Received: from malur.postgresql.org ([217.196.149.56]) by arkaria.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o0oAW-0007n9-NL for pgsql-novice@arkaria.postgresql.org; Mon, 13 Jun 2022 17:48:04 +0000 Received: from localhost ([127.0.0.1] helo=malur.postgresql.org) by malur.postgresql.org with esmtp (Exim 4.92) (envelope-from ) id 1o0oAV-0005rR-Bd for pgsql-novice@arkaria.postgresql.org; Mon, 13 Jun 2022 17:48:03 +0000 Received: from makus.postgresql.org ([2001:4800:3e1:1::229]) by malur.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o0oAV-0005rH-1n for pgsql-novice@lists.postgresql.org; Mon, 13 Jun 2022 17:48:03 +0000 Received: from mout.gmx.net ([212.227.17.22]) by makus.postgresql.org with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1o0oAR-0004Um-0u for pgsql-novice@lists.postgresql.org; Mon, 13 Jun 2022 17:48:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1655142476; bh=HogtcP5Yi/oVvBdSkIxqBCIj+on/XAdRumzlFWxzMB4=; h=X-UI-Sender-Class:Date:From:To:Subject:In-Reply-To:References; b=kqOzA3EtlwxIN4h5zf+5t1lCU0Uy+hfuQkgxXkGMX3cGqrmYfaz4JzgeOjihTbhC0 vRf5TCqUwCWnEz6a2QtHc3Eslg+HBi/E+dg+9HItDhJb37HRRltCd1Jnanwx6rbZBD ThOmfoxgRPSqTk7UuwIoNY1KDtSxFyD2TXyBfg4g= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from mail.defcon1.lan ([93.15.31.113]) by mail.gmx.net (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1MfHEJ-1nXV5s45hz-00gmLF for ; Mon, 13 Jun 2022 19:47:56 +0200 Date: Mon, 13 Jun 2022 19:47:53 +0200 From: Bzzzz To: pgsql-novice@lists.postgresql.org Subject: Re: Info on error `Connection to client lost` Message-ID: <20220613194753.7fac66d1@msi.defcon1.lan> In-Reply-To: References: Organization: Anyone, anywhere but in banana demokratik republik of france or UERSS. Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:iQAgUp07LLx/7mbuFD0CX6uDBYDpNB7sV9QVrxbQHAxpGKHZ3mt Xj54fUUdzSCyv1UHawypXUjZZ0GSzd7FhBPATp0Kx1KdMFWCw+jhEJDueyeRVaIDtqWQDFW ShaYGLdNphFkmhC//iIG07KGWbaR/XlipS8OXTIa2cVA0I2WFVlPMpWgdB4IglZhDjgpIbN ucfABFQXzkMlB7EJvus0w== X-Spam-Flag: NO X-UI-Out-Filterresults: notjunk:1;V03:K0:jZI5abQ0bOA=:84eBmkc1wEbXZguZ3fmm75 HKrToFi8NxYOzWQrsRYJADOrVg6PsWLOhbsjc87qxQgtgBc7fiA14B3Ls7BYHMV4P6WoiEIYs 2vJ1UwejxRcBkaYS4n5I7KiN2POt76OGT1u0lGo858rBFtPtud4XVG9YUTybbCVtJb2oHLLVU RUK1WSETbEdI2GrCuWzCBa5eqCmrdYJ+d+iAv76YOr4iCzzUrdzC/f1u0bKJt9Ay6jjfCLhZX d02kcnAvBxN2lODH1M+D6oqWbJfMMfimOZR1aCe/VYg2lwH0+RfIXoIywqj+CJPwa7mqCWr13 zXImFWwCo+EoD++SaqXDW/S0i+6owikp/LRbv0jJxlDcrzUxcx//XWhAI2MbHi/DdSRUIZLaA WWT4rOdm0nSN0EnM74IS1xWP0brmukxN1c1TT2iPgDzLYpLF1enHM/JefxiTBBOk5qlGJ2ytv g8FUAkgh5fbJ9u1VfUt+1dpOHVnegC33YHAfsVznICAQsoi3Jtc0nw0FJ+WL+yb6HUkGUhkkH G5S8hmOSLKGmqEPcdPMHmCvsqt8KZYGDk5pdYDFEZ+Oem/DtH12hOWlZ9q79DNEkmNtowJ8EO 9USKwdlJZUd7wtypLTQSFLTrrTecfsyMbp4yh/jRYbO/WIR8pQ5nUsRh8sIXa+zZ2vm+3jpGl O7uVOJgIXDxxu/jE6dv0XwQfZta3qPN8QsyhvvPjvNaSTDJCUbXBiPuwhMcJMqk1r6OI6u/hL 8ewXymsK+dtGQNKYDxRzku+NXwdD9evPNb7xo8tckuD2hjTghxnoqrCC3BdoAvUxYjd4LK+Mq AD6TX9PkE+ZaNj/VCeSnAyML+5ZWtHmxgGCWg1HWKKbg9EXRwQtb3gqrx+J4jIGvZ7tIW0uKc e9Id/nR2zEuVvEs2p6isciN9WAa0L82bmpUcoUMjTHIy/bJTl8CV8fEI3FP78baTc/0T6mrGt p4FYTZSfwixumzsMi6eFBrFPEEoIlx2esWa3ZOx/PJWL2m9/Tv7zpb6+R+D8d3Jy/81L5o0oY kxJmuFg326QUijY6aYFsrQYs82I+HhA7zzTrZZl7ii7gmvxokGqew0Rd2L+CRFtCS9BHyFxb3 5roG0bdgvi0jVMNTCWttbec+jvh/kaS1i9rgC9ruGUUSIyLwm2/JwAz+Q== List-Id: List-Help: List-Subscribe: List-Post: List-Owner: List-Archive: Archived-At: Precedence: bulk On Mon, 13 Jun 2022 22:57:32 +0530 mahendrakar s wrote: Hi, > What are the scenarios under which we see `FATAL: Connection to client > lost`. > One case I could think of is client application closes connection > abruptly incase of exceptions(for example: column x is not found). > Can you please share what could be other scenarios we see this error. As Larry said, the most probable cause is a network problem. The driver could also have a short default timeout, but it is difficult to say more, as you did not provide with any context, such as, does it take place on the same machine or is it a machine to machine link, which language was used to write the app, which driver is in use, etc. Jean-Yves