How to set the context path of a web application in Tomcat 7 0

Question

I know that I can rename my webapp  or it s WAR file  to ROOT but this is a terrible way to do it  IMHO  Now I checked out the tomcat doc  amp  it says      It is NOT recommended to place  elements directly in the   server xml file   So I tried doing it another method that it suggested      Individual Context elements may be explicitly defined  In an   individual file at  META-INF context xml inside the application files    So I created a  META-INF context xml with the following code    lt  xml version  1 0  encoding  UTF-8   gt   lt Context antiJARLocking  true  path      gt    But after deploying when I restarted the server it still failed to load the context at      it still loaded it with the    lt WEB APP NAME gt    Any pointers helpful

User · Accepted Answer

What you can do is the following   Add a file called ROOT xml in  lt catalina home gt  conf Catalina localhost   This ROOT xml will override the default settings for the root context of the tomcat installation for that engine and host  Catalina and localhost    Enter the following to the ROOT xml file    lt Context    docBase   lt yourApp gt      path       reloadable  true     gt    Here   lt yourApp gt  is the name of  well  your app       And there you go  your application is now the default application and will show up on http   localhost 8080  However  there is one side effect  your application will be loaded twice  Once for localhost 8080 and once for localhost 8080 yourApp  To fix this you can put your application OUTSIDE  lt catalina home gt  webapps and use a relative or absolute path in the ROOT xml s docBase tag  Something like this    lt Context    docBase   opt mywebapps  lt yourApp gt      path       reloadable  true     gt    And then it should be all OK

User · Answer

I faced this problem for one month Putting context tag inside server xml is not safe it affect context elements deploying for all other host  for big apps it take connection errors also not good isolation for example you may access other sites by folder name domain2 com domain1Folder    also database session  connections loaded twice   the other way is put ROOT xml file that has context tag with full path such      lt Context path    docBase   var lib tomcat7 webapps ROOT    gt    in conf catalina webappsfoldername and deploy war file as ROOT war inside webappsfoldername and also specify host   such            lt Host name  domianname   appBase  webapps2  unpackWARs  true   autoDeploy  true   xmlValidation  false  xmlNamespaceAware  false   gt            lt Logger className  org apache catalina logger FileLogger                 directory  logs   prefix  localhost log   suffix   txt            timestamp  true   gt   lt  Host gt    In this approach also for same type apps user sessions has not good isolation   you may inside app1 if app1 same as app2 you may after login by server side session automatically can login to app2    So you have to keep users session in client side cache and not with jsessionid   we may change engine name from localhost to solve it  but let say playing with tomcat need more time than play with other cats

User · Answer

For me both answers worked    Adding a file called ROOT xml in  conf Catalina localhost      lt Context     docBase   tmp wars hpong    path      reloadable  true    gt      Adding entry in server xml     lt Service name  Catalina2  gt       lt Connector port  8070  protocol  HTTP 1 1                 connectionTimeout  20000                 redirectPort  8743    gt       lt Engine name  Catalina2  defaultHost  localhost  gt           lt Host name  localhost              unpackWARs  true  autoDeploy  true  gt               lt Context path    docBase   tmp wars hpong   reloadable  true  gt                   lt WatchedResource gt WEB-INF web xml lt  WatchedResource gt               lt  Context gt         lt  Host gt       lt  Engine gt   lt  Service gt     Note  when you declare docBase under context then ignore appBase at Host     However I have preferred converting my war name as ROOT war and place it under webapps  So now unmatched url requests from other wars contextpaths  will land into this war  This is better way to handle ROOT         context path     The second option is  double  loading the wars from Webapps folder as well  Also it only needs uncompressed war folder which is a headache

User · Answer

This little code worked for me  using virtual hosts   lt Host name  my host name   gt      lt Context path    docBase   path to myapp war   gt   lt  Host gt

User · Answer

It s not recommended to update the server configuration like server xml or ROOT xml   You can put a context xml configuration file under your web-application META-INF directory  with the context path setting included  This will override the default server setting   i e     lt Context docBase  yourAppName  path   yourAppPath  reloadable  true  gt

User · Answer

In Tomcat 9 0  I only have to change the following in the server xml   lt Context docBase  web  path   web  reloadable  true  source  org eclipse jst jee server web   gt    to    lt Context docBase  web  path    reloadable  true  source  org eclipse jst jee server web   gt

User · Answer

Simplest and flexible solution is below  Inside   Tomcat home  config server xml  Change the autoDeploy  false  deployOnStartup  false  under Host element like below This is must    lt Host name  localhost   appBase  webapps          unpackWARs  true  autoDeploy  false  deployOnStartup  false  gt    Add below line under Host element    lt Context path    docBase  ServletInAction war   reloadable  true  gt               lt WatchedResource gt WEB-INF web xml lt  WatchedResource gt           lt  Context gt    With the above approach we can add as many applications under webapps with different context path names

User · Answer

Here follows the only solutions that worked for me  Add this to the Host node in the conf server xml   lt Context path    docBase  yourAppContextName  gt      lt  -- Default set of monitored resources -- gt     lt WatchedResource gt WEB-INF web xml lt  WatchedResource gt    lt  Context gt       go to Tomcat server xml file and set path blank

User · Answer

Tomcat 8   After many searches this is only working code  in server xml   lt  -- Set  apple as default path -- gt       lt Host name  localhost   appBase  webapps           unpackWARs  true  autoDeploy  true  gt        lt Context path    docBase  apple  gt            lt  -- Default set of monitored resources -- gt            lt WatchedResource gt WEB-INF web xml lt  WatchedResource gt        lt  Context gt       lt  Host gt    Restart Tomcat  make sure when you access 127 0 0 1 8080  it will display the content in 127 0 0 1 8080 apple  My project was java web application witch created by netbeans  I set context path in project configuration  no other thing  even I put apple war in webapps folder

User · Answer

The below trick worked for me   1  Comment delete the below configuration from server xml file  inside conf folder  of tomcat   2  Delete the existing ROOT folder  If any  residing inside tomcat webapps folder  And rename your war  e g  test war   file to ROOT war   Remember that while renaming war file to ROOT war  ROOT  should be in caps   Limitation  You can deploy only one application inside one tomcat instance

User · Answer

lt Context docBase  yourAppName  path    reloadable  true  gt      go to Tomcat server xml file and set path blank

User · Answer

In Tomcat 8 X  under tomcat home directory  conf  folder in server xml you can add  lt Context gt  tag under  lt Host gt  tag as shown below   But you have to restart the server in order to take effect      lt Host name  localhost   appBase  webapps          unpackWARs  true  autoDeploy  true  gt         lt Context docBase    catalina base  webapps  lt Your App Directory Name gt   path   lt your app path you wish gt   reloadable  true    gt     lt  Host gt    OR if you are using Tomcat 7 X you can add context xml file in WEB-INF folder in your project   The contents of the file i used is as shown   and it worked fine for me   you don t have to restart server in this case      lt  xml version  1 0  encoding  UTF-8   gt    lt Context docBase    catalina base  webapps  lt My App Directory Name gt   path   lt your app path you wish gt   reloadable  true    gt

User · Answer

Quickest and may be the best solution is to have below content in  lt TOMCAT INSTALL DIR gt  conf Catalina localhost ROOT xml   lt Context    docBase   your webapp location directory     path       reloadable  true     gt    And your webapp will be available at http    lt host gt   lt port gt

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