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11

Replication Issue

.createEntityManagerFactory("objectdb://localhost:6001/KAKI.odb;user=admin;password=admin ... " user="true" password="true" />                 <log path="$objectdb/log/" max="8mb" stdout="false ... url="objectdb://12.345.678.910:6001/KAKI.odb;user=admin;password=admin" />         </server
11

Type xxx is not found (error 301)

The error: Type User is not found (error 301) occurs when I query the db for a type before any instances of that type have been persisted, e.g.: return em.createQuery ("SELECT a FROM User ... execution by using:     em.find(User.class, User.class); but this is not a portable JPA code
11

cache optimizing

" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false ... ="objectdb://localhost/test.odb;user=admin;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user
11

significant performance decrease

" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false ... ;user=admin;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user username
11

config optimizing

" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout="false" stderr="false ... ="objectdb://localhost/test.odb;user=admin;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path="/" permissions="access,modify,create,delete" /> </user> <user
11

locks on pure query activities

" /> <url-history size="50" user="true" password="true" /> <log path="$objectdb/log/" max="8mb" stdout ... -server enabled="true" /> <!-- <replication url="objectdb://localhost/test.odb;user=admin;password=admin" /> --> </server> <users> <user username="admin" password="admin"> <dir path
11

Performance Issues After Migrating to ObjectDB - Urgent Assistance Required

" />                 <url-history size="50" user="true" password="true" />                 <log path="$objectdb ... " />                 <!--                 <replication url="objectdb://localhost/test.odb;user=admin;password=admin" />                 -->         </server>         <users>                 <user username="admin
11

Query results are not up to date for entities, not primitives

="64mb" />   <network inactivity-timeout="0" />   <url-history size="50" user="true" password ... ;user=XXXXX;password=XXXXX" />   --> </server> <users>   <user username="XXXXX" password="XXXXX">    <dir path="/" permissions="access,modify,create,delete" />   </user>   <user username
0

setBooleanField(pc, field, currentValue, newValue)

Method javax.jdo.spi.StateManager void setBooleanField( PersistenceCapable pc, int field, boolean currentValue, boolean newValue ) Mark the field as modified by the user. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field
0

setCharField(pc, field, currentValue, newValue)

Method javax.jdo.spi.StateManager void setCharField( PersistenceCapable pc, int field, char currentValue, char newValue ) Mark the field as modified by the user. Parameters: pc - the calling PersistenceCapable instance field - the field number currentValue - the current value of the field newValue - the proposed new value of the field Since: JDO 1.0

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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