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12

Embedding ObjectDB on server application

at the connection file path for the persistent factory. So if I want to pass in the database file path, with relative path, where exactly is it relative to? So I did a test and just wrote ... . JPA is available but not ObjectDB). It could also happen if the path that you specify is not
12

Degrading performance overtime

--> <objectdb> <general> <temp path="$temp/ObjectDB" threshold="64mb" /> <network inactivity-timeout="0" /> <url-history size="50" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false" /> <log-archive path="$objectdb/log/archive/" retain
11

ObjectDb.conf Defaults

under "General". <objectdb> <general> <!-- error if missing <temp path="$temp/ObjectDb" threshold ... -history size="0" user="false" password="false" /> --> <!-- error if missing <log path="" max="8mb" stdout="false" stderr="false" /> --> <!-- error if missing <log-archive path="$objectdb/log
11

ObjectDB Enincompatible with Quarkus?

> <general> <temp path="$temp/ObjectDB" threshold="100mb" /> <network inactivity-timeout="0" /> <url-history size="50" user="true" password="true" /> <log path="$objectdb/log/" max="100mb" stdout="false" stderr="true" /> <log-archive path="$objectdb/log/archive
11

Check for index existence ?

side). support Support I am using the embedded mode. My objectdb.conf <log path="/var/lib/tomcat7/logs/objectdb" max="8mb" stdout="true" stderr="true" /> <log-archive path="/var/lib/tomcat7/objectdb/archive/" retain="330" /> Any error ? xirt Sylvain It should be:     <log path="/var/lib/tomcat7
10

Replication failed

.createEntityManager(EMF.java:176) My objectdb.conf: <general> <temp path="$temp/ObjectDB" threshold="64mb" /> <network inactivity-timeout="0" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false" /> <log-archive path="$objectdb/log/archive/" retain="90" /> <logger name
10

Occasionally slow requests in load testing

is as follows: <general> <temp path="$temp/ObjectDB" threshold="8mb" /> <network inactivity-timeout="0" /> <url-history size="50" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false" /> <log-archive path="$objectdb/log/archive/" retain
2

javax.persistence.metamodel.Bindable

javax.persistence.metamodel Interface Bindable<T> Subinterfaces: CollectionAttribute, EntityType, ListAttribute, MapAttribute, PluralAttribute, SetAttribute, SingularAttribute Instances of the type Bindable represent object or attribute types that can be bound into a Path. Since: JPA 2.0 Class<T
2

Use temporary files to enable very large transactions

. The default path is $temp/ObjectDB, where $temp is the default Java temporary directory ... of these byte[] elements in the heap, as well as paths to these objects from root objects ... ' and the paths to these objects from root objects. Before the flush has been executed, the test
2

javax.persistence.criteria.Expression

javax.persistence.criteria Interface Expression<T> Superinterfaces: Selection<T>, TupleElement<T> Subinterfaces: CollectionJoin, Case, Coalesce, In, SimpleCase, From, Join, ListJoin, MapJoin, ParameterExpression, Path, PluralJoin, Predicate, Root, SetJoin, Subquery Type for query expressions

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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