I have been able to create Restful web services with JAX-RS for Tomcat. Using the Netbeans Restful web service from patterns wizard.
But I am not able to create Restfull web servicer from database with Netbeans wizard.
It miss some libraries. I add openJPA and Java EE web api 6 (over the added by the wizard). But it continues not working.
I added javaEE-TomEE 8.0 but did not work, either!
Does anybody know what have I to add to Tomcat to get JPA-Database Restful service working?
Moving to GlassFish is not an answer valid... I want to keep on Tomcat (adding the minimal)
I have made some advances...
With EclipseLink(JPA 2.0) I was able to connect MySQL in a desktop application...
Then I switched to Apache OpenJPA and I was no able to get an EntityManagerFactory...
So it seems I choose a library incomplete...
I imagine, in Tomcat, I have to choose other library than OpenJPA.
Related
I am new to Java EE and am trying to learn the same using tutorials and examples online.
I am trying to follow http://www.vogella.com/articles/REST/article.html#first and create a RESTful service using Jersey.
Since this is my first RESTful service, I have basically copy-pasted whatever code is present till http://www.vogella.com/articles/REST/article.html#first_run.
However, when I try to run the service, I am getting an error:
Could not load the Tomcat server configuration at /Servers/Tomcat v7.0 Server at localhost-config. The Servers project is closed.
When I tried looking into the server configuration, I see that the configuration path is showing an error for the value: /Servers/Tomcat v7.0 Server at localhost-config.
When I try to change any (server) configuration and save it, I get the message: "Error while saving. Resource '/Servers' is not open."
Five differences between my project and what is described in the page:
I am using JDK 1.7, while the page mentions JDK1.6.
I am using Apache Tomcat Server 7.0, while the page mentions Tomcat version 6.0.
The Dynamic web module version is set to 3.0 in my project, while it is 2.5 in the page.
I have a couple of practise spring apps configured on my tomcat server. I am not sure how to remove them. :(
I have updated my web.xml to use web-app_3_1.xsd in the place of web-app_2_5.xsd.
I am not able to understand why this is happening.
If this does not seem to be solvable, I would be thankful, if you can point me to any resource that explains creating a RESTFul service using Jersey using Java EE7, Apache Tomcat 7 and, preferably, Eclipse.
The solution turned out to be simple. When I looked at the Project Explorer, I saw that there was a project called "Servers". Once I "opened" this project, the problem got resolved.
Seems like marking all projects and selecting "Close Project" has a side effect in Java EE Perspective. :)
I am currently working on a project which has a GWT frontend and a seperate Java module with servlets and a REST interface on the backend. The project when deployed runs on a single JBoss server.
I am running into difficulties though as when I run the GWT app in hosted mode (in eclipse) the jetty server does not have a deployed Java module to interact with.
My idea was to setup a JBoss server which eclipse could deploy into for development purposes, the problem with this is that the installer for the product sets up a JBoss server with a GWT app already embedded in it, so redeploying into this JBoss instance might cause problems?
My other idea would be to create a second JBoss server to host the GWT app, with some sort of url redirect for the rest calls which would redirect to the first JBoss instance. Is this possible?
EDIT: Can I do this with the built in jetty server in eclipse and not have to worry about using a seperate JBoss server. In other words can I somehow get the jetty server in eclipse to redirect particular requests to a different URL?
Fist off all I'm quit new to this stuff, so sorry if I don't describe my problem properly.
I've built a simple Jax-WS Web Service for Tomcat 6 by using the Eclipse Juno wizard (dynamic web project --> add class --> new Web Service --> create WAR) and AXIS 2.
Everything works fine, but now i want to store some environment entities in the web.xml file and make them accessible from the service.
If I were using a servlet, I would call ServletConfigurator.getinitparam("name"), but how do i do it with a web service?
you might want to take a look at this website for RESTful Web Services API using Java and MySQL.It's pretty informative.
I'm trying to consume a web service within an applet.
For that objective i've tried Apache and Apache2, both with good results
but the problem is that the jar dependencies are far too fat for my application
(the jar for axis or axis2 are over 1.5MB, and the applet is less than 200KB)
So i will try consuming the web service with Apache CXF, hoping that the jars
are at least a bit smaller.
Using eclipse one creates an empty project and in the main classes implements
the applet and blah blah, but to create the web service one must use the web service
wizard.
I've used this wizard before, to consume the web service using Axis, but the moment i choose other options i get this message:
****The Apache CXF 2.x Web service runtime in Tomcat v7.0 Server does not support the client project****
What i´m missing?
I've already installed, CXF 2.x runtime, and the Tomcat 7 Server, and of course the Eclipse Web Tools.
This question How to generate web service client with Apache CXF in Eclipse Helios?
shows a very hard solution and it´s one year old!
is there any other way to consume webservices within an applet?
ksoap2 has no documentation on complex webservices, and ksoap2-android
neither
Sorry for a boring question, but any help is greatly apreciated
Apache CXF 2-x Web service runtime Tomcat Server not support client
The Apache CXF 2.x Web service runtime in Tomcat v7.0 Server does not support the client project
Answer: If you see above error during creating web service client in eclipse using Apache CXF means you are using java project to generate the client from WSDL. Latest version of JAX-WS supports Dynamic Web Module v2.5 and up. So create client using apache CXF first you need to create Dynamic web project.
Once dynamic project created then open web service client wizard to create client from WSDL and issue should be resolved.
If client of the system is on the web there are no advantages JBossAS+Seam over Tomcat+Seam?
Your questions suggests you're confused about what is what.
Seam is a framework for building web applications in Java.
JBoss AS is a Java EE application server.
Tomcat is a Java servlet container.
You can run Seam on either JBoss or Tomcat.
Since JBoss is a full EE app. server, you get certain features like Enterprise Java Beans out of the box with JBoss.
With Tomcat, you don't, but this isn't usually a big concern since, for example, Spring framework can replace Java EE if you need that functionality.
It does matter what you use, since the majority of your system will be probably coded in the back end (server side Java).
If you want the minimum amount of hassle when using Seam, I'd suggest using JBoss since that company made Seam.