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• Struts 2 TypeConversion problem

  - by Parhs

  Hello... i have a big problem... i have this map HashMap<Long, String> examValues; It gets populated by textboxes automatically with name="examValues[id]" Although i explicily defined the element as String , it doesnt care!!! I want everything to be a String... The result is to get a java.lang.ClassCastException: java.lang.Long cannot…

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• Exception Servlets have the same pattern, how to solve?

  - by user3713766

  This is my web xml: <?xml version="1.0" encoding="UTF-8"?> <web-app version="3.1" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"> <context-param> …

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• JavaOne 2012 session slides: "Dev Berkeley DB & DB Mobile Server for Java Embedded Tech"

  - by hinkmond

  The latest JavaOne 2012 slides are available on the Web. Here's the presentation that Eric Jensen and I did on "Developing Berkeley DB & DB Mobile Server for Java Embedded Technology". Enjoy! See: Click here for the slides in a new window It was fun to present this talk at JavaOne 2012 with Eric. We had some…

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• Cannot execute Java program: UnsupportedClassVersionError

  - by Ricko Devian

  I have installed JDK 6, but I can't execute a Java program. For example, I have made test.java. I compile it with javac tes.java and there's no error when I compile it, but when I want to execute that program it always displays an error. I execute the Java program with java tes. Exception in thread "main"…

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• Java ME Embedded?Java Embedded Suite????

  - by ksky

  JavaOne 2012??????????????????????Java?2?????????????: Oracle Java ME Embedded ????? ??????? Java ME Embedded???????????????????????????Java???????????CLDC + IMP-NG???????????????130 KB RAM/350 KB ROM???????????????700 KB RAM/1.5 MB…

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• java.lang.IllegalAccessException during Ant jwsc webservice build

  - by KevB

  Hi. I have a large application, part of which relies on a set of 3 webservices. I'm currently in the process of writing an Ant build script to build and package the application into an EAR file. When building the web sub-project for this application I use the <jwsc>…

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• java.sql.SQLException: Unsupported feature

  - by Raja Chandra Rangineni

  Hello All, I am using the JPA(hibernate) for the ORM and c3po for connection pooling. While I am able to do all the CRUD operations it gives me the below error while accessing the the data: Here are the tools: Hibernate 3.2.1, Oracle 10g, ojdbc14, connection pool:…

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• How can I get sikuli-ide to work?

  - by ayckoster

  I installed sikuli-ide with sudo apt-get install sikuli-ide Everything was fine until I tried to start it from the terminal. I typed sikuli-ide But the only response I got was [info] locale: en_US The application was not started, furthermore there is no…

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• Java???????????????????

  - by OTN-J Master

  ???????????Java?????????????????????Java????????????????????????????????????????????????????>>??????(The Oracle Software Security Assurance Blog??) Normal 0 0 2 false false false EN-US JA X-NONE …

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• Latest Security Updates for Java are Available for Download

  - by Akemi Iwaya

  Oracle has released new updates that patch 40 security holes in their Java Runtime Environment software. Anyone who needs or actively uses the Java Runtime Environment for work or gaming should promptly update their Java installation as soon as possible. One…

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• First JSRs Proposed for Java EE 7

  - by Jacob Lehrbaum

  With the approval of Java SE 7 and Java SE 8 JSRs last month, attention is now shifting towards the Java EE platform.  While functionality pegged for Java EE 7 was previewed at least as early as Devoxx, the filing of these JSRs marks the first,…

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• Java EE 6????????????????????????? ????????????????Oracle WebLogic Server 12c Forum?????|WebLogic Channel|??????

  - by ???02

  Java EE 6?????????????????????????????Oracle WebLogic Server 12c??????????????????????????????????????? 1?25????????Oracle WebLogic Server 12c Forum - ????????Java??????????? -??????????·?????????WebLogic Server 12c??????? Java EE 6?? ~Java EE…

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• Grails + GAE - Issue using app.servlet.version=2.5

  - by Taylor L

  Updating the servlet version in application.properties to 2.5 has no affect on the generated web.xml. The generated web.xml is still version 2.4. app.servlet.version=2.5 Also, if I try to execute "run-app" I get the exception below: …

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• Java Spotlight Episode 76: Pro Java FX2 - A Definative Guide to Rich Clients with Java Technology

  - by Roger Brinkley

  Tweet An interview with the authors of Pro Java FX2: A Definative Guide to Rich Clients with Java Technology. Right-click or Control-click to download this MP3 file. You can also subscribe to the Java…

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• User defined datatypes CANNOT be returned in web service in Jboss 5.0.1

  - by user1503117

  I am using Jboss 5.0.1, jdk 1.6.0 update 31 and implementing an EJB as a web service and my method in web service module returns an Array of JavaBean objects in my example BenefitLevel array object. When executed in JBoss it throws…

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• Java-JDBC-MySQL Error

  - by LeonardPeris

  I'm trying to get my java program to talk to a MySQL DB. So i did some reading and downloaded MySQL Connector/J. I've extracted it into my home directory ~. Here are the contents. user@hamster:~$ ls LoadDriver.class …

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• Back in Brazil! See you at JavaOne LAD this week

  - by terrencebarr

  It’s great to be back in Sao Paulo. I’m looking forward to a another buzzing JavaOne LAD conference and the energy of the Latin American Java community! And, of course, catching up with Brazilian friends over some…

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• Netbeans Error "build-impl.xml:688" : The module has not been deployed.

  - by Sarang

  Hi everyone, I am getting this error while deploying the jsp project : In-place deployment at C:\Users\Admin\Documents\NetBeansProjects\send-mail\build\web Initializing... …

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• Problem Using POI To Set CellStyleProperty With HSSFCellUtil

  - by Alvin Sim

  I have a Java class which uses Apache POI to generate reports in Excel. When I run the Java class from my IDE or command prompt, I only see warning messages from LOG4J as below: …

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• How to gain Professional Experience in Java/Java EE Development

  - by Deepak Chandrashekar

  I have been seeing opportunities go past me for just 1 reason: not having professional industry experience. I say to many employers that I'm capable of doing the job and show them…

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• Connection error in java website. Tnsping shows that the service is running

  - by user1439090

  I have a java website application running in windows 7 which uses oracle database for its functionalities. The database has default SID name orcl. When I use tnsping, I can see…

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• Java Appengine APPSTATS causing java out of memory error

  - by aloo

  I have several servlets in my java appengine app that do in memory sorting and take on the order of seconds to complete. These complete error free. However, I recently…

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• New videos: Getting started with embedded Java and more

  - by terrencebarr

  OTN just published a set of six videos related to embedded Java: Java at ARM TechCon Java SE Embedded Development Made Easy, Part 1 Java SE Embedded Development Made…

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• Choosing between Berkeley DB Core and Berkeley DB JE

  - by zokier

  I'm designing a Java based web-app and I need a key-value store. Berkeley DB seems fitting enough for me, but there appears to be TWO Berkeley DBs to choose from:…

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• Quick note from JavaOne … check my twitter feed

  - by terrencebarr

  Just a quick note from JavaOne … excellent response to Oracle’s embedded Java announcements and strategy. Our DEMOGround booth is always busy – people want to…

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