java 来自客户端的超时 Web 服务调用
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Timeout webservice call from client side
提问by n002213f
I'm calling a webservice using RestEasy Client. One requirement is to abort/timeout the call if it runs for more that 5 seconds. How would I achieve this with RestEasy Client? I have only seen server side timeout, i.e. the Rest Easy websevice will timeout the request if it's not fulfilled within a certain time.
我正在使用 RestEasy Client 调用网络服务。一项要求是，如果呼叫运行超过 5 秒，则中止/超时呼叫。我将如何使用 RestEasy Client 实现这一目标？我只见过服务器端超时，即如果在特定时间内未完成，Rest Easy websevice 将超时请求。
回答by Carter Page
A RESTEasy client typically uses Apache HttpClient to handle the network conversation.
RESTEasy 客户端通常使用 Apache HttpClient 来处理网络对话。
You can override the HttpClient properties with your own custom timeout parameters:
您可以使用自己的自定义超时参数覆盖 HttpClient 属性：
DefaultHttpClient httpClient = new DefaultHttpClient();
HttpParams params = httpClient.getParams();
HttpConnectionParams.setConnectionTimeout(params, connectionTimeoutMillis);
HttpConnectionParams.setSoTimeout(params, socketTimeoutMillis);
The first param allows you to specify timeout establishing the initial connection and the second allows you to specify the maximum period of time in which a socket will wait while no data is sent.
第一个参数允许您指定建立初始连接的超时时间，第二个参数允许您指定套接字在没有数据发送时等待的最长时间。
You can use the modified HttpClient to build your ClientExecutor:
您可以使用修改后的 HttpClient 来构建您的 ClientExecutor：
ClientExecutor executor = new ApacheHttpClient4Executor(httpClient);
Which can be used in turn to build a ClientRequest object. Or you can inject it into a RestClientProxyFactoryBean if you are using a Spring configuration for RESTEasy.
它可以依次用于构建 ClientRequest 对象。或者，如果您使用的是 RESTEasy 的 Spring 配置，则可以将其注入 RestClientProxyFactoryBean。
It's not exactly the same as an absolute 5 second timeout, but depending on what you are trying to accomplish, tweaking these two properties will usually fill the bill.
它与绝对 5 秒超时并不完全相同，但取决于您要完成的任务，调整这两个属性通常会满足要求。
回答by Malik Atalla
If you prefer the builder pattern here is how you do it:
如果您更喜欢这里的构建器模式，您可以这样做：
Client client = new ResteasyClientBuilder()
.establishConnectionTimeout(5, TimeUnit.SECONDS)
.socketTimeout(5, TimeUnit.SECONDS)
.build();
taken from here: http://blog.eisele.net/2014/12/setting-timeout-for-jax-rs-20-resteasy-client.html
取自这里：http: //blog.eisele.net/2014/12/setting-timeout-for-jax-rs-20-resteasy-client.html
回答by shonky linux user
The answer by Carter Page is correct for Apache HttpClient version >= 4.0.
Carter Page 的回答对于 Apache HttpClient 版本 >= 4.0 是正确的。
For earlier versions of HttpClient (e.g. 3.1) the code is slightly different:
对于早期版本的 HttpClient（例如 3.1），代码略有不同：
HttpClient httpClient = new HttpClient();
HttpConnectionParams params = httpClient.getHttpConnectionManager().getParams();
params.setConnectionTimeout(connectionTimeoutMillis);
params.setSoTimeout(socketTimeoutMillis);
ClientExecutor executor = new ApacheHttpClientExecutor(httpClient);
MyService service = ProxyFactory.create(MyService.class, URL, executor);
回答by Nazar Annagurban
If you are using resteasy client framework with spring integration (documentation), the following is the way to set timeout values:
如果您使用带有 spring 集成的 resteasy 客户端框架（文档），以下是设置超时值的方法：
<bean id="httpClient" class="org.apache.http.impl.client.DefaultHttpClient">
<property name="params" ref="httpParams"/>
</bean>
<bean id="httpParams" class="org.apache.http.params.BasicHttpParams"/>
<bean id="httpConnectionParams" class="org.apache.http.params.HttpConnectionParamBean">
<constructor-arg ref="httpParams"/>
<property name="connectionTimeout" value="10000"/>
<property name="soTimeout" value="30000"/>
</bean>
