On Tue, 2015-07-28 at 21:01 +0000, Mark A. Claassen wrote: > I am getting this error sporadically too. What I think may be happening is > that the webserver HTTP keep-alive time (5 seconds) is at just the right time > that the software is somewhat likely to send a subsequent request just before > the 5 seconds is up. Then, the server closes the connection as it is on the > way and an error occurs. If this is the case, would I be safe to retry that > request? > > However, the name "NoHttpResponseException" seems to imply that the server > may have received the request, but the response cannot be read. That would > imply that I would NOT be safe to automatically re-send non-idempotent > requests. Is this true? Or can I safely resend all requests? >
Only idempotent methods are safe to retry regardless of the type of i/o error. Oleg > On a side note, is this a common thing that browsers handle all the time? > > Mark Claassen > Senior Software Engineer > > Donnell Systems, Inc. > 130 South Main Street > Leighton Plaza Suite 375 > South Bend, IN 46601 > E-mail: mailto:mclaas...@ocie.net > Voice: (574)232-3784 > Fax: (574)232-4014 > > ------------------------------------------- > Confidentiality Notice: OCIESERVICE > ------------------------------------------- > The contents of this e-mail message and any attachments are intended solely > for the addressee(s) named in this message. This communication is intended to > be and to remain confidential. If you are not the intended recipient of this > message, or if this message has been addressed to you in error, please > immediately alert the sender by reply e-mail and then delete this message and > its attachments. Do not deliver, distribute, copy, disclose the contents or > take any action in reliance upon the information contained in the > communication or any attachments. > > > -----Original Message----- > From: Stefan Magnus Landrø [mailto:stefan.lan...@gmail.com] > Sent: Tuesday, July 14, 2015 3:10 AM > To: HttpClient User Discussion > Subject: Re: Do I need to worry about NoHttpResponseException? > > > > Sendt fra min iPhone > > > Den 13. jul. 2015 kl. 22.30 skrev Check Peck <comptechge...@gmail.com>: > > > > I see. Do I need to worry about this error > > I would. I would check server logs at relevant times. > > > and how can I avoid this error. > > Fix your server so it performs consistently or fix the fw config so it allows > long lived connections > > > Any idea? > > > > On Mon, Jul 13, 2015 at 1:56 AM, Stefan Magnus Landrø < > > stefan.lan...@gmail.com> wrote: > > > >> Your server is overloaded or persistent connections got shutdown by a > >> fw > >> > >> Sendt fra min iPhone > >> > >>> Den 13. jul. 2015 kl. 09.58 skrev Check Peck <comptechge...@gmail.com>: > >>> > >>> Does anyone have any idea on this? > >>> > >>>> On Sat, Jul 11, 2015 at 6:24 PM, Check Peck > >>>> <comptechge...@gmail.com> > >> wrote: > >>>> > >>>> I am using Apache HttpClient 4.5 version in my library and I am > >>>> seeing below exception coming up always: I am not sure from where > >>>> this > >> exception > >>>> is coming. > >>>> > >>>> I/O exception (org.apache.http.NoHttpResponseException) caught > >>>> when processing request to {}->http://machineA:8080: The target > >>>> server > >> failed > >>>> to respond > >>>> - Retrying request to {}->http://machineA:8080 > >>>> - I/O exception (org.apache.http.NoHttpResponseException) caught > >>>> when processing request to {}->http://machineA:8080: The target > >>>> server > >> failed > >>>> to respond > >>>> - Retrying request to {}->http://machineA:8080 > >>>> - I/O exception (org.apache.http.NoHttpResponseException) caught > >>>> when processing request to {}->http://machineA:8080: The target > >>>> server > >> failed > >>>> to respond > >>>> - Retrying request to {}->http://machineA:8080 > >>>> - I/O exception (org.apache.http.NoHttpResponseException) caught > >>>> when processing request to {}->http://machineB:8080: The target > >>>> server > >> failed > >>>> to respond > >>>> - Retrying request to {}->http://machineB:8080 > >>>> > >>>> I am using "RestTemplate" as my HttpClient in one of my library and > >>>> with "RestTemplate" I am using PoolingHttpClientConnectionManager > >>>> and other properties of Apache HttpClient as shown below. > >>>> > >>>> Here is my "DataClient" class as shown in this gist - > >>>> https://gist.github.com/TechGeeky/b0bef73a03657187cce3 > >>>> > >>>> And here is my simple class which will perform the actual task: > >>>> https://gist.github.com/TechGeeky/7f3a02398b73b60f899c > >>>> > >>>> And here is my factory which I am using to create a single instance > >>>> of "DataClient" which means, it will also have single instance of > >>>> "RestTemplate" as well: > >>>> > >>>> https://gist.github.com/TechGeeky/9cebb859ce1a6ecb088b > >>>> > >>>> And this is the way I will make a call to get the data from my > >>>> "DataClient" library: > >>>> > >>>> DataResponse response = > >>>> DataClientFactory.getInstance().executeSync(dataKey); > >>>> > >>>> Now my question is - Why I am seeing that exception, do I need to > >>>> worry about anything with the above exception? And how can I > >>>> suppress that exception if there is any way to fix it? > >>>> > >>>> In my "DataClient" class, I am making HttpClient connection by > >>>> using various properties. > >> > >> --------------------------------------------------------------------- > >> To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org > >> For additional commands, e-mail: httpclient-users-h...@hc.apache.org > >> > >> > > --------------------------------------------------------------------- > To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org > For additional commands, e-mail: httpclient-users-h...@hc.apache.org > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org > For additional commands, e-mail: httpclient-users-h...@hc.apache.org > --------------------------------------------------------------------- To unsubscribe, e-mail: httpclient-users-unsubscr...@hc.apache.org For additional commands, e-mail: httpclient-users-h...@hc.apache.org
