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 is not starting although JAVA_HOME path is correct

I have linux server in which I run several Tomcats. The current Java I use is 64 bit. All Tomcats use 64 bit java but one. This one Tomcat needs to run with 32 bit Java. If I don't change anything, ...
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57 views

NGINX configuration with Tomcat Application with session

I am new to NGINX and am trying to configure NGINX to pass requests to a domain address to a web application running in Tomcat. How can I configure nginx to pass domain requests to the application ...
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23 views

Our tomcat just crashed due to classnotfound, not sure how to investigate

Our server has been in production for years without issues, but today it crashed out of the blue. Last in the logs: Exception in thread "main" java.lang.NoClassDefFoundError: ...
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22 views

Deploy from Eclipse to Tomcat cluster

I've the following cluster configuration in server.xml on each server (there are two): <Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"> <Deployer ...
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51 views

Any benefits to proxying from nginx to tomcat behind cloudfront+elb?

Are there any additional benefits to having nginx sit in front of tomcat on our ec2 instances, when those instances are already only serving dynamic requests behind cloudfront and ELB? I'm thinking ...
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32 views

Can Apache mod_proxy_balancer redirect to a specific worker when it fails?

With Apache 2.2 mod_proxy_balancer, I am load balancing 2 tomcat (T1 and T2) instances, and 1 more tomcat (T-HA) for failover. I know that I can set the T-HA with status=+H for that purpose, like the ...
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92 views

Artifactory behind Nginx without directory /artifactory in the url

On our old server (hosted), Artifactory was running behind an Apache proxy. The public url was http://repo.example.com/ Our hosting provider moved us to a new server. A new version of Artifactory ...
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68 views

Accessing Tomcat manager on a server with multiple domains

I'm having a hard time accessing the Tomcat Manager on our multi domain setup. I keep getting a 404 when I load intra.domain.com/manager/html. Note, I can reach /docs without any issues. File: ...
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16 views

IIS ISAPI filter - Logfile rotate

See http://tomcat.apache.org/connectors-doc/reference/iis.html My settings are log_level=info log_file=C:\Program Files\Apache Software Foundation\Tomcat 8.0\logs\isapi.%Y-%m-%d.log ...
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188 views

How to reduce Tomcat response time (OR increase throughput)?

I have Tomcat 8 and MySQL 5.6 running in 2 Azure virtual machines (8 cores and 28 GB RAM). My web application provides a REST API to insert several data fields into DB. The application uses a common ...
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32 views

Redirecting Particular Server Request to Another Tomcat worker

I am currently using Tomcat, Apache and mod_jk for redirecting calls from 80 to 8080 on a Ubuntu Server. Of recently one of the Servlet request (which behaves more like a heartbeat ping, but gets some ...
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82 views

tomcat not logging to catalina.out

We have a server running a tomcat app that's not logging to catalina.out, we've checked the filesystem permissions, everything looks fine there. the logging.properties is the same (md5sum) as on ...
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238 views

Ubuntu 14.04: tomcat7 permission denied

I have been running a tomcat7 application on my Ubuntu machine and everything worked fine. Since some time, probably after a system update, I'm getting strange permission denied errors and I'm quite ...
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56 views

Umlaut URLs fail in Tomcat when accessed via isapi_redirect

I have some PDF Documents in my Servlet that contain ä,ö,ü,ß, etc. On accessing the documents like this http://hostname:8080/ServletName/test_ä.txt the tomcat initially responded with an 404. After ...
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13 views

Is “deployer” a reserved username in Tomcat?

I just found a curious situation with Apache Tomcat. When I tried to deploy my web application to tomcat via maven. I found that username deployer doesn't work yet username deploy works. Is the ...
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101 views

Make Multiple MOD_JK environment aware of each other

I have 2 web servers utilising mod_jk to load balance requests to 3 tomcat servers. The current configurations have to allow the usage of sticky sessions to pass returning requests back to the same ...
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40 views

tomcat6 on centos 6.2 fail to start

i just installed tomcat6 through yum, but service tomcat6 start = OK, but service tomcat6 status = fail i found this post ...
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66 views

windows single sign on tomcat through IIS Url rewrite

I'm facing a difficult setup where I have to configure single sign on, based on the logged in used on my tomcat application. I already took some steps which allow me to login via single sign on ...
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131 views

How to limit the RAM used by Apache Tomcat on AWS micro instance?

I am running Apache Tomcat with Geoserver as a .WAR on an AWS micro server running Ubuntu 14.04 with 1 GB RAM and ~700 MB swap, and I am concerned about my RAM usage because it is overflowing into my ...
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83 views

How to disable tomcat startup on server boot?

I have a Amazon Linux instance in which Tomcat is starting up during the server start. I want to disable it. Tomcat is not listed in the chkconfig or /etc/rc.local. How to find out, from where it's ...
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57 views

Tomcat server accessible only inside the server

I have installed Tomcat7 on a dedicated server running CentOS. It is configured to run in port 80. I am able to verify it running and browsing both localhost and local IP 192.168.1.230 are working ...
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32 views

DB Users Getting Locked every time After Restarting TOMCAT

On one of our server we have deployed the Tomcat 6. We observed that each time we start the service DB users which are used to connect to the database gets locked. When we unlock these users and ...
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72 views

ASP.NET/IIS <---> Solr/Tomcat setup on EC2 - “best practice” configuration

I am an ec2 newbie and deploying an asp.net application that interfaces with Apache solr (on Tomcat). In my dev environment I am running ASP.NET and Solr/Tomcat on my windows box. I am also ...
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83 views

Using SSL to secure Solr with Tomcat - Admin Dash Fails to Load Properly

Tomcat: 7.0.56 / Java: 7 Upd: 71 / Webapp: Solr 4.10.1 / OS: Windows 2012 R2 Busy trying to secure Solr to compensate for the lack of security prevalent for a developer. We're having some difficulty ...
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23 views

What are the default accessible resources for a webapp in Tomcat?

When a deploy a web application in Tomcat by default all directories I create under %TOMCAT_HOME%/webapps/mywebapp/ are accessible, i.e. files contained in the directories can be served. Except ...
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63 views

Apache tomcat server for yum repo

I have a system that currently has apache tomcat on it (RHEL 6.5). I also want to make a yum update repo on this system for other systems on the network (also RHEL 6.5). I know I can use the apache ...
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64 views

How to move tomcat applications with minimal downtime

I am looking for advice on how to move my tomcat server to a new IP. Here is my situation: I have a Tomcat server which runs on an old Ubuntu. It contains 4 active applications (all having a virtual ...
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129 views

get tomcat worker status from jkmanager

We have 3 Machines mod_jk with load balancer first Worker on tomcat8 2nd Worker on tomcat8 everything works as expected but, when one of the tomcat is being shutting down the status page on the ...
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66 views

How to profile how much memory my tomcat server needs?

I'm running a tomcat server on my own for the first time and I was shocked by how much memory Java apps need compared to apps in other languages. Since I am paying a web host, I want to determine how ...
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163 views

Starting a second tomcat instance with a user other than root on redhat linux

I am running RHEL Server 6.1 After intalling tomcat6 using yum install tomcat6, I needed a different tomcat instance on the same server. Following instructions on ...
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50 views

Can't connect to Tomcat

I an new to Tomcat and having some problems - I have installed Tomcat 7 and it is running and set to use port 8080 in server.xml. I have opened port 8080 in iptables (and saved iptables) but I cannot ...
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231 views

Optimizing performance of Apache Tomcat serving Cognos TM1 application

I have inherited a project to optimize the performance of the Cognos TM1 application for my organization. When running reports from the web server, it takes a very long time (varies from 20-30 ...
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176 views

High CPU Utilization from apache tomcat

In our environment, we have two tomcat servers on a windows environment which are load balanced. Server 1 has normal CPU utilization whereas Server 2 has almost/more than double the CPU utilization of ...
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142 views

Tomcat reach close to 200% CPU usage even after I stop all applications using Probe

I have a running tomcat that is reaching 198% CPU usage. I though that maybe it was one of its web applications however, I stopped all applications using Probe but the CPU usage did not go down. This ...
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93 views

Client authentication on tomcat fails

I have a Apache Tomcat 7.0.39 server running on a Windows server machine and I'm trying to enable client authentication. I first tried this using eclipse on a client machine I have (also on windows ...
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324 views

tlsv1 alert internal error - SSL certificate misconfiguration on Tomcat7

I have configured a certificate on my tomcat7 a few weeks ago and, after having an issue using a facebook plugin on my website, the Facebook Plataform Team pointed that: 'this issue is caused by an ...
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209 views

Nginx doesn't properly reverse proxy pass cookie to tomcat

My tomcat application tries to read a cookie but on the first load it can't read it. After a reload or couple reloads it will read cookie properly. This is intermittent after a few hours or so. I know ...
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80 views

How to override <Environment/> in my ${catalina.base} instance?

I am running tomcat 7.40 with an <Environment/> defined in the ${catalina.home}/conf/context.xml : <Environment name="conf_root" value="/path1" type="java.lang.String"/> Now, I ...
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110 views

Apache2.4.6 and wstunnel don't correct proxy to tomcat7

I have everything being proxy correctly just that my websockets keep giving me an unexpected 200 response error. I am using native websockets on chrome and firefox. my conf file looks like this ...
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173 views

Tomcat aplication status shows AJP threads busy for long time

We are running a JEE application inside a Tomcat 7 container on a machine with Windows SO. Sometimes, the application response time become really bad and a little after that app freezes and a tomcat ...
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22 views

Handle compression on Apache without propagating the Accept-Encoding to back-end Tomcat server

I have Tomcat fronted by Apache. I want to handle compression on Apache only, without Tomcat being aware. I disabled compression on Tomcat already, but due to a problem with the application running on ...
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64 views

Permission Issue for mounted Folder

We are using Jboss5.1.0 installed in Oracle Linux Server. We have mounted the Virtual Folder Directroy from Windows 2008 R2 Server which servers images and css files. we have mounted the virual ...
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44 views

Web request unable to enter Server

I have a website hosted on AIX server on Tomcat. It receives its requests from another server with Apche installed on it and the server with Apache on it sets on request header as well. Recently I ...
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143 views

Handle many requests Web Services

I created a web service with Jersey and Tomcat in localhost. Now I want to expose my web services to all users in the world, so let's assume you have many concurrent requests. I have access to a ...
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170 views

tomcat virtual host 404

I have a tomcat instance running and I am trying to add virtual hosts to it. I have modified the Server.XML file which consists of following host def <Host name="www.test.com" ...
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203 views

How do you stop tomcat after changing the shutdown word in server.xml?

Running tomcat-7.0.33 on CentOS. I have a security requirement to change the tomcat shutdown word in server.xml to a random string of characters, so I need to go from this: <Server port="8005" ...
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199 views

'check_tomcat.pl' plugin returning CRITICAL: /manager/status?XML=true HTTP/1.1 404 Not Found

I don't know what I'm doing wrong. I'm trying to use this plugin, check_tomcat.pl but it doesn't seem to be configured correctly. Keeps returning the error: CRITICAL: ...
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34 views

nginx $upstream_cookie_… variables

nginx 1.7.1 introduced Feature: the "$upstream_cookie_..." variables. see http://nginx.org/en/CHANGES What does it do and how do you use it? Can that be used for Session Affinity when proxying to ...
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158 views

Reverse Proxy and requested URL aware tomcat

I've configured an infrastructre setup where an apache reverse proxy terminates SSL requests. Then the requests are proxied to another frontend apache webserver and then again this one is connected ...
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109 views

Apache Tomcat & SSL - not connecting from different Sub Network

we are deploying an Apache Tomcat .WAR application provided from a third party. We have followed all the instructions provided from the party. The specs are: windows 2008 server Apache Tomcat 6.0.37 ...