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From Alexey Romanov <alexey.v.roma...@gmail.com>
Subject Re: Change of MappingDefaults breaks OPENJPA_SEQUENCE_TABLE
Date Wed, 13 Jun 2012 06:21:21 GMT
> Are you saying that without your ImprovedMappingDefaults class, everything 
is working okay?

Yes. Also just checked that if I use ImprovedMappingDefaults class, but
comment out all methods so it doesn't override anything, it works fine.

> Dumb question, 
are you sure your persistence.xml that has the SynchronizeMappings property 
is in use?

Yes, sure :) Just double-checked with using Trace for all logging.

> You could turn on Trace and check to see if the tables are maybe being 
created under a different schema, or some other processing that is 
unexpected or not consistent. 

In fact, tables are _not_ created at all. (I should have mentioned it
before, but I already had SQL=Trace for testing). 

Looking at JUnit panel has shown something interesting. Don't know why it
wasn't present in the console output, but there is a different exception
there:


<openjpa-2.2.0-r422266:1244990 fatal user error>
org.apache.openjpa.persistence.ArgumentException: Errors encountered while
resolving metadata.  See nested exceptions for details.
	at
org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:668)
	at
org.apache.openjpa.meta.MetaDataRepository.getMetaDataInternal(MetaDataRepository.java:411)
	at
org.apache.openjpa.meta.MetaDataRepository.getMetaData(MetaDataRepository.java:384)
	at
org.apache.openjpa.jdbc.meta.MappingRepository.getMapping(MappingRepository.java:355)
	at
org.apache.openjpa.jdbc.meta.MappingTool.getMapping(MappingTool.java:682)
	at
org.apache.openjpa.jdbc.meta.MappingTool.buildSchema(MappingTool.java:754)
	at org.apache.openjpa.jdbc.meta.MappingTool.run(MappingTool.java:652)
	at
org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:154)
	at
org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.synchronizeMappings(JDBCBrokerFactory.java:164)
	at
org.apache.openjpa.jdbc.kernel.JDBCBrokerFactory.newBrokerImpl(JDBCBrokerFactory.java:122)
	at
org.apache.openjpa.kernel.AbstractBrokerFactory.newBroker(AbstractBrokerFactory.java:209)
	at
org.apache.openjpa.kernel.DelegatingBrokerFactory.newBroker(DelegatingBrokerFactory.java:156)
	at
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:227)
	at
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:154)
	at
org.apache.openjpa.persistence.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:60)
	at
ru.focusmedia.odp.server.datastore.jpa.repository.RepositoryTest.setEM(RepositoryTest.java:104)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
	at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
	at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:27)
	at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
	at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
	at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:47)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
	at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
	at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
	at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50)
	at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
	at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: <openjpa-2.2.0-r422266:1244990 nonfatal user error>
org.apache.openjpa.persistence.ArgumentException: The column "version" in a
unique constraint in
"ru.focusmedia.odp.server.datastore.jpa.entity.OdpObjectClassEntity" on
table "object_classes" can not be found in the list of available columns
"[ID, ABSTRACT, "display_name", "internal", NAME, PROVIDER_KIND,
"provider_name", "version", SUPERCLASS]".
	at
org.apache.openjpa.jdbc.meta.ClassMappingInfo.getUniques(ClassMappingInfo.java:520)
	at
org.apache.openjpa.jdbc.meta.ClassMapping.resolveMapping(ClassMapping.java:873)
	at org.apache.openjpa.meta.ClassMetaData.resolve(ClassMetaData.java:1802)
	at
org.apache.openjpa.meta.MetaDataRepository.processBuffer(MetaDataRepository.java:822)
	at
org.apache.openjpa.meta.MetaDataRepository.resolveMapping(MetaDataRepository.java:777)
	at
org.apache.openjpa.meta.MetaDataRepository.resolve(MetaDataRepository.java:657)
	... 41 more

What's up with the last exception? Why can't it find a column in the list
which clearly includes it? 

Here's the entity class, in case it helps:

package ru.focusmedia.odp.server.datastore.jpa.entity;

import java.io.Serializable;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.EnumType;
import javax.persistence.Enumerated;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.ManyToOne;
import javax.persistence.MapKey;
import javax.persistence.OneToMany;
import javax.persistence.PostLoad;
import javax.persistence.Table;
import javax.persistence.Transient;
import javax.persistence.UniqueConstraint;

import ru.focusmedia.odp.server.datastore.api.objects.OdpObjectClassRecord;
import ru.focusmedia.odp.server.datastore.jpa.repository.Transform;
import ru.focusmedia.odp.server.objects.api.Attribute;
import ru.focusmedia.odp.server.objects.api.BooleanAttribute;
import ru.focusmedia.odp.server.objects.api.DateAttribute;
import ru.focusmedia.odp.server.objects.api.DoubleAttribute;
import ru.focusmedia.odp.server.objects.api.LongAttribute;
import ru.focusmedia.odp.server.objects.api.OdpObjectClass;
import ru.focusmedia.odp.server.objects.api.OdpObjectClassProviderData;
import
ru.focusmedia.odp.server.objects.api.OdpObjectClassProviderData.ClassProviderKind;
import ru.focusmedia.odp.server.objects.api.StringAttribute;

import com.google.common.collect.ImmutableList;
import com.google.common.collect.Maps;

@SuppressWarnings("serial")
@Entity
@Table(name = "object_classes", uniqueConstraints =
@UniqueConstraint(columnNames = { "name", "version" }))
public class OdpObjectClassEntity implements Serializable,
OdpObjectClassRecord {
	@Id
	@Column(name = "id", nullable = false)
	@GeneratedValue
	private Long id;

	private int version;

	@ManyToOne
	@JoinColumn(name = "superclass")
	private OdpObjectClassEntity superClass;

	@Column(name = "name", nullable = false, length = 128)
	private String name;
	
	private String displayName;

	@OneToMany(mappedBy = "objectClass", cascade = { CascadeType.PERSIST,
			CascadeType.REMOVE }, fetch = FetchType.EAGER)
	@MapKey(name = "name")
	private Map<String, StoredAttributeEntity> storedAttributes;

	@Column(name = "abstract", nullable = false)
	private boolean _abstract;

	@Column(nullable = false)
	private boolean internal;

	@Enumerated(EnumType.STRING)
	@Column(name = "provider_kind", nullable = false)
	private ClassProviderKind providerKind;

	private String providerName;

	@Transient
	private OdpObjectClass objectClass;

	public OdpObjectClassEntity() {
		super();
	}

	// FIXME doesn't support calculable attributes

	public OdpObjectClassEntity(String name, int version,
			OdpObjectClassEntity superClass, boolean _abstract,
			boolean internal, List<Attribute> attributes,
			ClassProviderKind providerKind, String providerName) {
		super();
		this.version = version;
		this.superClass = superClass;
		this.name = name;
		this._abstract = _abstract;
		this.internal = internal;
		this.providerKind = providerKind;
		this.providerName = providerName;
		this.storedAttributes =
Maps.newHashMapWithExpectedSize(attributes.size());
		for (Attribute attr : attributes) {
			StoredAttributeEntity attrEntity;
			if (attr instanceof BooleanAttribute) {
				BooleanAttribute attr1 = (BooleanAttribute) attr;
				attrEntity = new BooleanAttributeEntity(attr1, this);
			} else if (attr instanceof DoubleAttribute) {
				DoubleAttribute attr1 = (DoubleAttribute) attr;
				attrEntity = new DoubleAttributeEntity(attr1, this);
			} else if (attr instanceof DateAttribute) {
				DateAttribute attr1 = (DateAttribute) attr;
				attrEntity = new DateAttributeEntity(attr1, this);
			} else if (attr instanceof LongAttribute) {
				LongAttribute attr1 = (LongAttribute) attr;
				attrEntity = new LongAttributeEntity(attr1, this);
			} else if (attr instanceof StringAttribute) {
				StringAttribute attr1 = (StringAttribute) attr;
				attrEntity = new StringAttributeEntity(attr1, this);
			} else {
				throw new IllegalArgumentException("StoredAttribute "
						+ attr.getName() + " has unknown class: "
						+ attr.getClass().getName());
			}
			this.storedAttributes.put(attrEntity.getName(), attrEntity);
		}
	}

	public Long getId() {
		return id;
	}

	public String getName() {
		return name;
	}

	public Map<String, StoredAttributeEntity> getAttributes() {
		return Collections.unmodifiableMap(storedAttributes);
	}

	@Override
	public OdpObjectClass getObjectClass() {
		if (objectClass == null) {
			OdpObjectClass superObjectClass = superClass != null ? superClass
					.getObjectClass() : null;
			objectClass = new OdpObjectClass(name, version, superObjectClass,
					_abstract, internal, ImmutableList.<Attribute>
copyOf(Transform.attributes(storedAttributes).values()));
		}
		return objectClass;
	}

	@Override
	public String toString() {
		return "OdpObjectClassEntity [id=" + id + ", name=" + name
				+ ", version=" + version + "]";
	}

	@Override
	public OdpObjectClassProviderData getClassProvider() {
		return new OdpObjectClassProviderData(providerKind, providerName);
	}

	public StoredAttributeEntity getAttribute(String attrName) {
		return storedAttributes.get(attrName);
	}
	
	@PostLoad
	public void ensureInitialized() {
		getObjectClass();
	}

	public OdpObjectClassEntity getSuperClass() {
		return superClass;
	}

	public String getDisplayName() {
		return displayName != null ? displayName : name;
	}

	public void setDisplayName(String displayName) {
		this.displayName = displayName;
	}
}

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