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java.io.IOException: Illegal seek

The Exception throws between whiles, is a bug? (ObjectDB 2.3.4_05) [09:44:46.992] Caused by: com.objectdb.o.UserException: Failed to read from file '/home/app/resin/webapps/WEB-INF/objectdb/data.odb' [09:44:46.992] at com.objectdb.o.MSG.d(MSG.java:74) [09:44:46.992] at com.objectdb.o.LFL.T
4

Eclipse/JPA Web Application Tutorial

Step by step tutorial that demonstrates how to build a simple database web application (with Servlet and JSP) in Eclipse using JPA.
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JPA Web Application Tutorial

This tutorial demonstrates how to create run a database driven Java web application in Eclipse - using Tomcat 6, ObjectDB and JPA.
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JPA Tutorials

Tutorials for using JPA and ObjectDB in Eclipse and NetBeans (console applications, web application, Java EE 6 applications).
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NetBeans/JPA Web Application Tutorial

Step by step tutorial that demonstrates how to build a simple database web application (with Servlet and JSP) in NetBeans using JPA.

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.

Need Help?

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  2. Read the FAQ
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Which JPA is Faster?

 

See a comparison of Hibernate, EclipseLink, OpenJPA, DataNucleus, MySQL, PostgreSQL, Derby, HSQLDB, DB4O by Versant, H2 Database, SQLite and ObjectDB

in the JPA Benchmark.

Copyright © 2003, 2010, 2022  ObjectDB Software, all rights reserved. The JPA API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the open source JPA 2 RI (EclipseLink) and is available under the terms of the Eclipse Public License, v. 1.0 and Eclipse Distribution License, v. 1.0. The JDO API Reference Documentation (JavaDoc) on this website is derived with some adjustments from the JDO 2.2 API and is available under the terms of the Apache License, v. 2.0. Images on this website are available under these licecnes. Documentation on this website explains how to use JPA in the context of the ObjectDB Object Database but mostly relevant also for ORM JPA implementations, such as Hibernate (and HQL), EclipseLink, TopLink, OpenJPA and DataNucleus. ObjectDB is not an ORM JPA implementation but an Object Database (ODBMS) for Java with built in JPA 2 support.