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| 10:31.12 | tom39291 | Hi. What is the typical solution to having multiple context.xml's: one for development, one for production. Currently we version these outside of webapps/myApp, and outside of CATALINA_HOME, and then manually copy over context.xml.dev or context.xml.production depending on whether we're deploying to a dev or production machine. |
| 10:32.18 | tom39291 | Note that the production machine is actually any of the 10 desktops that our developers use, so $CATALINA_HOME/conf/[enginename]/[hostname]/ isn't suitable. |
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| 14:31.55 | vtk | hello! when i put war file in webapp directory it creates folder and put all that was in war file in that folder! how can i configure tomcat to extract war file in the same directory |
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| 14:39.05 | tolland | hi is anyone using netbeans for developing webapps? I have created a web app on netbeans 6.9 and it works under bundled glassfish, but when i try to deploy to tomcat6 my servlets are not registered |
| 14:39.31 | tolland | it looks like there is no web.xml file in the servlet.war so I am guessing i need to tell netbeans to create one some how |
| 14:39.35 | tolland | any suggestions? |
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| 16:05.30 | vtk | hello! when i put war file in webapp directory it creates folder and put all that was in war file in that folder! how can i configure tomcat to extract war file in the same directory |
| 16:31.37 | karstensrage | in webapps? |
| 16:31.45 | karstensrage | for what purpose? |
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| 16:34.17 | pboro | vtk, do you want to make the webapp run in the root context path? I mean http://yourhost/ and not http://yourhost/path/? |
| 16:35.18 | karstensrage | was going to go there but decided to hear the reasons straight from the horse's mouth |
| 16:37.29 | karstensrage | well since this is a slo-mo channel, IF that IS what you want... backup the contents of webapps/ROOT, name your .war ROOT.war and stick it in webapps |
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| 17:35.29 | Boohemian | hi, is there a benefit to moving tomcat off of port 8888, which is by default? |
| 17:50.28 | karstensrage | you mean 8080? |
| 18:13.01 | puff | Boohemian: The main benefit would be that man firewalls are configured to allow port 80 and 443 through, but may not be configured for port 8080. |
| 18:16.53 | Boohemian | hm, i thought tomcat was on 8888 for me |
| 18:16.55 | Boohemian | lemme check |
| 18:17.20 | Boohemian | oops, it is 8080 |
| 18:17.44 | Boohemian | karstensrage: puff et al. how do i switch it to another port (and which ports are sane to use?)? i'm about to set up nginx and i need 8080 for nginx |
| 18:25.15 | puff | Boohemian: There's a config to edit in tomcat/conf/server.xml,see http://darksleep.com/notablog/articles/Tomcat_Admin_Cheatsheet |
| 18:26.05 | puff | Boohemian: As far as which ports are sane, it's pretty much fair game... there are basically a) "well known ports" like DNS (53), SMTP (25), ssh (22?), HTTP (80), HTTPS (443), etc, all below 1024. |
| 18:26.15 | puff | Boohemian: Those are the closest things to standardized ports. |
| 18:27.35 | puff | Boohemian: Then, especially in the past ten years or so, a number of popular ports have come into common use, like 8080 and 8443 for tomcat. These are not in any way official, but are in widespread use and so more likely to be needed/wanted by another app. |
| 18:27.54 | puff | Boohemian: you could probably as easily change ngix's port as tomcat, but whatever. |
| 18:28.28 | puff | Boohemian: At one of my companies, we had 30-40 instances of tomcat running. We just incremented the port number every time we configured a new one, e.g. 8080, 8081, 8082, etc. |
| 18:31.07 | karstensrage | probably nginx should be 80 and forward to 8080 |
| 18:31.21 | Boohemian | puff: i don't have a firewall on my tomcat server, but would other users have issues using solr on my websites if i made it a certain port? (like, woudl their firewall block them?) |
| 18:31.24 | karstensrage | thats what we do with HAProxy |
| 18:31.28 | Boohemian | i use tomcat6 for apache solr search |
| 18:36.32 | puff | Boohemian: Yes, I was referring to your users' firewalls. |
| 18:37.27 | puff | Boohemian: A lot of firewalls, especially corporate firewalls, etc, only allow access to outside servers on a limited number of ports, usually including port 80, 443. |
| 18:37.40 | puff | Boohemian: This is stupid and annoying, but a sad fact of life. |
| 18:38.16 | puff | Boohemian: And of course, quite predictably, it has lead to all sorts of people tunnelling all sorts of protocols over port 80 / 443, which sort of negates the whole exercise (other than adding a lot of cruft and complexity everywhere). |
| 18:38.30 | puff | Boohemian: But that doesn't stop it from being "best practices". |
| 18:38.56 | puff | I remember reading a pithy quote somewhere, basically saying that "best practices" translates to "We don't understand this so we'll just do what other people are doing". |
| 18:39.20 | puff | That doesn't _have_ to be true, but it all too often is. |
| 18:39.59 | puff | Back when I was running those 30-40 tomcat instances, I remember wishing that there was a good set of guidelines (or a wiki maybe) for how to run production tomcat servers & etc. |
| 18:40.16 | puff | I wonder if Jason added that kinda stuff in his 2nd edition. I really need to order a copy. |
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| 18:44.09 | Boohemian | puff: so, i should just move it to 8081 and hope my users can still access it? or should i keep it under 1024, for better chance that it won't be blocked? |
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| 18:45.04 | JesusRifle | can I ask questions about servlets here? trying to write my first one |
| 18:51.12 | puff | JesusRifle: Eh... well, you can ask me questions. I'm not sure they're really appropriate here, but #java might be more useful. |
| 18:51.25 | puff | Boohemian: Depends on your project, I guess. |
| 18:51.51 | puff | Boohemian: As karstensrage pointed out, you could set up ngnix on port 80 and have it forward to tomcat on port 8080 or 8081. |
| 18:52.10 | Boohemian | puff: what does it depend on? like i said, i have tomcat running, currently with lighty as the webserver, switching to nginx today. tomcat powers apache solr. will split tomcat onto its own VPS later this week though. |
| 18:52.16 | puff | Boohemian: However, why are you running ngnix? Tomcat does normal web server stuff pretty efficiently. |
| 18:52.54 | puff | Boohemian: Why are you using a webserver front-end to tomcat? Jasonb did a buncha benchmarks and they show that front-ending tomcat with apache is about half as fast as just running tomcat on port 80. |
| 18:53.01 | puff | Boohemian: I suspect the numbers may be the same for other webservers... |
| 18:53.25 | Boohemian | i'm not familiar with any of that. but apache is bloated - nginx/lighty are very streamlined |
| 18:53.30 | puff | Boohemian: Shrug. |
| 18:53.49 | puff | Boohemian: If you're going to run a webserver front-end, then the webserver should be on port 80, and it doesn't really matter what port you put tomcat on. |
| 18:54.31 | JesusRifle | ok cheers puff might need you in a min |
| 18:54.33 | puff | Boohemian: Unless, wait... my last comment was assuming you're having the webserver proxy requests to tomcat. |
| 18:54.58 | puff | cool, I'll /join #java, then. |
| 18:56.26 | puff | Boohemian: If you're redirecting the user straight to tomcat, then you'd be best off setting up both on port 80, which means you'd need an IP address for each. |
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| 19:06.04 | JesusRifle | so puff im writing a servlet and im passing in some perameters that I put into a hashmap by using .getParameterMap() |
| 19:06.41 | JesusRifle | String[] pm = (String[]) parameterMap.entrySet().toArray(); I've got this code which is wrong but I hope you can see what I am trying to do |
| 19:06.52 | JesusRifle | get the parameters, put them into an array |
| 19:07.37 | puff | JesusRifle: hm, yes... why? |
| 19:07.56 | JesusRifle | just an exercise so I can checksum the parameters |
| 19:08.10 | puff | JesusRifle: checksum the entire parameter string? |
| 19:08.21 | JesusRifle | yes |
| 19:08.35 | JesusRifle | whatever I get from .getParameterMap() I wanna checksum |
| 19:11.15 | puff | JesusRifle: Bear in mind, that's going to generate an array of Entry objects. |
| 19:12.33 | puff | JesusRifle: There's a method to get the parameter string, if that's what you're looking for. |
| 19:12.37 | JesusRifle | the code I posted? |
| 19:12.39 | JesusRifle | yes i know |
| 19:13.26 | JesusRifle | well you see I've been given this code and asked to improve it |
| 19:13.42 | JesusRifle | I'm not sure exactly which part needs to be checksummed |
| 19:13.55 | JesusRifle | if its the values or the keys or both? |
| 19:14.08 | JesusRifle | the code I've posted is written by him |
| 19:15.21 | puff | JesusRifle: This is a homework thing? |
| 19:15.40 | puff | JesusRifle: I'll still give you some advice, but you have to be very careful when asking for help with homework. |
| 19:15.51 | JesusRifle | it is sort of yeah |
| 19:15.55 | puff | JesusRifle: First, nobody will want to do your homework for you. |
| 19:15.59 | JesusRifle | I'm trying to learn |
| 19:16.03 | JesusRifle | yes i know this :) |
| 19:16.09 | puff | JesusRifle: Second, because of the first, a lot of people will just want nothing to do wtih it. |
| 19:16.11 | JesusRifle | I'm not trying to get you to |
| 19:16.21 | puff | JesusRifle: Don't worry, I didn't accuse you of that :-). |
| 19:16.26 | puff | JesusRifle: third, you can get into trouble with your teacher. |
| 19:16.49 | puff | JesusRifle: A friend of mine is getting her CS degree, asked a question on Reddit and it causes major problems. |
| 19:17.03 | JesusRifle | haha ok cheers for the headsup |
| 19:17.25 | puff | JesusRifle: The teacher overreacted, but the final outcome still kinda sucked for my friend. They ended up withdrawing from the course (without prejudice, etc) three quarters of the way through. |
| 19:17.41 | JesusRifle | I just wish I had been told which part to checksum, can you tell from that bit of code? |
| 19:17.44 | puff | Anyway, okay, so what's the assignment? |
| 19:17.50 | puff | JesusRifle: Well, what's a checksum? |
| 19:18.06 | JesusRifle | well its going to be all of it right? |
| 19:18.13 | puff | JesusRifle: that is, do you know what a checksum is, how it basically works, and what it's customarily used for? |
| 19:18.30 | JesusRifle | yes I've used MD5 etc |
| 19:18.38 | JesusRifle | this is just an exercise on servlets |
| 19:18.45 | puff | JesusRifle: I'd like to see the assignment, but it's possible your teacher made a mistake. |
| 19:19.11 | JesusRifle | this code is supposed not to work |
| 19:19.13 | puff | JesusRifle: Strictly speaking, you are really only reliably able to do a checksum on either a single parameter, or on a set of parameters in an explicitly defined order. |
| 19:19.43 | puff | JesusRifle: The HTTP spec, etc, does not define what order parameters will be passed in, so you can't count on that, but your teacher may be assuming you can. |
| 19:20.01 | puff | JesusRifle: Can you show me the assignment text? |
| 19:20.08 | JesusRifle | its just the code |
| 19:20.13 | JesusRifle | thats all we have |
| 19:20.18 | puff | JesusRifle: There's no actual text saying, "Do this..." |
| 19:20.19 | puff | ? |
| 19:20.25 | JesusRifle | no |
| 19:20.39 | JesusRifle | its one of those things that are kinda |
| 19:20.41 | puff | Geez. |
| 19:20.42 | JesusRifle | "do your best" |
| 19:20.47 | puff | Okay, so the teacher said, "Here, fix this?" |
| 19:20.58 | JesusRifle | yeah I can show you the code if you like |
| 19:21.11 | puff | Okay, pastebin it, but make sure you set it to private and set it to expire ASAP. |
| 19:21.11 | JesusRifle | but its not really the rest I'm having problems with |
| 19:21.31 | puff | Well, show me the whole thing. What you've shown me doesn't make much sense, maybe the context will make more sense. |
| 19:21.35 | puff | You know pastebin? |
| 19:21.38 | JesusRifle | yes ofc |
| 19:22.01 | puff | Okay... I'll wait. |
| 19:22.05 | JesusRifle | I'd rather just explain if you like |
| 19:22.13 | puff | I'd rather both, if you don't mind. |
| 19:22.31 | puff | Or we could go to a private channel and you could flood-paste. |
| 19:22.33 | puff | Let's do that. |
| 19:22.44 | puff | go to /servlets. |
| 19:22.48 | JesusRifle | I'd rather not given what you've just said |
| 19:22.56 | puff | This isn't really appropriate for #tomcat, anway. |
| 19:22.58 | JesusRifle | ill just explain, it isnt big or complicated |
| 19:23.13 | JesusRifle | another channel anyway :) |
| 19:23.21 | puff | Okay. |
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| 20:34.45 | pfn | hrm, how do I specify a bind dn when using JNDIRealm |
| 20:35.03 | pfn | ah, connectionName and connectionPassword |
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| 21:07.09 | pfn | kicks tomcat's logger |
| 21:26.34 | pfn | weird, I thought it defaulted to unbuffered logging |
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