Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies released under the Apache License version 2. The Tomcat project started at Sun Microsystems and was donated by Sun to the Apache Software Foundation in 1999.

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17
votes
8answers
37k views

How do I disable SSLv3 support in Apache Tomcat?

I am trying to reconfigure my Apache Tomcat server to only use TLSv1. However, it is still falling back to SSLv3 using certain browsers. I setup the <connector> tag with the following settings: ...
0
votes
2answers
826 views

ec2, ping and security settings

Got a noob question about security settings on AWS ec2 instance. I've set up an instance with Tocat7 ( ami-95da17fc ) and I have a little issue. If I ssh into the instance and do ping -c 2 -p 80 ...
0
votes
5answers
6k views

Configuring Apache, Tomcat, mod_jk and mod_rewrite to serve up tomcat from top-level

I'm trying to set up my java app as the main component of a new site. I have some static resources I'd like served by Apache, so I setup Apache and Mod_jk, with the following rules, JkMount ...
3
votes
1answer
813 views

Measuring load - %CPU in top is different than %us

When I run TOP on a remote server, I see a very small system utilization (3.8%us). However, for the actual process I am seeing 29.6% of the CPU. Since this server has 8 CPU cores, is the %CPU the ...
1
vote
1answer
2k views

Trouble getting Tomcat to start up during install

I installed Java and now added Tomcat. I configured Tomcat, but it is not running. What I did was add the line: export JAVA_HOME=/usr/lib/jvm/java-6-sun as the first non-comment line in the ...
25
votes
14answers
3k views

Load-balancer options [closed]

I am looking at a number of possible options for load-balancing. So far, I am constrained to the following options: DNS server load-balancer, balancing to a cluster of tomcat servers, with ...
4
votes
3answers
9k views

Tomcat intermittent slowdowns, unresponsive, hangs

I've been trying to track down the cause of intermittent slowdowns of our Tomcat server. We get the slowdowns several times a week, where Tomcat will stop responding or take several minutes to ...
7
votes
4answers
5k views

How to make a URL point to a Tomcat instance?

Sorry if this question makes no sense (no expert here), but I understand that tomcat listens to port 8080 and that url are usually addressed to 80. Is there a way to tell DNS that urls should point to ...
6
votes
2answers
6k views

Tomcat7 hangs on deploying apps

I'm having some very strange behavior in Tomcat 7 on Ubuntu 14.04. I created a new VPS, installed default-jdk and other simple stuff. Downloaded and unpacked Tomcat 7. Checked that it runs on ...
6
votes
1answer
2k views

Having problems with maintaining sessions across multiple Amazon EC2 instances

One of my sites is hosted via Amazon EC2 service. The problem starts happening when the site faces a heavy load which in turn spawns a new EC2 instance via AutoScaling. This is good but the issue is ...
3
votes
2answers
5k views

Setting up IIS7 and TomCat on single machine with multiple IP

Given: two dns names which points to one machine: "mysrv" and "myapp.mysrv". This machine has two ip address (1.1.1.1 and 1.1.1.2). I need to set up IIS7 on 1.1.1.1 for myapp.mysrv and TomCat for ...
2
votes
1answer
3k views

Is it possible to turn off auto-start for some (but not all) app servers deployed on Tomcat?

I want to deploy multiple versions of an app server on my local machine for development purposes (testing for compatibility, etc). I've got about 5 that I'll want to have installed at any given time, ...
3
votes
2answers
8k views

How can I set use mod_proxy_ajp with Apache and Tomcat?

I'd like to run Apache and Tomcat on an RHEL 5 server with Apache handling Ruby on Rails apps (through mod_rails/Passenger) and Tomcat handling Java apps. Under Apache, each Rails app will have a URL ...
0
votes
2answers
2k views

iptables redirected port 80 to 8080 - How to disallow direct access to port 8080?

I've routed all requests from port 80 to port 8080 for my Tomcat server using iptables. iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 Now http://mydomain.com/ ...
6
votes
1answer
976 views

Running some benchmarks using ab, and tomcat starts to really slow down

I'm running some benchmarks using apache bench for a java app that is running on tomcat. Say I run a test like: ab -c 10 -n 10000 http://localhost:8080/hello/world It will run just fine. If I ...
3
votes
2answers
201 views

Apache webserver & Tomcat : Runing multiple tomcat webapps and apache webserver app at same time

We have a Debian X64 server which currently has a tomcat instance where we have 3 webapps in WAR file ofcourse. Also, we have an Apache webserver, which has one CMS system running. And one final ...
2
votes
4answers
4k views

Absolute urls not working with Apache2 AJP proxy Tomcat

I don't seem to get how to configure ReverseProxy correctly. The URLs returned are all for the root directory "/", not "/tomcat" and only the main "default" tomcat page is displayed. I use Apache2 as ...
1
vote
3answers
3k views

How do I make Tomcat start automatically?

I'm trying to get Tomcat to start automatically, and I'm failing miserably. (It's Tomcat 6.0.16 running on Fedora 8, based on Amazon ami-11ca2d78.) So, following standard instructions, I've created ...
1
vote
2answers
2k views

Cant connect to MySQL server from Java application

This is on VPS\Centos server. The MySQL server is pre configured. I am running the Java application on Tomcat My Java web application is not able to connect to the MySQL server. I get an error - ...
0
votes
3answers
5k views

Quick way to password-protect Tomcat?

I'm looking for a quick way to protect a Tomcat instance and all webapps running on it, so that accessing any page requires credentials (simple username/passwd). I guess Realm is the "proper" way to ...
0
votes
2answers
352 views

Tomcat SSL integration issue

I've bought a wildcard ssl certificate from a company, i sent them the csr file and they send me two certificate files namely CA.txt and com_sertificate. I've searched on web and find some tuts about ...
-2
votes
1answer
2k views

How to disable Tomcat on linux?

According to my server host, something called Tomcat is hogging all my resources and slowing down the server. As far as I'm aware I'm not using it as the only thing running on the server is Plesk and ...
10
votes
5answers
10k views

What steps should I take to secure Tomcat 6.x?

I am in the process of setting up an new Tomcat deployment, and want it to be as secure as possible. I have created a 'jakarta' user and have jsvc running Tomcat as a daemon. Any tips on directory ...
35
votes
4answers
42k views

What's the maximum URL length in Tomcat?

And is it configurable? Can I set up Tomcat so that a URL with, say, 200K of query params goes through successfully to the contained servlet? Yes, I know one should use POST when you have lots of ...
16
votes
7answers
15k views

Why does tomcat like deleting my context.xml file?

I'm developing a web-based Java application at work and (obviously) have to run it locally during development. I've figured out the Tomcat docs and have a suitable context.xml file in ...
11
votes
1answer
13k views

How Do I Install Gerrit Under Tomcat with LDAP?

I'm trying to find good instructions for installing Gerrit under Tomcat with LDAP support. I need this installed on a Windows 2008 Server, preferably. However, I can opt for Linux if not possible. ...
10
votes
2answers
8k views

difference between _default_:* and *:* in VirtualHost Context

I want to know the difference between "default:*" and "*:*" in VirtualHost Context. <VirtualHost _default_:*> #... ServerName host.example.com #... </VirtualHost> ...
10
votes
4answers
48k views

How do I disable tomcat caching? I'm having weird static file problems

How do I prevent tomcat from caching? I have css and basic html files that I load and use via ajax, and unless I restart tomcat, the changes do not seem to reflect. Different machines, different ...
5
votes
6answers
31k views

Apache load balancer limits with Tomcat over AJP

I have Apache acting as a load balancer in front of 3 Tomcat servers. Occasionally, Apache returns 503 responses, which I would like to remove completely. All 4 servers are not under significant load ...
0
votes
2answers
4k views

mod_proxy on Apache 2.2.3 proxying to Tomcat 5.5 returns Error 502 Bad Gateway

I'm getting a 502 bad gateway error when using mod_proxy on Apache 2.2.3 proxying to Tomcat 5.5. It works correctly when used directly via Tomcat (not via mod_proxy), so I assume the problem is on ...
6
votes
1answer
14k views

SSL setup with apache in front of tomcat

i m trying to setup Apache with SSl and proxy SSL requests to my tomcat instance. I think i made the SSL work but theres still a error that shows up: Bad Gateway The proxy server received an ...
3
votes
5answers
19k views

Installing Tomcat on CentOS 5

Disclaimer: I am not a server admin, I am a windows user that has lead a life of sinful installation wizards and drag and drop I'm attempting to install Tomcat on CentOS 5 hosted by a MediaTemple ...
11
votes
6answers
11k views

Open source tomcat log viewer

I'm managing several tomcat instances (aprox 30-35) and looking for some console to centralize the logs. I tried php-syslog-ng before (no with tomcat), and found it useful. I would like that these ...
6
votes
3answers
5k views

Mapping hudson to a subdomain through nginx proxying

I'm now trying to setup nginx as a reverse proxy for Hudson so it can be access on http://build.example.com directly. I've already installed Hudson on Tomcat and verified that I can access Hudson on ...
3
votes
7answers
32k views

Tomcat won't start - how to check that port 8080 is not in use

Tomcat won't start, and it has worked perfectly before. I suspect something else is running on port 8080. I am running Windows Vista. How do I check that nothing else is using port 8080. I have ...
2
votes
1answer
4k views

How can I get apache to serve static content in a reverse-proxied setup?

I have a setup where my Tomcat instances are fronted with Apache servers with mod-proxy. I need to serve static content on the reverse-proxy side in case authentication closes my app session (heavy ...
1
vote
2answers
2k views

How do I properly run Tomcat alongside Apache?

I have installed Apache Tomcat and Apache Webserver on a Ubuntu 10.04 Server system. I basically followed these steps to configure the mod-jk connector and my webserver now seems to redirect all ...
0
votes
1answer
1k views

mod_proxy tomcat

I've asked this question in a few places and I've found no answer. It should be pretty simple and a pretty common problem. Unfortunately I know nothing about tomcat and mod_proxy so I'm unable to ...
7
votes
1answer
4k views

Tomcat Excessive Memory Consumption

I have a fresh server running Ubuntu 11.04 (Natty) (64-bit). I started off by installing openjdk and tomcat6. When the Tomcat server starts up, it immediately uses 480+ MB of memory. This seems way ...
5
votes
3answers
4k views

Is Tomcat vulnerable to the Apache DoS vulnerability in CVE-2011-3192?

Is Tomcat affected by this vulnerability? Here is the advisory announcement.
5
votes
5answers
38k views

How can I configure TomCat Java options in a config file?

I'm trying to configure Java options passed into TomCat for a 3rd party application that I'm deploying. The instructions that the app provides are: Open the Tomcat configuration tool from the ...
3
votes
1answer
3k views

Tomcat 7.0.22 Windows service breaks with JRE update

If JRE update is run without first manually stopping the Tomcat service, Tomcat will no longer start after the next time it is stopped. This most often happens after rebooting per the JRE installer's ...
3
votes
3answers
1k views

Rolling deploys with Tomcats behind an HAProxy instance

I have three Tomcat instances running behind an HAProxy. When I roll out changes to my web applications, I'd like to do a rolling deploy (i.e. bounce one Tomcat at a time) so users don't see any ...
2
votes
1answer
2k views

WARNING: None of the ciphers specified are supported by the SSL engine

I have a working web service running through Apache Tomcat 7 with the following connector element in server.xml: <Connector port="443" protocol="org.apache.coyote.http11.Http11Protocol" ...
2
votes
2answers
9k views

IOException: Socket read failed using Apache 2, mod_jk and Tomcat over AJP

I am getting the following Exception from time to time when my users are connecting with their Android devices to out JSON Rest Service: java.io.IOException: Socket read failed at ...
1
vote
1answer
253 views

Tomcat: Log the equivalent of SSL_CLIENT_S_DN

In Apache HTTPD it is possible to create custom request logs which include the value of SSL_CLIENT_S_DN. Since the site requires mutual authentication (client certificates) this provides a good audit ...
1
vote
1answer
10k views

Nginx as a proxy for tomcat with subdirectory

I want to set up a Nginx Proxy for the Tomcat server with my domain name such as example.com/demo/sample example.com/demo/manager example.com/demo/other_apps ... Here is my Nginx server block ...
1
vote
0answers
292 views

Create jks for tomcat using .key ,.ca and .cert file

I have three file sample.cert, sample.CA,sample.key provided by Verisign. I need to create keystore for tomcat. As I searched I cannot use .key file directly to create keystore. The command I used ...
1
vote
2answers
6k views

IIS 7 + Tomcat 7 - how to reach http://localhost:8080/my_app under e.g. http://my_app.local

In brief: IIS 7 + Apache Tomcat 7 + isapi_redirect.dll: I have a deployed and working Tomcat-application available under http://localhost:8080/my_app. I would like to see the same content under ...
1
vote
1answer
447 views

mod_jk configuration for both Apache and Tomcat on same server

I am trying to set-up a proper configuration to have Apache serve some static html pages and to pass other requests for dynamic pages to Tomcat. So far, I have installed Apache2 and Tomcat6 ...