其余API连接-邮递员与Intellij

编程问答 2022-08-16

问题描述

我目前正在使用Rest API调用来编写Java自动化脚本，其中Rest API连接到我们的内部xMatters应用程序中。我的Java IDE（intellij）和Postman应用程序都已设置为处理我们公司的代理。但是，当我运行一个简单的API调用（甚至到google.com）时，我从Postman应用程序获得了成功的连接，但是从我的代码中得到了连接超时错误，如下所示：

 com.mashape.unirest.http.exceptions.UnirestException: org.apache.http.conn.HttpHostConnectException: Connect to google.com:443 [google.com/74.125.193.113,google.com/74.125.193.138,google.com/74.125.193.100,google.com/74.125.193.101,google.com/74.125.193.139,google.com/74.125.193.102] Failed: Connection timed out: connect
    at com.mashape.unirest.http.HttpClientHelper.request(HttpClientHelper.java:143)
    at com.mashape.unirest.request.BaseRequest.asstring(BaseRequest.java:56)
    at Base.API_Unirest_Queries.getxMatrersBearerToken(API_Unirest_Queries.java:155)
    at IaaS_Reconciliation_Job_Health_Checks_Methods.IaaS_Reconciliation_Job_Health_Checks_Methods.xMattersnotify(IaaS_Reconciliation_Job_Health_Checks_Methods.java:453)
    at IaaS_Reconciliation_Job_Health_Checks_Methods.IaaS_Reconciliation_Job_Health_Checks_Methods.check_IaaS_Reconciliation_Job_Status(IaaS_Reconciliation_Job_Health_Checks_Methods.java:36)
    at IaaS_Reconciliation_Job_Health_Check.IaaS_Reconciliation_Job_Health_Check_Tests.CheckIaaSReconciliationJob(IaaS_Reconciliation_Job_Health_Check_Tests.java:11)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.testng.internal.MethodInvocationHelper.invokeMethod(MethodInvocationHelper.java:80)
    at org.testng.internal.Invoker.invokeMethod(Invoker.java:714)
    at org.testng.internal.Invoker.invokeTestMethod(Invoker.java:901)
    at org.testng.internal.Invoker.invokeTestMethods(Invoker.java:1231)
    at org.testng.internal.TestMethodWorker.invokeTestMethods(TestMethodWorker.java:127)
    at org.testng.internal.TestMethodWorker.run(TestMethodWorker.java:111)
    at org.testng.TestRunner.privateRun(TestRunner.java:767)
    at org.testng.TestRunner.run(TestRunner.java:617)
    at org.testng.SuiteRunner.runTest(SuiteRunner.java:334)
    at org.testng.SuiteRunner.runSequentially(SuiteRunner.java:329)
    at org.testng.SuiteRunner.privateRun(SuiteRunner.java:291)
    at org.testng.SuiteRunner.run(SuiteRunner.java:240)
    at org.testng.SuiteRunnerWorker.runSuite(SuiteRunnerWorker.java:52)
    at org.testng.SuiteRunnerWorker.run(SuiteRunnerWorker.java:86)
    at org.testng.TestNG.runSuitesSequentially(TestNG.java:1198)
    at org.testng.TestNG.runSuitesLocally(TestNG.java:1123)
    at org.testng.TestNG.run(TestNG.java:1031)
    at org.testng.IDEARemoteTestNG.run(IDEARemoteTestNG.java:73)
    at org.testng.RemoteTestNGStarter.main(RemoteTestNGStarter.java:123)
Caused by: org.apache.http.conn.HttpHostConnectException: Connect to google.com:443 [google.com/74.125.193.113,google.com/74.125.193.102] Failed: Connection timed out: connect
    at org.apache.http.impl.conn.DefaultHttpClientConnectionoperator.connect(DefaultHttpClientConnectionoperator.java:158)
    at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
    at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
    at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
    at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
    at com.mashape.unirest.http.HttpClientHelper.request(HttpClientHelper.java:138)
    ... 28 more
Caused by: java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.socksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.socket.connect(Socket.java:589)
    at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:337)
    at org.apache.http.impl.conn.DefaultHttpClientConnectionoperator.connect(DefaultHttpClientConnectionoperator.java:141)
    ... 39 moreom.mashape.unirest.http.exceptions.UnirestException: org.apache.http.conn.HttpHostConnectException: Connect to google.com:443 [google.com/74.125.193.113,google.com/74.125.193.102] Failed: Connection timed out: connect
    at org.apache.http.impl.conn.DefaultHttpClientConnectionoperator.connect(DefaultHttpClientConnectionoperator.java:158)
    at org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
    at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
    at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
    at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
    at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
    at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
    at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:107)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
    at com.mashape.unirest.http.HttpClientHelper.request(HttpClientHelper.java:138)
    ... 28 more
Caused by: java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.socksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.socket.connect(Socket.java:589)
    at org.apache.http.conn.ssl.SSLConnectionSocketFactory.connectSocket(SSLConnectionSocketFactory.java:337)
    at org.apache.http.impl.conn.DefaultHttpClientConnectionoperator.connect(DefaultHttpClientConnectionoperator.java:141)
    ... 39 more

以下代码是通过邮递员呼叫->代码功能获得的，并使用Unirest完成。

    public HttpResponse<String> getxMatrersBearerToken(String username,String password) {
    setSSLCert();
    HttpResponse<String> response2 = null;

    try {
        response2 = Unirest.get("https://google.com")
                .asstring();

    } catch (UnirestException e) {
        e.printstacktrace();
    }

    return response2;

}

setSSL Cert方法如下：

private void setSSLCert(){
    try {
        SSLContext sslcontext = SSLContexts.custom()
                .loadTrustMaterial(null,new TrustSelfSignedStrategy())
                .build();

        SSLConnectionSocketFactory sslsf = new SSLConnectionSocketFactory(sslcontext,SSLConnectionSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        CloseableHttpClient httpclient = HttpClients.custom()
                .setSSLSocketFactory(sslsf)
                .build();
        Unirest.setHttpClient(httpclient);
    } catch (NoSuchAlgorithmException | KeyStoreException | KeyManagementException e) {
        e.printstacktrace();
    }
}

很明显，错误消息显示代码由于套接字异常导致的连接超时而失败。我的第一个问题是如何解决这个问题？现在有一个后续问题：Postman能够对Google运行简单的调用并获得成功的结果但我的代码失败了，这是什么原因呢？任何帮助表示赞赏。

谢谢。

解决方法

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apiapijavajavapostmansocketexceptionunirest

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