ObjectDB ObjectDB

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4

Database Explorer

general information about the database and the bottom sub window displays a list of bookmarked entity ... three tabbed pages: [General], [Fonts] and [Views]. The [General] Page The [General] page contains
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Database Management Settings

default, the recovery file is generated in the directory of the database file, but any ... to the caller. By default, a recording subdirectory is generated in the directory of the database file ... are generated by running the Activator utility: > java -cp objectdb.jar com.objectdb.Activator from
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Database Transaction Replayer

default, the recording directory is generated in the directory that contains the database file ... files and tries to apply all the recorded operations. The resulting database file is also generated in ... succeeds, and all the operations until transaction 1000 are applied, the generated result file is expected to be 1000.odb.
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JPA Persistable Types

.util.Date and java.util.Calendar types, on the other hand, are generic and can represent any ... multi dimensional arrays). Both generic (e.g. ArrayList<String>) and non generic (e.g. ArrayList
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JPA Persistence Unit

elements specify general properties. JPA 2 defines standard properties for specifying database url ... generators and named queries (by annotations). Otherwise, the generators and named queries
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javax.persistence.TableGenerator

get methods) Defines a primary key generator that may be referenced by name when a generator element is specified for the GeneratedValue annotation. A table generator may be specified on the entity class or on the primary key field or property. The scope of the generator name is global to the persistence
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ObjectDB-2.6.9: Failed to commit transaction: Failed to set numeric value of field property Element.id using reflection

The following error is reported for objectdb-2.6.9.jar: Failed to commit transaction: Failed ... it will report: Java/JVM version: 1.8 Java/JVM detail version: 1.8.0_74 ObjectDB enhancer: begin ... . --- This is high priority for me; the same error (and another one to be reported following
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Apache License, Version 2.0, January 2004

to compiled object code, generated documentation, and conversions to other media types. "Work" shall ... , if provided along with the Derivative Works; or, within a display generated by the Derivative Works
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Step 5: Add a JSP Page

In this step we will add the JSP that generates the guestbook HTML output: Open the [New JSP File] dialog box by right clicking the WEB-INF node under the Web Pages node (in the [Projects] window ... > </html> The JSP generates the guestbook page output, which contains a simple form for signing
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javax.jdo.JDOFatalInternalException

for which no user error handling is possible. The error should be reported to the JDO vendor for corrective ... this method. Generally speaking, the array returned by this method will contain one element ... that is either generated by fillInStackTrace() when a throwable is constructed or deserialized

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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