REST Assured - org.apache.http.NoHttpResponseException：<server_address>：80无法响应

时间：2017-07-18 06:47:46

标签： java rest http rest-assured

我间歇地使用REST Assured 3.0.3来解决这个问题，相应的代码行在for循环中。

这是一个简单的GET调用，如下所述：

response = given().setBaseUri(someBaseUri).setBasePath(someEndPoint).param("key", "value").header("X-Authorization-Token", my_auth_token).get();

我发现有几个StackOverflow答案建议使用ConnectionConfig解决问题，但我不知道在使用REST Assured时如何解决问题。

以下是完整的跟踪：

org.apache.http.NoHttpResponseException: <full_server_address> failed to respond
    at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:143)
    at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:57)
    at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:261)
    at org.apache.http.impl.AbstractHttpClientConnection.receiveResponseHeader(AbstractHttpClientConnection.java:283)
    at org.apache.http.impl.conn.DefaultClientConnection.receiveResponseHeader(DefaultClientConnection.java:259)
    at org.apache.http.impl.conn.ManagedClientConnectionImpl.receiveResponseHeader(ManagedClientConnectionImpl.java:209)
    at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:272)
    at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:124)
    at org.apache.http.impl.client.DefaultRequestDirector.tryExecute(DefaultRequestDirector.java:686)
    at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:488)
    at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:884)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
    at org.apache.http.client.HttpClient$execute$0.call(Unknown Source)
    at io.restassured.internal.RequestSpecificationImpl$RestAssuredHttpBuilder.doRequest(RequestSpecificationImpl.groovy:2122)
    at io.restassured.internal.http.HTTPBuilder.doRequest(HTTPBuilder.java:494)
    at io.restassured.internal.http.HTTPBuilder.request(HTTPBuilder.java:451)
    at io.restassured.internal.http.HTTPBuilder$request$2.call(Unknown Source)
    at io.restassured.internal.RequestSpecificationImpl.sendHttpRequest(RequestSpecificationImpl.groovy:1525)
    at sun.reflect.GeneratedMethodAccessor152.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1218)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1027)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:815)
    at io.restassured.internal.RequestSpecificationImpl.invokeMethod(RequestSpecificationImpl.groovy)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.call(PogoInterceptableSite.java:48)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.callCurrent(PogoInterceptableSite.java:58)
    at io.restassured.internal.RequestSpecificationImpl.sendRequest(RequestSpecificationImpl.groovy:1288)
    at sun.reflect.GeneratedMethodAccessor97.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1218)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1027)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:815)
    at io.restassured.internal.RequestSpecificationImpl.invokeMethod(RequestSpecificationImpl.groovy)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.call(PogoInterceptableSite.java:48)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:149)
    at io.restassured.internal.filter.SendRequestFilter.filter(SendRequestFilter.groovy:30)
    at io.restassured.filter.Filter$filter$0.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
    at io.restassured.filter.Filter$filter.call(Unknown Source)
    at io.restassured.internal.filter.FilterContextImpl.next(FilterContextImpl.groovy:72)
    at io.restassured.filter.time.TimingFilter.filter(TimingFilter.java:56)
    at io.restassured.filter.Filter$filter.call(Unknown Source)
    at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:48)
    at io.restassured.filter.Filter$filter$0.call(Unknown Source)
    at io.restassured.internal.filter.FilterContextImpl.next(FilterContextImpl.groovy:72)
    at io.restassured.filter.FilterContext$next.call(Unknown Source)
    at io.restassured.internal.RequestSpecificationImpl.applyPathParamsAndSendRequest(RequestSpecificationImpl.groovy:1725)
    at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1218)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1027)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:815)
    at io.restassured.internal.RequestSpecificationImpl.invokeMethod(RequestSpecificationImpl.groovy)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.call(PogoInterceptableSite.java:48)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.callCurrent(PogoInterceptableSite.java:58)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:182)
    at io.restassured.internal.RequestSpecificationImpl.applyPathParamsAndSendRequest(RequestSpecificationImpl.groovy:1731)
    at sun.reflect.GeneratedMethodAccessor90.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1218)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1027)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:815)
    at io.restassured.internal.RequestSpecificationImpl.invokeMethod(RequestSpecificationImpl.groovy)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.call(PogoInterceptableSite.java:48)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.callCurrent(PogoInterceptableSite.java:58)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:182)
    at io.restassured.internal.RequestSpecificationImpl.get(RequestSpecificationImpl.groovy:168)
    at io.restassured.internal.RequestSpecificationImpl.get(RequestSpecificationImpl.groovy)
    at sun.reflect.GeneratedMethodAccessor150.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:93)
    at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:325)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1218)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1027)
    at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:815)
    at io.restassured.internal.RequestSpecificationImpl.invokeMethod(RequestSpecificationImpl.groovy)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.call(PogoInterceptableSite.java:48)
    at org.codehaus.groovy.runtime.callsite.PogoInterceptableSite.callCurrent(PogoInterceptableSite.java:58)
    at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:166)
    at io.restassured.internal.RequestSpecificationImpl.get(RequestSpecificationImpl.groovy:252)
    at io.restassured.internal.RequestSpecificationImpl.get(RequestSpecificationImpl.groovy)

请帮忙。

4 个答案:

答案 0 :(得分：0)

如果您了解RestAssured http连接建立机制，则对于RestAssuredConfig的每个新对象，它将创建与服务器的新httpclient连接。对于很少的API调用，有可能以块的形式接收到响应，在这种情况下，服务器可能会间歇性地关闭连接，而客户端却不知道该连接，因为该连接处于陈旧状态并且会引发NoHttpResponse错误。 要解决此间歇性问题，最好的方法是使用某种重试机制来创建新的http连接并关闭之前发生NoHttpResponseException的连接。

答案 1 :(得分：0)

更好的代码示例：

given().config(RestAssuredConfig.config().connectionConfig(
    ConnectionConfig.connectionConfig().closeIdleConnectionsAfterEachResponse()
)

答案 2 :(得分：0)

Apache Http Client 5.0中的相同问题

org.apache.hc.core5.http.NoHttpResponseException: localhost:8443 failed to respond

解决在PoolingHttpClientConnectionManager中关闭空闲连接的问题

PoolingHttpClientConnectionManager cm = PoolingHttpClientConnectionManagerBuilder.create()
cm.closeIdle(TimeValue.ofMilliseconds(10));

答案 3 :(得分：-1)

添加此代码似乎解决了这个问题。即使使用较慢的登台测试服务器，我也没有遇到过这个问题。

Response response = given()...get();
ConnectionConfig connectionConfig = new ConnectionConfig();
connectionConfig.closeIdleConnectionsAfterEachResponse();

我不明白的是，ConnectionConfig对象如何使用Response对象。

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