Shofwan :
I have a sendGetREST method to send some URL endpoint and get the response:
@Component
public class HttpURLCommand {
private static Logger logger = Logger.getLogger(HttpURLCommand.class);
public String sendGetREST(String soapUrl, Object[] parameters) throws IOException{
final String SOAP_URL = MessageFormat.format(soapUrl, parameters);
RestTemplate restTemplate = new RestTemplate();
ResponseEntity<String> response = restTemplate.getForEntity(SOAP_URL, String.class);
logger.info("status code is: "+response.getStatusCode());
if(response.getStatusCode().equals(HttpStatus.OK)){
logger.info("send success");
return response.getBody();
}
else {
logger.info("send failed");
return null;
}
}
}
Which is working well. However, in order to make the timeout time customizable, I have this HTTPConfiguration from this tutorial:
@Configuration
public class HTTPConfiguration {
@Bean
public RestTemplate restTemplate() {
return new RestTemplate(clientHttpRequestFactory());
}
private ClientHttpRequestFactory clientHttpRequestFactory() {
HttpComponentsClientHttpRequestFactory factory = new HttpComponentsClientHttpRequestFactory();
factory.setReadTimeout(60000);
factory.setConnectTimeout(60000);
return factory;
}
}
So the class will be calling restTemplate like this:
@Component
public class HttpURLCommand {
private static Logger logger = Logger.getLogger(HttpURLCommand.class);
@Autowired
RestTemplate restTemplate;
public String sendGetREST(String soapUrl, Object[] parameters) throws IOException{
final String SOAP_URL = MessageFormat.format(soapUrl, parameters);
ResponseEntity<String> response = restTemplate.getForEntity(SOAP_URL, String.class);
logger.info("status code is: "+response.getStatusCode());
if(response.getStatusCode().equals(HttpStatus.OK)){
logger.info("send success");
return response.getBody();
}
else {
logger.info("send failed");
return null;
}
}
}
But unfortunately return this following error when builds the spring-boot app:
Caused by: java.lang.NoClassDefFoundError: org/apache/http/protocol/HttpContext
at com.xl.MbbI.config.HTTPConfiguration.clientHttpRequestFactory(HTTPConfiguration.java:25) ~[classes/:na]
at com.xl.MbbI.config.HTTPConfiguration.restTemplate(HTTPConfiguration.java:21) ~[classes/:na]
at com.xl.MbbI.config.HTTPConfiguration$$EnhancerBySpringCGLIB$$191f99f.CGLIB$restTemplate$0(<generated>) ~[na:na]
at com.xl.MbbI.config.HTTPConfiguration$$EnhancerBySpringCGLIB$$191f99f$$FastClassBySpringCGLIB$$8330ce57.invoke(<generated>) ~[na:na]
at org.springframework.cglib.proxy.MethodProxy.invokeSuper(MethodProxy.java:228) ~[spring-core-4.3.0.RC2.jar:4.3.0.RC2]
at org.springframework.context.annotation.ConfigurationClassEnhancer$BeanMethodInterceptor.intercept(ConfigurationClassEnhancer.java:356) ~[spring-context-4.3.0.RC2.jar:4.3.0.RC2]
at com.xl.MbbI.config.HTTPConfiguration$$EnhancerBySpringCGLIB$$191f99f.restTemplate(<generated>) ~[na:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.7.0_60]
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0_60]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[na:1.7.0_60]
at java.lang.reflect.Method.invoke(Unknown Source) ~[na:1.7.0_60]
at org.springframework.beans.factory.support.SimpleInstantiationStrategy.instantiate(SimpleInstantiationStrategy.java:162) ~[spring-beans-4.3.0.RC2.jar:4.3.0.RC2]
... 24 common frames omitted
Caused by: java.lang.ClassNotFoundException: org.apache.http.protocol.HttpContext
at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.7.0_60]
at java.net.URLClassLoader$1.run(Unknown Source) ~[na:1.7.0_60]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.7.0_60]
at java.net.URLClassLoader.findClass(Unknown Source) ~[na:1.7.0_60]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.7.0_60]
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[na:1.7.0_60]
at java.lang.ClassLoader.loadClass(Unknown Source) ~[na:1.7.0_60]
... 36 common frames omitted
FYI the error is much more than displayed above.
The first line is something like:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'restTemplate' defined in class path resource .....
NangSaigon :
Caused by: java.lang.NoClassDefFoundError: org/apache/http/protocol/HttpContext
The error shows that there was a problem with your classpath, it could be because there is no class or.apache.http.protocol.HttpContext in your classpath. This class is often used by Spring RestTemplate. Normally we can find this class in the Apache httpclient library. You should check again your dependencies. If you can not find it, you can consider to add below dependency (if you use Maven)
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpclient</artifactId>
<version>4.5.2</version>
</dependency>
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