我想了解如何在NetBeans中使用Spring进行REST服务。无法从REST请求获取响应 - Java NetBeans with Spring Beans
在我的应用程序中,我创建了一个bean,并在我的pom.xml文件中放入依赖关系。
当我做了我的要求(我知道的作品,当我在浏览器中输入它并取回JSON),我得到以下错误:
--- exec-maven-plugin:1.2.1:exec (default-cli) @ AutoNGplusAPITest ---
Exception in thread "AWT-EventQueue-0" org.springframework.web.client.RestClientException: Could not extract response: no suitable HttpMessageConverter found for response type [interface java.util.Map] and content type [text/html;charset=utf-8]
at org.springframework.web.client.HttpMessageConverterExtractor.extractData(HttpMessageConverterExtractor.java:108)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:773)
at org.springframework.web.client.RestTemplate$ResponseEntityResponseExtractor.extractData(RestTemplate.java:758)
at org.springframework.web.client.RestTemplate.doExecute(RestTemplate.java:535)
at org.springframework.web.client.RestTemplate.execute(RestTemplate.java:489)
at org.springframework.web.client.RestTemplate.exchange(RestTemplate.java:431)
at com.blackstonesoftwaretechnologies.startPage.sendURIActionPerformed(startPage.java:467)
at com.blackstonesoftwaretechnologies.startPage.access$800(startPage.java:26)
at com.blackstonesoftwaretechnologies.startPage$9.actionPerformed(startPage.java:218)
at javax.swing.AbstractButton.fireActionPerformed(AbstractButton.java:2022)
at javax.swing.AbstractButton$Handler.actionPerformed(AbstractButton.java:2348)
at javax.swing.DefaultButtonModel.fireActionPerformed(DefaultButtonModel.java:402)
at javax.swing.DefaultButtonModel.setPressed(DefaultButtonModel.java:259)
at javax.swing.plaf.basic.BasicButtonListener.mouseReleased(BasicButtonListener.java:252)
at java.awt.Component.processMouseEvent(Component.java:6533)
at javax.swing.JComponent.processMouseEvent(JComponent.java:3324)
at java.awt.Component.processEvent(Component.java:6298)
at java.awt.Container.processEvent(Container.java:2236)
at java.awt.Component.dispatchEventImpl(Component.java:4889)
at java.awt.Container.dispatchEventImpl(Container.java:2294)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.LightweightDispatcher.retargetMouseEvent(Container.java:4888)
at java.awt.LightweightDispatcher.processMouseEvent(Container.java:4525)
at java.awt.LightweightDispatcher.dispatchEvent(Container.java:4466)
at java.awt.Container.dispatchEventImpl(Container.java:2280)
at java.awt.Window.dispatchEventImpl(Window.java:2746)
at java.awt.Component.dispatchEvent(Component.java:4711)
at java.awt.EventQueue.dispatchEventImpl(EventQueue.java:758)
at java.awt.EventQueue.access$500(EventQueue.java:97)
at java.awt.EventQueue$3.run(EventQueue.java:709)
at java.awt.EventQueue$3.run(EventQueue.java:703)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:86)
at java.awt.EventQueue$4.run(EventQueue.java:731)
at java.awt.EventQueue$4.run(EventQueue.java:729)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$JavaSecurityAccessImpl.doIntersectionPrivilege(ProtectionDomain.java:76)
at java.awt.EventQueue.dispatchEvent(EventQueue.java:728)
at java.awt.EventDispatchThread.pumpOneEventForFilters(EventDispatchThread.java:201)
at java.awt.EventDispatchThread.pumpEventsForFilter(EventDispatchThread.java:116)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(EventDispatchThread.java:105)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:101)
at java.awt.EventDispatchThread.pumpEvents(EventDispatchThread.java:93)
at java.awt.EventDispatchThread.run(EventDispatchThread.java:82)
------------------------------------------------------------------------
BUILD SUCCESS
------------------------------------------------------------------------
Total time: 19.966s
Finished at: Wed Sep 14 11:15:07 EDT 2016
Final Memory: 6M/106M
这里是我的Java代码我正在运行通过REST调用的类文件:
private void sendURIActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
String link, api = null;
link = parseString(endpointAPI.getText());
shortResults.setText("URI under Test is: " + String.valueOf(link) + ". \n" + "Please wait ..." + "\n\n\n" + "Results: " + "\n");
//api = parseString(endpointAPI.getText());
Object[] row = {link, "", "200", ""};
DefaultTableModel model = (DefaultTableModel) parameterTable.getModel();
model.addRow(row);
RestTemplate restTemplate = new RestTemplate();
HttpHeaders requestHeaders = new HttpHeaders();
requestHeaders.add("Content-Type","application/json");
HttpEntity<String> request = new HttpEntity<>(requestHeaders);
String tokenaccess = "";
String apiUndertest1 = restTemplate.exchange(link, HttpMethod.GET, request, String.class).getBody();
Map result = restTemplate.exchange(link, HttpMethod.GET, request, Map.class).getBody();
shortResults.append(apiUndertest1);
}
我在想什么? 我假设在pom.xml文件中,我下载的弹簧依赖关系将负责JSON转换。
我使用的示例网址:https://github.com和http://jsonplaceholder.typicode.com/posts/1
有人可以帮助我了解,我做了我的错误,并告诉我如何纠正它(缺码,代码结构,等等)。我真的很想正确地学习这一点。
感谢
我为一个微不足道的问题表示歉意,但请问什么是参数messageConverters,我该如何设置它们?我是否将其设置为ArrayList? – ironmantis7x
我改写了我的例子,所以它的用例现在应该更清楚了。 –
我收到错误“线程中的异常”AWT-EventQueue-0“java.lang.IllegalArgumentException:'messageConverters'不能为空”在输入您发布的代码后。我在我的理解中缺少一些非常基本的东西。如何设置messageConverter使其不是空的? – ironmantis7x