JBoss vs Tomcat again

Question

This will appear to be the age old question  which it is     that which server is better between Tomcat and JBoss  but I have not found a good enough answer yet to solve my problem   I know that Tomcat is only a servlet engine and JBoss offers many more functionalities out of the box  but what I fail to understand is why Tomcat is better to use in some situations than jboss  I read somewhere that JBoss has a pluggable architecture and if required  you can unplug features from JBoss to make it essentially a tomcat servlet container  If that is the case  then isn t it better to do so instead of using Tomcat  in order to leave scope for plugging things back   Another explanation I find in favour of Tomcat is that it is lightweight  does that mean less memory requirement or does that also allows faster response  Again  I need to know that won t jboss load components as per requirement i e  if i am using only servlets  then won t jboss skip the rest of the features and become lightweight automatically   Essentially  my application does not have any Java EE features  but the  lightweight  arguments in favour of Tomcat does not sound convincing enough because of the above mentioned reasons    Please help   Edit  We had finally decided to use tomcat back then and we have been using it for more than 6 months now with great ease of use  Infact we found some practical use where we could very easily run multiple tomcat instances on the same server machine for different developers  the same could have been very difficult with jboss    I have found tomcat to be hassle free for our work and therefore may be the right choice when you are not using much of Java EE features  PS  Please note that we still use Spring and Hibernate with Tomcat

User · Answer

I d certainly look to TomEE since the idea behind is to keep Tomcat bringing all the JavaEE 6 integration missing by default  That s a kind of very good compromise

User · Answer

Strictly speaking  With no Java EE features your app hardly need an appserver at all  -   Like others have pointed out JBoss has a  more or less  full Java EE stack while Tomcat is a webcontainer only  JBoss can be configured to only serve as a webcontainer as well  it d then just be a thin wrapper around the included tomcat webcontainer  That way you could have an almost as lightweight JBoss  which would actually just be a thin  wrapper  around Tomcat  That would be almost as lightweigth   If you won t need any of the extras JBoss has to offer  go for the one you re most comfortable with  Which is easiest to configure and maintain for you

User · Answer

First the facts  neither is better  As you already mentioned  Tomcat provides a servlet container that supports the Servlet specification  Tomcat 7 supports Servlet 3 0   JBoss AS  a  complete  application server supports Java EE 6  including Servlet 3 0  in its current version   Tomcat is fairly lightweight and in case you need certain Java EE features beyond the Servlet API  you can easily enhance Tomcat by providing the required libraries as part of your application  For example  if you need JPA features you can include Hibernate or OpenEJB and JPA works nearly out of the box   How to decide whether to use Tomcat or a full stack Java EE application server   When starting your project you should have an idea what it requires  If you re in a large enterprise environment JBoss  or any other Java EE server  might be the right choice as it provides built-in support for e g    JMS messaging for asynchronous integration Web Services engine  JAX-WS and or JAX-RS  Management capabilities like JMX and a scripted administration interface Advanced security  e g  out-of-the-box integration with 3rd party directories EAR file instead of  only  WAR file support all the other  great  Java EE features I can t remember  -    In my opinion Tomcat is a very good fit if it comes to web centric  user facing applications  If backend integration comes into play  a Java EE application server should be  at least  considered  Last but not least  migrating a WAR developed for Tomcat to JBoss should be a 1 day excercise   Second  you should also take the usage inside your environment into account  In case your organization already runs say 1 000 JBoss instances  you might always go with that regardless of your concrete requirements  consider aspects like cost for operations or upskilling   Of course  this applies vice versa   my 2 cent

User · Answer

Take a look at TOMEE  It has all the features that you need to build a complete Java EE app

User · Answer

I have also read that for some servers one for example needs only annotate persistence contexts  but in some servers  the injection should be done manually

[tomcat] JBoss vs Tomcat again

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