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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tomcat processParameters complains about “invalid chunk ignored”

I am hosting a software system running under tomcat for quite a number of customers. Some of these send invalid URLs as request. These URLs may contain "&=" or "&&", which is not within ...
4
votes
5answers
247 views

What are the 'gotcha's' a software developer needs to look out for if tasked with setting up a production ready server?

As a software developer I am very used to installing my typical stack (java, mysql and tomcat/apache) on my development machine. But setting up and securing a production machine is not something I ...
4
votes
1answer
1k views

How can I deploy a ClickOnce application via Tomcat?

We're in the need of deploying a .NET clickonce application through an Apacke Tomcat 6. server. Does anyone have any tips or caveats for setting this up ? (Or is ist just so straight foreward I don't ...
4
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2answers
860 views

YouTrack on Tomcat 7 using SSL

I have a running YouTrack instance deployed using Tomcat 7 and it works fine on http://example.com:8080/youtrack Apache is already configured to support SSL for the main domain (I have .pem file). ...
4
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1answer
5k views

Running Jenkins standalone vs within Tomcat

What things should be considered when deciding between running Jenkins standalone or within Tomcat? We would prefer to not have to use Tomcat because there's no other applications on this server ...
4
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2answers
12k views

Can't connect to Tomcat even though it's running

I've tried to install Apache Tomcat 5.5 and 6 in 2 different ways (from source and with apt-get) on Debian 5 and Debian 6 -- no success. The server is running but I can't connect to it. netstat -a: ...
4
votes
1answer
840 views

Tomcat Solr Memory Usage

I am running solr on tomcat server on linux server, when I use the top command I see the "VIRT" very high PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND 4786 root 20 0 ...
4
votes
1answer
212 views

Apache 2.2 with Tomcat

i'm trying to set up a dev environment with apache2.2 + tomcat + mysql. Of course i already have apache2.2 + mysql working fine with php but, when i look at google about how to setup tomcat, i find a ...
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3answers
8k views

How to redirect Apache to different ports on a GlassFish server?

I have a GlassFish instance running different services on different ports. An Apache web server sits in front of the GlassFish, and I want to set up virtual hosts on Apache to redirect to certain ...
4
votes
1answer
1k views

Correct way to configure Tomcat virtual hosts

If I want to access Tomcat directly from a remote host, i.e. not through Apache, should I configure the connector to use localhost or the external IP/hostname? What if it's on a Windows server and I ...
4
votes
2answers
6k views

Starting Tomcat 7 as a user - init.d script can't write pid

I want to run Tomcat 7 as a user on CentOS 6. I've created a user tomcat:tomcat and changed the ownership under /var/lib/apache-tomcat* etc... There are lots of docs online on how to do that but I ...
4
votes
1answer
1k views

Varnish + Tomcat vs Apache + mod_jk + Tomcat

Does anyone have some performance metrics for Varnish in front of 1) Tomcat or 2) Apache with mod_jk (connected to Tomcat). I know that the AJP connector is supposedly faster than HTTP, but I was ...
4
votes
1answer
13k views

How to configure tomcat to rollover catalina.log log files

I'm trying to configure my tomcat to rollover log files once a size limit is reached. I'm running tomcat as a windows service and am redirecting all my stdout to catalina.log. This is how I configured ...
4
votes
3answers
9k views

Apache2 reverse proxy seems to intermittently freeze?

Apache2 reverse proxy seems to intermittently freeze when proxying a tomcat web app. The problem is that every so often (once or twice a day usually after inactivity) when I try to log into this ...
4
votes
6answers
784 views

load balancing in Tomcat

I want to implement the load balancing in tomcat 6.0 so that we can create more than one instance of a tomcat and when any of the instance is down then other instance will run our application. so that ...
4
votes
1answer
1k views

ssl certificate installation on tomcat

I am trying to create a new certificate for my scala play framework on ubuntu but I cannot import my key with keytool. I haven't been able to figure out what is causing it so I thought I'd see here if ...
4
votes
1answer
4k views

Apache SSL reverse proxy to a Embed Tomcat

I'm trying to put in place a reverse proxy for an application that is running a tomcat embed server over SSL. The application needs to run over SSL on the port 9002 so I have no way of "disabling SSL" ...
4
votes
1answer
432 views

Does jmxremote affect tomcat performance?

I'd like to enable jmxremote to monitor Apache Tomcat resources utilization with Munin, but I want to know if this will affect the servers performance, is so, how much will it be impacted.
4
votes
1answer
116 views

Tomcat to WebSphere - Server Contexts

I have a line that defines the location of reports and images in my Tomcat setup that has the following data: <?xml version='1.0' encoding='utf-8'?> <Context docBase="/usr/local/app/oid/...
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0answers
1k views

Tomcat/CF10/IIS7.5 Connector Tuning Help (503 Errors)

Problem: After a undetermined amount of time, all websites running in an application pool return 503 errors as IIS has stopped pool due to Rapid Failures from the pool. Increasing the number of ...
4
votes
1answer
3k views

Tomcat url rewrite fails with 404, but browsing directly returns a 200

I have a web application deployed in webapps/appname and I'm trying to add in rewrite rules to example.org/appname-slow to rewrite to example.org/appname?delay=1. I have the following in webapps/ROOT/...
4
votes
2answers
354 views

Tomcat Denial of Service due to large packets

I had asked this question on ITSecurity, but I felt this question is better placed here. On a recent assesment, I found that sending large (>5 MB) requests to a tomcat server causes 100% CPU usage on ...
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0answers
5k views

Tomcat fails to find a key entry in keystore

I am installing a SSL cert in my Tomcat server, but it fails to find the key entry in my keystore file. If I don't specify keyAlias="mykey" it shows me the following error message: javax.net.ssl....
4
votes
6answers
644 views

Running background jobs In a clustered environment

I have an architecture question. In a clustered web app environment, I can think of three ways to deal with background jobs: have a dedicated machine run all the jobs, thus freeing the web servers ...
3
votes
3answers
5k views

How to configure my Elastic Load Balancer to balance SSL traffic?

I'm totally lost so I apologize if I'm not making sense. I need to create a load balancer in EC2 for our application servers. I'm trying make the ELB balance traffic over SSL (8443). However, it's ...
3
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2answers
2k views

Difference between calling tomcat shutdown script and killing process

On our linux boxes, we have multiple users who run tomcat. Currently we are using process kill commands to kill the respective user's tomcat , instead of using shutdown.sh Are there any downsides of ...
3
votes
4answers
2k views

Tomcat denial of service

The last two days our Tomcat 5.5 Linux-based webserver has been broken down within minutes by starting thousands of downloads and stopping them. Some request paths in the access log end with a "?...
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 ...
3
votes
1answer
9k views

permission denied to start tomcat as root

I just started using CentOS. I install Java yum install java-1.7.0-openjdk-devel Added a user: $useradd supersite Downloaded tomcat: $wget http://apache.mirror.anlx.net/tomcat/tomcat-7/v7.0.42/...
3
votes
2answers
5k views

Java eats %100 cpu up

I got this CentOS server in which a Java WebApp (Tomcat6+Hibernate+MySQL+Struts2) is being run. Usually cpu usage is about 10% but sometimes all of a sudden it goes to 100% and the application ...
3
votes
2answers
1k views

Is there a Apache or Nginx equivalent to the IIS “drain stop”?

I come from a .NET background and there are many things I loved about it along side many things I hated. IIS was, in general, one of those things I hated. However, one really nice feature of IIS was ...
3
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2answers
8k views

HTTP gzip compression not working for css or javascript in tomcat 6

Connector settings: <Connector ... compression="2048" noCompressionUserAgents="gozilla, traviata" compressionMimeType="text/html,text/xml,text/plain,text/css,text/javascript"/> This seems to ...
3
votes
1answer
5k views

How to disable ETag headers in Tomcat

Tomcat seems to send an ETag header with each response by default. I'd like to disable these for reasons outlined here. I know I can strip them out in my Apache configuration, but is there any way to ...
3
votes
2answers
10k views

Configuring nginx for use with Tomcat and SSL

I have Googled and looked at various sample SSL configurations and it seems like I've got things set up right, but there are two problems: When I load https://mysite.com, the lock that should appear ...
3
votes
3answers
1k views

Directing DNS to different ports

Greetings all, I have a server with two tomcat services (one being run on port 80, the other 8080). What I'm wanting to achieve is to have two different DNS records for these two ports, so they'll ...
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 ...
3
votes
7answers
33k 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 ...
3
votes
2answers
3k views

Edit “server.xml” in Tomcat without restarting server?

I edited the "server.xml" file in Tomcat 8’s conf folder. I added a new Host tag for a new web site. Must I restart the Tomcat server? Can I get Tomcat to parse and apply the newly edited server....
3
votes
2answers
874 views

Where to set JAVA_HOME in Ubuntu

I am trying to configure Tomcat to know where JAVA_HOME is. I am used to Windows :) ...which file should I edit to add the Java info, and where is it located?
3
votes
2answers
5k views

Java: Tomcat slow serving static files?

I'm running an instance of Apache Tomcat (5.5) on a Windows 2008 platform. I think I'm seeing an issue related to concurrent file access / locking. When the number of concurrent HTTP threads is ...
3
votes
1answer
2k views

Which is more secure: Tomcat standalone or Tomcat behind Apache?

This question is not about performance, nor about load-balancing, etc. Which would be more secure: running Tomcat in standalone mode or running Tomcat behind apache? The thing is, Tomcat is written ...
3
votes
2answers
2k views

gzip on httpd or on Tomcat?

In a Java web application running in an Apache Tomcat servlet container with an Apache httpd in front of it: is it better to use enable GZIP compression on Tomcat or on httpd level? is it better to ...
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 1.1....
3
votes
2answers
234 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 ...
3
votes
1answer
841 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 ...
3
votes
3answers
2k views

Apache as reverse-proxy for tomcat (running jenkins)

I have set up apache to work as a reverse proxy to tomcat that is running jenkins-CI. I can access the site from outside fine, except when I log in to jenkins, it redirects to my lan-hostname, and it ...
3
votes
3answers
998 views

Apache/Tomcat Parameters

I have a Medium server on EC2. I don't know that much about Apache or Tomcat - they are up and running, but other than that I don't have advanced knowledge of how to tinker. I know that I can set the ...
3
votes
2answers
4k views

Monitoring Tomcat Webapps [closed]

We have several webapps deployed to a single Tomcat 7 server. Is there a way to monitor the status (uptime, memory usage, etc.) of each webapp deployed to a Tomcat server? We are using Nagios to ...
3
votes
2answers
18k views

How to access a simple file or folder from Tomcat webapps folder

I want to be able to access a folder from my tomcat webapps folder so that I can give someone a URL like: http://localhost:8080/myFolder/myFile.f And in a web browser if they point to this they ...
3
votes
2answers
6k views

mkdir: “no space left on device” on specific folders after Apache Tomcat reached max-file ulimit

The question: I have a tomcat running a java application that occasionally accumulates socket handles and reaches the ulimit we configured (both soft and hard) for max-open-files, which is 100K. When ...