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82

Does ObjectDB create one instance of each entity class on (web app) load ?

web app with the NetBeans 8.2 Profiler. I can see that exactly one instance of each entity is present in memory, at web app startup, before I've loaded anything, and they won't garbage collect. (I've ... for caching some oft-used information in an application-wide ReflectionHelper, but it does not
81

multiple different applications access one odb file

with this. thanks peric.emil Emil Perić If you can run all these 3 applications on your web server ... Hi, is it possible to access one odb file from different applications? What we would like ... and the other one would be for exposing the DB data via web services. Do all these apps need to have the same DB schema. The BIRT addon
78

How to use ObjectDB properly in spring boot application?

I have a spring boot application with objectdb embedded database. I am manually handling connection ... catch finally blocks in order to properly close connections. I want to refactore my application ... described in https://spring.io/guides/gs/accessing-data-jpa/) I had a research on the web
16

WeakRef Purge ObjectDb threads not stopping with Tomcat (in application container)

? • When we perform web application reloads on our servers we observe memory leaks. As the memory allocated to the previous web application instance is not garbage collected due to these threads being alive ... .catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [CAPReportServer
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ObjectDB License

that workplace. Servers that are leased or rented from third party web hosting and/or cloud hosting companies (including shared web hosting and VPS), if the hosted applications that use ObjectDB
15

Online Backup

applications that provide round the clock service (24/7/365) such as most web applications. Starting Online ... An ObjectDB database can be backed up by simply copying or archiving the database file while the database is offline (i.e. when it is not open in an ObjectDB server and not in use by any application
3

Step 4: Add a Servlet Class

In this step we will add a servlet to manage guestbook web requests: Open the [Create Servlet ... > Other... > Web > Servlet and clicking Next. The Java package name should be guest. Enter ... : The EntityManagerFactory is retrieved from the application scope attribute, and then an EntityManager
3

Java EE 6 JPA Tutorial - Eclipse Project

To open and run the Java EE 6 Web Application tutorial project in Eclipse: Download and extract the project zip file: Java EE JPA Web App - Maven Project (7KB) Open the Maven project in Eclipse: Select File > Import... > Maven > Existing Maven Projects and click Next. Select the guestbook-jee6
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Java EE 6 JPA Tutorial - NetBeans Project

To open and run the Java EE 6 Web Application tutorial project in NetBeans: Download and extract the project zip file: Java EE JPA Web App - Maven Project (7KB) Open the Maven project in NetBeans: Select File > Open Project.... Select the guestbook-jee6 directory and click Open Project. Run
2

Step 4: Add a Servlet Class

In this step we will add a servlet to manage guestbook web requests: Open the [New Servlet] dialog ... session bean, which is instantiated and injected by the application server into the guestDao field ... page that will serve as the application view and will produce the guestbook output.

Getting Started

ObjectDB is very easy to use. Follow the Getting Started Tutorial and the Quick Tour manual chapter and in minutes you may be able to write and run first Java programs against ObjectDB.

Prior knowledge or experience in database programming (SQL, JDBC, ORM, JPA, etc.) is not required, but some background in using the Java language is essential.

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