Failover @Type for h2?

I need to do @Type for PostgreSQL to get its native UUID type, but this caused problems with the H2 query

 @Id @Override @Type(type = "pg-uuid") @GeneratedValue(generator = "uuid2") @GenericGenerator(name = "uuid2", strategy = "uuid2") @Column(name = "task_id", columnDefinition = "uuid") public UUID getId() { return id; } 

here is the reason for the exception:

 org.h2.jdbc.JdbcSQLException: Hexadecimal string contains non-hex character: "aced0005-7372-000e-74c2-aa3c957d4f00"; SQL statement: select character0_.task_id as task_id1_0_0_, character0_.name as name2_0_0_ from characters character0_ where character0_.task_id=? 

What can I do to get the best from the world and have the same entity for H2 and PostgreSQL?

 org.springframework.orm.jpa.JpaSystemException: could not extract ResultSet; nested exception is org.hibernate.exception.GenericJDBCException: could not extract ResultSet at org.springframework.orm.jpa.vendor.HibernateJpaDialect.convertHibernateAccessException(HibernateJpaDialect.java:244) at org.springframework.orm.jpa.vendor.HibernateJpaDialect.translateExceptionIfPossible(HibernateJpaDialect.java:155) at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.translateExceptionIfPossible(AbstractEntityManagerFactoryBean.java:417) at org.springframework.dao.support.ChainedPersistenceExceptionTranslator.translateExceptionIfPossible(ChainedPersistenceExceptionTranslator.java:59) at org.springframework.dao.support.DataAccessUtils.translateIfNecessary(DataAccessUtils.java:213) at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:147) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodIntercceptor.invoke(CrudMethodMetadataPostProcessor.java:111) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:92) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:207) at com.sun.proxy.$Proxy67.findOne(Unknown Source) at com.xenoterracide.rpf.model.CharacterRepoTest.save(CharacterRepoTest.java:36) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:74) at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:83) at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:72) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:233) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:87) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:71) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:176) at org.junit.runner.JUnitCore.run(JUnitCore.java:160) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:67) Caused by: org.hibernate.exception.GenericJDBCException: could not extract ResultSet at org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:54) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:126) at org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:112) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:91) at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.getResultSet(AbstractLoadPlanBasedLoader.java:449) at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeQueryStatement(AbstractLoadPlanBasedLoader.java:202) at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeLoad(AbstractLoadPlanBasedLoader.java:137) at org.hibernate.loader.plan.exec.internal.AbstractLoadPlanBasedLoader.executeLoad(AbstractLoadPlanBasedLoader.java:102) at org.hibernate.loader.entity.plan.AbstractLoadPlanBasedEntityLoader.load(AbstractLoadPlanBasedEntityLoader.java:186) at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:4126) at org.hibernate.event.internal.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:503) at org.hibernate.event.internal.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:468) at org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:213) at org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:275) at org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:151) at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:1070) at org.hibernate.internal.SessionImpl.access$2000(SessionImpl.java:176) at org.hibernate.internal.SessionImpl$IdentifierLoadAccessImpl.load(SessionImpl.java:2551) at org.hibernate.internal.SessionImpl.get(SessionImpl.java:955) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:1110) at org.hibernate.jpa.spi.AbstractEntityManagerImpl.find(AbstractEntityManagerImpl.java:1074) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:289) at com.sun.proxy.$Proxy65.find(Unknown Source) at org.springframework.data.jpa.repository.support.SimpleJpaRepository.findOne(SimpleJpaRepository.java:222) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:405) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:390) at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:344) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:98) at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:262) at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:95) at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:179) at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:136) ... 34 more Caused by: org.h2.jdbc.JdbcSQLException: Hexadecimal string contains non-hex character: "aced0005-7372-000e-74c2-aa3c957d4f00"; SQL statement: select character0_.task_id as task_id1_0_0_, character0_.name as name2_0_0_ from characters character0_ where character0_.task_id=? [90004-176] at org.h2.message.DbException.getJdbcSQLException(DbException.java:344) at org.h2.message.DbException.get(DbException.java:178) at org.h2.message.DbException.get(DbException.java:154) at org.h2.util.StringUtils.convertHexToBytes(StringUtils.java:966) at org.h2.value.Value.convertTo(Value.java:867) at org.h2.table.Table.compareTypeSave(Table.java:1086) at org.h2.index.BaseIndex.compareValues(BaseIndex.java:319) at org.h2.index.BaseIndex.compareRows(BaseIndex.java:250) at org.h2.index.TreeIndex.findFirstNode(TreeIndex.java:277) at org.h2.index.TreeIndex.find(TreeIndex.java:317) at org.h2.index.TreeIndex.find(TreeIndex.java:297) at org.h2.index.IndexCursor.find(IndexCursor.java:160) at org.h2.table.TableFilter.next(TableFilter.java:330) at org.h2.command.dml.Select.queryFlat(Select.java:533) at org.h2.command.dml.Select.queryWithoutCache(Select.java:646) at org.h2.command.dml.Query.query(Query.java:323) at org.h2.command.dml.Query.query(Query.java:291) at org.h2.command.dml.Query.query(Query.java:37) at org.h2.command.CommandContainer.query(CommandContainer.java:91) at org.h2.command.Command.executeQuery(Command.java:197) at org.h2.jdbc.JdbcPreparedStatement.executeQuery(JdbcPreparedStatement.java:109) at org.hibernate.engine.jdbc.internal.ResultSetReturnImpl.extract(ResultSetReturnImpl.java:82) 
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spring-data postgresql hibernate jpa h2
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1 answer

You can try to extend H2Dialect and bind varchar to Type.other type pg-uuid uses Type.OTHER

 public class H2PostgresDialect extends H2Dialect { public H2PostgresDialect() { super(); registerColumnType(Types.OTHER, "varchar(255)"); } } 

Remember to use your own dialog class for registers instead of the standard

But why not just use

 @Id private UUID id = UUID.randomUUID(); 
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