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.

learn more… | top users | synonyms

0
votes
1answer
64 views

Tomcat, Apache, MySQL tuning

I am currently using AWS infrastructure to host my mobile web application. I use Apache Web Server, mod_jk to pass on requests to Tomcat which further communicates with MySQL DB using connection pool. ...
9
votes
3answers
32k views

How do I disable tomcat caching? I'm having weird static file problems

How do I prevent tomcat from caching? I have css and basic html files that I load and use via ajax, and unless I restart tomcat, the changes do not seem to reflect. Different machines, different ...
0
votes
1answer
18 views

Why tomcat on linux needs to build APR and not download

I am trying to install APR on Ubuntu Linux. I found that tomcat provides a downloadable APR package for windows but i cannot find a downloadable version for Linux. The tomcat site gives instructions ...
2
votes
3answers
269 views

tomcat8 from wheezy-backports fails with configtest.sh

I have installed tomcat8 package from wheezy-backports. I use the default / unmodified installation with the following expections: I use Oracle Java 8 JDK in /etc/default/tomcat8 is added: ...
0
votes
1answer
403 views

Tomcat 8 hangs on startup while deploying webapp. Possibly related to entropy generation

I'm trying to get a tomcat webapp started and while just testing out the server (vanilla tomcat8 download) it seems to be hanging on startup. My guess is that it is hung up on something dealing with ...
0
votes
1answer
21 views

Tomcat service dies on startup

I have added the following arguments to the JVM options for a Tomcat Windows service: -Dcom.sun.management.jmxremote.port=3333 -Dcom.sun.management.jmxremote.ssl=false ...
-1
votes
2answers
337 views

Start Tomcat through cronjob

To make sure that Tomcat is running all the time, I wrote the following shell script #!/bin/bash status="$(curl -s http://www.domain.com/check)" if [ "$status" != "OK" ] then ...
0
votes
1answer
44 views

Prevent Tomcat from shutting down

I'm using CentOS 7 and Tomcat 8 to serve an online shop. After logging into the server via SSH, I usually run ./startup.sh and everything works smoothly, except for one thing: From time to time ...
0
votes
1answer
68 views

How to find evidence of outbound network traffic in linux

I have setup a standard web application server in AWS using a bitnami Apache-Tomcat AMI. The instance is running in a public subnet with all Outbound traffic open but only allowing traffic inbound ...
0
votes
0answers
39 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 ...
0
votes
2answers
939 views

Tomcat 6 crashes under CentOS 5

We have CentOS 5, OpenJDK 1.6 and Tomcat 6. Every week or two our server fatally crashes with the following output in catalina.out: Exception while removing reference: java.lang.NullPointerException ...
0
votes
1answer
163 views

Apache Tomcat 7.0.57 Cluster & mod_proxy / mod_proxy_ajp

I have set up an Apache Tomcat Cluster with an Apache HTTP server and load balancing on CentOS 6.6 the following way: + 1 VM running HTTP server & 1 Tomcat instance (used for deployment, not ...
0
votes
1answer
692 views

Apache mod_proxy_balancer + Tomcat load balancing - Should not redirect until web applications are ready

I am using apache2 mod_proxy and mod_proxy_balancer to balance the load to 4 seperate tomcat8 instances on different servers. I am using different AJP ports for each tomcat instance and using jvmRoute ...
1
vote
1answer
126 views

PostgreSQL 9.2 causes CPU utilization to go to 100%

We have a Java EE application (a online digital library portal) with Hibernate 4.3 which connects to a PostGres 9.2 database. Upon load testing with a load of 175 concurrent users logging in and ...
1
vote
1answer
108 views

Nginx and Tomcat Reverse Proxy not Working

I had trouble configuring Nginx and Tomcat Server on Cent OS. Here's the nginx.conf: server { listen 80; server_name subdomain.test.com; root ...
0
votes
1answer
298 views

How can I access my tomcat server running on my network remotely

I have a tomcat server running on my pc which I can access locally via: http://localhost:9090 (I changed the ports in the server.xml file). Now, I am having trouble accessing the tomcat server ...
-1
votes
1answer
44 views

Cache Memory Growing very fast Cent Os -Tomcat

i am running Java application on Tomcat-6 on CentOs . JAVA_OPTS Like this : JAVA_OPTS="$JAVA_OPTS -Dorg.apache.catalina.security.SecurityListener.UMASK=`umask` -server -Xms256m -Xmx2536m ...
1
vote
1answer
119 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 ...
1
vote
1answer
4k views

Apache Tomcat setting Max file upload size

I am implementing a Grails/Groovy web app, I want to limit the user's file upload size, I don't want someone uploads a 10GB file to my server. What I figured out was that most approaches to calculate ...
0
votes
0answers
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 ...
0
votes
0answers
72 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 ...
0
votes
1answer
64 views

Virtual Hosts, apache, mod-jk and tomcat [closed]

I have a tomcat(running on 8080) application on my cent os server and i can access it with the url: SERVER_IP:8080/myapp and I have my admin panel on SERVER_IP:8080/myapp/admin and I have an ...
0
votes
1answer
1k views

Load balancing using Httpd mod_cluster and tomcat not working

I am trying to setup a load balancer using Httpd, mod_cluster and Tomcat. My Httpd is running on the same server with IP 192.168.9.73 where the tomcat is running. Here is my Httpd configuration- ...
2
votes
1answer
1k views

Which JMX statistics to watch out for in Catalina/Tomcat?

I have configured OpenNMS to collect all kinds of numeric data coming out of tomcat7 jmx. There are a lot of things. I am interested in monitoring this tomcat instance so that I can avoid down time ...
1
vote
0answers
39 views

Enabling mod_spdy with mod_proxy_ajp to Tomcat

I am using mod_proxy_ajp to Tomcat. If I enable mod_spdy... Will this mean that connections over the proxy will be SPDY enabled?
5
votes
1answer
4k views

Apache Solr Admin on Tomcat Deployed in WebApps Directory

I am trying to get Apache Solr to work on Redhat6 and Tomcat6 (using these instructions), but get this error when browsing to the admin section, http://localhost:8080/solr-example/admin: HTTP ...
0
votes
0answers
39 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 ...
0
votes
1answer
139 views

Deployment with tomcat7 manager, change directory for uploaded war

I am fighting with .war deployments using tomcat manager, it is starting webapp twice because I have defined hosts under server.xml. So it deployes one app for example.com and other one for /example. ...
0
votes
1answer
107 views

Tomcat threads are increasing but never decreasing

We are using new relic to monitor tomcat threads. The graph shows increase of thread count,but it never decreased even the application is idle. We noticed that when it increase CPU also increased and ...
4
votes
5answers
29k views

How can I configure TomCat Java options in a config file?

I'm trying to configure Java options passed into TomCat for a 3rd party application that I'm deploying. The instructions that the app provides are: Open the Tomcat configuration tool from the ...
7
votes
1answer
3k views

Restart a single tomcat 7 webapp at a specific time?

Tomcat 7 is running on a Windows System. I need to restart one of the deplyoed web applications each day at a specific time. Is there an option to do that via script or (even better) does tomcat ...
0
votes
1answer
322 views

Stale Network connections to Tomcat AJP port

I have Tomcat Application server connected with Apache server using mod_jk connector. Both are running on different servers. Apache ----->------ Firewall ----->------ Tomcat For the last couple of ...
0
votes
2answers
974 views

forward port 80 to 8080 failed

I am trying to forward a port from 80 to 8080 (default to tomcat). below is what I added to the httpd file. <VirtualHost www.example.com:80> ProxyPreserveHost On ProxyRequests Off ...
0
votes
0answers
52 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 ...
4
votes
2answers
2k views

difference between _default_:* and *:* in VirtualHost Context

I want to know the difference between "default:*" and "*:*" in VirtualHost Context. <VirtualHost _default_:*> #... ServerName host.example.com #... </VirtualHost> ...
-1
votes
1answer
104 views

Tomcat is unresponsive intermittently

Tomcat is unresponsive and throwing 504 intermittently. But there is not much CPU usage. We suspected it could happen we receive many number of requests and made tomcat unresponsive. We gave 400 as ...
1
vote
2answers
258 views

Sometimes Tomcat doesn't re-deploy on startup

The infamous rm -rf command is something we would rather avoid in Production, even if it's scripted. So if you have a war file named mywebapp.war and a directory its deployed to under webapps/ that is ...
1
vote
2answers
637 views

Tomcat-workers: Session management without stickiness

I am learning Tomcat session control and I have 2 workers with sticky_session=1. But I want to remove stickiness to a particular worker yet maintain the session for users. I found the following ...
1
vote
0answers
131 views

Disable SSL3 on tomcat4

I have a very old web application that uses tomcat4. B/c of the poodle vulnerability I need to disable SSL3 and disable a bunch of weak ciphers. My connector looks like this, but apparently ...
0
votes
0answers
80 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 ...
0
votes
0answers
118 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 ...
0
votes
2answers
178 views

Restrict access to apache tomcat in local network [closed]

I am setting up an apache tomcat webserver for my local network and I want to block any external access from outside of the local network (the internet) for security reasons. Can I configure tomcat ...
1
vote
2answers
83 views

Automatically stop Tomcat if Root context initialization fails

I can't seem to figure out if it's possible to setup Tomcat to stop when the ROOT context initialization fails. Since my Tomcat instance only hosts one application as the ROOT context, it makes no ...
0
votes
1answer
342 views

Tomcat 8 org.apache.catalina.webresources.Cache.getResource

I have just upgraded from 7.0.52 to 8.0.14. I am getting this for lots of static image files: org.apache.catalina.webresources.Cache.getResource Unable to add the resource at ...
1
vote
1answer
943 views

Connection from Apache to Tomcat via mod_jk not working

I would like to connect apache to tomcat via mod_jk (same machine). The ajp connector in tomcat is listening on port 8009, the worker settings are: worker.worker1.port=8009 ...
1
vote
5answers
8k views

How to fix Solr - Server is shutting down issue?

I was having a running Solr 4.1 on Windows Server 2008 R2. The Solr is deployed on Tomcat. However, today it stops suddenly, and while accessing Solr it gives following error. HTTP Status 503 - ...
0
votes
1answer
23 views

Hiding .DS_Store in ColdFusion Built-in Server

By default, the ColdFusion built in Server shows .DS_Store files on MacOS. Is there a setting to hide these?
1
vote
1answer
92 views

Apache2 / tomcat / MySQL / PageSpeed Server hanging once a day

My server started to hang at least once a day. It remains so until I restart Tomcat. I'm not sure yet which part causes the problem, so I'm trying to work on several hypotheses: My website is served ...
0
votes
1answer
48 views

Where do I find the SSL configuration for a tomcat 6 web server?

I've inherited a small secure web application that runs on a single Tomcat 6 web server on a machine running Amazon Linux. I need to disable the SSLv3 fallback, but I just can't find where the HTTPS ...
0
votes
0answers
56 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 ...