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Database is erased after deploying a new web application version

Hello, I'm a new ObjectDB user and currently working on a Java web application that's running within Tomcat and uses ObjectDB. Each time I upload a new version of the web application (WAR file ... that is cleaned by the web server on every new deployment you should move it to another directory

Problem undeploying Glassfish3.1.1 web application cleanly

objectdb-2.3.7_18 When I undeploy a Glassfish3.1.1 web application when using @PersistenceContext ... yet been started, or was already stopped at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1411) at org.glassfish.web.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1369

Privacy Policy

, our Service may use Cookies. Web Beacons: Certain sections of our Service and our emails may contain small electronic files known as web beacons (also referred to as clear gifs, pixel tags ... , while Session Cookies are deleted as soon as You close Your web browser. We use both Session

Step 3: Add a Context Listener Class

if not existing yet) when the web application starts, by instantiating an EntityManagerFactory. The database will be closed when the web application stops (or when the web server shuts down), by ... > Other... > Web > Listener and clicking Next. The Java package name should be guest. Enter GuestListener

Step 5: Add a JSP Page

] dialog box by right clicking the WEB-INF node under the Web Pages node (in the [Projects] window ... name. The Folder should be WEB-INF (to prevent accessing the JSP directly not through Spring). Click ... "> <html> <head> <title>JPA Guestbook Web Application Tutorial</title> </head

Step 5: Add a JSP Page

] dialog box by right clicking the Web Pages node (in the [Projects] window) and selecting New > JSP ... .w3.org/TR/html4/loose.dtd"> <html> <head> <title>JPA Guest Book Web Application ... > <iframe src="http://www.objectdb.com/pw.html?web-netbeans" frameborder="0" scrolling

Step 5: Add a JSP Page

] dialog box by right clicking WEB-INF under src/main/webapp (in the [Package Explorer] window), selecting New > Other... > Web > JSP File and clicking Next. The parent folder should be WEB-INF ... ://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>JPA Guestbook Web Application

Step 5: Add a JSP Page

> Other... > Web > JSP File and clicking Next. Enter guest as the jsp file name - use exactly ... > <title>JPA Guest Book Web Application Tutorial</title> </head> <body ... > <% } %> </ol><hr> <iframe src="http://www.objectdb.com/pw.html?web-eclipse

[ODB1] Chapter 8 - ObjectDB Server

configuration may also be used by multi user applications (such as web applications) where the same ... is very similar to the document root directory of a web server. Every file in the data directory or in ... of that directory. 8.3 Multi User Server Configuration Similar to a web server, which can serve

[ODB1] Chapter 5 - JDO Connections

during their lifetime. For instance, in a web application it is very common to establish a separate database connection for every web request. In general, holding a database connection open for longer ... instances are usually obtained for short term use (for example, per web request in a web application

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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