轴异常：o.a.axis2.transport.http.HTTPSender.sendViaPost(196) - 无法通过Post方式发送数据 - 连接被拒绝

Question

我有一台服务器正在执行对外部服务器的Webservice调用。

这个调用必须通过SSL和代理进行：

我的信任存储已经配置好了：

trustStore is: /opt/configuration/keystore/truststore.jks
trustStore type is : jks
trustStore provider is : 
init truststore
adding as trusted cert:

我的握手操作也已正确完成：

https-jsse-nio-8443-exec-6, READ: TLSv1.2 Handshake, length = 40
Padded plaintext after DECRYPTION:  len = 16
0000: 14 00 00 0C 78 49 E5 E1   29 04 A5 1D FC 4F E6 E2  ....xI..)....O..
*** Finished
verify_data:  { 120, 73, 229, 225, 41, 4, 165, 29, 252, 79, 230, 226 }
***
[read] MD5 and SHA1 hashes:  len = 16
0000: 14 00 00 0C 78 49 E5 E1   29 04 A5 1D FC 4F E6 E2  ....xI..)....O..
https-jsse-nio-8443-exec-6, WRITE: TLSv1.2 Change Cipher Spec, length = 1
[Raw write]: length = 6
0000: 14 03 03 00 01 01                                  ......
*** Finished

我有一个ProxySelector用于选择要使用的代理：

@Override
public List<Proxy> select(URI uri) {

    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("select for URL : " + uri);
    }

    if (uri == null) {
        throw new IllegalArgumentException("URI cannot be null.");
    }

    // Get protocol and management configuration for HTTP or HTTPS.
    String protocol = uri.getScheme();
    if (StringUtils.equalsIgnoreCase("http", protocol)
            || StringUtils.equalsIgnoreCase("https", protocol)
            || StringUtils.equalsIgnoreCase("socket", protocol)) {
        LOGGER.debug("Retrieving proxy list...");
        List<Proxy> proxyList = new ArrayList<>();
        for (InnerProxy p : proxies.values()) {

            proxyList.add(p.toProxy());
        }
        LOGGER.debug(proxyList.size() + " configured proxies");
        // Return configured Proxy
        return proxyList;
    }

    /*
     * For others protocols (could be SOCKS or FTP etc.) return the default
     * selector.
     */
    if (defaultSelector != null) {
        return defaultSelector.select(uri);
    } else {
        List<Proxy> proxyList = new ArrayList<>();
        proxyList.add(Proxy.NO_PROXY);
        return proxyList;
    }
}

但是，当调用由JAX-WS RI生成的WebMethod的方法时：

/**
 * 
 * @param base64ObjectToValidate
 * @param xmlMetadata
 * @param xmlReferencedStandard
 * @return
 *     returns java.lang.String
 * @throws SOAPException_Exception
 */
@WebMethod
@WebResult(name = "validationResult", targetNamespace = "")
@RequestWrapper(localName = "validateObject", targetNamespace = "http://ws.validator.sch.gazelle.ihe.net/", className = "net.ihe.gazelle.schematron.ValidateObject")
@ResponseWrapper(localName = "validateObjectResponse", targetNamespace = "http://ws.validator.sch.gazelle.ihe.net/", className = "net.ihe.gazelle.schematron.ValidateObjectResponse")
public String validateObject(
    @WebParam(name = "base64ObjectToValidate", targetNamespace = "")
    String base64ObjectToValidate,
    @WebParam(name = "xmlReferencedStandard", targetNamespace = "")
    String xmlReferencedStandard,
    @WebParam(name = "xmlMetadata", targetNamespace = "")
    String xmlMetadata)
    throws SOAPException_Exception
;

我收到了8个查询选择请求（而我只期望1个）：

15:55:30.228+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : https://gazelle.ehdsi.ihe-europe.net/SchematronValidator-ejb/GazelleObjectValidatorService/GazelleObjectValidator?wsdl
15:55:30.495+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : https://gazelle.ehdsi.ihe-europe.net/SchematronValidator-ejb/GazelleObjectValidatorService/GazelleObjectValidator?wsdl
15:55:30.637+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : https://gazelle.ehdsi.ihe-europe.net/SchematronValidator-ejb/GazelleObjectValidatorService/GazelleObjectValidator?wsdl
15:55:30.667+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : https://gazelle.ehdsi.ihe-europe.net/SchematronValidator-ejb/GazelleObjectValidatorService/GazelleObjectValidator?wsdl
15:55:31.130+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : socket://gazelle.ehdsi.ihe-europe.net:443
15:55:31.134+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : socket://gazelle.ehdsi.ihe-europe.net:443
15:55:31.137+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : socket://gazelle.ehdsi.ihe-europe.net:443
15:55:31.140+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : socket://gazelle.ehdsi.ihe-europe.net:443   

自定义代理选择器将为实际URL调用4次，以及为套接字调用4次。

在日志中，我收到了由Axis发起的HTTP请求引起的以下异常（我正在使用Axis版本1.6.2）:

15:55:31.137+02:00 [https-jsse-nio-8443-exec-6] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : socket://gazelle.ehdsi.ihe-europe.net:443
15:55:31.139+02:00 [https-jsse-nio-8443-exec-6] DEBUG o.a.c.httpclient.HttpMethodDirector.executeWithRetry(404) - Closing the connection.
15:55:31.139+02:00 [https-jsse-nio-8443-exec-6] INFO  o.a.c.httpclient.HttpMethodDirector.executeWithRetry(439) - I/O exception (java.net.ConnectException) caught when processing request: Connection refused (Connection refused)
15:55:31.139+02:00 [https-jsse-nio-8443-exec-6] DEBUG o.a.c.httpclient.HttpMethodDirector.executeWithRetry(443) - Connection refused (Connection refused)
    java.net.ConnectException: Connection refused (Connection refused)
        at java.net.PlainSocketImpl.socketConnect(Native Method)
        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.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:668)
        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.apache.commons.httpclient.protocol.ReflectionSocketFactory.createSocket(ReflectionSocketFactory.java:140)
        at org.apache.commons.httpclient.protocol.SSLProtocolSocketFactory.createSocket(SSLProtocolSocketFactory.java:130)
        at org.apache.commons.httpclient.HttpConnection.open(HttpConnection.java:707)
        at org.apache.commons.httpclient.MultiThreadedHttpConnectionManager$HttpConnectionAdapter.open(MultiThreadedHttpConnectionManager.java:1361)
        at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:387)
        at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
        at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
        at org.apache.axis2.transport.http.AbstractHTTPSender.executeMethod(AbstractHTTPSender.java:621)
        at org.apache.axis2.transport.http.HTTPSender.sendViaPost(HTTPSender.java:193)
        at org.apache.axis2.transport.http.HTTPSender.send(HTTPSender.java:75)
        at org.apache.axis2.transport.http.CommonsHTTPTransportSender.writeMessageWithCommons(CommonsHTTPTransportSender.java:404)
        at org.apache.axis2.transport.http.CommonsHTTPTransportSender.invoke(CommonsHTTPTransportSender.java:231)
        at org.apache.axis2.engine.AxisEngine.send(AxisEngine.java:443)
        at org.apache.axis2.description.OutInAxisOperationClient.send(OutInAxisOperation.java:406)
        at org.apache.axis2.description.OutInAxisOperationClient.executeImpl(OutInAxisOperation.java:229)
        at org.apache.axis2.client.OperationClient.execute(OperationClient.java:165)
        at org.apache.axis2.jaxws.core.controller.impl.AxisInvocationController.execute(AxisInvocationController.java:578)
        at org.apache.axis2.jaxws.core.controller.impl.AxisInvocationController.doInvoke(AxisInvocationController.java:127)
        at org.apache.axis2.jaxws.core.controller.impl.InvocationControllerImpl.invoke(InvocationControllerImpl.java:93)
        at org.apache.axis2.jaxws.client.proxy.JAXWSProxyHandler.invokeSEIMethod(JAXWSProxyHandler.java:373)
        at org.apache.axis2.jaxws.client.proxy.JAXWSProxyHandler.invoke(JAXWSProxyHandler.java:171)
        at com.sun.proxy.$Proxy137.validateObject(Unknown Source)

我不知道为什么Axis执行了这些调用，以及为什么我遇到了java.net.ConnectException：连接被拒绝（Connection refused）异常...

看起来他没有使用配置的代理...

希望有人能帮帮我...

我在日志中发现以下行：

16:35:35.676+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.httpclient.HttpConnection.open(692) - Open connection to gazelle.ehdsi.ihe-europe.net:443
16:35:35.677+02:00 [https-jsse-nio-8443-exec-5] DEBUG e.epsos.util.net.CustomProxySelector.select(43) - select for URL : socket://gazelle.ehdsi.ihe-europe.net:443
16:35:35.677+02:00 [https-jsse-nio-8443-exec-5] DEBUG e.epsos.util.net.CustomProxySelector.select(52) - protocol is : socket
16:35:35.677+02:00 [https-jsse-nio-8443-exec-5] DEBUG e.epsos.util.net.CustomProxySelector.select(56) - Retrieving proxy list...
16:35:35.677+02:00 [https-jsse-nio-8443-exec-5] DEBUG e.epsos.util.net.CustomProxySelector.select(62) - 1 configured proxies
16:35:35.680+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.httpclient.HttpMethodDirector.executeWithRetry(404) - Closing the connection.
16:35:35.680+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.httpclient.HttpMethodDirector.executeWithRetry(434) - Method retry handler returned false. Automatic recovery will not be attempted
16:35:35.680+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.httpclient.HttpConnection.releaseConnection(1178) - Releasing connection back to connection manager.
16:35:35.680+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.h.MultiThreadedHttpConnectionManager.freeConnection(979) - Freeing connection, hostConfig=HostConfiguration[host=https://gazelle.ehdsi.ihe-europe.net]
16:35:35.680+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.h.util.IdleConnectionHandler.add(76) - Adding connection at: 1503930935680
16:35:35.681+02:00 [https-jsse-nio-8443-exec-5] DEBUG o.a.c.h.MultiThreadedHttpConnectionManager.notifyWaitingThread(961) - Notifying no-one, there are no waiting threads
16:35:35.681+02:00 [https-jsse-nio-8443-exec-5] INFO  o.a.axis2.transport.http.HTTPSender.sendViaPost(196) - Unable to sendViaPost to url[https://gazelle.ehdsi.ihe-europe.net/SchematronValidator-ejb/GazelleObjectValidatorService/GazelleObjectValidator]
java.net.ConnectException: Connection refused (Connection refused)
    at java.net.PlainSocketImpl.socketConnect(Native Method)
    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.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:589)
    at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:668)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

- Mathias G.

---

我经常遇到的“连接被拒绝”的最常见原因是端口问题。要么端口上没有任何监听，要么防火墙正在阻止它。 - Faron

以调试模式运行您的代码，这样Axis将打印原始请求（和响应）。在此过程中，您将看到代理信息是否设置在传出的HTTP标头中。这不太可能是代码问题，更多是连接问题。从运行代码的机器到确保服务机器上的端口443已打开的终点执行tracert。 - kolossus

看起来 if 语句 if (StringUtils.equalsIgnoreCase("socket", protocol)) 没有触发。 - vadim_hr

Answer 1

我认为它不起作用的原因在这个错误报告中解释了。它已经有11年历史了，仍然标记为未解决。评论明确表示没有计划实现它，但可能会有一种解决方法:

无论如何，Axis1.x和2.x都可以切换到使用Jakarta-commons httpclient库。如果可以的话，这就是你应该使用的，因为它能够正确理解HTTP。如果你能在里面获得代理支持，任何一个轴构建都可以选择它。

据我所记，commons HTTP客户端支持ProxySelector。

- Lothar