如何使用Apache HttpClient处理无效的SSL证书？
如何使用Apache HttpClient处理无效的SSL证书？
提问于 2009-12-02 04:40:32
我知道，关于这个问题有很多不同的问题和答案……但我不明白。
我已经安装了:ubuntu-9.10- from amd64+ NetBeans6.7.1。代表我需要通过HTTPS连接到一些网站。为此，我使用Apache的HttpClient。
从教程中我读到：
“正确安装JSSE后，SSL上的安全HTTP通信应为
简单如普通的HTTP通信。“和一些例子：
HttpClient httpclient = new HttpClient();
GetMethod httpget = new GetMethod("https://www.verisign.com/");
try {
httpclient.executeMethod(httpget);
System.out.println(httpget.getStatusLine());
} finally {
httpget.releaseConnection();
}到目前为止，我这样写道：
HttpClient client = new HttpClient();
HttpMethod get = new GetMethod("https://mms.nw.ru");
//get.setDoAuthentication(true);
try {
int status = client.executeMethod(get);
System.out.println(status);
BufferedInputStream is = new BufferedInputStream(get.getResponseBodyAsStream());
int r=0;byte[] buf = new byte[10];
while((r = is.read(buf)) > 0) {
System.out.write(buf,0,r);
}
} catch(Exception ex) {
ex.printStackTrace();
}因此，我有一组错误：
javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.ssl.Alerts.getSSLException(Alerts.java:192)
at sun.security.ssl.SSLSocketImpl.fatal(SSLSocketImpl.java:1627)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:204)
at sun.security.ssl.Handshaker.fatalSE(Handshaker.java:198)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:994)
at sun.security.ssl.ClientHandshaker.processMessage(ClientHandshaker.java:142)
at sun.security.ssl.Handshaker.processLoop(Handshaker.java:533)
at sun.security.ssl.Handshaker.process_record(Handshaker.java:471)
at sun.security.ssl.SSLSocketImpl.readRecord(SSLSocketImpl.java:904)
at sun.security.ssl.SSLSocketImpl.performInitialHandshake(SSLSocketImpl.java:1132)
at sun.security.ssl.SSLSocketImpl.writeRecord(SSLSocketImpl.java:643)
at sun.security.ssl.AppOutputStream.write(AppOutputStream.java:78)
at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
at org.apache.commons.httpclient.HttpConnection.flushRequestOutputStream(HttpConnection.java:828)
at org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.java:2116)
at org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:1096)
at org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:398)
at org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:171)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:397)
at org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:323)
at simpleapachehttp.Main.main(Main.java:41)
Caused by: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:302)
at sun.security.validator.PKIXValidator.engineValidate(PKIXValidator.java:205)
at sun.security.validator.Validator.validate(Validator.java:235)
at sun.security.ssl.X509TrustManagerImpl.validate(X509TrustManagerImpl.java:147)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:230)
at sun.security.ssl.X509TrustManagerImpl.checkServerTrusted(X509TrustManagerImpl.java:270)
at sun.security.ssl.ClientHandshaker.serverCertificate(ClientHandshaker.java:973)
... 17 more
Caused by: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to requested target
at sun.security.provider.certpath.SunCertPathBuilder.engineBuild(SunCertPathBuilder.java:191)
at java.security.cert.CertPathBuilder.build(CertPathBuilder.java:255)
at sun.security.validator.PKIXValidator.doBuild(PKIXValidator.java:297)
... 23 more如何创建最简单的SSL连接？(可能没有KeyManager和信任管理器等。)
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原文链接：
https://stackoverflow.com/questions/1828775
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