[jboss-jira] [JBoss JIRA] (HIBERNATE-174) NullPointerException at org.hibernate.boot.archive.scan.spi.ClassFileArchiveEntryHandler.toClassDescriptor - Hibernate 6.0.0.Alpha4
Victor Williams Stafusa da Silva (Jira)
issues at jboss.org
Tue Apr 7 05:48:00 EDT 2020
[ https://issues.redhat.com/browse/HIBERNATE-174?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Victor Williams Stafusa da Silva updated HIBERNATE-174:
-------------------------------------------------------
Summary: NullPointerException at org.hibernate.boot.archive.scan.spi.ClassFileArchiveEntryHandler.toClassDescriptor - Hibernate 6.0.0.Alpha4 (was: NullPointerException at rg.hibernate.boot.archive.scan.spi.ClassFileArchiveEntryHandler.toClassDescriptor - Hibernate 6.0.0.Alpha4)
> NullPointerException at org.hibernate.boot.archive.scan.spi.ClassFileArchiveEntryHandler.toClassDescriptor - Hibernate 6.0.0.Alpha4
> -----------------------------------------------------------------------------------------------------------------------------------
>
> Key: HIBERNATE-174
> URL: https://issues.redhat.com/browse/HIBERNATE-174
> Project: Hibernate Integration
> Issue Type: Bug
> Reporter: Victor Williams Stafusa da Silva
> Assignee: Steve Ebersole
> Priority: Critical
>
> This code works fine in Hibernate 5.4.13.Final, but gives a NullPointerException at Hibernate 6.0.0.Alpha4:
> Test file:
> {code:title=Hbug.java|borderStyle=solid}
> package com.example;
> import java.net.URL;
> import java.util.HashMap;
> import java.util.HashSet;
> import java.util.List;
> import java.util.Map;
> import java.util.Optional;
> import java.util.Set;
> import org.apache.openjpa.persistence.OpenJPAEntityManagerFactory;
> import org.apache.openjpa.persistence.PersistenceProviderImpl;
> import org.eclipse.persistence.jpa.JpaEntityManagerFactory;
> import org.hibernate.SessionFactory;
> import org.hibernate.jpa.HibernatePersistenceProvider;
> /**
> * @author Victor Williams Stafusa da Silva
> */
> public class Hbug {
> public static void main(String[] args) {
> List.<TestSomething>of(Hbug::testHibernate, Hbug::testEclipselink, Hbug::testOpenJpa)
> .forEach(TestSomething::outer);
> }
> private interface TestSomething {
> public void inner() throws Exception;
> public default void outer() {
> try {
> inner();
> System.out.println("Ok");
> } catch (Exception e) {
> e.printStackTrace();
> }
> }
> }
> private static void testHibernate() throws Exception {
> Map<String, String> props = new HashMap<>();
> props.put("javax.persistence.jdbc.user", "sa");
> props.put("javax.persistence.jdbc.password", "");
> props.put("javax.persistence.jdbc.url", "jdbc:hsqldb:mem:test1");
> props.put("hibernate.hbm2ddl.import_files_sql_extractor", "org.hibernate.tool.hbm2ddl.MultipleLinesSqlCommandExtractor");
> props.put("javax.persistence.schema-generation.database.action", "drop-and-create");
> Set<Class<?>> entities = new HashSet<>();
> entities.add(Fruit.class);
> String pu = "test-1";
> javax.persistence.spi.PersistenceProvider pp = new HibernatePersistenceProvider();
> var spui = new SimplePersistenceUnitInfo(Optional.empty(), HibernatePersistenceProvider.class, pu, entities, props);
> var emf = pp.createContainerEntityManagerFactory(spui, props);
> if (!(emf instanceof SessionFactory)) throw new Exception("Bad EMF");
> }
> private static void testEclipselink() throws Exception {
> Map<String, String> props = new HashMap<>();
> props.put("javax.persistence.jdbc.user", "sa");
> props.put("javax.persistence.jdbc.password", "");
> props.put("javax.persistence.jdbc.url", "jdbc:hsqldb:mem:test1");
> props.put("javax.persistence.schema-generation.database.action", "drop-and-create");
> Set<Class<?>> entities = new HashSet<>();
> entities.add(Fruit.class);
> String pu = "test-1";
> javax.persistence.spi.PersistenceProvider pp = new org.eclipse.persistence.jpa.PersistenceProvider();
> var spui = new SimplePersistenceUnitInfo(Optional.of(new URL("http://0.0.0.0/")), pp.getClass(), pu, entities, props);
> var emf = pp.createContainerEntityManagerFactory(spui, props);
> if (!(emf instanceof JpaEntityManagerFactory)) throw new Exception("Bad EMF");
> }
> private static void testOpenJpa() throws Exception {
> Map<String, String> props = new HashMap<>();
> props.put("javax.persistence.jdbc.user", "sa");
> props.put("javax.persistence.jdbc.password", "");
> props.put("javax.persistence.jdbc.url", "jdbc:hsqldb:mem:test1");
> props.put("javax.persistence.jdbc.driver", "org.hsqldb.jdbc.JDBCDriver");
> props.put("javax.persistence.schema-generation.database.action", "drop-and-create");
> props.put("openjpa.DynamicEnhancementAgent", "true");
> props.put("openjpa.RuntimeUnenhancedClasses", "supported");
> Set<Class<?>> entities = new HashSet<>();
> entities.add(Fruit.class);
> String pu = "test-1";
> javax.persistence.spi.PersistenceProvider pp = new PersistenceProviderImpl();
> var spui = new SimplePersistenceUnitInfo(Optional.empty(), pp.getClass(), pu, entities, props);
> var emf = pp.createContainerEntityManagerFactory(spui, props);
> if (!(emf instanceof OpenJPAEntityManagerFactory)) throw new Exception("Bad EMF");
> }
> }
> {code}
> Utilitary class used by the above one:
> {code:title=SimplePersistenceUnitInfo.java|borderStyle=solid}
> package com.example;
> import java.io.IOException;
> import java.io.UncheckedIOException;
> import java.net.URL;
> import java.util.Collection;
> import java.util.Collections;
> import java.util.HashMap;
> import java.util.List;
> import java.util.Map;
> import java.util.Optional;
> import java.util.Properties;
> import java.util.stream.Collectors;
> import javax.persistence.SharedCacheMode;
> import javax.persistence.ValidationMode;
> import javax.persistence.spi.ClassTransformer;
> import javax.persistence.spi.PersistenceProvider;
> import javax.persistence.spi.PersistenceUnitInfo;
> import javax.persistence.spi.PersistenceUnitTransactionType;
> import javax.sql.DataSource;
> /**
> * @author Victor Williams Stafusa da Silva
> */
> public final class SimplePersistenceUnitInfo implements PersistenceUnitInfo {
> private final Optional<URL> url;
> private final Class<? extends PersistenceProvider> providerClass;
> private final String persistenceUnitName;
> private final List<String> classes;
> private final Map<String, String> properties;
> public SimplePersistenceUnitInfo(
> /*@NonNull*/ Optional<URL> url,
> /*@NonNull*/ Class<? extends PersistenceProvider> providerClass,
> /*@NonNull*/ String persistenceUnitName,
> /*@NonNull*/ Collection<Class<?>> classes,
> /*@NonNull*/ Map<String, String> properties)
> {
> this.url = url;
> this.providerClass = providerClass;
> this.persistenceUnitName = persistenceUnitName;
> this.classes = classes.stream().map(Class::getName).collect(Collectors.toList());
> this.properties = new HashMap<>();
> this.properties.putAll(properties);
> }
> @Override
> public String getPersistenceUnitName() {
> return persistenceUnitName;
> }
> @Override
> public String getPersistenceProviderClassName() {
> return providerClass.getName();
> }
> @Override
> public PersistenceUnitTransactionType getTransactionType() {
> return PersistenceUnitTransactionType.RESOURCE_LOCAL;
> }
> @Override
> //@Nullable
> public DataSource getJtaDataSource() {
> return null;
> }
> @Override
> //@Nullable
> public DataSource getNonJtaDataSource() {
> return null;
> }
> @Override
> public List<String> getMappingFileNames() {
> return Collections.emptyList();
> }
> @Override
> public List<URL> getJarFileUrls() {
> try {
> return Collections.list(this.getClass().getClassLoader().getResources(""));
> } catch (IOException e) {
> throw new UncheckedIOException(e);
> }
> }
> //@Nullable
> @Override
> public URL getPersistenceUnitRootUrl() {
> return url.orElse(null);
> }
> @Override
> public List<String> getManagedClassNames() {
> return Collections.unmodifiableList(classes);
> }
> @Override
> public boolean excludeUnlistedClasses() {
> return false;
> }
> @Override
> public SharedCacheMode getSharedCacheMode() {
> return SharedCacheMode.UNSPECIFIED;
> }
> @Override
> public ValidationMode getValidationMode() {
> return ValidationMode.AUTO;
> }
> @Override
> public Properties getProperties() {
> Properties p = new Properties();
> p.putAll(properties);
> return p;
> }
> @Override
> public String getPersistenceXMLSchemaVersion() {
> return "2.2";
> }
> @Override
> //@Nullable
> public ClassLoader getClassLoader() {
> return Thread.currentThread().getContextClassLoader();
> }
> @Override
> public void addTransformer(ClassTransformer transformer) {
> }
> @Override
> //@Nullable
> public ClassLoader getNewTempClassLoader() {
> return null;
> }
> }
> {code}
> Sample entity class:
> {code:title=Fruit.java|borderStyle=solid}
> package com.example;
> import java.io.Serializable;
> import javax.persistence.Entity;
> import javax.persistence.GeneratedValue;
> import javax.persistence.GenerationType;
> import javax.persistence.Id;
> import javax.persistence.Table;
> /**
> * @author Victor Williams Stafusa da Silva
> */
> @Entity
> @Table(name = "fruits")
> public class Fruit implements Serializable {
> private static final long serialVersionUID = 1L;
> @Id
> @GeneratedValue(strategy = GenerationType.IDENTITY)
> private Integer id;
> private String name;
> private String color;
> public Fruit() {}
> public Fruit(String name, String color) {
> this.name = name;
> this.color = color;
> }
> public String getName() {
> return name;
> }
> public String getColor() {
> return color;
> }
> }
> {code}
> Gradle script to build that:
> {code:title=build.gradle|borderStyle=solid}
> apply plugin: 'java'
> apply plugin: 'application'
> group = 'com.example'
> mainClassName = 'com.example.Hbug'
> repositories {
> jcenter()
> }
> dependencies {
> implementation 'org.hsqldb:hsqldb:2.5.0'
> //implementation 'org.hibernate:hibernate-core:5.4.13.Final'
> implementation 'org.hibernate.orm:hibernate-core:6.0.0.Alpha4'
> }
> {code}
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