出于某种原因，当代码使用 HTTP 代理发出请求时，对“getHeaderField(0)”的调用，据我所知应该返回一个代表服务器响应代码的字符串，导致 StackOverflowError。
我的代码中没有递归调用。本质上就是这样:
java.net.Authenticator.setDefault(new java.net.Authenticator()
{
@Override
protected java.net.PasswordAuthentication getPasswordAuthentication()
{
return new java.net.PasswordAuthentication(<user>, <pass>.toCharArray());
}
});
java.net.Proxy proxy = new java.net.Proxy(Proxy.Type.HTTP, new InetSocketAddress(<host>, <port>));
java.net.URLConnection conn = new java.net.URL("http://www.yahoo.com").openConnection(proxy);
System.out.println(conn.getHeaderField(0));//StackOverFlowError
打印的堆栈跟踪如下:
java.lang.StackOverflowError
at java.net.SocketImpl.<init>(SocketImpl.java:27)
at java.net.PlainSocketImpl.<init>(PlainSocketImpl.java:95)
at java.net.Socket.<init>(Socket.java:126)
at sun.net.NetworkClient.doConnect(NetworkClient.java:149)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:395)
at sun.net.www.http.HttpClient$4.run(HttpClient.java:458)
at java.security.AccessController.doPrivileged(Native Method)
at sun.net.www.http.HttpClient.privilegedOpenServer(HttpClient.java:440)
at sun.net.www.http.HttpClient.openServer(HttpClient.java:521)
at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:272)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:329)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:310)
at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:302)
at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.proxiedConnect(AbstractDelegateHttpsURLConnection.java:130)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1586)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:656)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
....
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:640)
at sun.net.www.protocol.http.HttpURLConnection.doTunneling(HttpURLConnection.java:1595)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:770)
最佳答案
这看起来像 a known bug in Java (JDK-6670868) :
There is an issue in the tunneling/Http retry code whereby a proxy requiring authentication, if it gives a bad response after the initial 407, may cause the HTTPClient to perform recursive calls to parseHTTP until StackOverFlow
错误报告将其列为已在 Java 8b01 中修复。
关于java - 为什么调用 java.net.URLConnection.getHeaderField(0) 会导致 StackOverflowError？，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/20403820/