On Mon, 2013-02-04 at 22:25 +0100, Philippe Mouawad wrote: > Hello, > > We had an issue reported in JMerer related to HttpClient version 4.X.X > which does not happen in version 3.1. > > Thread dump shows thread hangs within InetAddress$1.getHostByAddr: > > "Thread Group 1-1" prio=6 tid=0x038f3c00 nid=0xd80 runnable [0x03b7f000] > java.lang.Thread.State: RUNNABLE > at java.net.Inet4AddressImpl.getHostByAddr(Native Method) > at java.net.InetAddress$1.getHostByAddr(Unknown Source) > at java.net.InetAddress.getHostFromNameService(Unknown Source) > at java.net.InetAddress.getHostName(Unknown Source) > at java.net.InetAddress.getHostName(Unknown Source) > at sun.security.ssl.SSLSocketImpl.getHost(Unknown Source) > - locked <0x1349be48> (a sun.security.ssl.SSLSocketImpl) > at sun.security.ssl.Handshaker.getHostSE(Unknown Source) > at sun.security.ssl.ClientHandshaker.getKickstartMessage(Unknown > Source) > at sun.security.ssl.Handshaker.kickstart(Unknown Source) > at sun.security.ssl.SSLSocketImpl.kickstartHandshake(Unknown Source) > - locked <0x1349be48> (a sun.security.ssl.SSLSocketImpl) > at sun.security.ssl.SSLSocketImpl.performInitialHandshake(Unknown > Source) > - locked <0x1349c038> (a java.lang.Object) > at sun.security.ssl.SSLSocketImpl.startHandshake(Unknown Source) > at sun.security.ssl.SSLSocketImpl.getSession(Unknown Source) > at > org.apache.http.conn.ssl.AbstractVerifier.verify(AbstractVerifier.java:91) > at > org.apache.http.conn.ssl.SSLSocketFactory.connectSocket(SSLSocketFactory.java:572) > at > org.apache.http.impl.conn.DefaultClientConnectionOperator.openConnection(DefaultClientConnectionOperator.java:180) > at > org.apache.http.impl.conn.ManagedClientConnectionImpl.open(ManagedClientConnectionImpl.java:294) > at > org.apache.http.impl.client.DefaultRequestDirector.tryConnect(DefaultRequestDirector.java:640) > at > org.apache.http.impl.client.DefaultRequestDirector.execute(DefaultRequestDirector.java:479) > at > org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:906) > at > org.apache.http.impl.client.AbstractHttpClient.execute(AbstractHttpClient.java:805) > at > org.apache.jmeter.protocol.http.sampler.HTTPHC4Impl.sample(HTTPHC4Impl.java:284) > at > org.apache.jmeter.protocol.http.sampler.HTTPSamplerProxy.sample(HTTPSamplerProxy.java:62) > at > org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1075) > at > org.apache.jmeter.protocol.http.sampler.HTTPSamplerBase.sample(HTTPSamplerBase.java:1064) > at > org.apache.jmeter.threads.JMeterThread.process_sampler(JMeterThread.java:426) > at org.apache.jmeter.threads.JMeterThread.run(JMeterThread.java:255) > at java.lang.Thread.run(Unknown Source) > > > > Do you remember fixing this kind of issue within version 3.X ?, something > like this: > - http://www.velocityreviews.com/forums/showpost.php?p=2959030&postcount=8 >
Caching of resolved addresses also has downsides. For instance, it breaks simple load distribution schemes based on DNS round-robin. I am pretty certain HC 3.x does not use InetAddress caching. However, HC 4.x socket initialization logic is significantly different from that of 3.x. Oleg --------------------------------------------------------------------- To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org For additional commands, e-mail: httpclient-users-h...@hc.apache.org
