java.net.ConnectException超时

Question

我正在与Java一起使用NetBeans。我试图从一个需要日志记录的网站中提取数据，我进入一个帐户，我提取数据，然后进入另一个帐户，我的代码正在工作，但过了一会儿，我得到: java.net.ConnectException: Connection : connect。我正在使用Apache HttpClient。如果我毫无例外地在另一个网站上使用代码，如果有人能帮我.谢谢。

java.net.ConnectException: Connection timed out: connect
    at java.net.DualStackPlainSocketImpl.connect0(Native Method)
    at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
    at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339)
    at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200)
    at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182)
    at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
    at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
    at java.net.Socket.connect(Socket.java:579)
    at org.apache.http.conn.scheme.PlainSocketFactory.connectSocket(PlainSocketFactory.java:117)
    at org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:177)
    at org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:304)
    at org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:611)
    at org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:446)
    at org.apache.http.impl.client.AbstractHttpClient.doExecute(AbstractHttpClient.java:863)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
    at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:106)
    at navegadorsite.NavegadorSite.openPage(NavegadorSite.java:80)
    at navegadorsite.NavegadorSite.main(NavegadorSite.java:174)

Answer 1

为了增加套接字等待到从另一个站点接收数据的时间，您可以在进行实际连接之前调用以下静态方法：

HttpParams params = httpClient.getParams();
HttpConnectionParams.setConnectionTimeout(params, 30000);
HttpConnectionParams.setSoTimeout(params, 30000);`. 

上述调用指定连接建立和套接字读数的30秒超时。