'rxjs/operators';
@Component({
selector: 'app-menu',
templateUrl: './menu.component.html',
styleUrls: ['./menu.component.css']
})
export class MenuComponent implements OnInit {
public codeValue: string;
codeList = [];
codeListMcd = [
{menuid: 1, name: 'Hamburger menu', price: 3.50},
{menuid: 2, name: 'Big mac menu', price: 5.50},
{menuid: 3, name: 'Quarter Pounder menu', price: 5.50},
{menuid: 4, name: 'Maestro burger menu', price: 6.50},
{menuid: 5, name: 'Big Tasty menu', price: 6.50}
];
codeListKfc = [
{menuid: 1, name: 'Chicken burger menu', price: 3.50},
{menuid: 2, name: 'Chicken bucket menu', price: 5.50},
{menuid: 3, name: 'Spicy chicken menu', price: 5.50},
{menuid: 4, name: 'Tender chicken menu', price: 6.50},
{menuid: 5, name: 'Chicken nuggets menu', price: 6.50}
];
codeListBk = [
{menuid: 1, name: 'Whopper burger menu', price: 3.50},
{menuid: 2, name: 'Texas Bacon king menu', price: 5.50},
{menuid: 3, name: 'Double Steakhouse menu', price: 5.50},
{menuid: 4, name: 'Chili Cheese burger menu', price: 6.50},
{menuid: 5, name: 'Chicken Tendercrisp menu', price: 6.50}
];
codeListDp = [
{menuid: 1, name: 'Pizza Shoarma menu', price: 3.50},
{menuid: 2, name: 'Pizza Roasted veggie menu', price: 5.50},
{menuid: 3, name: 'Pizza Bbq mixed grill menu', price: 5.50},
{menuid: 4, name: 'Pizza Hawaii menu', price: 6.50},
{menuid: 5, name: 'Pizza Americana menu', price: 6.50}
];
codeListNyp = [
{menuid: 1, name: 'Pizza Double Tasty menu', price: 3.50},
{menuid: 2, name: 'Pizza Mixed Grill menu', price: 5.50},
{menuid: 3, name: 'Pizza Margherita menu', price: 5.50},
{menuid: 4, name: 'Pizza BBQ Meatlovers', price: 6.50},
{menuid: 5, name: 'Pizza Downtown Doner menu', price: 6.50}
];
@ViewChild('f', {static: true}) form: NgForm;
menu = {
menuid: ' ',
name: ' ',
price: ' '
};
httpOptions = {
headers: new HttpHeaders({
'Content-Type': 'application/json',
Authorization: 'my-auth-token'
})
};
constructor(private http: HttpClient) {
}
ngOnInit() {
this.http.get('http://localhost:8080/aquadine-jee/resources/restaurant')
.subscribe(
val => {
const restStr = val;
console.log(restStr);
console.log(restStr[0].restaurantName);
// @ts-ignore
const restNaam = JSON.stringify(restStr[restStr.length - 1].restaurantName);
console.log(restNaam);
if (restNaam.toString() === '"Mcdonalds"') {
this.codeList = this.codeListMcd;
} else if (restNaam.toString() === '"Kentucky Fried Chicken"') {
this.codeList = this.codeListKfc;
} else if (restNaam.toString() === '"Burger King"') {
this.codeList = this.codeListBk;
} else if (restNaam.toString() === '"Dominos pizza"') {
this.codeList = this.codeListDp;
} else if (restNaam.toString() === '"New York Pizza"') {
this.codeList = this.codeListNyp;
}
}
);
}
public saveMenu(e): void {
let name = e.target.value;
let list = this.codeList.filter(x => x.name === name)[0];
this.menu.menuid = list.menuid.toString();
this.menu.name = list.name;
this.menu.price = list.price;
console.log(list.menuid);
console.log(list.name);
console.log(list.price);
const httpOptions = {
headers: new HttpHeaders({
'Content-Type': 'application/json'
})
};
const data = {
menuid: list.menuid.toString(),
name: list.name,
price: list.price
};
console.log(data);
this.http.post('http://localhost:8080/aquadine-jee/resources/menu',
data, httpOptions)
.subscribe( // subscribe to observable http.post
res => {
console.log("response" + " " + res); // log results otherwise log error
},
err => {
console.log('Error occured');
}
);
}
}
后端：
package nl.aquadine.model;
import javax.enterprise.inject.Model;
import javax.persistence.*;
/**
* @author huipvandenende
*/
@Entity
@Table(name = "menu")
@NamedQueries({
@NamedQuery(name = "Menu.findOne", query = "select m from Menu m where m.id = :id"),
@NamedQuery(name = "Menu.getAll", query = "select m from Menu m")
}
)
public class Menu {
@Id
@GeneratedValue
private long id;
int menuid;
private String name;
private int price;
public Menu() {
}
public Menu(String name, int price, int menuid) {
this.name = name;
this.price = price;
this.menuid = menuid;
}
public int getMenuid() {
return menuid;
}
public void setMenuid(int menuid) {
this.menuid = menuid;
}
public int getPrice() {
return price;
}
public void setPrice(int price) {
this.price = price;
}
// public long getId() {
// return id;
// }
//
// public void setId(long id) {
// this.id = id;
// }
public long getId(){
return id;
}
public void setId(long id){
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
后端存储库文件：
package nl.aquadine.rest;
import nl.aquadine.model.Menu;
import nl.aquadine.service.Impl.RepositoryServiceImpl;
import nl.aquadine.service.RepositoryService;
import javax.ejb.Stateless;
import javax.enterprise.inject.Model;
import javax.inject.Inject;
import javax.ws.rs.*;
import javax.ws.rs.core.Response;
import java.util.List;
/**
* @author huipvandenende
*/
@Path("menu")
public class MenuResource {
private RepositoryService repositoryService;
public MenuResource() {
repositoryService = RepositoryServiceImpl.getInstance();
}
// @GET
// @Produces("application/json")
// public List<Menu> all() {
// return repositoryService.getAllMenus();
// }
@GET
@Produces("application/json")
public Response all(){
List<Menu> all = repositoryService.getAllMenus();
return Response
.status(200)
.header("Access-Control-Allow-Origin", "*")
.entity(all)
.build();
}
@POST
@Consumes("application/json")
public Response save(Menu menu){
repositoryService.save(menu);
return Response
.status(201)
.build();
}
@PUT
@Consumes("application/json")
public void update(Menu menu) {
repositoryService.update(menu);
}
@DELETE
@Path("/{id}")
@Consumes("application/json")
public void delete(@PathParam("id") Long id) {
Menu menu = repositoryService.find(id);
repositoryService.delete(menu);
}
}
玻璃鱼日志中的错误日志：
[2019-06-05T20:35:07.258+0200] [Payara 5.191] [INFO] [] [] [tid: _ThreadID=32 _ThreadName=http-thread-pool::http-listener-1(4)] [timeMillis: 1559759707258] [levelValue: 800] [[
Hibernate: select restaurant0_.id as id1_2_, restaurant0_.restaurantAdres as restaura2_2_, restaurant0_.restaurantId as restaura3_2_, restaurant0_.restaurantName as restaura4_2_ from restaurant restaurant0_]]
[2019-06-05T20:35:14.822+0200] [Payara 5.191] [SEVERE] [] [fish.payara.microprofile.opentracing.jaxrs.JaxrsContainerRequestTracingFilter] [tid: _ThreadID=30 _ThreadName=http-thread-pool::http-listener-1(2)] [timeMillis: 1559759714822] [levelValue: 1000] [[
javax.ws.rs.ProcessingException: Error deserializing object from entity stream.
javax.ws.rs.ProcessingException: Error deserializing object from entity stream.
at org.glassfish.jersey.jsonb.internal.JsonBindingProvider.readFrom(JsonBindingProvider.java:101)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.invokeReadFrom(ReaderInterceptorExecutor.java:257)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor$TerminalReaderInterceptor.aroundReadFrom(ReaderInterceptorExecutor.java:236)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:156)
at org.glassfish.jersey.server.internal.MappableExceptionWrapperInterceptor.aroundReadFrom(MappableExceptionWrapperInterceptor.java:73)
at org.glassfish.jersey.message.internal.ReaderInterceptorExecutor.proceed(ReaderInterceptorExecutor.java:156)
at org.glassfish.jersey.message.internal.MessageBodyFactory.readFrom(MessageBodyFactory.java:1093)
at org.glassfish.jersey.message.internal.InboundMessageContext.readEntity(InboundMessageContext.java:874)
at org.glassfish.jersey.server.ContainerRequest.readEntity(ContainerRequest.java:271)
at org.glassfish.jersey.server.internal.inject.EntityParamValueParamProvider$EntityValueSupplier.apply(EntityParamValueParamProvider.java:98)
at org.glassfish.jersey.server.internal.inject.EntityParamValueParamProvider$EntityValueSupplier.apply(EntityParamValueParamProvider.java:81)
at org.glassfish.jersey.server.spi.internal.ParamValueFactoryWithSource.apply(ParamValueFactoryWithSource.java:75)
at org.glassfish.jersey.server.spi.internal.ParameterValueHelper.getParameterValues(ParameterValueHelper.java:93)
at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$AbstractMethodParamInvoker.getParamValues(JavaResourceMethodDispatcherProvider.java:133)
at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:200)
at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:103)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:493)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:415)
at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:104)
at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:277)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:272)
at org.glassfish.jersey.internal.Errors$1.call(Errors.java:268)
at org.glassfish.jersey.internal.Errors.process(Errors.java:316)
at org.glassfish.jersey.internal.Errors.process(Errors.java:298)
at org.glassfish.jersey.internal.Errors.process(Errors.java:268)
at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:289)
at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:256)
at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:704)
at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:416)
at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:370)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:389)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:342)
at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:229)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1628)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:258)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:160)
at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:755)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:575)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:99)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:159)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:371)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:238)
at com.sun.enterprise.v3.services.impl.ContainerMapper$HttpHandlerCallable.call(ContainerMapper.java:520)
at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:217)
at org.glassfish.grizzly.http.server.HttpHandler.runService(HttpHandler.java:182)
at org.glassfish.grizzly.http.server.HttpHandler.doHandle(HttpHandler.java:156)
at org.glassfish.grizzly.http.server.HttpServerFilter.handleRead(HttpServerFilter.java:218)
at org.glassfish.grizzly.filterchain.ExecutorResolver$9.execute(ExecutorResolver.java:95)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeFilter(DefaultFilterChain.java:260)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.executeChainPart(DefaultFilterChain.java:177)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.execute(DefaultFilterChain.java:109)
at org.glassfish.grizzly.filterchain.DefaultFilterChain.process(DefaultFilterChain.java:88)
at org.glassfish.grizzly.ProcessorExecutor.execute(ProcessorExecutor.java:53)
at org.glassfish.grizzly.nio.transport.TCPNIOTransport.fireIOEvent(TCPNIOTransport.java:524)
at org.glassfish.grizzly.strategies.AbstractIOStrategy.fireIOEvent(AbstractIOStrategy.java:89)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.run0(WorkerThreadIOStrategy.java:94)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy.access$0(WorkerThreadIOStrategy.java:90)
at org.glassfish.grizzly.strategies.WorkerThreadIOStrategy$WorkerThreadRunnable.run(WorkerThreadIOStrategy.java:114)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:569)
at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:549)
at java.lang.Thread.run(Thread.java:748)
Caused by: javax.json.bind.JsonbException: Error deserialize JSON value into type: class java.lang.Integer.
at org.eclipse.yasson.internal.serializer.IntegerTypeDeserializer.lambda$deserialize$1(IntegerTypeDeserializer.java:48)
at java.util.Optional.orElseGet(Optional.java:267)
at org.eclipse.yasson.internal.serializer.IntegerTypeDeserializer.deserialize(IntegerTypeDeserializer.java:44)
at org.eclipse.yasson.internal.serializer.IntegerTypeDeserializer.deserialize(IntegerTypeDeserializer.java:29)
at org.eclipse.yasson.internal.serializer.AbstractValueTypeDeserializer.deserialize(AbstractValueTypeDeserializer.java:64)
at org.eclipse.yasson.internal.serializer.ObjectDeserializer.deserializeNext(ObjectDeserializer.java:170)
at org.eclipse.yasson.internal.serializer.AbstractContainerDeserializer.deserializeInternal(AbstractContainerDeserializer.java:85)
at org.eclipse.yasson.internal.serializer.AbstractContainerDeserializer.deserialize(AbstractContainerDeserializer.java:61)
at org.eclipse.yasson.internal.Unmarshaller.deserializeItem(Unmarshaller.java:61)
at org.eclipse.yasson.internal.Unmarshaller.deserialize(Unmarshaller.java:51)
at org.eclipse.yasson.internal.JsonBinding.deserialize(JsonBinding.java:45)
at org.eclipse.yasson.internal.JsonBinding.fromJson(JsonBinding.java:85)
at org.glassfish.jersey.jsonb.internal.JsonBindingProvider.readFrom(JsonBindingProvider.java:99)
... 60 more
]]