java-ee

问题 i am using eclipse helios 3.6 when i tried to open xhtml pages with web page editor i got the following error: Could not open the editor: Null charset name yesterday it was working fine, but today it keeps giving me above error for all xhtml pages. any ideas how to solve it ? UPDATE : Full StackTrace java.lang.IllegalArgumentException: Null charset name at java.nio.charset.Charset.lookup(Charset.java:429) at java.nio.charset.Charset.isSupported(Charset.java:479) at org.eclipse.wst.sse.core

问题 in my website I'm allowing my users to login using their name and their password (this data is stored in my database). But now I want to allow them to login by using their social networks account, like facebook, gmail... My website is running on a JBOSS application server. And the users authentication is done by a form-based authentication, kinda like this example http://dont-panic.eu/blogs/2012/sep/form-based-authentication-against-custom-database-jboss-7. Is it possible to add this new

问题 I'm using jbossIDE Eclipse 1.6. when deploying my .ear app, I get a java.rmi.MarshalException. what's surprising is that just a few min ago, everything was OK. I feel like this jbossIDE Eclipse thing is really useless. it's crashing all the time. java.rmi.MarshalException: Failed to communicate. Problem during marshalling/unmarshalling; nested exception is: java.io.InvalidClassException: com.afrikbrain.util.message.MessageInfo; local class incompatible: stream classdesc serialVersionUID =

问题 Platform I am using : Fedora 20; mariadb-5.5.34-2.fc20.x86_64; Eclipse Kepler Service Release from www.eclipse.org I am implementing example See here and I am trying to manage to work the login interface. Actually I am configuring TomEE to use JAAS auth technology. Since I am having some troubles, I would like to solve them with the help of Eclipse debugging mode. To do that, I: setted breakpoint at line number 79 of LoginController.java; started TomEE in debug mode; executed login.xhtml in

问题 I would like to set the context-root of the web application part of my enterprise application (bundled as an EAR). I added an "application.xml" file which looks like this: <application> <module> <web> <web-uri>SearchResulter-war.war</web-uri> <context-root>/searcharoo</context-root> </web> </module> </application> The thing is, I have EJBs in the project as well. It seems that the Java EE 5/6 magic previously did not require me to include an "application.xml" file, and that was all good until

问题 I'm new to creating ear and communicaton between wars and jar... I was having two wars having completely independent functionality. Now I've to create a Ear, where two application have to work on same functionality, which is enclosed in a jar.But requirement is I must not include the jar in Pom.xml of both but make use of that jar, where all 3 are under single ear.is this is possible? I've tested Ear with 2 independent wars and it's working fine now how to achieve above I'm not getting this.

问题 I'm trying to deploy my application through the generation of a War file using an Ant File, in which I've wrote this code: <project name="HelloWorldWS" default="dist" basedir="."> <description> Web Services build file </description> <!-- set global properties for this build --> <property name="src" location="src"/> <property name="build" location="build"/> <property name="dist" location="dist"/> <property name="webcontent" location="WebContent"/> <target name="init"> <!-- Create the time

问题 I'm trying to create a webservice that gives some results taken through hibernate from the database. @Path("/book") public class BookService { @Inject private dbController db; @GET @Produces(MediaType.TEXT_PLAIN) public String getBookTitle() { return "H2G2"; } @GET @Path("/users") @Produces(MediaType.APPLICATION_JSON) public Response getUsers(){ List<UserEntity> users = db.getUsers(); return Response.ok(users,MediaType.APPLICATION_JSON).build(); } } the db variable whenever I call http:/

问题 we are facing an issue with initializing our cache at server startup or application deployment. Initializing the cache involves Querying a database to get the list of items Making an rmi call for each item Listening to the data on a JMS queue/topic Constructing the cache This initialization process is in startup code. All this is taking lot of time due to which the deployment is taking lot of time or server start time is increasing. So what I proposed is to create a thread in the startup and

问题 I am using iText PdfTextExtractor to extract text from the PdfReader, where the PdfReader is created from a byte array, byte[] pdfbytes = outputStream.toByteArray(); PdfReader reader = new PdfReader(pdfbytes); int pagenumber = reader.getNumberOfPages(); PdfTextExtractor extractor = new PdfTextExtractor(reader); for(int i = 1; i<= pagenumber; i++) { System.out.println("============PAGE NUMBER " + i + "=============" ); String line = extractor.getTextFromPage(i); System.out.println(line); } The