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Posted to dev@openjpa.apache.org by "Jianfeng Mao (JIRA)" <ji...@apache.org> on 2008/11/27 17:42:44 UTC
[jira] Created: (OPENJPA-795) enhancer throws an exception when
parsing column name "first.name" because it thinks 'first' is a table name
enhancer throws an exception when parsing column name "first.name" because it thinks 'first' is a table name
------------------------------------------------------------------------------------------------------------
Key: OPENJPA-795
URL: https://issues.apache.org/jira/browse/OPENJPA-795
Project: OpenJPA
Issue Type: Bug
Components: jdbc
Affects Versions: 1.2.0
Environment: Windows XP, Eclipse 3.4 SR1, OpenJPA-1.2.0, IBM U2JPA-1.0.0, IBM U2 databases
Reporter: Jianfeng Mao
Priority: Critical
IBM U2JPA is a JPA implementation based on OpenJPA for IBM U2 Databases. IBM U2 Databases allow the use of '.' in the column names, such as "FIRST.NAME', "LAST.NAME", "PURCHASE.DATE". This causes the enhancer to exception out when parsing these column names, as shown below. We have tried, in our implementation, to change the catalogSeparator to different values than '.' to prevent the enhancer from breaking the above names into 'tablename'.'columnname'. But nothing worked. Later i found the following code in openjpa\jdbc\meta\mappinginfo.java, clearly the separator is hardcoded as '.'. I set the priority of this issue to 'critical' because this problem has severely impacted the adoption of U2JPA by our customers.
mergeColumn(.........)
{
int dotIdx = colName.lastIndexOf('.');
if (dotIdx == 0)
colName = colName.substring(1);
else if (dotIdx != -1) {
findTable(context, colName.substring(0, dotIdx), table,
null, null);
colName = colName.substring(dotIdx + 1);
}
.............
}
class U2Dictionary extends DBDictionary {
private ArrayList<U2DictRecord> u2fields = new ArrayList<U2DictRecord>();
U2Dictionary() {
platform = "IBM U2";
catalogSeparator = ":";
}
..........
@Entity
@Table(name="CUSTOMER")
public class Customer implements Serializable {
@Id
@Column(name="@ID")
private String _id;
@Column(name="FIRST.NAME")
private String name;
public Customer(){};
public String get_id() {
return _id;
}
public void set_id(String _id) {
this._id = _id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
Exception in thread "main" <openjpa-1.2.0-r422266:683325 fatal user error> org.apache.openjpa.persistence.ArgumentException: When mapping "u2u.u2jpa.demo1.Customer.name" to table "CUSTOMER", found a column mapped to illegal table "FIRST".
at org.apache.openjpa.jdbc.meta.MappingInfo.findTable(MappingInfo.java:743)
at org.apache.openjpa.jdbc.meta.MappingInfo.mergeColumn(MappingInfo.java:583)
at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:518)
at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
at org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy.map(StringFieldStrategy.java:79)
at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:855)
at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:339)
at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:662)
at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:549)
at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
at org.apache.openjpa.kernel.BrokerImpl.newObjectId(BrokerImpl.java:1114)
at org.apache.openjpa.kernel.DelegatingBroker.newObjectId(DelegatingBroker.java:268)
at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:451)
at u2u.u2jpa.demo1.Demo1Main.main(Demo1Main.java:24)
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[jira] Updated: (OPENJPA-795) enhancer throws an exception when
parsing column name "first.name" because it thinks 'first' is a table name
Posted by "Catalina Wei (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Catalina Wei updated OPENJPA-795:
---------------------------------
Attachment: OPENJPA-795.patch
Jianfeng,
could you verify if attached patch fix the problem ?
This patch can be applied against 1.2.x or 1.3.x branches.
Catalina
> enhancer throws an exception when parsing column name "first.name" because it thinks 'first' is a table name
> ------------------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-795
> URL: https://issues.apache.org/jira/browse/OPENJPA-795
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 1.2.0
> Environment: Windows XP, Eclipse 3.4 SR1, OpenJPA-1.2.0, IBM U2JPA-1.0.0, IBM U2 databases
> Reporter: Jianfeng Mao
> Assignee: Catalina Wei
> Priority: Critical
> Attachments: OPENJPA-795.patch
>
>
> IBM U2JPA is a JPA implementation based on OpenJPA for IBM U2 Databases. IBM U2 Databases allow the use of '.' in the column names, such as "FIRST.NAME', "LAST.NAME", "PURCHASE.DATE". This causes the enhancer to exception out when parsing these column names, as shown below. We have tried, in our implementation, to change the catalogSeparator to different values than '.' to prevent the enhancer from breaking the above names into 'tablename'.'columnname'. But nothing worked. Later i found the following code in openjpa\jdbc\meta\mappinginfo.java, clearly the separator is hardcoded as '.'. I set the priority of this issue to 'critical' because this problem has severely impacted the adoption of U2JPA by our customers.
> mergeColumn(.........)
> {
> int dotIdx = colName.lastIndexOf('.');
> if (dotIdx == 0)
> colName = colName.substring(1);
> else if (dotIdx != -1) {
> findTable(context, colName.substring(0, dotIdx), table,
> null, null);
> colName = colName.substring(dotIdx + 1);
> }
> .............
> }
> class U2Dictionary extends DBDictionary {
> private ArrayList<U2DictRecord> u2fields = new ArrayList<U2DictRecord>();
> U2Dictionary() {
> platform = "IBM U2";
> catalogSeparator = ":";
> }
> ..........
> @Entity
> @Table(name="CUSTOMER")
> public class Customer implements Serializable {
> @Id
> @Column(name="@ID")
> private String _id;
> @Column(name="FIRST.NAME")
> private String name;
> public Customer(){};
> public String get_id() {
> return _id;
> }
> public void set_id(String _id) {
> this._id = _id;
> }
> public String getName() {
> return name;
> }
> public void setName(String name) {
> this.name = name;
> }
> }
> Exception in thread "main" <openjpa-1.2.0-r422266:683325 fatal user error> org.apache.openjpa.persistence.ArgumentException: When mapping "u2u.u2jpa.demo1.Customer.name" to table "CUSTOMER", found a column mapped to illegal table "FIRST".
> at org.apache.openjpa.jdbc.meta.MappingInfo.findTable(MappingInfo.java:743)
> at org.apache.openjpa.jdbc.meta.MappingInfo.mergeColumn(MappingInfo.java:583)
> at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:518)
> at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
> at org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy.map(StringFieldStrategy.java:79)
> at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
> at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
> at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:855)
> at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:339)
> at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:662)
> at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:549)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
> at org.apache.openjpa.kernel.BrokerImpl.newObjectId(BrokerImpl.java:1114)
> at org.apache.openjpa.kernel.DelegatingBroker.newObjectId(DelegatingBroker.java:268)
> at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:451)
> at u2u.u2jpa.demo1.Demo1Main.main(Demo1Main.java:24)
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[jira] Resolved: (OPENJPA-795) enhancer throws an exception when
parsing column name "first.name" because it thinks 'first' is a table name
Posted by "Catalina Wei (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Catalina Wei resolved OPENJPA-795.
----------------------------------
Resolution: Fixed
Fix Version/s: 2.0.0
1.3.0
patch committed under r724815 ( 1.3.x branch ) , r724817 (trunk).
> enhancer throws an exception when parsing column name "first.name" because it thinks 'first' is a table name
> ------------------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-795
> URL: https://issues.apache.org/jira/browse/OPENJPA-795
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 1.2.0
> Environment: Windows XP, Eclipse 3.4 SR1, OpenJPA-1.2.0, IBM U2JPA-1.0.0, IBM U2 databases
> Reporter: Jianfeng Mao
> Assignee: Catalina Wei
> Priority: Critical
> Fix For: 1.3.0, 2.0.0
>
> Attachments: OPENJPA-795.patch
>
>
> IBM U2JPA is a JPA implementation based on OpenJPA for IBM U2 Databases. IBM U2 Databases allow the use of '.' in the column names, such as "FIRST.NAME', "LAST.NAME", "PURCHASE.DATE". This causes the enhancer to exception out when parsing these column names, as shown below. We have tried, in our implementation, to change the catalogSeparator to different values than '.' to prevent the enhancer from breaking the above names into 'tablename'.'columnname'. But nothing worked. Later i found the following code in openjpa\jdbc\meta\mappinginfo.java, clearly the separator is hardcoded as '.'. I set the priority of this issue to 'critical' because this problem has severely impacted the adoption of U2JPA by our customers.
> mergeColumn(.........)
> {
> int dotIdx = colName.lastIndexOf('.');
> if (dotIdx == 0)
> colName = colName.substring(1);
> else if (dotIdx != -1) {
> findTable(context, colName.substring(0, dotIdx), table,
> null, null);
> colName = colName.substring(dotIdx + 1);
> }
> .............
> }
> class U2Dictionary extends DBDictionary {
> private ArrayList<U2DictRecord> u2fields = new ArrayList<U2DictRecord>();
> U2Dictionary() {
> platform = "IBM U2";
> catalogSeparator = ":";
> }
> ..........
> @Entity
> @Table(name="CUSTOMER")
> public class Customer implements Serializable {
> @Id
> @Column(name="@ID")
> private String _id;
> @Column(name="FIRST.NAME")
> private String name;
> public Customer(){};
> public String get_id() {
> return _id;
> }
> public void set_id(String _id) {
> this._id = _id;
> }
> public String getName() {
> return name;
> }
> public void setName(String name) {
> this.name = name;
> }
> }
> Exception in thread "main" <openjpa-1.2.0-r422266:683325 fatal user error> org.apache.openjpa.persistence.ArgumentException: When mapping "u2u.u2jpa.demo1.Customer.name" to table "CUSTOMER", found a column mapped to illegal table "FIRST".
> at org.apache.openjpa.jdbc.meta.MappingInfo.findTable(MappingInfo.java:743)
> at org.apache.openjpa.jdbc.meta.MappingInfo.mergeColumn(MappingInfo.java:583)
> at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:518)
> at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
> at org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy.map(StringFieldStrategy.java:79)
> at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
> at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
> at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:855)
> at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:339)
> at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:662)
> at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:549)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
> at org.apache.openjpa.kernel.BrokerImpl.newObjectId(BrokerImpl.java:1114)
> at org.apache.openjpa.kernel.DelegatingBroker.newObjectId(DelegatingBroker.java:268)
> at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:451)
> at u2u.u2jpa.demo1.Demo1Main.main(Demo1Main.java:24)
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[jira] Commented: (OPENJPA-795) enhancer throws an exception when
parsing column name "first.name" because it thinks 'first' is a table name
Posted by "Catalina Wei (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-795?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12654013#action_12654013 ]
Catalina Wei commented on OPENJPA-795:
--------------------------------------
Hi Jianfeng,
If shcmea name is 'TEST', table name is 'EMPLOYEE', column name is 'FIRST.LAST',
is the fully qualified column name in U2 is following or not (using ':' as the catalog separator in between schema and table names; and table and column names:
TEST:EMPLOYEE:FIRST.LAST
please verify before I can provide you with a patch.
Catalina
> enhancer throws an exception when parsing column name "first.name" because it thinks 'first' is a table name
> ------------------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-795
> URL: https://issues.apache.org/jira/browse/OPENJPA-795
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 1.2.0
> Environment: Windows XP, Eclipse 3.4 SR1, OpenJPA-1.2.0, IBM U2JPA-1.0.0, IBM U2 databases
> Reporter: Jianfeng Mao
> Assignee: Catalina Wei
> Priority: Critical
>
> IBM U2JPA is a JPA implementation based on OpenJPA for IBM U2 Databases. IBM U2 Databases allow the use of '.' in the column names, such as "FIRST.NAME', "LAST.NAME", "PURCHASE.DATE". This causes the enhancer to exception out when parsing these column names, as shown below. We have tried, in our implementation, to change the catalogSeparator to different values than '.' to prevent the enhancer from breaking the above names into 'tablename'.'columnname'. But nothing worked. Later i found the following code in openjpa\jdbc\meta\mappinginfo.java, clearly the separator is hardcoded as '.'. I set the priority of this issue to 'critical' because this problem has severely impacted the adoption of U2JPA by our customers.
> mergeColumn(.........)
> {
> int dotIdx = colName.lastIndexOf('.');
> if (dotIdx == 0)
> colName = colName.substring(1);
> else if (dotIdx != -1) {
> findTable(context, colName.substring(0, dotIdx), table,
> null, null);
> colName = colName.substring(dotIdx + 1);
> }
> .............
> }
> class U2Dictionary extends DBDictionary {
> private ArrayList<U2DictRecord> u2fields = new ArrayList<U2DictRecord>();
> U2Dictionary() {
> platform = "IBM U2";
> catalogSeparator = ":";
> }
> ..........
> @Entity
> @Table(name="CUSTOMER")
> public class Customer implements Serializable {
> @Id
> @Column(name="@ID")
> private String _id;
> @Column(name="FIRST.NAME")
> private String name;
> public Customer(){};
> public String get_id() {
> return _id;
> }
> public void set_id(String _id) {
> this._id = _id;
> }
> public String getName() {
> return name;
> }
> public void setName(String name) {
> this.name = name;
> }
> }
> Exception in thread "main" <openjpa-1.2.0-r422266:683325 fatal user error> org.apache.openjpa.persistence.ArgumentException: When mapping "u2u.u2jpa.demo1.Customer.name" to table "CUSTOMER", found a column mapped to illegal table "FIRST".
> at org.apache.openjpa.jdbc.meta.MappingInfo.findTable(MappingInfo.java:743)
> at org.apache.openjpa.jdbc.meta.MappingInfo.mergeColumn(MappingInfo.java:583)
> at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:518)
> at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
> at org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy.map(StringFieldStrategy.java:79)
> at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
> at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
> at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:855)
> at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:339)
> at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:662)
> at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:549)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
> at org.apache.openjpa.kernel.BrokerImpl.newObjectId(BrokerImpl.java:1114)
> at org.apache.openjpa.kernel.DelegatingBroker.newObjectId(DelegatingBroker.java:268)
> at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:451)
> at u2u.u2jpa.demo1.Demo1Main.main(Demo1Main.java:24)
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[jira] Assigned: (OPENJPA-795) enhancer throws an exception when
parsing column name "first.name" because it thinks 'first' is a table name
Posted by "Catalina Wei (JIRA)" <ji...@apache.org>.
[ https://issues.apache.org/jira/browse/OPENJPA-795?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Catalina Wei reassigned OPENJPA-795:
------------------------------------
Assignee: Catalina Wei
> enhancer throws an exception when parsing column name "first.name" because it thinks 'first' is a table name
> ------------------------------------------------------------------------------------------------------------
>
> Key: OPENJPA-795
> URL: https://issues.apache.org/jira/browse/OPENJPA-795
> Project: OpenJPA
> Issue Type: Bug
> Components: jdbc
> Affects Versions: 1.2.0
> Environment: Windows XP, Eclipse 3.4 SR1, OpenJPA-1.2.0, IBM U2JPA-1.0.0, IBM U2 databases
> Reporter: Jianfeng Mao
> Assignee: Catalina Wei
> Priority: Critical
>
> IBM U2JPA is a JPA implementation based on OpenJPA for IBM U2 Databases. IBM U2 Databases allow the use of '.' in the column names, such as "FIRST.NAME', "LAST.NAME", "PURCHASE.DATE". This causes the enhancer to exception out when parsing these column names, as shown below. We have tried, in our implementation, to change the catalogSeparator to different values than '.' to prevent the enhancer from breaking the above names into 'tablename'.'columnname'. But nothing worked. Later i found the following code in openjpa\jdbc\meta\mappinginfo.java, clearly the separator is hardcoded as '.'. I set the priority of this issue to 'critical' because this problem has severely impacted the adoption of U2JPA by our customers.
> mergeColumn(.........)
> {
> int dotIdx = colName.lastIndexOf('.');
> if (dotIdx == 0)
> colName = colName.substring(1);
> else if (dotIdx != -1) {
> findTable(context, colName.substring(0, dotIdx), table,
> null, null);
> colName = colName.substring(dotIdx + 1);
> }
> .............
> }
> class U2Dictionary extends DBDictionary {
> private ArrayList<U2DictRecord> u2fields = new ArrayList<U2DictRecord>();
> U2Dictionary() {
> platform = "IBM U2";
> catalogSeparator = ":";
> }
> ..........
> @Entity
> @Table(name="CUSTOMER")
> public class Customer implements Serializable {
> @Id
> @Column(name="@ID")
> private String _id;
> @Column(name="FIRST.NAME")
> private String name;
> public Customer(){};
> public String get_id() {
> return _id;
> }
> public void set_id(String _id) {
> this._id = _id;
> }
> public String getName() {
> return name;
> }
> public void setName(String name) {
> this.name = name;
> }
> }
> Exception in thread "main" <openjpa-1.2.0-r422266:683325 fatal user error> org.apache.openjpa.persistence.ArgumentException: When mapping "u2u.u2jpa.demo1.Customer.name" to table "CUSTOMER", found a column mapped to illegal table "FIRST".
> at org.apache.openjpa.jdbc.meta.MappingInfo.findTable(MappingInfo.java:743)
> at org.apache.openjpa.jdbc.meta.MappingInfo.mergeColumn(MappingInfo.java:583)
> at org.apache.openjpa.jdbc.meta.MappingInfo.createColumns(MappingInfo.java:518)
> at org.apache.openjpa.jdbc.meta.ValueMappingInfo.getColumns(ValueMappingInfo.java:143)
> at org.apache.openjpa.jdbc.meta.strats.StringFieldStrategy.map(StringFieldStrategy.java:79)
> at org.apache.openjpa.jdbc.meta.FieldMapping.setStrategy(FieldMapping.java:121)
> at org.apache.openjpa.jdbc.meta.RuntimeStrategyInstaller.installStrategy(RuntimeStrategyInstaller.java:80)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolveMapping(FieldMapping.java:454)
> at org.apache.openjpa.jdbc.meta.FieldMapping.resolve(FieldMapping.java:419)
> at org.apache.openjpa.jdbc.meta.ClassMapping.resolveNonRelationMappings(ClassMapping.java:855)
> at org.apache.openjpa.jdbc.meta.MappingRepository.prepareMapping(MappingRepository.java:339)
> at org.apache.openjpa.meta.MetaDataRepository.preMapping(MetaDataRepository.java:662)
> at org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:549)
> at org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:308)
> at org.apache.openjpa.kernel.BrokerImpl.newObjectId(BrokerImpl.java:1114)
> at org.apache.openjpa.kernel.DelegatingBroker.newObjectId(DelegatingBroker.java:268)
> at org.apache.openjpa.persistence.EntityManagerImpl.find(EntityManagerImpl.java:451)
> at u2u.u2jpa.demo1.Demo1Main.main(Demo1Main.java:24)
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