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Ubuntu 14.04, Oracle JDK 8 and Tomcat 8 based docker container.

License: MIT License

Dockerfile 100.00%

docker-tomcat8's Introduction

docker-tomcat

Ubuntu 18.04, OpenJDK 11 and Tomcat 8.5 tag available.

Includes:

Ubuntu 18.04 Bionic
OpenJDK 11
Tomcat 8.5.50
git, wget, curl, build-essential

Old tags based on Oracle JDK 8 will no longer be updated due to Oracle changing licensing.

IMPORTANT: In a future update, the latest tag will be changed and will yield bionic-8.5-openjdk11. So if you depend on latest, please change that and use an specific tag instead.

Description

You should run this container in the background and mount the volume with your web app inside.

The latest tag is based on Ubuntu 14.04. Should you prefer Ubuntu 16.04, please use the xenial tag. For Ubuntu 18.04 and OpenJDK11, use the bionic-8.5-openjdk11.

There's also a tomcat8.5 tag, which includes:

Ubuntu 16.04 Xenial based only
Oracle JDK 1.8u201
Tomcat 8.5.39
Git, wget, curl, build-essential

Volumes

Exports a volume on /opt/tomcat/webapps. You can mount the volume on run to a local directory containing your war file or exploded war directory. If you need the management app, remember to have a copy on your hosts volume mount point.

Ports

Two ports are exposed:

8080: default Tomcat port.
8009: default Tomcat debug port.

Remember to map the ports to the docker host on run.

How to run the container

Using docker

You need docker v1.3+ installed. To get the container up and running, run:

sudo docker run -d -p 8080:8080 -p 8009:8009 -v /opt/tomcat/webapps:/opt/tomcat/webapps dordoka/tomcat

Remember to change /opt/tomcat/webapps to the directory where your app is stored.

If you prefer the Ubuntu 16.04 based image instead of the default 14.04 one, just use the xenial tag:

sudo docker run -d -p 8080:8080 -p 8009:8009 -v /opt/tomcat/webapps:/opt/tomcat/webapps dordoka/tomcat:xenial

For Ubuntu 18.04 and OpenJDK11, use the bionic-8.5-openjdk11

Using docker compose

If you have docker-compose installed, you can just launch:

sudo docker-compose up

A warning regarding admin user for tomcat management console

Please note that the image contains a tomcat-users.xml file, including an admin user (password admin). For the time being, should you wish to change that, fork this repo and modify the xml file accordingly.

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docker-tomcat8's Issues

java.lang.NoClassDefFoundError: org/apache/tomcat/util/log/SystemLogHandler

I got a error after i run the docker image on Mac high sierra

java.lang.NoClassDefFoundError: org/apache/tomcat/util/log/SystemLogHandler at java.lang.Class.getDeclaredConstructors0(Native Method) at java.lang.Class.privateGetDeclaredConstructors(Class.java:2671) at java.lang.Class.getConstructor0(Class.java:3075) at java.lang.Class.getConstructor(Class.java:1825) at org.apache.catalina.startup.Bootstrap.init(Bootstrap.java:266) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:453) Caused by: java.lang.ClassNotFoundException: org.apache.tomcat.util.log.SystemLogHandler at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 6 more

Earlier versions worked without any problem. But Now i am getting a above error.

How do you launch your web app stored in the volume ?

I taped firefox localhost:8080/opt/tomcat/webapps in the terminal but the page is blank

Potential security issue

Hi Carlos Moro @dordoka

Thanks very much for your tomcat8 docker image, this has been working very well for me.

I just wanted to point out what can be a potential security issue: some people might be using your image without realising that there's a admin/admin tomcat user. An attacker can login into tomcat console and deploy a malicious WAR file.

I suggest removing this tomcat-users.xml completely, and let image users to extend your image adding their own users/passwords. I can raise a PR for that if you want me to.

Hope this helps.

Best,
Miguel

Tomcat support Http11AprProtocol

When modifying server.xml to use protocol="org.apache.coyote.http11.Http11AprProtocol", it reports that
03-Sep-2020 02:09:23.265 SEVERE [main] org.apache.catalina.core.StandardService.initInternal Failed to initialize connector [Connector[HTTP/1.1-443]] org.apache.catalina.LifecycleException: Failed to initialize component [Connector[HTTP/1.1-443]] at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:107) at org.apache.catalina.core.StandardService.initInternal(StandardService.java:568) at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102) at org.apache.catalina.core.StandardServer.initInternal(StandardServer.java:871) at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102) at org.apache.catalina.startup.Catalina.load(Catalina.java:592) at org.apache.catalina.startup.Catalina.load(Catalina.java:615) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:308) at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:482) Caused by: org.apache.catalina.LifecycleException: The configured protocol [org.apache.coyote.http11.Http11AprProtocol] requires the APR/native library which is not available at org.apache.catalina.connector.Connector.initInternal(Connector.java:954) at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:102) ... 12 more

So tomcat needs apr-xxx.tar.gz and apr-util-xxx.tar.gz and tomcat-native.tar.gz to support APR. Will you help add it into the docker image?

tomcat outdated version 8.0.37

The version needs updating. Currently, the available versions at that location are :

[DIR] Parent Directory -
[DIR] v8.0.39/ 14-Nov-2016 10:05 -
[DIR] v8.5.8/ 08-Nov-2016 11:45 -
[DIR] v8.5.9/ 08-Dec-2016 21:50 -

Tomcat not available

Installed it through kitematic in windows 7. It exposed 8080 port to 32769 and 8009 to 32768. In the browser I used the address http://192.168.99.100:32769, but I am getting the message "This site can't be reached"