after updating android 5.0 lollipop, httpsurlconnection occurs handshake error.
05-05 14:54:08.821 10855-11793/com.soonoo.mobilecampus e/info﹕ javax.net.ssl.sslhandshakeexception: handshake failed @ com.android.org.conscrypt.opensslsocketimpl.starthandshake(opensslsocketimpl.java:374) @ com.android.okhttp.connection.upgradetotls(connection.java:238) @ com.android.okhttp.connection.connect(connection.java:158) @ com.android.okhttp.connection.connect(connection.java:170) @ com.android.okhttp.internal.http.httpengine.connect(httpengine.java:309) @ com.android.okhttp.internal.http.httpengine.sendrequest(httpengine.java:242) @ com.android.okhttp.internal.http.httpurlconnectionimpl.execute(httpurlconnectionimpl.java:388) @ com.android.okhttp.internal.http.httpurlconnectionimpl.connect(httpurlconnectionimpl.java:118) @ com.android.okhttp.internal.http.httpurlconnectionimpl.getoutputstream(httpurlconnectionimpl.java:220) @ com.android.okhttp.internal.http.delegatinghttpsurlconnection.getoutputstream(delegatinghttpsurlconnection.java:218) @ com.android.okhttp.internal.http.httpsurlconnectionimpl.getoutputstream(httpsurlconnectionimpl.java:25) @ com.soonoo.mobilecampus.user.login(user.java:72) @ com.soonoo.mobilecampus.loginview$login.doinbackground(loginview.java:112) @ com.soonoo.mobilecampus.loginview$login.doinbackground(loginview.java:84) @ android.os.asynctask$2.call(asynctask.java:288) @ java.util.concurrent.futuretask.run(futuretask.java:237) @ android.os.asynctask$serialexecutor$1.run(asynctask.java:231) @ java.util.concurrent.threadpoolexecutor.runworker(threadpoolexecutor.java:1112) @ java.util.concurrent.threadpoolexecutor$worker.run(threadpoolexecutor.java:587) @ java.lang.thread.run(thread.java:818) caused by: javax.net.ssl.sslprotocolexception: ssl handshake aborted: ssl=0xaaaf8a00: failure in ssl library, protocol error error:1407743e:ssl routines:ssl23_get_server_hello:tlsv1 alert inappropriate fallback (external/openssl/ssl/s23_clnt.c:765 0xa9295b25:0x00000000) @ com.android.org.conscrypt.nativecrypto.ssl_do_handshake(native method) @ com.android.org.conscrypt.opensslsocketimpl.starthandshake(opensslsocketimpl.java:302) ... 19 more a server want connect using httpsurlconnection supports below cipher suites. problem android 5.0 not support 1 of below cipher suites...
ssl_ck_rc4_128_export40_with_md5 ssl_ck_rc2_128_cbc_export40_with_md5 tls_rsa_export_with_rc4_40_md5 tls_rsa_export_with_rc2_cbc_40_md5 ssl_ck_des_64_cbc_with_md5 ssl_ck_rc4_128_with_md5 ssl_ck_rc2_128_cbc_with_md5 ssl_ck_idea_128_cbc_with_md5 tls_rsa_with_rc4_128_md5 ssl_ck_des_192_ede3_cbc_with_md5 then isn't there can client side?
you should try specifying following cipher suites:
ciphersuite.tls_ecdhe_ecdsa_with_aes_128_cbc_sha, ciphersuite.tls_ecdhe_ecdsa_with_aes_256_cbc_sha, ciphersuite.tls_ecdhe_rsa_with_aes_128_cbc_sha, ciphersuite.tls_ecdhe_rsa_with_aes_256_cbc_sha, ciphersuite.tls_dhe_rsa_with_aes_128_cbc_sha, ciphersuite.tls_dhe_rsa_with_aes_256_cbc_sha, ciphersuite.tls_dhe_dss_with_aes_128_cbc_sha, ciphersuite.tls_dhe_dss_with_aes_256_cbc_sha, ciphersuite.tls_ecdhe_ecdsa_with_rc4_128_sha, ciphersuite.tls_ecdhe_rsa_with_rc4_128_sha, ciphersuite.tls_rsa_with_aes_128_gcm_sha256, ciphersuite.tls_rsa_with_aes_256_gcm_sha384, ciphersuite.tls_rsa_with_aes_128_cbc_sha, ciphersuite.tls_rsa_with_aes_256_cbc_sha 
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