错误log:

1. javax.net.ssl.SSLHandshakeException: java.security.cert.CertPathValidatorException: Trust anchor for certification path

2.  

3. not found.

4. at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:413)

5. at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:257)

6. at libcore.net.http.HttpConnection.setupSecureSocket(HttpConnection.java:210)

7. at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.makeSslConnection(HttpsURLConnectionImpl.java:477)

8. at libcore.net.http.HttpsURLConnectionImpl$HttpsEngine.connect(HttpsURLConnectionImpl.java:432)

9. at libcore.net.http.HttpEngine.sendSocketRequest(HttpEngine.java:282)

10. at libcore.net.http.HttpEngine.sendRequest(HttpEngine.java:232)

11. at libcore.net.http.HttpURLConnectionImpl.connect(HttpURLConnectionImpl.java:80)

12. at libcore.net.http.HttpsURLConnectionImpl.connect(HttpsURLConnectionImpl.java:164)

13. at com.etnet.global.ConnectionTool.post(ConnectionTool.java:462)

14. at com.etnet.android.Welcome$3.run(Welcome.java:177)

15. Caused by: java.security.cert.CertificateException: java.security.cert.CertPathValidatorException: Trust anchor for

16.  

17. certification path not found.

18. at org.apache.harmony.xnet.provider.jsse.TrustManagerImpl.checkTrusted(TrustManagerImpl.java:184)

19. at org.apache.harmony.xnet.provider.jsse.TrustManagerImpl.checkServerTrusted(TrustManagerImpl.java:163)

20. at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.verifyCertificateChain(OpenSSLSocketImpl.java:593)

21. at org.apache.harmony.xnet.provider.jsse.NativeCrypto.SSL_do_handshake(Native Method)

22. at org.apache.harmony.xnet.provider.jsse.OpenSSLSocketImpl.startHandshake(OpenSSLSocketImpl.java:410)

23. ... 10 more

解决方法：忽略证书验证：

1. public static StringBuffer post(String urlString, String param) {

2. StringBuffer sb = new StringBuffer();

3. URL url = null;

4. HttpURLConnection connection = null;

5. DataOutputStream out = null;

6. BufferedReader in = null;

7. try {

8. url = new URL(urlString);

9.  

10. //关键代码

11. //ignore https certificate validation |忽略 https 证书验证

12. if (url.getProtocol().toUpperCase().equals("HTTPS")) {

13. trustAllHosts();

14. HttpsURLConnection https = (HttpsURLConnection) url

15. .openConnection();

16. https.setHostnameVerifier(HttpIgnoreSSL.DO_NOT_VERIFY);

17. connection = https;

18. } else {

19. connection = (HttpURLConnection) url.openConnection();

20. }

21.  

22. connection.setReadTimeout(10000);

23. connection.setDoInput(true);

24. connection.setDoOutput(true);

25. connection.setRequestMethod("POST");

26. connection.setUseCaches(false);

27. connection.setInstanceFollowRedirects(true);

28. connection.setRequestProperty("Content-Type",

29. "application/x-www-form-urlencoded");

30. connection.connect();

31. out = new DataOutputStream(

32. connection.getOutputStream());

33. out.writeBytes(param);

34. out.flush();

35.  

36. in = new BufferedReader(new InputStreamReader(

37. connection.getInputStream()), 512);

38. String line;

39. while ((line = in.readLine()) != null) {

40. sb.append(line.trim());

41. }

42. } catch (IOException e) {

43. e.printStackTrace();

44. } catch (Exception e) {

45. e.printStackTrace();

46. }finally {

47. if (out != null) {

48. try {

49. out.close();

50. } catch (IOException e) {

51. }

52. }

53. if (in != null) {

54. try {

55. in.close();

56. } catch (IOException e) {

57. }

58. }

59. if (connection != null) {

60. connection.disconnect();

61. }

62. }

63. return sb;

64. }

1. public static void trustAllHosts() {

2. // Create a trust manager that does not validate certificate chains

3. // Android use X509 cert

4. TrustManager[] trustAllCerts = new TrustManager[] { new X509TrustManager() {

5. public java.security.cert.X509Certificate[] getAcceptedIssuers() {

6. return new java.security.cert.X509Certificate[] {};

7. }

8.  

9. public void checkClientTrusted(X509Certificate[] chain,

10. String authType) throws CertificateException {

11. }

12.  

13. public void checkServerTrusted(X509Certificate[] chain,

14. String authType) throws CertificateException {

15. }

16. } };

17.  

18. // Install the all-trusting trust manager

19. try {

20. SSLContext sc = SSLContext.getInstance("TLS");

21. sc.init(null, trustAllCerts, new java.security.SecureRandom());

22. HttpsURLConnection

23. .setDefaultSSLSocketFactory(sc.getSocketFactory());

24. } catch (Exception e) {

25. e.printStackTrace();

26. }

27. }

28.  

29. public final static HostnameVerifier DO_NOT_VERIFY = new HostnameVerifier() {

30. public boolean verify(String hostname, SSLSession session) {

31. return true;

32. }

33. };