How to use Tomcat 8 5 x and TomEE 7 x with Eclipse

Question

I need to setup a Tomcat 8 5 x server version  in Eclipse  When I try to create a server using Eclipse GUI  I get in Eclipse Luna as choice the latest version  Apache Tomcat v8 0   When I select it and I browse to my Tomcat 8 5 x server  I get this blocking error message      The Apache Tomcat installation at this directory is version 8 5 0   A   Tomcat 8 0 installation is expected    The same error appears when trying TomEE 7 x  which is internally based on Tomcat 8 5   In Eclipse Neon the latest version as choice is  Apache Tomcat v9 0  and it gives the same error  There isn t even a  Apache Tomcat v8 5  option   Is there a way to use Tomcat 8 5 and TomEE 7 x in Eclipse  How

User · Answer

I had similar issues with Eclipse Kepler v3.8 I had tomcat v8.5.37 installed. I couldn't see Apache v8.5 as an option. By skimming through StackOverflow I found Apache v9.0 is available on Eclipse Neon. Cool thing is you don't have to change your eclipse version. In your current Eclipse. Download WTP(Web Tools Package) by following the steps:

Step 1: Help >>> Install New Software. Copy this link in the Work with: http://download.eclipse.org/webtools/repository/neon

Step 2: Select JST Server Adapters and JST Server Adapters Extensions from the first package you see. Install those.

Step 3: Windows >>> Preferences >>> Server >>> Runtime Environments >>> Add..

You'll see Apache v9.0 there! It works!

User · Answer

This workaround worked for me  I edited the serverInfo properties file as given below   server info Apache Tomcat 8 0 0 server number 8 0 0 0 server built Oct 6 2016 20 15 31 UTC

User · Answer

You have to patch catalina jar  as this is version number the WTP adapter looks at  It s a quite useless check  and the adapter should allow you to start the server anyway  but nobody has though of that yet    For years and with every version of Tomcat this is always a problem    To patch you can do the following    cd  tomcat or tomee home  lib mkdir catalina cd catalina  unzip    catalina jar vim org apache catalina util ServerInfo properties   Make sure it looks like the following  the version numbers all need to start with 8 0    server info Apache Tomcat 8 0 0 server number 8 0 0 server built May 11 2016 21 49 07 UTC   Then    jar uf    catalina jar org apache catalina util ServerInfo properties cd    rm -rf catalina

User · Answer

For Tomcat 8 5 x users  You ve to change the ServerInfo properties file of Tomcat s  lib catalina jar file   ServerInfo properties file contains the following code  server info Apache Tomcat 8 5 4 server number 8 5 4 0 server built Jul 6 2016 08 43 30 UTC   Just open the ServerInfo properties file by opening the catalina jar with winrar from your Tomcat s lib folder  ServerInfo properties file location in catalina jar is  org apache catalina util ServerInfo properties  Notice    shutdown the Tomcat server if it s already opened by cmd  before doing these things otherwise your file doesn t change and your winrar shows error    Then change the following code in ServerInfo properties  server info Apache Tomcat 8 0 8 5 4 server number 8 5 4 0 server built Jul 6 2016 08 43 30 UTC   Restart your eclipse if opened   Now it ll work

User · Answer

I m guessing that you are running Eclipse Mars  or an even earlier release  You need to upgrade to Eclipse Neon or later

User · Answer

There is a patch for Eclipse  https   bugs eclipse org bugs attachment cgi id 262418 amp action edit  Download this patch and put it to the plugins directory of your Eclipse installation  It will replace the default  org eclipse jst server tomcat core 1 1 800 v201602282129 jar    NOTE After you add this patch you must choose  Apache Tomcat v9 0  when adding a server runtime environment in the Eclipse  Preferences   Server   Runtime Environments   I e  this patch allows you to select either Tomcat version 9 x or Tomcat version 8 5 x when adding Apache Tomcat v 9 0 runtime environment     More details on can be found on the related bug report page  https   bugs eclipse org bugs show bug cgi id 494936

User · Answer

Install the latest version of eclipse    It would have the option to add Tomcat 8 5

User · Answer

Go to the preview version of tomcat e g    tomcat 8 3 and copy catalina jar file and paste into the existing tomcat which you have facing the issue

User · Answer

As for now Eclipse  Neon service release is  available  So if someone is still encounters this trouble  just go to  Help     Check  for  Updates  and install provided updates

User · Answer

Forgive me for invoking old problem  But it is like legendary  always happen for new users  The reason I am here is I want to purpose different answer  Rather simple  Please fo to windows- preference- Runtime Environment- search and select the folder where you download the server  It will automatically detect the server and you are good to go

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