HttpClient Time-out setting

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Transferred from: http://blog.csdn.net/hi_kevin/article/details/32316171

HttpClient in the use of two time-out, is always in touch and use, due to the last work of the use of httpclient caused the system tragedy, specifically to its two time-out of a small test, recorded here.

Beta version is httpclient--3.1

One: Connection timeout: ConnectionTimeout

1: Refers to the connection waiting time for connecting a URL.

2: Set the method to:

public class Testhttpclientmain {

/**  * @param args */public  static void Main (string[] args) {  HttpClient client = new HttpClient ();  HttpMethod method = new GetMethod (    "http://test.com");  Client.gethttpconnectionmanager (). Getparams ()    . Setconnectiontimeout (+);  Client.gethttpconnectionmanager (). Getparams (). Setsotimeout (+);  try {   int statusCode = Client.executemethod (method);   System.out.println (StatusCode);   byte[] responsebody = null;   Responsebody = Method.getresponsebody ();   string result = new String (responsebody);   SYSTEM.OUT.PRINTLN (result);  } catch (HttpException e) {   //TODO auto-generated catch block   e.printstacktrace ();  } catch (IOException e) {   //TODO auto-generated catch block   e.printstacktrace ();}}}  

3: When testing, change the URL to a nonexistent URL: "Http://test.com"

4: The system reported an exception after the timeout period of 3000ms.

Org.apache.commons.httpclient.ConnectTimeoutException:The host did not accept the connection within timeout of MS

At Org.apache.commons.httpclient.protocol.ReflectionSocketFactory.createSocket (reflectionsocketfactory.java:155 ) at Org.apache.commons.httpclient.protocol.DefaultProtocolSocketFactory.createSocket ( defaultprotocolsocketfactory.java:125) at Org.apache.commons.httpclient.HttpConnection.open (Httpconnection.java : 707) at Org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry (httpmethoddirector.java:387) at Org.apache.commons.httpclient.HttpMethodDirector.executeMethod (httpmethoddirector.java:171) at Org.apache.commons.httpclient.HttpClient.executeMethod (httpclient.java:397)

Two: Read data timeout: sotimeout

1: Refers to the connection of the previous URL, get response return wait time

2: Setup method

public class Testhttpclientmain {

/**  * @param args */public  static void Main (string[] args) {  HttpClient client = new HttpClient ();  HttpMethod method = new GetMethod (    "http://localhost:8080/firstTest.htm?method=test");  Client.gethttpconnectionmanager (). Getparams ()    . Setconnectiontimeout (+);  Client.gethttpconnectionmanager (). Getparams (). Setsotimeout (+);  try {   int statusCode = Client.executemethod (method);   System.out.println (StatusCode);   byte[] responsebody = null;   Responsebody = Method.getresponsebody ();   string result = new String (responsebody);   SYSTEM.OUT.PRINTLN (result);  } catch (HttpException e) {   //TODO auto-generated catch block   e.printstacktrace ();  } catch (IOException e) {   //TODO auto-generated catch block   e.printstacktrace ();}}}  

3: The connection URL for the test is a url,http://localhost:8080/firsttest.htm?method=test that I opened locally

In my test URL, when the link is accessed, the thread sleep for a period of time to simulate the return response timeout.

@RequestMapping (params = "method=test")//<--②

    Public String TestMethod (Modelmap model) {  try {   thread.sleep (+);  } catch (Interruptedexception e) {   //TODO auto-generated catch block   e.printstacktrace ();  }        System.out.println ("Call TestMethod method.");        Model.addattribute ("name", "test Method");  return "Test";    }

4: The Read response return timeout is set to a shorter time than the sleep time, and the run program gives an exception:

Java.net.SocketTimeoutException:Read timed out

At java.net.SocketInputStream.socketRead0 (Native Method) at Java.net.SocketInputStream.read (Unknown Source) at Java.io.BufferedInputStream.fill (Unknown source) at Java.io.BufferedInputStream.read (Unknown source) at Org.apache.commons.httpclient.HttpParser.readRawLine (httpparser.java:78) at Org.apache.commons.httpclient.HttpParser.readLine (httpparser.java:106) at Org.apache.commons.httpclient.HttpConnection.readLine (httpconnection.java:1116) at Org.apache.commons.httpclient.HttpMethodBase.readStatusLine (httpmethodbase.java:1973) at Org.apache.commons.httpclient.HttpMethodBase.readResponse (httpmethodbase.java:1735)

HttpClient 4:

Connection timeout:

httpclient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,60000);// 或者HttpConnectionParams.setConnectionTimeout(params, 6000);

Read timeout:

httpclient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT,60000);// 或者HttpConnectionParams.setSoTimeout(params, 60000);

HttpClient 3:

Connection timeout:

httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(60000);

Read timeout:

httpClient.getHttpConnectionManager().getParams().setSoTimeout(60000);

HttpClient 4:

Connection timeout:

httpclient.getParams().setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,60000);// 或者HttpConnectionParams.setConnectionTimeout(params,6000);

Read timeout:

httpclient.getParams().setParameter(CoreConnectionPNames.SO_TIMEOUT,60000);// 或者HttpConnectionParams.setSoTimeout(params,60000);

HttpClient 3:

Connection timeout:

httpClient.getHttpConnectionManager().getParams().setConnectionTimeout(60000);

Read timeout:

httpClient.getHttpConnectionManager().getParams().setSoTimeout(60000);

OK, later write httpclient these two time-outs must add, not add is likely tragic

HttpClient Timeout Time setting (RPM)