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Ubuntu 12.04 – Install Jetty 9

This article will show you how to install Jetty 9 on Ubuntu 12.04. Perform all steps as root.

Jetty requires Java. Install Java first, I prefer openjdk instead of oracle jdk, but it should work both.

apt-get install openjdk-7-jdk

Create a symlink for easier reference from jetty

mkdir /usr/java
ln -s /usr/lib/jvm/java-7-openjdk-amd64 /usr/java/default

Go to the opt directory

cd /opt

Download the latest Jetty distribution (9.x).

wget "http://eclipse.org/downloads/download.php?file=/jetty/stable-9/dist/jetty-distribution-9.0.0.M3.tar.gz&r=1"
mv download.php\?file\=%2Fjetty%2Fstable-9%2Fdist%2Fjetty-distribution-9.0.0.M3.tar.gz\&r\=1  jetty-distribution-9.0.0.M3.tar.gz

Unpack the archive

tar -xvf jetty-distribution-9.0.0.M3.tar.gz
mv jetty-distribution-9.0.0.M3 jetty

Create jetty user and make it the owner of /opt/jetty

useradd jetty -U -s /bin/false
chown -R jetty:jetty /opt/jetty

Copy Jetty script to run as service

cp /opt/jetty/bin/jetty.sh /etc/init.d/jetty

Create the settings file /etc/default/jetty

nano /etc/default/jetty

and paste the following in it

JAVA=/usr/bin/java # Path to Java
NO_START=0 # Start on boot
JETTY_HOST=0.0.0.0 # Listen to all hosts
JETTY_ARGS=jetty.port=8085
JETTY_USER=jetty # Run as this user
JETTY_HOME=/opt/jetty

Start Jetty as service

service jetty start

It should now be running on port 8085! Visit in your browser http://example.com:8085 and you should see a Jetty screen.

Verify / check your configuration with:

service jetty check

To let Jetty automatically start on reboot execute

update-rc.d jetty defaults

Reboot the server and test if Jetty starts automatically

reboot

To check if Jetty is really running on that port or to see if it conflicts with another application running on that port run

netstat -tln

Remove the unsecure test and async-rest application:

cd /opt/jetty/webapps
rm -rf test.d/ test.war test.xml async-rest.war

Or in Jetty 9.0.3:

rm -rf /opt/jetty/webapps.demo

jetty Ubuntu

This entry was posted by Pieter Vogelaar on December 30, 2012 at 15:18, and is filed under Ubuntu. Follow any responses to this post through RSS 2.0.You can leave a response or trackback from your own site.

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#1 written by Don Duvall 11 years ago

When you say “Create settings file.” where do we create the file, and what should the file be named?

Awesome article, and please keep up the great work on server configuration and management.

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#2 written by Pieter Vogelaar 11 years ago

Hi, thanks!! Hmm… I forgot to mention the path indeed! It’s added now. Thanks for noticing.

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#3 written by dk 11 years ago

Hmmm – I’m getting:

sudo /etc/init.d/jetty start
Starting Jetty: FAILED

So I went and read (as much as I could) /etc/init.d/jetty and tried:

sudo /etc/init.d/jetty supervise
...

That works – great! But now I need to set it up so that it always works and is always on…? The most telling message is:

WARNING: System properties and/or JVM args set. Consider using --dry-run or --exec
2013-01-21 17:00:58.872:WARN::main: test-realm is deployed. DO NOT USE IN PRODUCTION!

but I can’t see anything online after a quick search that seems relevant?

I’ve checked netstat – there’s nothing else on port 8085…Any ideas what might be wrong?

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#4 written by dk 11 years ago

Oh, also: I’m on Ubuntu 12.04 and I’ve tried start -jar start.jar from /opt/jetty to see what’s wrong and I’m getting better (well, some) error messages.

It seems that the test webapps want to use 8080 but that’s taken by something else.

Gah.

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#5 written by Pieter Vogelaar 11 years ago

As described in the article, executing “update-rc.d jetty defaults” on the terminal as root will make Jetty start on boot.

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#6 written by dk 11 years ago

Pieter, yes I know that My concern is that since Jetty doesn’t work outside of the boot process, I don’t believe it will work during the boot process either.

Will test now.

Confirming that it hasn’t loaded post reboot despite adding to update scripts. Hmm…frustrating but the expected result.

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#7 written by dk 11 years ago

Ok, is ok – I’ve worked it out.

There is a problem with jetty/bin/jetty.sh that is explained in great detail here: Ubuntu and Jetty: debugging jetty.sh

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#8 written by Pieter Vogelaar 11 years ago

Hmm strange… I had zero problems on Ubuntu 12.04 and Jetty 9. Which OS and version do you have?

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#9 written by dk 11 years ago

Ubuntu 12.04.1 LTS

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#10 written by Joakim Erdfelt 11 years ago

Btw, Jetty 9.0.0.M5 is now released.

$ curl -O http://repo1.maven.org/maven2/org/eclipse/jetty/jetty-distribution/9.0.0.M5/jetty-distribution-9.0.0.M5.tar.gz

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#11 written by Andrey 11 years ago

Thanks, this is very helpful. Btw, Ubuntu wouldn’t let me bind Jetty to port 80 (I changed to 80 where you suggest to use 8085) as jetty user, because only root is allowed to bind to port 80. So eventually I ran Jetty on port 8080, and specified a connection redirect rule from port 80 to 8080 as described here: http://serverfault.com/questions/112795/how-can-i-run-a-server-on-linux-on-port-80-as-a-normal-user

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#12 written by Andrey 11 years ago

One question, if you can help. Thank you! When I deploy webapps under jetty, should the directory/files be owned by jetty user too? Under the setup you described I currently cannot copy my app into the jetty webapps folder, and I am wondering if I should do it as root? Thank you

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#13 written by Andrey 11 years ago

Sorry for spam, I figured it out

sudo chmod webapps o+w

Makes the dir writable for other users, who can deploy now.
Thanks for your great post!

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#14 written by chandra babu 11 years ago

service jetty start
when i use the above command im getting–>
jetty: unrecognized service
pls help me im new to ubuntu..

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#15 written by Richard 11 years ago

I have the same issue.

–> jetty: unrecognized service

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#16 written by piccio 11 years ago

I’m using jetty 9.0.3.v20130506
in /etc/default/jetty JETTY_PORT variable it doesn’t work to me
I’ve used
JETTY_ARGS=jetty.port=8085
instead of
JETTY_PORT=8085
(etc/init.d/jetty says that JETTY_PORT is deprecated)

same thing to JAVA_HOME
I’ve used
JAVA=/usr/java/default/bin/java
instead of
JAVA_HOME=/usr/java/default
(see /etc/init.d/jetty)

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#17 written by piccio 11 years ago

in Jetty 9.0.3

instead of:
rm -rf /opt/jetty/webapps.demo

you can:
rm -f start.d/900-demo.ini

or:
mv start.d/900-demo.ini start.d/900-demo.ini.bkp

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#18 written by Ameliorator 11 years ago

Could you please add to the article that “Jetty 9 requires Java 7″ ?

Somebody like me can skip Step 1 if he already had Java 6 on his machine. Then later on he will spent many hours like me in figuring out why “service jetty start” is throwing un meaningful error “STARTING Jetty: FAILED”

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#19 written by Rune 11 years ago

reboot now

Is not a valid command, and it causes problems on the latest Ubuntu versions. You should just write

reboot

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#20 written by Pieter Vogelaar 11 years ago

Thanks, changed it!

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#21 written by Nate 11 years ago

I’m using jetty ver 9.0.4.v20130625 on Ubuntu 12.04 and had no problems installing it. Supplying FireFox the URL “http://example.com:8085″ results in a time out.

netstat -tln has an entry with port 8085 under ‘tcp6; but none under ‘tcp’ and we are not using ipv 6.

sudo service jetty check indicates that jetty is running.

(I notice that in jetty/start.ini this line appears in the HTTP Connector section:
jetty.port=8080 )

Any ideas of what could be wrong?
Please be gentle as I’m new to all this ….

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#22 written by Nate 11 years ago

I feel as though I’m a person on another forum who often is able to post the answer to his problem before anyone can answer!

Since I tried to connect from Jetty’s host computer I needed to use http//127.0.0.1:8085/

My work lab LAN is really what’s behind my router, no DNS, so I also tested with http//192.168.1.200:8085/ using a WiFi enabled notebook and it worked too (as expected). I should have had more coffee yesterday (or maybe less …).

Now I can move on.

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#23 written by test 11 years ago

I faced the same problem as #3 dk did as “sudo /etc/init.d/jetty start Starting Jetty: FAILED”

I check the version it uses and java sdk comes with older version and it sets up java 6 ” /usr/lib/jvm/java-6-openjdk-i386/jre/bin/java” as default for some reason. I ran the following command to switch it to java 7.

>sudo update-alternatives –config java

And it starts w/o a problem.

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- #24 written by test 11 years ago
  
  of course I set up java7 as default for jetty.
  
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#25 written by Sutee 11 years ago

Does any body facing jetty killed itself

After I’m started Jetty for a while and the application work fine, then Jetty killed itself

it’s just logging as “KILLED” in the application logs

can anybody give me an ideas for configuration.

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#26 written by Vince 11 years ago

Why not

sudo apt-get install jetty

?

Not a snarky comment. Is there something wrong with the Ubuntu Jetty package I should know about, because that is what I’m was planning on using? Was it not available at the time of this initial post?

Thanks,
Vince

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- #27 written by datakid 10 years ago
  
  It’s significantly behind the dev curve.
  
  In 12.04.3, jetty in repo is v 6.1.24-6ubuntu0.12.04.1, Jetty is up to v 9.
  
  in 13.10 it’s v 6.1.26-1ubuntu1 – again, significantly behind the v9.1.0 released about a month ago.
  
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#28 written by groundrace 11 years ago

instead of:

JAVA=/usr/bin/java # Path to Java
NO_START=0 # Start on boot
JETTY_HOST=0.0.0.0 # Listen to all hosts
JETTY_ARGS=jetty.port=8085
JETTY_USER=jetty # Run as this user

please use:

JAVA_HOME=/usr/bin/java # Path to Java
NO_START=0 # Start on boot
JETTY_HOST=0.0.0.0 # Listen to all hosts
JETTY_ARGS=jetty.port=8085
JETTY_USER=jetty # Run as this user

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#29 written by Usha Vijay 11 years ago

I am getting the following error.
ERROR: JETTY_HOME not set, you need to set it or install in a standard location

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#30 written by Stef 11 years ago

I had to add this line to the /etc/default/jetty configuration file

JETTY_HOME=/opt/jetty

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- #31 written by pat 10 years ago
  
  Thanks, that’s it! @Pieter: Please add it to the tut. Thanks!
  
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  - #32 written by pat 10 years ago
    
    sorry, my bad… delete the comment^^
    
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    - #33 written by Pieter Vogelaar 10 years ago
      
      What do you mean?
      
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#34 written by Sangeetha 10 years ago

Hi ,

I am getting the below error on checking jetty service on Ubuntu 10.04 LTS server.

/etc/default# service jetty check
env: /etc/init.d/jetty: Permission denied

I tried giving
sudo chmod 777 /etc/init.d/jetty – This also did not change the error.

I have installed jdk and added jetty user as well.

I have not changed any webapps part.
Below is my etc/default/jetty configuration file.

/etc/default# cat jetty
JAVA=/usr/bin/java
JETTY_USER=jetty
JETTY_HOST=0.0.0.0. #Listen to all hosts
JETTY_ARGS=jetty.port=8080
JETTY_HOME=/opt/jetty

Please recommend

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#35 written by Oleg Vladimirov 10 years ago

Thanks, it’s helpful!

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#36 written by Bessie 10 years ago

Hi Pieter,

Firstly thanks for taking the time to put together this post. If I may add my 1 cent, I found creating a link of jetty.sh more helpful. I have found myself counless times using this awsome post, but then making changes to jetty.sh does not take affect. That is because a copy was made of the jetty.sh file.

I suggest running “ln -s /opt/jetty/bin/jetty.sh /etc/init.d/jetty” instead of the cp command.

Hopefully this helps someone else

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Ubuntu 12.04 – Install Jetty 9

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