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Re: [eclipselink-users] A Join table with additional columns. Eclipselink 2.0.1
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Den 18.05.2010 20:43, skrev James Sutherland:
Could you include the code you have so far, and the exception and stack that
you are currently getting.
Sorry for the long response time, had a final exam on friday.
I've messed back and forth with this code so I've probably added some
more "undocumented features".
http://pastebin.com/L7MQLhzv - ZenCategory
http://pastebin.com/7Ww6fNAT - ZenLanguage
http://pastebin.com/75KH6r7F - ZenCategoryDescription
http://pastebin.com/DRf5t9HJ - ZenCategoryDescriptionLanguageId
Stacktrace:
[EL Warning]: 2010-05-22
20:40:27.686--ServerSession(861445718)--Exception [EclipseLink-4002]
(Eclipse Persistence Services - 2.0.1.v20100213-r6600):
org.eclipse.persistence.exceptions.DatabaseException
Internal Exception:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown
column 'CATEGORY_categories_id' in 'field list'
Exception in thread "main" Local Exception Stack:
Error Code: 1054
Call: SELECT categories_id, language_id, categories_description,
categories_name, CATEGORY_categories_id FROM zen_categories_description
WHERE (CATEGORY_categories_id = ?)
bind => [22]
Query: ReadAllQuery(name="descriptions"
referenceClass=ZenCategoryDescription sql="SELECT categories_id,
language_id, categories_description, categories_name,
CATEGORY_categories_id FROM zen_categories_description WHERE
(CATEGORY_categories_id = ?)")
Exception [EclipseLink-4002] (Eclipse Persistence Services -
2.0.1.v20100213-r6600): org.eclipse.persistence.exceptions.DatabaseException
Internal Exception:
com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown
column 'CATEGORY_categories_id' in 'field list'
Error Code: 1054
Call: SELECT categories_id, language_id, categories_description,
categories_name, CATEGORY_categories_id FROM zen_categories_description
WHERE (CATEGORY_categories_id = ?)
bind => [22]
Query: ReadAllQuery(name="descriptions"
referenceClass=ZenCategoryDescription sql="SELECT categories_id,
language_id, categories_description, categories_name,
CATEGORY_categories_id FROM zen_categories_description WHERE
(CATEGORY_categories_id = ?)")
at
org.eclipse.persistence.exceptions.DatabaseException.sqlException(DatabaseException.java:333)
at
org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:687)
at
org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeCall(DatabaseAccessor.java:530)
at
org.eclipse.persistence.sessions.server.ServerSession.executeCall(ServerSession.java:529)
at
org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:205)
at
org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeCall(DatasourceCallQueryMechanism.java:191)
at
org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.executeSelectCall(DatasourceCallQueryMechanism.java:262)
at
org.eclipse.persistence.internal.queries.DatasourceCallQueryMechanism.selectAllRows(DatasourceCallQueryMechanism.java:618)
at
org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.selectAllRowsFromTable(ExpressionQueryMechanism.java:2537)
at
org.eclipse.persistence.internal.queries.ExpressionQueryMechanism.selectAllRows(ExpressionQueryMechanism.java:2496)
at
org.eclipse.persistence.queries.ReadAllQuery.executeObjectLevelReadQuery(ReadAllQuery.java:455)
at
org.eclipse.persistence.queries.ObjectLevelReadQuery.executeDatabaseQuery(ObjectLevelReadQuery.java:997)
at
org.eclipse.persistence.queries.DatabaseQuery.execute(DatabaseQuery.java:675)
at
org.eclipse.persistence.queries.ObjectLevelReadQuery.execute(ObjectLevelReadQuery.java:958)
at
org.eclipse.persistence.queries.ReadAllQuery.execute(ReadAllQuery.java:432)
at
org.eclipse.persistence.internal.sessions.AbstractSession.internalExecuteQuery(AbstractSession.java:2322)
at
org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1225)
at
org.eclipse.persistence.internal.sessions.AbstractSession.executeQuery(AbstractSession.java:1207)
at
org.eclipse.persistence.internal.indirection.QueryBasedValueHolder.instantiate(QueryBasedValueHolder.java:85)
at
org.eclipse.persistence.internal.indirection.QueryBasedValueHolder.instantiate(QueryBasedValueHolder.java:75)
at
org.eclipse.persistence.internal.indirection.DatabaseValueHolder.getValue(DatabaseValueHolder.java:83)
at
org.eclipse.persistence.internal.indirection.UnitOfWorkValueHolder.instantiateImpl(UnitOfWorkValueHolder.java:161)
at
org.eclipse.persistence.internal.indirection.UnitOfWorkValueHolder.instantiate(UnitOfWorkValueHolder.java:230)
at
org.eclipse.persistence.internal.indirection.DatabaseValueHolder.getValue(DatabaseValueHolder.java:83)
at
org.eclipse.persistence.indirection.IndirectList.buildDelegate(IndirectList.java:237)
at
org.eclipse.persistence.indirection.IndirectList.getDelegate(IndirectList.java:397)
at
org.eclipse.persistence.indirection.IndirectList.size(IndirectList.java:726)
at
com.superheltfabrikken.dbaccess.zencart.ZenCategory.getName(ZenCategory.java:30)
at cincusjpaexperimenting.Main.main(Main.java:32)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException:
Unknown column 'CATEGORY_categories_id' in 'field list'
at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
at com.mysql.jdbc.Util.getInstance(Util.java:381)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1030)
at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3536)
at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3468)
at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1957)
at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2107)
at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2648)
at
com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:2086)
at
com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2237)
at
org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.executeSelect(DatabaseAccessor.java:892)
at
org.eclipse.persistence.internal.databaseaccess.DatabaseAccessor.basicExecuteCall(DatabaseAccessor.java:602)
... 27 more
Java Result: 1
--
Regards
Christian Michelsen
