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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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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52 views

How to troubleshoot an unresponsive server

I'm performance testing my Java based web application (Grails) that is deployed on Tomcat. The server has the below services running on it: Apache HTTPD Apache Tomcat MySql RabbitMQ Even though I ...
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1answer
44 views

Configuring An Opensource Control panel to use with Tomcat 7 in linux or centos [closed]

I have a vps with cent os 5.x installed and a kloxo cp installed with it. What I need is how to configure tomcat 7.0 to use side by side by kloxo panel, for example, I can sell a jsp hosting, that ...
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82 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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33 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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2answers
29 views

Hide/mask tomcat from open access

How to mask tomcat app adress from public access easily. Let's say we run it on default port 8080. So myapp.com:8080 is easy to scan, whatever port we use it's no problem. Lockoutrealm that tomcat ...
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1answer
64 views

Tomcat app behind Apache, htaccess auth

Please help to set up a protection for Tomcat app with .htaccess. I want to use mod_proxy ProxyPass and ProxyPassReverse My tomcat app: www.example.com:8085 What I want is to make it impossible to ...
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votes
1answer
97 views

How do I set up TLS-PSK with Tomcat [closed]

The Tomcat people won't help me, so I'm hoping someone here will come through. I can't figure out how to set up Tomcat to use pre-shared keys. All the SSL/TLS guides for it assume certificates. Please ...
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129 views

How to protect tomcat application - user authentication with fail2ban?

AFAIK tomcat6 does not use Apache std .htaccess auth, but has own user authentication method. My question is: How to protect it against brute force attack with fail2ban ?
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0answers
67 views

Java Spring application working on one system, dying on almost identical one

Introduction I'm running a third party Java Spring application on RHEL, that refuses to run on machines cloned from a certain RHEL 6.5 template. It just dies on startup with a bogus exception (see ...
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141 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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1answer
240 views

404 in Tomcat manager with AJP connector

I'm trying to configure Tomcat 7 on CentOS 6 with Apache mod_jk, SSL, and an AJP connector. The JK module is installed under Apache: $ sudo httpd -M | grep jk jk_module (shared) Syntax OK Tomcat ...
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67 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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1answer
65 views

Tomcat Still Displaying :8080 after configuration changes [closed]

I looked around the site and tried to follow the recommendations. I specified that Tomcat use port 80, changed the connector listening port, and restarted the server each time. However, when I try to ...
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0answers
66 views

Squid configuration to allow all https and block all else to and from localhost

I'm attempting to use squid to mock something on my local windows machine for testing purposes. I need to allow local applications and browsers to connect to a tomcat server running on localhost, ...
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1answer
50 views

Service Tomcat7 Restart vs Stop and Start [closed]

Is there any difference to doing: service tomcat7 restart vs service tomcat7 stop service tomcat7 start Thanks
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1answer
164 views

How to install/update/upgrade SSL certificate in Tomcat

I am about to install/update/upgrade a SSL certificate in one of the servers which has the following configuration Sever information: Sever version: Apache Tomcat/6.0.35 OS version: Linux ...
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0answers
54 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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0answers
35 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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1answer
120 views

Share same session with multiple domain using nginx & tomcat

We've a running a grails application on a tomcat server behind nginx for multiple subdomain: http { include /etc/nginx/mime.types; default_type application/octet-stream; a ...
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0answers
174 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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117 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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2answers
81 views

Tomcat WAR file which increments JSESSIONID on reload to test session replication [closed]

I'm currently having to configure Tomcat for the first time. For the moment, I think session replication (JSESSIONID) is working, but I have no way of knowing. Note that I've never learned to code ...
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2answers
41 views

Apache serve static content according to hostname

I have tomcat running behind apache and some web application running on it. My application handles whitelabeling so if some user will goes to subnet1.myhost.com he will se some website and ...
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0answers
33 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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1answer
99 views

Tomcat 7 + apache2 proxy forward cause website resource missing

I have this problem I am sure most of the people should have seen. I am using apache2's mod_proxy_html to forward web request to tomcat. The request got forward to tomcat, but tomcat server is unable ...
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1answer
45 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 ...
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70 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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1answer
214 views

org.apache.catalina.session.ManagerBase- Start expire sessions StandardManager and End expire sessions StandardManager

I am just a beginner with tomcat and got stuck with following error while deploying a third party application. I have certainly start getting in tomcat (tomcat version is 7 on windows 2008 r2) logs ...
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1answer
79 views

How To Work Around Apache Bind Port 80 Error

I believe my problem is related to the order in which windows services start. I have been searching this error before posting here. We are running Windows Server 2003. Both Apache (port 80) and IIS ...
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0answers
82 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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0answers
17 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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34 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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1answer
105 views

Log warnings and errors only in Tomcat

I'm running an instance of Apache Solr with Tomcat 6. The scripts I used for installing configured Tomcat to log "everything" which means that it generates huge logfiles because every query etc. is ...
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1answer
48 views

Tomcat SFL4j error

I am getting this error when trying to start a new application using Tomcat: Could not find necessary SLF4j logging jars. If using Jetty, the SLF4j logging jars need to go in the jetty lib/ext ...
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1answer
256 views

Tomcat and IIS 7 both on different ip's and different ports

I have Tomcat and IIS 7 installed together on a Windows 2008 server. The machine has two IPs (134.133.1.1 and 134.133.2.2). I want Tomcat to handle 134.133.1.1, on port 80, and IIS to handle both ...
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1answer
39 views

504 error crash on openshift

I have deployed a java application in openshift. I am using bronze plan. My application is a scaled application and also uses 4GB of memeory. I got an 504 error crash two or more times in a day. ...
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1answer
29 views

Where should I apply the SSL certificate?

I just bought a positive SSL for my company's staging server. We Apache web server and tomcat installed on the server. I'm not an expert but I saw some settings in httpd.conf file that has url like ...
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1answer
122 views

Apache: Proxy based on URL suffixes

My team has written an internal BI server, which generates HTML reports at links such as /users/daily or /updates/questions. The server is written in Grails, and it works perfectly with a classic ...
1
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1answer
92 views

1and1 host 2 domains to same tomcat instance in the same server

I am having some problem hosting a second website in the same server. I have 2 1and1 domains now. When i had the first one, i set the DNS setting to point to my server's ip address and i had the port ...
1
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1answer
244 views

starting tomcat remotely fails to start

When I run my start command via ssh it tells me that its started but it is in fact not the case. Catalina logs does not seem to capture any events either. However stop and status works. ssh -t ...
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2answers
397 views

Session lost in tomcat uing nginx as proxy

I have several applications in a tomcar server. I am using nginx for proxy so i can achieve acceding the application from a subdomain tomat:8080/app1 > app1.mydomain.com tomat:8080/app2 > ...
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1answer
484 views

Multiple Domains Single Tomcat 7 - Apache Mod_proxy

I have been struggling with this for a day and more now. As i am new to server setup stuff. Been following many tutorial and docs on net regarding the same, many hit and run, But got no luck. Here is ...
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2answers
31 views

OpenNMS installation failure

I am willing to use OpenNMS to monitor my network. Monitoring it fully from the router to the nodes from a computer will be connecting the network as node not as administrator and that computer using ...
0
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1answer
27 views

Nginx: index mapping

I'm trying to install Nging as a frontend server for HTTP requests but the welcome page does not work: server { listen 8081; server_name localhost; root ...
2
votes
1answer
114 views

Railo-Apache Config Issue: “example.com” points to /var/www while “example.com:8888” points to Railo

As per my title, I was able to successfully install and run Railo and Apache on my VPS. It runs Ubuntu 14.04. My dillema is that I can't get example.com to point to my Railo root. At present, ...
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2answers
147 views

Benefits multiple instances tomcat one server

We have 1 physical servers, are there any advantages of running multiple instances of Tomcat on one box or doesn't it make a difference?
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34 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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1answer
208 views

Tomcat cant access network drives on Windows

I have Tomcat 8 installed as a service on Windows Server 2012. The problem is that Tomcat can't access network drives. The tomcat manager shows that it is logged on as Local System Account. I've ...
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0answers
86 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 ...