About Java

tutorial

Step 5: Add a JSP Page

Explains how to add a JSP page that uses JPA to a NetBeans Java EE 6 (J2EE) web application.... = "ISO-8859-1" % > <%@page import = "java.util.*,guest.Guest" % >   <!DOCTYPE html PUBLIC ...

 
tutorial

Step 5: Add a JSP Page

Explains how to add a JSP page that uses JPA to an Eclipse Java EE 6 (J2EE) web application.... = "ISO-8859-1" % > <%@page import = "java.util.*,guest.Guest" % >   <!DOCTYPE html PUBLIC ...

 
tutorial

Step 1: Create a Java Project

Explains how to create a NetBeans project with ObjectDB/JPA support.... by using File > New Project... Select Java > Java Application and click Next . Choose a Project Name (e.g. ...

 
manual

JPA / JDO Class Enhancer

The Enhancer is a post compilation tool that improves performance by modifying the byte code of compiled classes after compilation.... Enhancement API Load Time (Java Agent) Enhancement Command Line Enhancement ObjectDB Enhancer is a Java console application. It is contained in the objectdb.jar file. ...

 
issue

Unexpected error when loading all entity instance

Hi, when going through all entity instance to find orphaned entries we get the exception: ... exception ( Error 990 ) Generated by Java HotSpot ( TM ) 64 - Bit Server VM 1.8.0_74 ( on ... at com. objectdb . o . BYR . o ( BYR. java : 113 ) at com. objectdb . o . BYR . w ( ...

 
forum_thread

Java 9 support

Hi,  is ObjectDB supporting Java 9 already ? If not when can we expect the support for it ? ... Hi,  is ObjectDB supporting Java 9 already ? If not when can we expect the support for it ? ... soon. We will know more after the formal release of Java 9. ObjectDB Support ObjectDB - Fast Object ...

 
tutorial

Step 1: Create a Java Project

Explains how to create an Eclipse project with ObjectDB/JPA support.... New > Project... If you are using Eclipse IDE for Java EE Developers, you can see in the [New] menu a command for creating a [JPA ... type of project in this tutorial but rather an ordinary Java Project. In the [New Project] dialog box: Select Java Project ...

 
forum_thread

Internal exception when updating date filed (TemporalType.DATE)

Hello! ObjectDB version 2.5.3_02. I get internal exception when commiting update Date field (javax.persistence.TemporalType.DATE). ... (error 613) at com.objectdb.jpa.EMImpl.commit(EMImpl.java:290) at ... ... by: com.objectdb.o.InternalException at com.objectdb.o.InternalException.f(InternalException.java:236) at com.objectdb.o.IPW.ar(IPW.java:119) at com.objectdb.o.PGW.am(PGW.java:201) at ...

 
forum_thread

Attempt to execute a query using a closed EntityManager

Hi again! Suddenly, my app started to throw this exception. I would really appreciate some advices. ... using a closed EntityManager at com.objectdb.o.MSG.d(MSG.java:61) The doesn't make any sense. Scenario: 1. JSF page with ... . invoke ( ContextAwareTagMethodExpression. java : 108 ) at org. apache . myfaces . application . ...

 
doc

java.lang.Exception

The class Exception and its subclasses are a form of Throwable that indicates conditions that a reasonable application might want to catch.(Exception of java.langException Exception)