Questions tagged [tomcat9]
The tomcat9 tag has no usage guidance.
55 questions
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Configuring Apache Tomcat for HTTPS
I have an App that uses HTTP rather than HTTPS. For Security purposes, I need to switch to using HTTPS. I'm using apache_tomcat9.0.87.linux.rrg.
We have a CA. I have generated a Certificate from ...
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373
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Apache 2.4 Cipher Suite Mismatch from config
We are running Apache 2.4 as reverse proxy to a Tomcat 9.0.88 web application.
We started having an issues after a fresh install where Apache was rejecting incoming ssl handshakes from other Web apps. ...
- 101
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285
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getting 403 forbidden error using httpd (apache) connecting to tomcat via AJP
i am staring to be little bit hopeless since i tried many solutions and nothing worked.
I am getting 403 Forbidden error when i try to reach my apache Tomcat server via httpd server (used as ...
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234
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How to disable ETag headers in Tomcat 9?
How to disable ETag headers in Tomcat 9 ? It will be helpful if provided with details/examples etc.
Need to remove etags as this is reported as vulnerability in security scan . Tried different ...
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1
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1k
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Yum dependencies and metadata for java-headless
I'm trying to install Java 8 and Tomcat 9 on a RockyLinux 9 server.
Installing tomcat (from EPEL) requires java-headless >= 1:1.8.0 which is resolved to java-11-openjdk-headless. So Java 11 gets ...
- 163
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402
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Configure unique domains for several tomcat webapps
I follow the instructions from here and this to my server.xml file for each domain/webapp:
<Host name="domain1.com" autoDeploy="true" appBase="webapps_domain1" ...
- 93
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1k
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how to configure a different catalina.out log for each deployed WAR built with Grails on tomcat
Environment:
OS: Ubuntu 20.04 LTS
JDK: OpenJDK 11.0.12
Tomcat: 9.0.68
test war: gtest.war, built with Grails 5.2.4
There are two WAR files built with Grails in my tomcat9.
I want to configure ...
- 101
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1
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799
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Connect to remote LDAP server via Guacamole
Ubuntu 20.04
Guacamole 1.3.0
guacamole-auth-ldap-1.3.0
/etc/guacamole/guacamole.properties:
Ldap-hostname: x.x.x.x
Ldap-port: 389
ldap-user-base-dn: CN=serv,OU=Invis,DC=invis,DC=com
...
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1
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1k
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Fortify Software Security Center 21.2.0 Unable process the Fortify_Process_Seed_Bundle-2021_Q4_0001.zip during initial setup
I am trying to set up Fortify SSC 21.2.0 for a demo, and I am
having a bit of trouble getting the database seeded.
The following describes my set-up specifications and
my progress so far. Apparently ...
- 121
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1k
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How to disable HTTP 1.0 protocol in Tomcat?
I've seen multiple resources explaining how to disable HTTP 1.0 on Apache, Nginx, IIS etc, but none for Tomcat. Could anyone advice how I can disable HTTP 1.0 protocol in Tomcat 9?
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3k
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Nginx is failing to load css, js and png of tomcat server
I'm trying to deploy the tomcat & Nginx server on a single AWS EC2 instance. I have 3 instances & on each instance, I wanted to deploy Nginx & Tomcat server. Below is my configuration file
...
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2
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2k
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Apache Web Server port 433 and Tomcat port 8080, redirect not working
My Apache webserver runs on port 433 with https protocol. I wish to run Tomcat on port 8080 because there is no need for additional encryption, Tomcat is on the same machine, so I don't need port 8433....
- 133
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2
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5k
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Tomcat HTTP to HTTPS redirect does not change port
I have problems getting HTTP to HTTPS redirect to work in my Tomcat.
in Server.xml I have the connectors
<Connector port="8080" protocol="HTTP/1.1" redirectPort="8443&...
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2
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13k
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403 Access denied for tomcat manager page
I've installed Tomcat on Centos7, on Google Cloud. Tomcat works but I can't access the Tomcat manager page.
My /opt/tomcat/conf/tomcat-users.xml
<?xml version="1.0" encoding="UTF-...
- 133
1
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1
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882
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tomcat9 shibboleth+mod_jk authentication forbidden
I have a Spring Boot application running currently under Tomcat 8.5 that has a shibboleth-based SSO integrated. Shibboleth and tomcat are connected using apache2 mod_shib and mod_jk, using default ...
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375
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Tomcat Deployment Slow on Unix Server
We recently moved to Tomcat from WebSphere for our application.
We are using:
JDK 1.8 Build 191 and
Tomcat 9.0.50.
Most of the application is a mix Servlet/JSP and a few webapps with Spring MVC, it ...
- 177
2
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1
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3k
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Tomcat 9 on port 443 working with only root which can be hamful [duplicate]
After so many reading of serverfault.com articles I have successfully configured my tomcat 9 on port 443.
But problem is 443 is an privileged port in which i added root user in below tomcat.service ...
- 21
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635
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Tomcat 9 deployed using docker randomly reached 200% CPU without any webapps
Hi have a Tomcat 9 running in a AWS machine using the following docker compose file:
version: '3'
services:
fstomcat:
image: tomcat:9
container_name: fstomcat
ports:
- 443:443
...
- 119
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1
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3k
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Why is Apache not proxying to Tomcat?
Apache 2.4 and Tomcat 9 are installed on the same Ubuntu 20.04 server. I'm trying to set up Apache as a reverse proxy to Tomcat. This configuration is already working perfectly on an Apache 2.4/...
- 202
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71
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Tomcat sends response 400 out of nowhere
I'm running a server on Ubuntu 18.04 with Tomcat and I saw the following in the access log.
<my.ip> - - [13/Sep/2020:19:33:40 +0000] "POST /path/path HTTP/1.1" 200 53
<my.ip> - - ...
- 141
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3k
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Sending mail from java servlet fails authentication
Centos7, tomcat 9, Exim 4.94
Moved all my tomcat apps from centos6 to centos7 server. Tomcat version is 9 and was the same on both servers.
I send email from one of the java apps.
public void ...
- 21
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2
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4k
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Tomcat 9.0.36 https configuration to port 8443 not responding
I have a Tomcat 9.0.36 running on a Ubuntu 18.04.4 LTS (virtual)machine. I am trying to configure it to use a certificate that I got from a CA. I generated successfully the keystore file using keytool,...
- 103
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1
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109
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VPS's memory consumption [duplicate]
I have a VPS with ubuntu 18.04.4 with 2gb and 512mb swap. Working regularly with 600-800mb and 100mb swap and all is well.
2 weeks ago I updated the WAR (tomcat) and the memory jumped to 1.2gb and 400-...
- 141
2
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1
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3k
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Tomcat servlet will not complete websocket connection
I am moving a set working servlets from one server to another
Old server, Centos6, Apache 2.2, Tomcat 9
New Server, Centos7, Apache 2.4, Tomcat 9
I have about 5 servlets running from the old server ...
- 21
0
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2
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106
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Ubuntu swap and RAM
I have an Ubuntu 18.04 which mostly runs tomcat. The memory consumption is between 800mb-1gb and I have 2gb total. The swap is 512mb and the used swap is 480mb.
I set clamav to run at 3am and it ...
- 287
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214
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Apache redirection not working the way it is expected
I have a website say example.com and want to redirect everything from http to https. Also I have additional requirement of redirecting http://example.com (and https://example.com) to https://example....
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2
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12k
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Tomcat not Shutting Down Completely (Tomcat 9.0.31)
We are in the process of migrating our application from Websphere to Tomcat. One thing I have noticed is that when I issue the shutdown.sh for Tomcat, the process still keeps running. Initially I ...
- 177
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4k
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Tomcat 9 Service on Centos 7 won't start up at system boot
I'm not very experienced with Linux generally, so please forgive me if this is obvious to you.
I have done a large number of searches on various combinations of keywords, but can't find a solution to ...
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1
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3k
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Tomcat 9.0.35 with JDK 11 behind a IIS 8.5 ISAPI redirector
I am trying to install Tomcat 9.0.35 using JDK 11 on Windows 2012 R2 VM. This will an upgrade from Tomcat 9.0.11 and JDK 10. I am having issues with ISAPI Redirect. I see the following errors in ISAPI ...
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499
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HTTPD port 80 not working after install apache tomcat
I am using AWS EC2 and Centos.
Before I installed apache tomacat 9, I still able to access my website in port 80, or at least I can access my ip address in browser with welcome page. But after ...
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3
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12k
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mod_jk unable to connect with tomcat9
After unzip the tomcat9 package available on tomcat.apache.org, and have the mod_jk configured to this:
workers.tomcat_home=/opt/apache-tomcat-9.0.34
workers.java_home=/opt/jdk-13
ps=/
worker.list=...
- 93
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2
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643
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Tomcat9 keep running under user tomcat9 even after change in /etc/default/tomcat9 file
I want run tomcat9 with a user different from the default, and searching the web, I found out that I can configure this in the file /etc/default/tomcat. In this file, I change the lines with TOMCAT9-...
- 93
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1
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3k
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Clustering/Session Replication tomcat 9 two different machine
I'm trying to configure Session Replication on two tomcats on separate EC2 (AWS) instances. I can't find any example on internet of such configuration. I've prepared configuration in accordance with ...
- 195
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1
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10k
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Apache Tomcat/9.0.34 Login on Manager App and Host Manager not working
installed Tomcat on a Ubuntu Machine, worked all properly. Port are open, i can see the Landing Page from Tomcat. When i try to login, the Credentials i put in into the tomcat-users.xml do not work. ...
- 13
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2
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471
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Use tomcat webapp as the root path for apache/mod-jk virtualhost
I have configured a server where lies several domains, and more than one of them have a ajp13-worker associated to it. The configuration file looks like that:
<VirtualHost *:80>
...
- 93
0
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1
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469
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Why does Tomcat 9 have established connections on localhost
I'm trying to understand why Apache Tomcat 9 has certain established connections that are via localhost. I'm using the Apache Tomcat 9 on windows. See below, I'm looking at the TCP/IP section in ...
- 943
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1
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578
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ubuntu 18.04: clamav running, tomcat dying
Ubuntu 18.04. 2Gb RAM + 512mb swap.
When running clamav, it consumes 800+mb of memory because it loads all the signatures into the memory. Because of that, I set it to run every day at 3am instead of ...
- 287
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1
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2k
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ubuntu18.04 tomcat9 doesnt start application when started via systemd
first of all: I am no Tomcat expert, so please bear with me.
Currently I'm facing an issue when I reboot the aforementioned server. The tomcat application is not available (404 not found) when ...
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1
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431
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Tomcat with IIS behind Cloudflare reverse proxy unable to connect
I'm running Tomcat 9 with IIS 10 using AJP13 by following this guide.
Everything works as long as it's not proxied through Cloudflare.
However, once I proxy it, I'm getting the following error in the ...
- 203
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472
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Installing tomcat 9 on oracle linux having tomcat 7
I have a task to deploy a war file of a Springboot 2.2.4 therefore the oracle linux server i am using already contains tomcat 7, and springboot 2.2.4 is not compatible with tomcat7 I am getting an ...
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1
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4k
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Deleting Pre-Packaged Tomcat WebApps
I currently work on an excruciatingly slow remote machine and on Tomcat. So, I was wondering, Tomcat comes with some pre-packaged webapps like:
docs
examples
host-manager
manager
ROOT
Now I just ...
- 177
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1
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215
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Munin graph is incomplete with Tomcat Threads plugin
I have munin running rather fine on a CentOs webserver machine, except for one graph from the "Tomcat Threads" plugin that is incomplete.
Why is it doing this? My server is far from overloaded.
See ...
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1
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19k
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Tomcat suddenly shuts down on its own
I'm running tomcat 9.0.26 on Ubuntu 18.04. Suddenly I noticed that tomcat is down. Never happened before without me shutting it down. I looked at the trace and saw the following (this seems to start ...
- 287
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2
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31k
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Tomcat 9 - catalina.out log file missing and console printouts are not shown anywhere
Tomcat9 deployed on Ubuntu 18.04. This issue ONLY applies to Tomcat version 9. There is a catalina.date.log file present in the logs folder but it does NOT show any console printouts from our web ...
- 93
5
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2
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12k
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Application logging broken under Tomcat 9: permission denied to /var/log/myapp
I have a Java webapp that runs under Apache Tomcat on Ubuntu Linux. When I upgraded from Tomcat 9 from Tomcat 8, the application was no longer able to write log files to /var/log/myapp. I can't ...
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2
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2k
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Logs when shutting down tomcat, what should I do with it?
Iget the following when I shutdown tomcat 9.0.24. Should I do something about it or should I do nothing because tomcat is shutting down anyway?
13-Sep-2019 07:59:06.145 INFO [main]
org.apache....
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3
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2k
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Tomcat9 log that I have no idea what to do with
I saw the following in tomcat logs
09-Sep-2019 21:04:04.268 SEVERE [https-jsse-nio2-8443-exec-13]
org.apache.coyote.AbstractProtocol$ConnectionHandler.process Error
reading request, ignored ...
- 287
1
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1
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2k
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Changing from Localhost to Computer Name Throws 403 Error (Tomcat 9)
I am trying to run Tomcat 9. I have configured it to run with SSL. So when I am accessing the tomcat URL with:
https://localhost:8443/manager/html
It works fine. But when I try to run it with my ...
- 177
3
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1
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23k
views
java.nio.file.FileSystemException: Read-only file system
I have a tomcat webapp that generates a thumbnail from an image and wants to save it to a writable location (chmod 777). But for some reason I always get java.nio.file.FileSystemException errors and ...
- 1,493
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1
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9k
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tomcat 9 configuration for port 443
I am working with Tomcat 9.0.16 on Debian 9.6. Running my app on port 8080 works no problem. So I am confident that my app is not the problem.
I am trying to configure Tomcat to use port 443. I have ...
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