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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Howto find Tomcat current thread count

On my Linux server I run tomcat as root and when I run ps aux it gives the following output. root 25667 0.1 29.2 4574004 306980 ? Sl Apr27 33:57 /usr/local/java/bin/java ...
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45 views

How to Decide if I should upgrade the Ubuntu Server [duplicate]

I am using AWS micro instance running Apache HTTP Server and Tomcat servers. I have couple of Web Apps deployed on them where I use port forwarding from 80 to 8080 using Apache. Since I work for a ...
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38 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 ...
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1answer
41 views

Several JkUnmount(s) in multiple VirutalHost(s)

I am trying to configure multiple VirtualHosts in my mod_jk.conf. I have a few JKMounts and several JKUnmounts which will be common to all of the VirtualHosts. I was trying to move these *mounts to ...
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495 views

Starting tomcat causes “java.io.FileNotFoundException: ../logs/dc.log (No such file or directory)” in catalina.out

I have been seeing this for literally years as part of tomcat apps, and now that I have gone through the steps to investigate it, I can't find the cause. Here's what I see whenever I start tomcat on ...
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16 views

Server configuration regarding multiple tomcat instances [duplicate]

I am going to setup an website. I am expecting huge amount of traffic in future. I went through many articles for load balancing in tomcat. I wanted to ask how multiple tomcat clusters are good in ...
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1answer
49 views

HTTP Basic auth in tomcat

I am trying to enable basic HTTP auth on my tomcat application. Also I want to keep it outside the application. I added a new user to tomcat-users.xml and set its role to 'app-user'. Then I added a ...
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1answer
522 views

Port 80 redirects to CPanel's /cgi-sys/defaultwebpage.cgi even after forwarding

I recently took over the management of a website using a pure Tomcat 6 server (i.e. no combination Tomcat+Apache) with CPanel installed, which is only accessible on port 8088 (i.e. the main page URL ...
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67 views

For Tomcat 7 with NGINX, is APR still useful?

I've been having trouble keeping some Tomcat 7 servers running - they spontaneously shut themselves down. So I am looking at my config wondering how much I need certain things. I am using Tomcat 7 ...
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2answers
423 views

Which versions of win32 tcnative-1.dll are succeptible to heartbleed

We are trying to determine our window of vulnerability for Heartbleed. Does anyone have an idea of how to determine which version of OpenSSL was used to build a given Tomcat Native DLL? Our server ...
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291 views

High outbound network traffic on Tomcat under process nodeJR

We are investigating high outbound traffic on Tomcat servers hosted on AWS instances. The specific question I have is what the process nodeJR is - and how it could get installed under Tomcat? The ...
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125 views

Will tcnative-1.dll version 1.1.30 work with tomcat 7.0.29 without any issues?

In order to fix the Heartbleed vulnerability a new release of the tomcat java native libraries is being created. Will this release work with older versions of Tomcat 7 such as 7.0.29, or will this ...
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1answer
51 views

Tomcat resources not resolving correctly

I'm trying to deploy MITRE's OpenID Connect Java Spring Server using Tomcat. My server's FQDN is park.muller.io. I've compiled the MITRE server and placed the .war file into the Tomcat webapps ...
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1answer
32 views

How to enforce post encoding in tomcat 7?

Is there a way to enforce UTF-8 encoding on POST operations for tomcat 7, regardless of what the browser may send to tomcat? It runs with the latest JRE from http://java.sun.com/getjava
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0answers
79 views

Compression of Tomcat mod_jk results in Apache httpd

I'm developing a web application locally on my system, serving it using Tomcat (tomcat-7.0.52). In production, I want to front the Tomcat with an Apache httpd (Apache/2.2.15). This works and I ...
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54 views

Tomcat 7 log file date format

Tomcat7 log entries use a date format: Mar 30, 2014 11:50:32 AM How do I change it use the format: 2014-03-30 11:50:32 This would make it much easier for Zabbix to parse the log file for ...
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89 views

Servicing ws:// in Node.js via Tomcat and Apache

I've Googled various combinations of keywords but I cannot find a suitable description of what to do to get this to work. Currently, I have a web site running Apache 2 with everything except ports 80 ...
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1answer
495 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 ...
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1answer
34 views

Tomcat service crashing

I am having issues with a Tomcat service that crashes (stops responding to requests) and needs to be sigkill'd and restarted every few days. My graphing shows that HEAP memory usage gets to about 3gb ...
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40 views

optimal ulimit value for debian

I have an issue with my tomcat service, for more background info click here. What I am here about is that i suspect it has to do with my ulimit as my application does use rabbitmq and similar ...
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0answers
55 views

How do I proxy user context from httpd mod_proxy to tomcat?

I have configured a tomcat instance with SPNEGO to perform user authentication. When I access the tomcat port directly, it causes my browser to request my user name and password, which I provide and ...
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209 views

How to enable CORS on Glassfish?

Cross-Origin Resource Sharing is a mechanism that enables cross-origin requests[1]. As you can see in the link [1], It is easy to enable CORS in Apache Tomcat 7. Just a configuration in the file ...
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1answer
240 views

gzip compression using mod_deflate apache with tomcat

I'm trying to enable gzip compression in my Apache server which is fronting a Tomcat instance using a connector. I tried several variants of the module configuration settings in my httpd.conf. Here is ...
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1answer
52 views

A botnet may be attacking our site right now, how should we respond? [duplicate]

Not sure if SO is the right forum, but we're in need of help and perhaps programmatic elements may comprise the final solution. Instead of downvoting, please recommend where to post this question, and ...
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2answers
53 views

What's the difference if I access a site using www and without? [closed]

I'm a web developer on a software house, which develops websites for clients. The websites are hosted by third party, so we don't have full control over it. One of our clients one day asks us, why ...
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2answers
1k views

No Tomcat7 package for RHEL 6

We're currently setting up a new application hosting environment on Rackspace and are struggling to find a package for Tomcat 7. Our previous provider was Amazon and we ran on Amazon Linux who via ...
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1answer
219 views

Why Tomcat7 gives 404 for localhost:8080/

I had Tomcat working on my PC, it stopped working, couldn't debug. So, did a reinstall but it doesn't seem to work yet. I have installed ver 7.0.52 and have startup script taken from here. The ...
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25 views

How to make a docbase with Jboss-as-7.1

I want to know how it's possible to serve ( ie: to read) external files in my web application using Jboss-as-7.1 . It's easy to do with Tomcat but i'm newbie in Jboss. Thank you
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111 views

Tomcat 7 Session Persistence disable not working as expected

As documented in https://tomcat.apache.org/tomcat-5.5-doc/config/manager.html#Disable_Session_Persistence , I added the following code piece to disable session persistence in Tomcat 7. ...
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1answer
202 views

How to diagnose Tomcat 6 suddenly stop responding?

I run a number of tomcat instances and occasionally some just stop reponding to requests - timeout on every connection. I'm using AJP with mod_proxy in Apache 2.2. I get a timeout via Apache/AJP ...
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1answer
35 views

Tomcat upgrade replacing ROOT.war

When upgrading tomcat by running: yum update on Amazon Linux the ROOT.war file is replaced by the default ROOT.war from the tomcat distribution. Is there a way to prevent this?
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1answer
52 views

High Volume Settings for Apache / Tomcat/ Mod.JK

I have a 3.5 GB 2 CPU server running on tomcat/apache with mod.jk. We are seeing our server itself having plenty of memory available and tomcat is not showing anything crazy in terms of GC. We have ...
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337 views

Tomcat localhost page showing HTTP500 but I can access the 'sample' war / app but no others - Jenkins installed

I'm trying to set up my server properly so that I can run servlets on it with the help from Jenkins. Within the webapps folder are two war files. One for jenkins and one for the sample from ...
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1answer
423 views

Error in tomcat 7 start up

I am facing problem in starting up the tomcat zip file. I am totally new to jsp and servlets. I have installed tomcat 7.0.52 and set the path and java_home both. In one of my system its working fine ...
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1answer
66 views

Nginx sever not handling 404 from upstreams

In my setup , I have a nginx server as a reverse proxy for my tomcat application servers. I use proxy_pass to connect to tomcat upstreams .. location /test { proxy_pass ...
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1answer
37 views

Tomcat and Apache comparison [closed]

What interests me are the similarities and the differences between tomcat and apache. When would one be used and when the other? Thank you.
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2answers
353 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 ...
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2answers
65 views

how to recover from a failed web server or reverse proxy

I have the following setup in my datacenter. Global LB --> HA proxy (2 instances on different servers via VRRP, performs HTTPS termination, acts as reverse proxy) ---> Nginx(2 instances on different ...
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31 views

How vulnerabilities in the Java affects application running in Tomcat/JBoss

I wonder what impact has Java vulnerabilities on application in Tomcat. For example Java 1.6u45 has many reported security bugs (Remote Security Vulnerability). You can easily exploit it on client ...
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30 views

Unchanged Elastic Beanstalk transitions to RED health

I've got an application running on Elastic Beanstalk that seems to randomly transition to RED. The App is running just fine and has been for a while (it is also not crashing) but every once in a while ...
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0answers
49 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 ...
3
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2answers
849 views

Discerning GoDaddy SSL Certificate Types

I'm following these instructions for installing a GoDaddy Certificate in Apache Tomcat: ...
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1answer
473 views

How can I run Apache Tomcat and Node.JS servers at the same time?

I'll give you an example of what I want: Let's pretend my domain is domain.com for now. My server machine is a Linux (Ubuntu). I'm currently running Tomcat as my server on ports 80 and 8080. I have ...
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3answers
64 views

Manage multiple ports with Apache Tomcat

I already switched my default port from 8080 to 80, but here's a problem: I need to also be able to manage port 8000, too. Current ports are: 8080, 80. How do I map a new port (8000) to a new webapp? ...
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votes
4answers
1k views

How to add symbolic link as webapp to webapps in Tomcat 7 on Linux?

Setup I use Apache Tomcat 7 on an Arch linux distribution, and my webapps directory is located at /usr/share/tomcat7/webapps. In this directory one should create a directory, and put META-INF and ...
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1answer
314 views

AWS: network ACL blocks outbound traffic

I am implementing a REST service in Amazon AWS. The internal servlets listen on numerous ports like 8080 and 9000, and an Apache configured as a reverse proxy serves them with proper URL schema using ...
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0answers
42 views

Running two different application servers on the same Oracle RAC database

I would like to set up a basic high availability solution for one application server (Tomcat, JBoss). Is it possible to run to clone each application server and connect clone a to node1 and clone b to ...
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2answers
112 views

How to get statistics of apache tomcat

I'm new to Tomcat server. I'm designing a tool that provides the statistics of hits(page views) in a tomcat server. i.e . I want to design a monitoring tool that gives the data of hits from a ...
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2answers
1k views

Apache - How to limit Content-Type header length to avoid CVE-2014-0050?

On Thursday a DoS problem with Tomcat was announced in a Tomcat mailing list ("[SECURITY] CVE-2014-0050 Apache Commons FileUpload and Apache Tomcat DoS"). An attacker seems to be able to cause an ...
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1answer
56 views

Issue Deploying Sample WAR on Turnkey Tomcat

I am trying to learn how apache and tomcat and war files work I have downloaded The Turnkey Tomcat on Apache VM and am running it in Parallels http://www.turnkeylinux.org/tomcat-apache I have ...