@EmbeddedId class having only one field java.sql.Data
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Key: OPENJPA-1793
URL: https://issues.apache.org/jira/browse/OPENJPA-1793
Project: OpenJPA
Issue Type: Bug
Components: jdbc
Affects Versions: 2.0.1
Reporter: Hiroyuki Nakamura
Priority: Minor
@EmbeddedId class having only one field java.sql.Data
I become the error such as follows.
---------------------
Exception in thread "main" <openjpa-2.0.1-r422266:989424 nonfatal user error>
org.apache.openjpa.persistence.ArgumentException: Failed to execute query
"SELECT m FROM Mzeiritsu m WHERE m.key.tekiyoKaishiYmd = (SELECT
MAX(m2.key.tekiyoKaishiYmd) FROM Mzeiritsu m2 WHERE m2.key.tekiyoKaishiYmd <
'2010-08-01')". Check the query syntax for correctness. See nested exception
for details.
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:870)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:792)
at
org.apache.openjpa.kernel.DelegatingQuery.execute(DelegatingQuery.java:542)
at org.apache.openjpa.persistence.QueryImpl.execute(QueryImpl.java:288)
at
org.apache.openjpa.persistence.QueryImpl.getResultList(QueryImpl.java:302)
at itso.bank.entities.test.EntityTester.main(EntityTester.java:40)
Caused by: java.lang.ClassCastException: [Ljava.lang.Object; incompatible with
java.util.Calendar
at
org.apache.openjpa.jdbc.sql.ResultSetResult.getObjectInternal(ResultSetResult.java:431)
at
org.apache.openjpa.jdbc.sql.AbstractResult.getObject(AbstractResult.java:696)
at
org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy.getPrimaryKeyValue(HandlerFieldStrategy.java:315)
at
org.apache.openjpa.jdbc.meta.ClassMapping.getObjectId(ClassMapping.java:187)
at
org.apache.openjpa.jdbc.meta.ClassMapping.getObjectId(ClassMapping.java:146)
at
org.apache.openjpa.jdbc.kernel.JDBCStoreManager.load(JDBCStoreManager.java:1020)
at
org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:280)
at
org.apache.openjpa.jdbc.sql.SelectImpl$SelectResult.load(SelectImpl.java:2344)
at
org.apache.openjpa.jdbc.sql.AbstractResult.load(AbstractResult.java:274)
at
org.apache.openjpa.jdbc.kernel.InstanceResultObjectProvider.getResultObject(InstanceResultObjectProvider.java:59)
at
org.apache.openjpa.lib.rop.EagerResultList.<init>(EagerResultList.java:36)
at org.apache.openjpa.kernel.QueryImpl.toResult(QueryImpl.java:1246)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:1005)
at org.apache.openjpa.kernel.QueryImpl.execute(QueryImpl.java:861)
... 5 more
---------------------
315th line of HandlerFieldStrategy class
field.getHandler().getResultArgument(field)
The return value of the method is object array.
Therefore an error occurs at a 431th line of ResultSetResult.
---------------------
[org.apache.openjpa.jdbc.meta.strats.HandlerFieldStrategy]
....
public Object getPrimaryKeyValue(Result res, Column[] cols, ForeignKey fk,
JDBCStore store, Joins joins)
throws SQLException {
Column col;
Object val = null;
if (cols.length == 1) {
col = cols[0];
if (fk != null)
col = fk.getColumn(col);
val = res.getObject(col, field.getHandler().
getResultArgument(field), joins);
} else if (cols.length > 1) {
Object[] vals = new Object[cols.length];
Object[] args = (Object[]) field.getHandler().
getResultArgument(field);
for (int i = 0; i < vals.length; i++) {
col = cols[i];
if (fk != null)
col = fk.getColumn(col);
vals[i] = res.getObject(col, (args == null) ? null : args[i],
joins);
}
val = vals;
}
return field.getHandler().toObjectValue(field, val);
}
....
---------------------
---------------------
[org.apache.openjpa.jdbc.sql.ResultSetResult]
....
case JavaSQLTypes.SQL_DATE:
return getDateInternal(obj, (Calendar) arg, joins);
....
---------------------
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