[
https://issues.apache.org/jira/browse/HTTPASYNC-3?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13024619#comment-13024619
]
Denis Dzenskevich commented on HTTPASYNC-3:
-------------------------------------------
I recently came into the same issue
The following seems to work (line numbers can differ slightly because of IDE
reformat imports):
---
httpasyncclient/src/main/java/org/apache/http/impl/nio/pool/SessionPool.java
(revision 1096308)
+++
httpasyncclient/src/main/java/org/apache/http/impl/nio/pool/SessionPool.java
(working copy)
@@ -199,7 +193,8 @@
E entry = this.availableSessions.remove();
entryShutdown(entry);
RouteSpecificPool<T, E> pool = getPool(entry.getRoute());
- pool.freeEntry(entry, false);
+ if (this.leasedSessions.contains(entry))
+ throw new IllegalStateException("shouldn't happen");
}
}
>From debugger, availableSessions and leasedSessions does not overlap, so no
>need to remove it from leasedSessions which is what freeEntry does. Trying to
>freeEnty then throws an exception and must be leaving connection in bad state
>which causes subsequent errors.
> I/O reactor has been shut down (Example code is attached)
> ---------------------------------------------------------
>
> Key: HTTPASYNC-3
> URL: https://issues.apache.org/jira/browse/HTTPASYNC-3
> Project: HttpComponents HttpAsyncClient
> Issue Type: Bug
> Affects Versions: 4.0-alpha1
> Reporter: Lokesh
> Original Estimate: 1m
> Remaining Estimate: 1m
>
> here is an example code to use the HTTP AsyncClient and seeing an exception.
> Please also let me know how to deal with this issue,
> /*
> * To change this template, choose Tools | Templates
> * and open the template in the editor.
> */
> package httpanalysis.apache;
> import java.util.concurrent.CountDownLatch;
> import java.util.concurrent.Future;
> import java.util.concurrent.TimeUnit;
> import java.util.logging.Level;
> import java.util.logging.Logger;
> import org.apache.http.HttpHost;
> import org.apache.http.HttpResponse;
> import org.apache.http.client.methods.HttpGet;
> import org.apache.http.impl.nio.client.DefaultHttpAsyncClient;
> import org.apache.http.impl.nio.conn.PoolingClientConnectionManager;
> import org.apache.http.impl.nio.reactor.DefaultConnectingIOReactor;
> import org.apache.http.nio.client.HttpAsyncClient;
> import org.apache.http.nio.conn.scheme.Scheme;
> import org.apache.http.nio.conn.scheme.SchemeRegistry;
> import org.apache.http.nio.reactor.ConnectingIOReactor;
> import org.apache.http.nio.reactor.IOReactorException;
> import org.apache.http.params.BasicHttpParams;
> import org.apache.http.params.CoreConnectionPNames;
> /**
> *
> * @author lokesh
> */
> public class HttpAnalysis {
> PoolingClientConnectionManager poolManager;
> HttpAsyncClient httpclient = null;
> private PoolingClientConnectionManager sessionManager;
> /**
> * @param args the command line arguments
> */
> public static void main(String[] args) {
> HttpAnalysis analysis = new HttpAnalysis();
> analysis.process();
> }
> public HttpAnalysis() {
> try {
> BasicHttpParams basicHttpParams = new BasicHttpParams();
>
> basicHttpParams.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 1);
> basicHttpParams.setParameter(CoreConnectionPNames.SO_TIMEOUT, 2);
>
> basicHttpParams.setParameter(CoreConnectionPNames.SOCKET_BUFFER_SIZE, 2 *
> 1024);
>
> basicHttpParams.setParameter(CoreConnectionPNames.STALE_CONNECTION_CHECK,
> false);
> basicHttpParams.setParameter(CoreConnectionPNames.SO_REUSEADDR,
> false);
>
>
>
>
> ConnectingIOReactor ioReactor = new DefaultConnectingIOReactor(2,
> basicHttpParams);
> SchemeRegistry schemeRegistry = new SchemeRegistry();
> schemeRegistry.register(new Scheme("http", 80, null));
> this.sessionManager = new
> PoolingClientConnectionManager(ioReactor, schemeRegistry, 5,
> TimeUnit.MINUTES);
> sessionManager.setTotalMax(50);
> sessionManager.setDefaultMaxPerHost(25);
>
> this.httpclient = new DefaultHttpAsyncClient(ioReactor,
> sessionManager,basicHttpParams);
> } catch (IOReactorException ex) {
> Logger.getLogger(HttpAnalysis.class.getName()).log(Level.SEVERE,
> null, ex);
> }
> }
> private void process() {
> try {
> int numRequests = 10000;
> httpclient.start();
> long startTime = System.currentTimeMillis();
> final CountDownLatch countDownLatch = new
> CountDownLatch(numRequests);
> for (int i = 0; i < numRequests; i++) {
> HttpGet request = new HttpGet("http://hc.apache.org/";);
> Future<HttpResponse> future = httpclient.execute(request, new
> HttpCallback(this, countDownLatch));
> if(future == null){
> countDownLatch.countDown();
> }
> System.out.println("Request number = " + i);
> //sessionManager.closeExpiredConnections();
> }
> countDownLatch.await();
> System.out.println((System.currentTimeMillis() - startTime));
> System.exit(1);
> } catch (Exception ex) {
> Logger.getLogger(HttpAnalysis.class.getName()).log(Level.SEVERE,
> null, ex);
> }
> }
> }
--
This message is automatically generated by JIRA.
For more information on JIRA, see: http://www.atlassian.com/software/jira
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
