From users-return-267533-archive-asf-public=cust-asf.ponee.io@tomcat.apache.org Mon May 13 21:37:39 2019 Return-Path: X-Original-To: archive-asf-public@cust-asf.ponee.io Delivered-To: archive-asf-public@cust-asf.ponee.io Received: from mail.apache.org (hermes.apache.org [207.244.88.153]) by mx-eu-01.ponee.io (Postfix) with SMTP id CDF99180671 for ; Mon, 13 May 2019 23:37:38 +0200 (CEST) Received: (qmail 62523 invoked by uid 500); 13 May 2019 21:37:35 -0000 Mailing-List: contact users-help@tomcat.apache.org; run by ezmlm Precedence: bulk List-Help: List-Unsubscribe: List-Post: List-Id: Reply-To: "Tomcat Users List" Delivered-To: mailing list users@tomcat.apache.org Received: (qmail 62512 invoked by uid 99); 13 May 2019 21:37:35 -0000 Received: from Unknown (HELO mailrelay1-lw-us.apache.org) (10.10.3.159) by apache.org (qpsmtpd/0.29) with ESMTP; Mon, 13 May 2019 21:37:35 +0000 Received: from Christophers-MacBook-Pro-2.local (pool-108-28-187-75.washdc.fios.verizon.net [108.28.187.75]) by mailrelay1-lw-us.apache.org (ASF Mail Server at mailrelay1-lw-us.apache.org) with ESMTPSA id B43791BC8 for ; Mon, 13 May 2019 21:37:34 +0000 (UTC) Subject: Re: Does Tomcat server printout System.out.print infor? To: users@tomcat.apache.org References: <1372885674.3001252.1557628782777.ref@mail.yahoo.com> <1372885674.3001252.1557628782777@mail.yahoo.com> From: Christopher Schultz Openpgp: preference=signencrypt Autocrypt: addr=chris@christopherschultz.net; prefer-encrypt=mutual; keydata= mQINBE+pgz4BEADd7qAWgqXcNltlB3aow0UneRmNSVjHKgekgs0ZXxG9l50Athksr/3bL/yg bxFB00JcM9W+UxLhKHiMSyzfeBHn9l9wAlLFKs0S91KXTUnRwGFtvgstvGROoqPgTVREklnm yW/KpzOwqSrQ5xHcogaT+XWlXmRbtFypi52Z5HGWlFWWgwx0vKBWHmQayPtCif0v1RDxfdV9 zziodn0TnpfBQsEgf9TDAjkNT8f0ecwTnhSihTDm1W5HCK7Pm5DfUtree1Oh6Ncz2ljlUO0b 3Lai9pX48eZOj7WQXPefkcv2AoUvdELkQKw3klM5YNXbXPf1KAjky+q4DQ1ydD6LkK+9cI3S TeMesTlk/tytOsaN2NH2k87sEpcumbH0AcmPFEnIYUfm4KzWdKlYA6mbV3Pk3tHSuayyJovj h/7Y7BG9p2l7D60r49hzrTPG8VxNkSliNLcSjI3QjYpfhSlqmqXyVKzdzirK1HPr1xfJStig RpLP9nWarZjoXng9N0etGwtH/8roeDPYA8x9ba1KXy/1g/i+RLx2ms+rueCpnFZxU3GZNUSp RfpdUbwCN3Zm1w5Z6SI8X2aSnWWeYzU6HMsV+P4PROnFsgxDeOpyWhyEaaVLXQtOYwcHneHb n56vSG50TkAuHs5kk/3/YDPSsqjsUPOuhKgFMh3iqMTh5DMdSwARAQABtDJDaHJpc3RvcGhl ciBTY2h1bHR6IDxjaHJpc0BjaHJpc3RvcGhlcnNjaHVsdHoubmV0PokCOgQTAQgAJAIbLwUL CQgHAwUVCgkICwUWAgMBAAIeAQIXgAUCT6mETgIZAQAKCRDzrVyUpn9wflkxD/9IsahRqHTV /hH5nuPqVO692cQqHvPtMPO6lDb4909VN5T1i+1hFr80P0KVDL6EI78lDBJ2TThWI0o5vFdm sRlei59wsgTvkKTph5QwwOWl7OyzUDX3WbKhkNQdGf4I+/g/1s2bHaRoG30ELdL7cwUPCPrW 0KQwBy7Rtr0WbdujKOw9b/UcgyXEOE1wNcorq/E1o5/6BRYIcFQOO4sjHjGcChOpSg5ms4zb s+Xv3gOtLrbmOPRTXdvBxwJA6kkfQFHvI42kXYghTdqhBVPnHYPqUeavRsb+Yz3ghkZhj35i GfaGyXNwFBikCYjzIaj44NOkT1pU50MgIbjSJ+xoHnC20T942kekqp6wzqUM19Pa9ohsEdA1 Sf6/A7RmpZRrxSIY02ZVnGccnVjglnylVcnxrNAZC3ebxCeZPQ09FBR0Uqlsrdt7A3hlEP2F aoMTSa+hYqfWBGB7uZhcJZIsZspxm8J0txeOzYNSFDl7mF134ShRsq6dpSugCdcdeSWKliBz q0U8sIabOFLMxM0hbwkn2RG4OaurJLWXQf+7IhA/J8TizjkbdxLmR2PiTiVtrx484mpWpbF8 po/em0q/reFnL+JtOM6qlJE/Q4B6PfkchhU5vKPfmGw98t9guyw5G8YSR1rR+SOowHg4T/i2 Rezz1idKmoFpPdNFRPlOAC+d67kCDQRPqYM+ARAAzEItVpzvcgZB+faUWi54lJoA8GnVxXEe OQY+7wk/P5i9GtL0UVXC53j2F87BDVXGalKgVjEVdNY3Cyx+dJ2os65gjxd6ZK18zc6N7YZB Z00XNU9nTz5XImZzHn4VmeXYMQrKO/981nCNPlV6CVdgGg9wl1Ij5Sh8SSTb8kWSo1ngx+XX 4yJNUbfSh32yMPVGI7ZcoZLm9gdgTOOnuEkeeGs/lPvYN+1Cv/YtvkPybSOSWSdHxIVU4Iko 6V7IkM1amjdwKfoeg+CLhZsbY7VLAzVtGvaF5z4rtJtCfTfhbYD0wS8afEBcvsew1HdtYDT5 AJqojeZBGDuY7JCgALc3HCy34Zzk+mi1qwvrm5i/CBMuIvjxB2MkzhHQNUD20fzdRcoIgw4J IzbqZLlOpVFehDXzKT/h5vh+Uv7s6Rz5gP5i0Rkcghw00mRBvuN8mpQnLt4hYL22cNh/tk0L Fxda7ZaPehu7ug4E5FEB0Ifm1KV18P7Kpfu8tiSLz7rl++x73o4uv4bk1ZnjO/jFsx0KLGwq VxR276ZIwsV4WpLYvJ5fR0kqqd/TOKXGSEA0eGxWTeb/fNtkYemRVoasB1+rqjh/Rz0p20o8 elkqDhpzzhrMNzEMYkLySu7npWCeWW4Nd6097+OG9BCLO+ndGmAcupdu6WMEj2UlWsQxuCYC PgsAEQEAAYkEPgQYAQgACQUCT6mDPgIbLgIpCRDzrVyUpn9wfsFdIAQZAQgABgUCT6mDPgAK CRAc8Ck/pTykWO6WD/0XlAG4D4GwzzuOfh7DG6cm/I0vmASEJkY5ghStW4GUbYosgS/btyj/ YPWzVh4HWMvuA6YYKCuz/CM3h34dR25XmHqUdOyJOCnMJ3psdv5YsytgnEdvINZALlDdBX3G sfytgS0KnVjAc92LfJOxHAsZf4zE3SU28FMX7jCgeqO3YrvkHsZ8dzzgw3QYT0J3NcYfkflb DPBXBDGrvdUuea/w6F17pctdRdt7jE3JiLFq2F9ehXOSsIwecUlqVYiCRuxblD4cJ6gKMn0y 8zllW4GyIbf/+mNLkpKoMPYnptDvcEojluHtwbkSfF5AwgJbm6pfs9a2vpGBVko+dBXGh4/T 3qNYxeGEAsI0psEJu3EZN9dYv/ZOb69DUJ6SwEKp/L7lU7C8HoLx/MpKtuJO9OS5uuAhdBSi GqfaN9zP2NxPXSwnexVK2exy/h5sUevDsnBEHmyxe5GRSrIilyijLtlYhq2W7G95poxIFZuL Db98R+7VR9Yl9uOZ6kRBJmzp9X2oB8MDHoKe4QEuiRx/5/DNxB8i2QoTWN/BfluTSfVpO5rf jSXlaUuFOnouBrWdmbaBdg+47m4IGEz129Zdf+y+ISexQ6P16ZY1oYxYlbQSaEwk0+TJ4B0C uvMHwPF3SDH2LeRx+mK2OvwnVulvj2+WdW/rIVgwhwbKmBLj40R+Uq4zD/4iRxJ5PF1ynjxR po3Izp/ZrYWrPgtBg0jUZ8DdlAiRHCFGPpccK8RvBWXmtzF4XQsV39aPBqcE3W6IcTnIMrDi 6mnqealpfiUq+4RGNfRFN9wtgViZLy/FRWi76k+vo/Jmp7/K9JblGX48D2JL9FX0w5PXkpE4 abmY1OASQUiwoJ4n1asxwEonSaWeYbI7X5IqdvevGyfYdSn4VEywdrYGtWjsWlZ/DPofPwsI bQXGY6o+wg9lDAk2L2nVTa05XuyOooUPwKLD0WrLOIxLmcbVv/tgJG03/uI4iDitSofTKnpz E+xdpfFIyw1Mb8PO4WJi0gpHmmLUbG8AMLS+8wSDFwIA4TXQFy9suXXzLuuzML+G5h9Mo5D6 q5HsIe59lhdwk7oEPZJ1NWLfLavTENQg5ObS2YT1KaFskFxxgtcU0aBytAxTjkgGRB8UunXl NJeCuTIAUxXw41P93V4Khigc5dEOG1kEDoq0dAlAE7AbL6Vzc/Go+UwivtUil3sXADOyM9PT JjLNnye+2V0ywQncJ1AG6sxICpPKzv8oYP6xwurEuKnF8DAWEHEwT+Fb277Idv1v8uMGvltp coe7olE0O+TRUtMEwtEp4g4m8ym1rJI/yfwXtHkS8QcVBA9LRqcWEna1VPlT1pk3BSq/1xQa F/4OLScBfV2JbF93sN0SLw== Message-ID: <589c598b-4697-7b56-0552-e5672b4b9572@christopherschultz.net> Date: Mon, 13 May 2019 17:37:34 -0400 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1 MIME-Version: 1.0 In-Reply-To: <1372885674.3001252.1557628782777@mail.yahoo.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Karen, On 5/11/19 22:39, Karen Goh wrote: > Currently, I am uploading a new .war file up to my hosting > company. > > However, I am puzzled how things work and would like to check what > is the norm out there. > > They are using httpd apache server and tomcat. > > Basically, I have subscribed a private Tomcat server so I get an > instance of Tomcat server - 8.0.27. That version is no longer supported by the "vendor" (Apache). You should tell your hosting company that you want a supported version if they are going to charge you for it :) > But, the re-start of server is not in my control. > > I would like to know if this is the normal environment in a web > hosting company ? Inconvenient, perhaps, but not necessarily out of the ordinary. > Another thing is that, in my newly uploaded war file, I don't get > to see any System.out.println infor in my code, which I believe it > should be printed out, as per my last log file indication in the > web hosting company. If it's "their" instance and not yours, then you probably won't see that. What kind of access do you have for the server? If you have shell access, you can probably get the logs. Using System.out.println is not a great idea as it's pretty inflexible. It's better to use a "proper" logging system where you can specify the log file name, etc. > What they told me is "Only if there is system level operation. For > example, unloading/reloading a war file would have logged." > > So, please help me know if it is not possible to see > system.out.print infor as what I have put in the code in my java > class ? > > Another thing is that I am going to put in the Tomcat Realm for the > log-in module and I am wondering where is the privacy since I do > not have the full control over Tomcat in this web hosting > environment ? If you are using container-managed authentication (which is what Tomcat Realms provide), then you have to trust the hosting provider. There is no way to prevent the hosting provider from seeing any secrets you have in that configuration. - -chris -----BEGIN PGP SIGNATURE----- Comment: Using GnuPG with Thunderbird - https://www.enigmail.net/ iQIzBAEBCAAdFiEEMmKgYcQvxMe7tcJcHPApP6U8pFgFAlzZ450ACgkQHPApP6U8 pFi/EhAAhVS64ib8GzAl6PNLISm/rYeZ765eFg9eqRwCpPnss6ZuW/kD9moznKhN cj17X84itq3VihkRV+S/xnVM8TZ7OG71dwyhgrQUDcixuU9F37GVF16K5/gqHrF1 cu5QrMWw9oPFIEUWEi3jaUJF233Jm9y5IgHCyyieAbcDiCm5Gl9NVd1opQHWBkKZ YqH0xGVGxADAf9QiFnkmX5ZEq2REaGr6sV5b2oKgQCKv2iEoCvWxFYuyqG1iIbz1 wgbHqOy/adSdqvN704HcMaLTB7sfWBppp5RQyzN4Pz0Dx45845JRTWEdZpZ+YTop 1Xa1NhkYd/MqV+VZoi0Ivd+pvva5cGKR4zPFKXW9KRFw3Gl+cLoQPlyXxN8k3yZv PDCDlRqAFoAZakJ6BC4HHarAPJzRWGPON1UWhtXR7VdLXCRhcLcMMZg1UX3n9HJ+ ycw3haS99/0GPs1kMLNZ2Jk0QGf7v/lrU84PDQG8l27hJ8p4lJ4TqwxqMR0Nx9Uv iTpGodreOFJ+FXDegxYZNyrnOyOAuVl6Qi3iTz5bphuUa0FLrcX8pSJIt5PtgEFj qr71idqFeagCbbDJw/CtqchhEsTLyvfTFoNcTD2C5xuoG/Bo113/SKi4ffWTagxz y+nNPdRaKZ+dR+JotM37+7BYKxtNGnabaNT4nMUT04pHOdCmPSw= =kD0S -----END PGP SIGNATURE----- --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscribe@tomcat.apache.org For additional commands, e-mail: users-help@tomcat.apache.org