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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SSL Cipher Mismatch Tomcat RHEL

I'm deploying a Tomcat web server with an SSL certificate. I've created the keystore and have received and installed the certificate back from the certificate vendor. However, I receive ...
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14 views

Inconsistent CPU load on debian

This server runs Apache2, Tomcat6 and MySQL.(if that makes any difference you tell me :) Using htop i can see the cpu load on each of the 4 cores. What I do not understand is witch processes are ...
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16 views

ProxyPass unknown Worker parameter

I'm new in Apache and I have a RedHat6 server with apache2.2 and tomcat6. I'm trying to configure the parameter connectiontimeout, like the below configuration: ProxyRequests Off ...
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23 views

Tomcat/apache2 application - virtual host issue. Welcome.action URL not found. Possible mod_rewrite issue

Im having some issues setting up a tomcat application to work with apache2. My KonaKart tomcat application is running on port 8783. And I'm trying to access it publicly on port 443. I created the ...
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12 views

How to divert request from apache to multiple servers ports (Zope 8080, Tomcat 8081 etc.)?

Hi I am running multiple applications on the same machine like Plone which is using ZOPE application server that is running on port 8080 and Tomcat which is hosting multiple web applications and ...
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19 views

How to make a 301 Redirect before proxy?

I have apache in front of tomcat. I have this proxy settings: <IfModule mod_proxy.c> <Proxy *> Allow from 127.0.0.1 </Proxy> ProxyPreserveHost On ProxyPassMatch ...
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1answer
15 views

how to install two versions of tomcat 6 and 7 with java 6 and 7 respectively on same ubuntu server

Can any one help me to configure a server with two tomcat instances i.e. tomcat 6 with java 6 and tomcat 7 with java 7 versions on a same ubuntu server?
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1answer
30 views

Apache Tomcat requires an abnormal amount of time to start in CentOS 7

I am experiencing a weird issue on a CentOS 7 virtual machine and I can't see what is causing it. I created the VM on Digital Ocean and set it up as follows: 1) modified /etc/hostname with ...
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1answer
20 views

What is the latest patched version of Tomcat7?

I am running on tomcat version 7.0.52 , i know this is a old version. I looked into https://tomcat.apache.org/security-7.html, according to this page , the latest version is 7.0.68 , so i am in ...
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14 views

AJP Connection Failure

The other night a Apache load balanced cluster of Tomcat instances because to fail when attempting to communicate over AJP. I can not figure out why this occurred nor can I get apache to comminucate ...
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35 views

Why HTTP 501 error of type JSON presented to UI as text/html instead of application/json?

I have front-end Angular running on Apache with back-end Spring REST API on Tomcat. I wanted to throw 501 error in some error case and want that response to be presented as JSON to UI (Content-Type ...
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19 views

Tomcat instance inadvertently down in amazon ec2

I am running a tomcat instance in my ec2-instance, and it is frequently down for some reason. I checked the logs at {tomcatinstance}/logs/ , like catalina.out, localhost*.log, myapplication.log; but ...
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1answer
37 views

Apache timeout - large file downloads

A website I manage has to occasionally serve up large files over the internet, and this usually results in a failed HTTP 500 Internal Server error. However, I can reproduce this issue locally by ...
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1answer
25 views

Application GUI on a heavy load tomcat doesn't respond

We have a backend webapp installed on tomcat 8 that has a GUI part written in Apache wicket MVC (version 1.4) - the wicket GUI fails to respond the moment the server starts doing heavy processing. ...
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21 views

Issues with a fresh dev OneOps instance

I followed the instructions here: https://github.com/oneops/setup.git and was able to bring up an OneOps instance. I am able to create a user and log-in, however I am not able to create organizations. ...
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69 views

How to actually disable SSL3 on a ubuntu 14.04 LTS

I am running a server which has tomcat7 and apache2 on it. I issue the following command via another remote host: openssl s_client -connect my_site:443 -ssl3 This returns: CONNECTED(00000003) ...
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29 views

Tomcat IP whitelist on conf/web.xml

I have a tomcat 7 installation on a EC2 server on Amazon. I have also a webapp deployed as a root in the webapp folder. I need to be able to block all the requests from any IP addresses for the path ...
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37 views

Can't increase Java heap in Debian

I'm setting up an environment to run some web apps developed in Grails, and deployed in Tomcat. I made the default configuration and the first web app deployed just fine, but after logging in, the ...
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38 views

Apache/Tomcat Webserver using AJP Proxy - How to rewrite/redirect URL

I have a web server running Jaspersoft Server on Tomcat, using Apache with AJP Proxy for SSL. Right now, when we navigate to the serverhostname, it redirects us to https://serverhostname. Instead I ...
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1answer
14 views

What can be turned into a docker image?

Assume I have the the following VM: -Centos -JRE 1.8 -Tomcat -Jar dependencies -My WAR file + all the server configuration files Now can I turn this whole thing into one Docker image, excluding the ...
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2answers
32 views

Remote parallel deployment in Tomcat

We're deploying an app to several Jelastic Tomcat environments using Maven on a TeamCity build server. This works well and has done so for quite some time. Now, we want to move closer to ...
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15 views

tomcat 8 silent install on windows as service

I'd like to create installer for my application. I need to install tomcat 8 as service on windows host. Is there any possibility to install it in silent mode and provide parameters to configure ports, ...
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1answer
20 views

How to create a *.crt file out of keystore? (SSL / Tomcat)

to use https (ssl) with tomcat i build a keystore with this commands: $JAVA_HOME/bin/keytool -genkey -alias [youralias] -keyalg RSA -keystore [/preferred/keystore/path] $JAVA_HOME/bin/keytool ...
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29 views

Tomcat7.exe vs Tomcat7w.exe and Windows NAS drive

I am still fighting with how to make Tomcat installed as a Windows service (Windows server 2012 or experimenting with Windows 8) see mounted NAS drive. I tried various approaches from ...
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1answer
19 views

importing self signed certificates mysql/mariadb and tomcat how to?

trying to use certs for securing connections between Tomcat 8.x and mysql/mariadb. I'm going to use a self-signed cert. What follows is what i think i should be going and appreciate you to jump in and ...
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31 views

Why my websockets application deployed on tomcat is not getting the shibboleth headers?

My stack looks like this: Apache httpd server 2.4.12: with mod_shibd, mod_proxy_http & mod_proxy_wstunnel Shibboleth 2.5 Apache Tomcat 7.0.54 Our scenario looks like this: --------- ...
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1answer
47 views

Memory problems with Tomcat on Solaris 10

I have a server running Solaris 10. It reports 70+ GiB free RAM. I am attempting to start Tomcat 7.0.68 using Java 1.7.0_80 in 64-bit mode. The server is claiming that it is not able to allocate ...
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9 views

Authentication failed for user: null

I have an API "Vignette Collab" that is running on an Apache stack with Java, I inherited a legacy codebase and need to find where this error is coming from apparently the last developer built a ...
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2answers
98 views

JIRA becomes inaccessible after adding “address=127.0.0.1” in Tomcat connector

I have JIRA and Nginx running on the same server with Nginx installed to serve as a reverse proxy. From what I learnt from various sources, in the server.xml file, I must add an address="127.0.0.1" ...
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1answer
23 views

Linux: Mismatch between the threads the tomcat application created and the run queue length

Linux: 16gb ram, 2cpus On Linux machine running tomcat with around 800 threads which I got using jvisualVM, but in run queue length I am getting only 50 because CPU is 100%, and no blocked threads ...
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1answer
65 views

Connect to a Tomcat Server from nginx as reverse proxy

I have a Tomcat server serving a web application and I have a Nginx server running in front of it as a reverse proxy. As an answer to my earlier question (Tomcat server behind nginx reverse proxy - ...
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1answer
61 views

Tomcat server behind nginx reverse proxy - how to block direct access to the server?

This may be a noob question but I'm still learning about web servers and reverse proxy setups. I have two servers running on the same network - one Tomcat and another one Nginx which I intend to use a ...
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11 views

forward request from one tomcat to other tomcat

I know that what I'm asking can be processed with some webserver(apache/nginx), but in my scenario I can't install it. I've got one tomcat instance running on port 8080 and second on 9080. Only port ...
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8 views

Unable to redirect 3 different domains to different apps deployed on Tomcat, from Apache

I have "Apache HTTP" and "Apache Tomcat" both installed on the same server. Apache is running on port 80 and Tomcat is running on port 8080. The 3 website come on Tomcat at the below URLs. ...
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2answers
65 views

Tomcat webapp failing to start when Tomcat started as a service

I have a webapp that is failing to start in Tomcat on a Linux install. The app works on a different Tomcat installs on different machines and on the same machine when using a standalone Tomcat. The ...
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0answers
98 views

Apache, Tomcat : How to use multiple SSL certificates on a single server

I am working on our Debian X64 server which is the endpoint for 5 domain-names. One of the domain-names is utilized by a web-project running on Apache web server. The remaining 4 domains have ...
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0answers
12 views

Error with security constraint in Tomcat

I have a problem setting up a login with password in a web application, but returns me a 404 error when I try to access the website. My first step was add a new role and user in tomcat-users.xml: ...
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1answer
28 views

Oracle 8.x what combination of JDBC driver, Hibernate and Spring? [closed]

I'm working to a small project which must run on Tomcat6. It's a small web application, that will use an old DB server which run HP-UX and Oracle8. Now, after several combining config, I'm stuck at ...
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15 views

Can I run Tomcat with mod_proxy_ajp and rolling upgrade automatically?

I have 4 Tomcat servers and 1 Apache HTTPD server and run mod_proxy_ajp: <Proxy balancer://cluster> BalancerMember ajp://10.27.1.21:8009 BalancerMember ajp://10.27.1.21:9009 ...
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19 views

apache 2.4 ajp and virtual host not working

I have Centos 7 , Httpd Apache 2.4 and Tomcat 8 my goal is to connect to my site1.com which is on tomcat throw 80 port. Now if I go to site1.com I am redirected to site2.com which is on httpd apache ...
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17 views

404s on Some Pages After Re-Deploying War to Tomcat

I have a an app which I deploy to Tomcat 8 running on Redhat in dev, QA and production environments. Occasionally when deploying to dev or QA, but nearly every time when deploying to production ...
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26 views

Tomcat webapp protected by Apache basic auth wont accept valid username password

I have Apache 2.4 set up as a reverse proxy in front of my Tomcat 7 app. There is also another static HTML portion called moderation. The tomcat app is set up to provide a form based login. I want ...
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30 views

Apache2 proxy reverse broken Tomcat8 links

In my DigitalOcean vps, I have Apache2 (LAMP), phpmyadmin and Tomcat 8. Everything is running well. Now I'm trying to implement the reverse proxy so I can access the tomcat8 not by https: ...
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0answers
12 views

Cannot expose Java Instrumentation for tomcat jvm

I am using a tomcat7 instance to run a Java application. My application needs the Java instrumentation exposed. This is done with a javaagent and I pass the agent at startup to the JVM in the ...
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1answer
26 views

Multiple Tomcat Processes, due to NIO?

Because we are using WebSocket, we asked our Sysadmin to re-configure our Tomcat (tomcat7) instances to run with NIO (as per Apache's recommendation). Shortly thereafter, Sysadmin reported that ...
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25 views

How do I log the IP address a request was received on in Tomcat?

A bit of background I have a server with 3 IP addresses and 3 <Host> elements defined in the server.xml. I'm using IP-based virtual hosts. I have enabled the Access Log Valve on each Host, ...
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18 views

socket_keepalive configuration for mod_jk

I have Apache httpd with mod_jk. I have issue with killed connections after long idling period: Apache stops to respond and each HTTP request hangs for 15 minutes. I tried turn off mod_jk connection ...
2
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1answer
38 views

How to reduce “Connecting” time incurred for a request

I am trying to optimize speed of website and during this process I have found that. A connecting time of around 620ms is incurred everytime I request a page. Please see screenshot below for detailed ...
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1answer
112 views

Nginx Reverse Proxy To Tomcat

I have setup an Ubuntu 15.10 x64 server on DigitalOcean to test several Java applications. I installed Nginx 1.9.3 and Tomcat8 and am using Nginx as a reverse proxy to forward all requests to Tomcat ...
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1answer
22 views

Tomcat SSL not available outside

I do have a Tomcat8 server running, currently in the development environment. It's been working for a while on the port we have picked (8085) and was available outside of our network (unblocked on the ...