Here the attached java source reproduces the error :)
I hope you can fix it.
Regards,
Jan Bracker
2008/4/19, Oleg Kalnichevski <[EMAIL PROTECTED]>:
>
> On Fri, 2008-04-18 at 22:32 +0200, Jan Bracker wrote:
> > Well, atleast the error doesn't seem have malicious side effects.
> > Everything seems to work alltough the error occures and subsequent
> > requests (when the previous one was not aborted) don't give the error
> > message anymore.
> >
>
>
> Jan,
>
> I'll try to look into the problem in the coming days. It would really
> help, though, if you could put together a test case that reproduces the
> problem.
>
>
> Oleg
>
>
>
> > 2008/4/18, Sam Berlin <[EMAIL PROTECTED]>:
> > > I guess that wasn't the problem then. :(
> > >
> > >
> > > Sam
> > >
> > > On 4/18/08, Jan Bracker <[EMAIL PROTECTED]> wrote:
> > > > I just tryed the linked version. When i try to execute a request with
> > > > the HttpClient i previously aborted a request from the same exceptions
> > > > occures as warning:
> > > >
> > > > 47492 [Thread-5] WARN
> > > > org.apache.http.impl.conn.SingleClientConnManager - Invalid use of
> > > > SingleClientConnManager: connection still allocated.
> > > > Make sure to release the connection before allocating another one.
> > > > java.lang.IllegalStateException: Revoking connection to
> > > > HttpRoute[{}->http://www.dfr-software.de:80]
> > > > at
> org.apache.http.impl.conn.SingleClientConnManager.revokeConnection(SingleClientConnManager.java:339)
> > > > at
> org.apache.http.impl.conn.SingleClientConnManager.getConnection(SingleClientConnManager.java:215)
> > > > at
> org.apache.http.impl.conn.SingleClientConnManager$1.getConnection(SingleClientConnManager.java:186)
> > > > at
> org.apache.http.impl.client.DefaultClientRequestDirector.execute(DefaultClientRequestDirector.java:294)
> > > > at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:501)
> > > > at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:464)
> > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.requestFileInfo(HttpDownload.java:297)
> > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.initializeDownloader(HttpDownload.java:428)
> > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.run(HttpDownload.java:543)
> > > > at java.lang.Thread.run(Thread.java:619)
> > > >
> > > > It seems the exception still occures...
> > > >
> > > > 2008/4/18, Sam Berlin <[EMAIL PROTECTED]>:
> > > > > Ya, 4.0. There's some snapshots available @ people.apache.org, the
> > > > > latest of which appears to be:
> > > > >
> http://people.apache.org/repo/m2-snapshot-repository/org/apache/httpcomponents/httpclient/4.0-alpha4-SNAPSHOT/httpclient-4.0-alpha4-20080417.184048-7.jar
> > > > > . I can't guarantee they'll work (as the API is in flux), but if
> your
> > > > > code can compile against it and run, and the error goes away,
> atleast
> > > > > we can verify that the bug is indeed fixed for the next alpha
> release.
> > > > >
> > > > >
> > > > > Sam
> > > > >
> > > > > On 4/18/08, Jan Bracker <[EMAIL PROTECTED]> wrote:
> > > > > > Sorry, i don't have any experience with building maven
> projects...
> > > > > >
> > > > > > I forget to say that i'm working with 4.0, not that we
> missunderstand :)
> > > > > >
> > > > > > 2008/4/18, Sam Berlin <[EMAIL PROTECTED]>:
> > > > > > > This is likely due to a problem with the last alpha release of
> > > > > > > HttpClient. Aborted connections weren't properly released
> back to
> > > > > > > connection managers. It's been fixed, but I'm not sure a new
> release
> > > > > > > was issued.
> > > > > > >
> > > > > > > Is it possible to try building httpclient from source and see
> if the
> > > > > > > problem still occurs?
> > > > > > >
> > > > > > > Sam
> > > > > > >
> > > > > > >
> > > > > > > On 4/18/08, Jan Bracker <[EMAIL PROTECTED]> wrote:
> > > > > > > > Hello,
> > > > > > > >
> > > > > > > > when i abort a request and after that, start a new one with
> my
> > > > > > > > DefaultHttpClient i get the following exception:
> > > > > > > > 29207 [Thread-3] WARN
> > > > > > > > org.apache.http.impl.conn.SingleClientConnManager -
> Invalid use of
> > > > > > > > SingleClientConnManager: connection still allocated.
> > > > > > > > Make sure to release the connection before allocating
> another one.
> > > > > > > > java.lang.IllegalStateException: Revoking connection to
> > > > > > > > HttpRoute[{}->http://selfhtml.mijabo.de:80]
> > > > > > > > at
> org.apache.http.impl.conn.SingleClientConnManager.revokeConnection(SingleClientConnManager.java:345)
> > > > > > > > at
> org.apache.http.impl.conn.SingleClientConnManager.getConnection(SingleClientConnManager.java:220)
> > > > > > > > at
> org.apache.http.impl.conn.SingleClientConnManager.getConnection(SingleClientConnManager.java:195)
> > > > > > > > at
> org.apache.http.impl.client.DefaultClientRequestDirector.allocateConnection(DefaultClientRequestDirector.java:508)
> > > > > > > > at
> org.apache.http.impl.client.DefaultClientRequestDirector.execute(DefaultClientRequestDirector.java:293)
> > > > > > > > at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:500)
> > > > > > > > at
> org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:463)
> > > > > > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.requestFileInfo(HttpDownload.java:294)
> > > > > > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.initializeDownloader(HttpDownload.java:423)
> > > > > > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.run(HttpDownload.java:536)
> > > > > > > > at java.lang.Thread.run(Thread.java:619)
> > > > > > > >
> > > > > > > > Allthough it is only a warning I followed the given adivce
> and tried
> > > > > > > > the following after i abort a request:
> > > > > > > > this.REQUEST.abort();
> > > > > > > > try {
> > > > > > > > this.CLIENT.getConnectionManager().releaseConnection(
> > > > > > > >
> this.CLIENT.getConnectionManager().getConnection(new
> > > > > > > > HttpRoute(HttpDownload.this.HOST)));
> > > > > > > > }
> > > > > > > > catch(InterruptedException e) {
> > > > > > > > LOG.warn("Releasing the connection failed for download: "
> > > > > > > > + HttpDownload.this.getSource().toString(), e);
> > > > > > > > }
> > > > > > > >
> > > > > > > > After that the warning did not appear anymore after
> starting a new
> > > > > > > > request, but for some reason this exception appeared as
> warning when
> > > > > > > > aborting/trying to release the connection:
> > > > > > > > 40827 [Thread-3] WARN
> > > > > > > > org.apache.http.impl.conn.SingleClientConnManager -
> Invalid use of
> > > > > > > > SingleClientConnManager: connection still allocated.
> > > > > > > > Make sure to release the connection before allocating
> another one.
> > > > > > > > java.lang.IllegalStateException: Revoking connection to
> > > > > > > > HttpRoute[{}->http://selfhtml.tobias-unger.com:80]
> > > > > > > > at
> org.apache.http.impl.conn.SingleClientConnManager.revokeConnection(SingleClientConnManager.java:345)
> > > > > > > > at
> org.apache.http.impl.conn.SingleClientConnManager.getConnection(SingleClientConnManager.java:220)
> > > > > > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.releaseConnection(HttpDownload.java:410)
> > > > > > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.finalizeDownloader(HttpDownload.java:527)
> > > > > > > > at
> org.downman.download.http.HttpDownload$HttpDownloader.run(HttpDownload.java:601)
> > > > > > > > at java.lang.Thread.run(Thread.java:619)
> > > > > > > >
> > > > > > > > It seems to be the same error. I wanted to ask, what am i
> doing wrong?
> > > > > > > > Is it normal to recieve a warning exception when sending
> requests
> > > > > > > > after previously aborting one? How can i get rid of this
> warning?
> > > > > > > >
> > > > > > > > As a sidenote: I am reusing one and the same HttpRequest
> (same
> > > > > > > > instance) and HttpClient multiple times.
> > > > > > > >
> > > > > > > > Regards,
> > > > > > > > Jan Bracker
> > > > > > > >
> > > > > > >
> > > > > > > >
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> > > > > > >
> > > > > > >
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> > > > > >
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package org.downman.test;
import java.net.URI;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpHead;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.log4j.BasicConfigurator;
import org.apache.log4j.Level;
import org.apache.log4j.Logger;
public class TestAbortRequestException {
public static void main(String[] args) throws Exception {
// Initialize the logger.
BasicConfigurator.configure();
Logger.getLogger("org.apache.http.wire").setLevel(Level.WARN);
Logger.getLogger("org.apache").setLevel(Level.INFO);
System.out.println("Creating client...");
HttpClient client = new DefaultHttpClient();
// Sidenote: I wanted to use AbortableHttpRequest interface a type
// but that for some reason does not extends the HttpRequest nor
// from HttpUriRequest interface. Maybe it should?
HttpGet longRequest = null;
HttpHead shortRequest = null;
longRequest = new HttpGet(new URI("http://selfhtml.junior-tours.de/selfhtml812.zip";));
shortRequest = new HttpHead(new URI("http://selfhtml.junior-tours.de/selfhtml812.zip";));
System.out.println("Executing short reqeust...");
HttpResponse response = client.execute(shortRequest);
System.out.println("Executing long request...");
response = client.execute(longRequest);
// Give time for the process of downloading to start...
Thread.sleep(500);
System.out.println("Aborted long request...");
longRequest.abort();
// Create a new one, because old one is used.
shortRequest = new HttpHead(new URI("http://selfhtml.junior-tours.de/selfhtml812.zip";));
System.out.println("Now a warning occures, because i send a new request...");
response = client.execute(shortRequest);
// Create a new one, because old one is used.
shortRequest = new HttpHead(new URI("http://selfhtml.junior-tours.de/selfhtml812.zip";));
System.out.println("This request will not cause a warning anymore...");
response = client.execute(shortRequest);
}
}
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