此错误消息...
[ERROR:ssl_client_socket_openssl.cc(855)] handshake failed; returned -1, SSL error code 1, net_error -100
...暗示 ChromeDriver 和 Chrome 浏览器 之间的握手失败 在某个时间点失败。
根本原因分析
这个错误是由于ssl_client_socket_impl.cc
net::SSLClientSocketImpl::DoHandshake中实现的net::SSLClientSocketImpl::DoHandshake和net::SSLClientSocketImpl产生的,如下:
int SSLClientSocketImpl::DoHandshake() {
crypto::OpenSSLErrStackTracer err_tracer(FROM_HERE);
int rv = SSL_do_handshake(ssl_.get());
int net_error = OK;
if (rv <= 0) {
int ssl_error = SSL_get_error(ssl_.get(), rv);
if (ssl_error == SSL_ERROR_WANT_CHANNEL_ID_LOOKUP) {
// The server supports channel ID. Stop to look one up before returning to
// the handshake.
next_handshake_state_ = STATE_CHANNEL_ID_LOOKUP;
return OK;
}
if (ssl_error == SSL_ERROR_WANT_X509_LOOKUP &&
!ssl_config_.send_client_cert) {
return ERR_SSL_CLIENT_AUTH_CERT_NEEDED;
}
if (ssl_error == SSL_ERROR_WANT_PRIVATE_KEY_OPERATION) {
DCHECK(ssl_config_.client_private_key);
DCHECK_NE(kSSLClientSocketNoPendingResult, signature_result_);
next_handshake_state_ = STATE_HANDSHAKE;
return ERR_IO_PENDING;
}
OpenSSLErrorInfo error_info;
net_error = MapLastOpenSSLError(ssl_error, err_tracer, &error_info);
if (net_error == ERR_IO_PENDING) {
// If not done, stay in this state
next_handshake_state_ = STATE_HANDSHAKE;
return ERR_IO_PENDING;
}
LOG(ERROR) << "handshake failed; returned " << rv << ", SSL error code "
<< ssl_error << ", net_error " << net_error;
net_log_.AddEvent(
NetLogEventType::SSL_HANDSHAKE_ERROR,
CreateNetLogOpenSSLErrorCallback(net_error, ssl_error, error_info));
}
next_handshake_state_ = STATE_HANDSHAKE_COMPLETE;
return net_error;
}
根据ERROR:ssl_client_socket_openssl.cc handshake failed,主要问题是 ChromeDriver 与 SSL 页面 握手时 失败在 Chrome 中。虽然 Chromium 团队通过 net_unittests、content_tests 和 browser_tests 对 SSL 握手 进行了测试,但并非详尽。依赖上游测试,一些用例被遗漏了。
结论
此错误不会中断您的测试套件的执行,您可以暂时忽略此问题,直到它得到修复Chromium 团队。