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72

Internal exception when updating date filed (TemporalType.DATE)

Internal exception when updating date filed (TemporalType.DATE)
72

ClassNotFoundException Stack Traces in the Log File

ClassNotFoundException Stack Traces in the Log File
72

odb file size doesn't shrink

odb file size doesn't shrink
72

Wrong data stored in date only fileds

Wrong data stored in date only fileds
14

[Explorer] Editing Database Files

[Explorer] Editing Database Files
13

Server Configuration

is affected also by other elements in the configuration file, particularly the <users> and the <ssl> configuration elements. The default configuration file contains the following <server> element: <server> <connection port="6136" max="0" /> <data path="$objectdb/db-files
11

Obtaining a JPA Database Connection

to get an EntityManager instance. JPA requires the definition of a persistence unit in an XML file in order ... persistence unit in an XML file or you can simply provide the file path of the ObjectDB database ... unit name as an argument, but when using ObjectDB, any valid database file path (absolute or relative
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Step 2: Entity Class and Persistence Unit

the project (under Java Resources: src > guest). Use copy and paste to replace the new source file ... /persistence.xml file: Open the [New Folder] dialog box, e.g. by right clicking the project node (in ... > File, enter persistence.xml as file name and click Finish. Verify that a new persistence.xml file
2

Step 2: Entity Class and Persistence Unit

the [Provider and Database] step just click Finish to generate a default persistence.xml file ... to replace the new source file content with the following code: package guest; import java.io ... file that was added to the project (under Configuration Files). Open the persistence.xml file in
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Step 2: Entity Class and Persistence Unit

: src/main/java > guest). Use copy and paste to replace the new source file content ... guests in the database. We also need to configure JPA by setting a META-INF/persistence.xml file ... the new META-INF folder in the [Project Explorer] window, select New > File, enter persistence.xml as

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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