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Posted to dev@hc.apache.org by "Oleg Kalnichevski (JIRA)" <ji...@apache.org> on 2017/12/20 11:59:00 UTC
[jira] [Resolved] (HTTPCLIENT-1892) Request hangs forever although
sockettimeout and connecttimeout are set
[ https://issues.apache.org/jira/browse/HTTPCLIENT-1892?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Oleg Kalnichevski resolved HTTPCLIENT-1892.
-------------------------------------------
Resolution: Invalid
You are using HTTP request configuration, are you not? I do not know what your expectation is but request level configuration applies only once the connection route has been fully established. It does not apply to SSL handshakes or CONNECT requests. You need to configure socket properties applied by the connection manager upon connection creation.
Oleg
> Request hangs forever although sockettimeout and connecttimeout are set
> -----------------------------------------------------------------------
>
> Key: HTTPCLIENT-1892
> URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1892
> Project: HttpComponents HttpClient
> Issue Type: Bug
> Components: HttpClient (classic)
> Affects Versions: 4.5.3
> Environment: linux
> Reporter: Christian F
>
> I try to perform a head request with the http client. The client uses a proxy. The requested domain is not existing. But the proxy does not close the connection.
> But what I dont understand, is why the client hangs forever and non of the configured timeouts activates and aborts the request.
> Her is my example code:
> {noformat}
> httpResponse = proxiedHttpClient.execute(
> new HttpHead("https://iAmNotExisting.com/dummy.jpg"))
> {noformat}
> Here is my code for configuring the client:
> {noformat}
> final String hostName = "proxyhost";
> final int port = 1234;
> final HttpClientBuilder clientBuilder = HttpClientBuilder.create();
> clientBuilder.useSystemProperties();
> clientBuilder.setDefaultRequestConfig(RequestConfig.custom()
> .setCookieSpec(STANDARD)
> .setConnectionRequestTimeout((int) Duration.ofSeconds(1).toMillis())
> .setSocketTimeout((int) Duration.ofSeconds(1).toMillis())
> .setConnectTimeout((int) Duration.ofSeconds(1).toMillis()).build());
> clientBuilder.setProxy(new HttpHost(hostName, port));
> clientBuilder.setDefaultCredentialsProvider(
> getCredentialsProvider(hostName, port, "proxyuser", proxypassword));
> clientBuilder.setProxyAuthenticationStrategy(new ProxyAuthenticationStrategy());
> return clientBuilder.build();
> {noformat}
> Here is a threaddump from the hanging thread:
> {noformat}
> java.lang.Thread.State: RUNNABLE
> at java.net.SocketInputStream.socketRead0(Native Method)
> at java.net.SocketInputStream.socketRead(Unknown Source)
> at java.net.SocketInputStream.read(Unknown Source)
> at java.net.SocketInputStream.read(Unknown Source)
> at org.apache.http.impl.io.SessionInputBufferImpl.streamRead(SessionInputBufferImpl.java:137)
> at org.apache.http.impl.io.SessionInputBufferImpl.fillBuffer(SessionInputBufferImpl.java:153)
> at org.apache.http.impl.io.SessionInputBufferImpl.readLine(SessionInputBufferImpl.java:282)
> at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:138)
> at org.apache.http.impl.conn.DefaultHttpResponseParser.parseHead(DefaultHttpResponseParser.java:56)
> at org.apache.http.impl.io.AbstractMessageParser.parse(AbstractMessageParser.java:259)
> at org.apache.http.impl.DefaultBHttpClientConnection.receiveResponseHeader(DefaultBHttpClientConnection.java:163)
> at org.apache.http.impl.conn.CPoolProxy.receiveResponseHeader(CPoolProxy.java:165)
> at org.apache.http.protocol.HttpRequestExecutor.doReceiveResponse(HttpRequestExecutor.java:273)
> at org.apache.http.protocol.HttpRequestExecutor.execute(HttpRequestExecutor.java:125)
> at org.apache.http.impl.execchain.MainClientExec.createTunnelToTarget(MainClientExec.java:473)
> at org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:398)
> at org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:237)
> at org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
> at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:89)
> at org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:111)
> at org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
> at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
> at org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:108)
> at de.feed.common.job.HttpClientTestJob.execute(HttpClientTestJob.java:47)
> {noformat}
> Here is the request performed with curl:
> {noformat}
> curl -X HEAD --proxy "proxyuser:proxypassword@proxyhost:1234" "https://iAmNotExisting.com/dummy.jpg" --verbose
> * About to connect() to proxy proxyhost port (#0)
> * Trying 15.112.12.32...
> * Connected to proxyhost (15.112.12.32) port 1234 (#0)
> * Establish HTTP proxy tunnel to iAmNotExisting.com:443
> * Proxy auth using Basic with user 'proxyuser'
> > CONNECT iAmNotExisting.com:443 HTTP/1.1
> > Host: iAmNotExisting.com:443
> > Proxy-Authorization: Basic blablub=
> > User-Agent: curl/7.29.0
> > Proxy-Connection: Keep-Alive
> >
> * Operation timed out after 300314 milliseconds with 0 out of 0 bytes received
> * Closing connection 0
> curl: (28) Operation timed out after 300314 milliseconds with 0 out of 0 bytes received
> {noformat}
> I think, this is either a bug, because the socket timeout does not work or that a request timeout would be needed if the socket timeout is not intended for this use case
> The behavior of the proxy could be caused, because it is a keep-alive session.
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