我使用 Java/Quarkus 1.13.7.Final 版本和 DB2 資料庫。
是否可以禁用Hibernate的SequenceInformation獲取？
這個帖子顯示，在Spring中可以通過這個引數來完成：
spring.jpa.hibernate.use-new-id-generator-mappings=false
我手動生成我的ID，在這方面不需要Hibernate的幫助。
在我的應用程式開始時，我收到了這個錯誤，因為我的資料庫用戶沒有訪問DB2 SEQUENCE表的權限：
11:28:05 ERROR [or. hi.en.jd.en.in.JdbcEnvironmentImpl] （Quarkus主執行緒）無法從資料庫中獲取SequenceInformation：com.ibm.db2.jcc.am.SqlSyntaxErrorException。DB2 SQL錯誤。SQLCODE=-551, SQLSTATE=42501, SQLERRMC=DB2MY-USER;SELECT;SYSCAT.SEQUENCES, DRIVER=4.27.25
at com.ibm.db2.jcc.am.b7.a(b7.java:810)
at com.ibm.db2.jcc.am.b7.a(b7.java:66)
at com.ibm.db2.jcc.am.b7.a(b7.java:140)
at com.ibm.db2.jcc.am.k6.c(k6.java:2825)
at com.ibm.db2.jcc.am.k6.a(k6.java:2262)
at com.ibm.db2.jcc.t4.ab.r(ab.java:1659)
at com.ibm.db2.jcc.t4.ab.l(ab.java:756)
at com.ibm.db2.jcc.t4.ab.d(ab.java:112)
at com.ibm.db2.jcc.t4.p.c(p.java:44)
at com.ibm.db2.jcc.t4.av.j(av.java:162)
at com.ibm.db2.jcc.am.k6.an(k6.java:2257)
at com.ibm.db2.jcc.am.k6.a(k6.java:3334)
at com.ibm.db2.jcc.am.k6.a(k6.java:738)
at com.ibm.db2.jcc.am.k6.executeQuery(k6.java:717)
在org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorLegacyImpl.extractMetadata(SequenceInformationExtractorLegacyImpl.java：42)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentImpl.sequenceInformationList(JdbcEnvironmentImpl.java：403)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentImpl.<init>(JdbcEnvironmentImpl.java:268)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:114)
at org.hibernate.engine.jdbc.env.internal.JdbcEnvironmentInitiator.initiateService(JdbcEnvironmentInitiator.java:35)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.initiateService(StandardServiceRegistryImpl.java：101)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.createService(AbstractServiceRegistryImpl.java:263)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:237)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:51)
at org.hibernate.boot.registry.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:107)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:246)
at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:214)
在org.hibernate.boot.internal.SessionFactoryOptionsBuilder.<init>(SessionFactoryOptionsBuilder.java：265)
在 io.quarkus.hibernate.orm.runtime.recording.PrevalidatedQuarkusMetadata.buildSessionFactoryOptionsBuilder(PrevalidatedQuarkusMetadata.java:69)
在 io.quarkus.hibernate.orm.runtime.boot.FastBootEntityManagerFactoryBuilder.build(FastBootEntityManagerFactoryBuilder.java：71)
at io.quarkus.hibernate.orm.runtime.FastBootHibernatePersistenceProvider.createEntityManagerFactory(FastBootHibernatePersistenceProvider.java：67)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:80)
at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:55)
at io.quarkus.hibernate.orm.runtime.JPAConfig$LazyPersistenceUnit.get(JPAConfig.java:118)
在 io.quarkus.hibernate.orm.runtime.JPAConfig.startAll(JPAConfig.java:42)
at io.quarkus.hibernate.orm.runtime.JPAConfig_Subclass.startAll$$superaccessor6(JPAConfig_Subclass.zig:876)
at io.quarkus.hibernate.orm.runtime.JPAConfig_Subclass$$function$6.apply(JPAConfig_Subclass$$function$6.zig:29)
at io.quarkus.arc.impl.AroundInvokeInvocationContext.proceed(AroundInvokeInvocationContext.java:54)
at io.quarkus.arc.runtime.devconsole.InvocationInterceptor.proceed(InvocationInterceptor.java:62)
at io.quarkus.arc.runtime.devconsole.InvocationInterceptor.monitor(InvocationInterceptor.java:51)
at io.quarkus.arc.runtime.devconsole.InvocationInterceptor_Bean.intercept(InvocationInterceptor_Bean.zig:521)
at io.quarkus.arc.impl.InterceptorInvocation.invoke(InterceptorInvocation.java:41)
at io.quarkus.arc.impl.AroundInvokeInvocationContext.perform(AroundInvokeInvocationContext.java:41)
at io.quarkus.arc.impl.InvocationContexts.performAroundInvoke(InvocationContexts.java:32)
at io.quarkus.hibernate.orm.runtime.JPAConfig_Subclass.startAll(JPAConfig_Subclass.zig:834)
at io.quarkus.hibernate.orm.runtime.HibernateOrmRecorder.startAllPersistenceUnits(HibernateOrmRecorder.java:88)
at io.quarkus.deployment.step.HibernateOrmProcessor$startPersistenceUnits951856026.deploy_0(HibernateOrmProcessor$startPersistenceUnits951856026.zig:74)
at io.quarkus.deployment.step.HibernateOrmProcessor$startPersistenceUnits951856026.deploy(HibernateOrmProcessor$startPersistenceUnits951856026.zig:40)
at io.quarkus.runner.ApplicationImpl.doStart(ApplicationImpl.zig:948)
at io.quarkus.runtime.Application.start(Application.java:90)
at io.quarkus.runtime.ApplicationLifecycleManager.run(ApplicationLifecycleManager.java:100)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:66)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:42)
at io.quarkus.runtime.Quarkus.run(Quarkus.java:119)
at io.quarkus.runner.GeneratedMain.main(GeneratedMain.zig:29)
在java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at io.quarkus.runner.bootstrap.StartupActionImpl$3.run(StartupActionImpl.java:134)
at java.base/java.lang.Thread.run(Thread.java:829)
我的表格是這樣的：
import java.io.Serializable;
import java.time.LocalDateTime。
import javax.persistence.Column。
import javax.persistence.Entity。
import javax.persistence.Id。
import javax.persistence.IdClass;
import javax.persistence.Table。
@Entity
@Table(name = "DB2MYUSER.MY_ENTITY")
@IdClass(MyEntity.MyEntityPK.class)
public class MyEntity implements Serializable {
private static final long serialVersionUID = 1L;
public static class MyEntityPK implements Serializable {
public long codigoClienteParticipanteOpb;
public int numeroSequencialBaseCalculo;
}
@Id
@Column(name = "CD_CLI")
private long client。
@Id
@Column(name = "SEQ")
private int sequenceNumber;
@Column(name = "TS_ATL")
private LocalDateTime timestampAtualization;
}
Quarkus抱怨這個ERROR，但我的應用程式啟動。但是，無論如何，我想洗掉這個 ERROR 訊息。
uj5u.com熱心網友回復：
你可以在你的hibernate方言中以如下方式覆寫方法getSequenceInformationExtractor：
import org.hibernate.tool.schema.extract.internal.SequenceInformationExtractorNoOpImpl;
import org.hibernate.dialect.DB2Dialect;
public class YourDialect extends DB2ialect {
/ ...
@Override
public SequenceInformationExtractor getSequenceInformationExtractor（） {
return SequenceInformationExtractorNoOpImpl.INSTANCE。
}
}
然后在你的Quarkus應用程式配置中使用這種方言：
quarkus.hibernate-orm.diect=your.app.package.YourDialect
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