The spec. states in 9.1.9:
The GeneratedValue annotation provides for the specification of generation
strategies for the values
of primary keys. The GeneratedValue annotation may be applied to a primary
key property or
field of an entity or mapped superclass in conjunction with the Id
annotation
In other words, you can't use GeneratedValue without Id - that's why you are
getting the exception (there is no sequence with such name).
----- Original Message -----
From: "sudhakar" <sudhakar_at_co.brazos.tx.us>
To: <persistence_at_glassfish.dev.java.net>
Sent: Thursday, October 25, 2007 5:54 PM
Subject: Re: specifying sequence starting number in DescriptorCustomizer
> Here is what I have now:
>
> My entity class is as follows:
>
> [begin code]
> public class Owner extends ModelBase {
>
> @Column(name = "number")
> @SequenceGenerator(name = "OWNER_SEQ")
> @GeneratedValue(strategy = GenerationType.SEQUENCE, generator =
> "OWNER_SEQ")
> private int number;
> }
> [end code]
>
> My SequenceCustomizer as as follows
>
> [begin code]
> public class SequenceCustomizer implements SessionCustomizer {
> public void customize(Session session) throws Exception {
> session.getDatasourcePlatform().getSequence("OWNER_SEQ")
> .setInitialValue(10001);
> }
> }
> [end code]
>
> My persistence.xml has this
> [begin code]
> <property name="toplink.session.customizer"
> value="brazos.permit.ejb.domain.internal.SequenceCustomizer" />
> [end code]
>
> Deployment fails with a NullPointerException in the getSequence() line
> in SequenceCustomizer above.
>
> Here is the stacktrace from the server.log file in glassfish when I
> deploy the EJB application jar
>
> [begin log]
> ----------------------------------------------------------------
>
> [#|2007-10-25T16:46:17.988-0500|CONFIG|sun-appserver9.1|oracle.toplink.essentials.session.file:/E:/Java/glassfish/domains/domain1/applications/j2ee-modules/brazos.permit.ejb-1.0.0.v20071026/-permitPU.ejb_or_metadata|_ThreadID=17;_ThreadName=Timer-5;|The
> primary key column name for the mapping element [private
> brazos.permit.ejb.domain.User
> brazos.permit.ejb.domain.ModelBase.createdByUser] is being defaulted to:
> sys_id.|#]
>
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:375)
> at
> com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:358)
> at
> com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:464)
> at
> com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)
> at
> com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)
> at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> at java.lang.reflect.Method.invoke(Method.java:597)
> at
> com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:90)
> at $Proxy1.invoke(Unknown Source)
> at
> com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:304)
> at
> com.sun.enterprise.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:174)
> at
> com.sun.enterprise.deployment.autodeploy.AutoDeployer.invokeDeploymentService(AutoDeployer.java:564)
> at
> com.sun.enterprise.deployment.autodeploy.AutoDeployer.deployJavaEEArchive(AutoDeployer.java:545)
> at
> com.sun.enterprise.deployment.autodeploy.AutoDeployer.deploy(AutoDeployer.java:492)
> at
> com.sun.enterprise.deployment.autodeploy.AutoDeployer.deployAll(AutoDeployer.java:267)
> at
> com.sun.enterprise.deployment.autodeploy.AutoDeployControllerImpl$AutoDeployTask.run(AutoDeployControllerImpl.java:374)
> at java.util.TimerThread.mainLoop(Timer.java:512)
> at java.util.TimerThread.run(Timer.java:462)
> Caused by: java.lang.NullPointerException
> at
> brazos.permit.ejb.domain.internal.SequenceCustomizer.customize(SequenceCustomizer.java:15)
> at
> oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.processSessionCustomizer(EntityManagerSetupImpl.java:990)
> ... 46 more
> |#]
>
> [#|2007-10-25T16:46:18.988-0500|FINE|sun-appserver9.1|javax.enterprise.system.tools.deployment|_ThreadID=17;_ThreadName=Timer-5;ClassName=com.sun.enterprise.deployment.backend.Deployer;MethodName=finish;_RequestID=39abedd3-860a-408e-8abe-eeca798731ad;|Total
> Deployment Time: 4734 msec, Total EJB Compiler Module Time: 32 msec,
> Portion spent EJB Compiling: 0%
> Breakdown of EJBC Module Time: Total Time for EJBC: 32 msec, CMP
> Generation: 0 msec (0%), Java Compilation: 0 msec (0%), RMI Compilation:
> 0 msec (0%), JAX-RPC Generation: 16 msec (50%),
> |#]
>
> [#|2007-10-25T16:46:18.988-0500|FINER|sun-appserver9.1|javax.enterprise.system.tools.deployment|_ThreadID=17;_ThreadName=Timer-5;ClassName=com.sun.enterprise.deployment.backend.Deployer;MethodName=finish;_RequestID=39abedd3-860a-408e-8abe-eeca798731ad;||#]
>
> [#|2007-10-25T16:46:19.004-0500|SEVERE|sun-appserver9.1|javax.enterprise.system.tools.deployment|_ThreadID=17;_ThreadName=Timer-5;_RequestID=39abedd3-860a-408e-8abe-eeca798731ad;|Exception
> occured in J2EEC Phase
> com.sun.enterprise.deployment.backend.IASDeploymentException: Deployment
> Errorjava.lang.NullPointerException --
> Exception Description: Exception was thrown while processing property
> [toplink.session.customizer] with value
> [brazos.permit.ejb.domain.internal.SequenceCustomizer].
> Internal Exception: java.lang.NullPointerException
> at
> oracle.toplink.essentials.exceptions.EntityManagerSetupException.failedWhileProcessingProperty(EntityManagerSetupException.java:196)
> at
> oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.processSessionCustomizer(EntityManagerSetupImpl.java:992)
> at
> oracle.toplink.essentials.internal.ejb.cmp3.EntityManagerSetupImpl.updateServerSession(EntityManagerSetupImpl.java:968)
>
> -----------------------------------------------
> [end log]
>
>
> Gordon Yorke wrote:
>> You will need a SessionCustomizer that allows you to customize the
>> Sequences.
>>
>> _Persistence.xml entry:
>> _<property name="toplink.session.customizer"
>> value="mypackage.MySequenceCustomizer"/>
>>
>> _Customizer Class :_
>> package mypackage;
>> import oracle.toplink.essentials.sessions.Session;
>>
>> /**
>> * PUBLIC:
>> * This interface is to allow extra customization on a TopLink Session
>> */
>> public class MySequenceCustomizer extends SessionCustomizer {
>> public void customize(Session session) throws Exception {
>>
>> session.getDatasourcePlatform().getSequence("OWNER_SEQ").setInitialValue(2);
>> }
>> }
>>
>> --Gordon
>>
>> -----Original Message-----
>> *From:* sud [mailto:to_sud_at_yahoo.com]
>> *Sent:* Sunday, October 21, 2007 9:18 PM
>> *To:* persistence_at_glassfish.dev.java.net
>> *Subject:* specifying sequence starting number in DescriptorCustomizer
>>
>> When using the following workaround for GeneratedValue on a non-id
>> field, is it possible
>> to specify the starting number in the sequence?
>>
>> [Quote]
>> As a workaround you can enable this using the TopLink Essentials
>> descriptor
>> API. Specify a DescriptorCustomizer in your persistence.xml.
>>
>> public class MyDescriptorCustomizer implements DescriptorCustomizer {
>> public void customize(ClassDescriptor descriptor) {
>> descriptor.setSequenceNumberName("OWNER_SEQ");
>> descriptor.setSequenceNumberFieldName("number");
>> }
>> }
>> [Quote]
>>
>>
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>