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torben2
 Post subject: Migration problems 3.0.5 to 3.1rc2 - AbstractBatcher
PostPosted: Sun Oct 30, 2005 8:13 am 
Newbie

Joined: Fri Oct 03, 2003 6:47 am
Posts: 15
Hi,
I'm trying to upgrade from Hibernate 3.0.5 to 3.1rc2 but I don't get 3.1rc2 to work.

My application works without problems with 3.0.5 but after upgrading to Hibernate 3.1rc2 I get the stacktrace below. I have tried to upgrade to 3.1 before during the beta releases with the same result. I first thought that it was due to some early unstability issue but as Hibernate 3.1 seems close to release I guess I have missed something.

The mapping it concerns is really basic wihout any relations whatsoever. (See end of post.)

This happens direct when the first DB access should occur.

Hibernate version: 3.1rc2

Name and version of the database you are using:
MySQL 4.1.7 / c3p0 pool.

Code between sessionFactory.openSession() and session.close():

Full stack trace of any exception that occurs:
2005-10-30 12:56:33,625 [main] INFO (SettingsFactory.java:195) - Order SQL updates by primary key: disabled
2005-10-30 12:56:33,625 [main] INFO (SettingsFactory.java:338) - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
2005-10-30 12:56:33,640 [main] INFO (ASTQueryTranslatorFactory.java:21) - Using ASTQueryTranslatorFactory
2005-10-30 12:56:33,640 [main] INFO (SettingsFactory.java:203) - Query language substitutions: {}
2005-10-30 12:56:33,640 [main] INFO (SettingsFactory.java:209) - Second-level cache: enabled
2005-10-30 12:56:33,640 [main] INFO (SettingsFactory.java:213) - Query cache: disabled
2005-10-30 12:56:33,640 [main] INFO (SettingsFactory.java:325) - Cache provider: org.hibernate.cache.EhCacheProvider
2005-10-30 12:56:33,656 [main] INFO (SettingsFactory.java:228) - Optimize cache for minimal puts: disabled
2005-10-30 12:56:33,656 [main] INFO (SettingsFactory.java:237) - Structured second-level cache entries: disabled
2005-10-30 12:56:33,671 [main] INFO (SettingsFactory.java:264) - Statistics: enabled
2005-10-30 12:56:33,671 [main] INFO (SettingsFactory.java:268) - Deleted entity synthetic identifier rollback: disabled
2005-10-30 12:56:33,671 [main] INFO (SettingsFactory.java:283) - Default entity-mode: POJO
2005-10-30 12:56:33,937 [main] INFO (SessionFactoryImpl.java:155) - building session factory
2005-10-30 12:56:36,109 [main] INFO (SessionFactoryObjectFactory.java:82) - Not binding factory to JNDI, no JNDI name configured
2005-10-30 12:56:51,687 [main] INFO (SessionFactoryImpl.java:432) - Checking 0 named queries
2005-10-30 12:56:51,687 [main] INFO (HibernateSessionFactory.java:86) - Sessionfactory initialized ok!
2005-10-30 12:56:51,796 [main] ERROR (ApplicationContext.java:674) - action: null
java.lang.NullPointerException
at com.mchange.v2.c3p0.stmt.StatementCacheKey.hashCode(StatementCacheKey.java:151)
at com.mchange.v2.c3p0.stmt.ValueIdentityStatementCacheKey.init(ValueIdentityStatementCacheKey.java:190)
at com.mchange.v2.c3p0.stmt.ValueIdentityStatementCacheKey._find(ValueIdentityStatementCacheKey.java:150)
at com.mchange.v2.c3p0.stmt.StatementCacheKey.find(StatementCacheKey.java:49)
at com.mchange.v2.c3p0.stmt.GooGooStatementCache.checkoutStatement(GooGooStatementCache.java:81)
at com.mchange.v2.c3p0.impl.NewPooledConnection.checkoutStatement(NewPooledConnection.java:168)
at com.mchange.v2.c3p0.impl.NewProxyConnection.prepareStatement(NewProxyConnection.java:185)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:431)
at org.hibernate.jdbc.AbstractBatcher.getPreparedStatement(AbstractBatcher.java:366)
at org.hibernate.jdbc.AbstractBatcher.prepareQueryStatement(AbstractBatcher.java:105)
at org.hibernate.loader.Loader.prepareQueryStatement(Loader.java:1561)
at org.hibernate.loader.Loader.doQuery(Loader.java:661)
at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:223)
at org.hibernate.loader.Loader.loadEntity(Loader.java:1782)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:93)
at org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:81)
at org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:2729)
at org.hibernate.event.def.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:365)
at org.hibernate.event.def.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:346)
at org.hibernate.event.def.DefaultLoadEventListener.load(DefaultLoadEventListener.java:123)
at org.hibernate.event.def.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:177)
at org.hibernate.event.def.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:87)
at org.hibernate.impl.SessionImpl.fireLoad(SessionImpl.java:809)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:749)
at org.hibernate.impl.SessionImpl.get(SessionImpl.java:742)
at com.gnilron.monster.security.dao.MonsterSecuritySettingsDAOHbm.getMonsterSecuritySettings(MonsterSecuritySettingsDAOHbm.java:45)
at com.gnilron.monster.service.PersistenceServiceHibernateImpl.getMonsterSecuritySettings(PersistenceServiceHibernateImpl.java:166)
at com.gnilron.monster.web.application.ApplicationContainer.getMonsterSecuritySettings(ApplicationContainer.java:219)
at com.gnilron.monster.web.application.ApplicationContainer.<init>(ApplicationContainer.java:102)
at com.gnilron.monster.web.struts.plugin.MonsterPlugIn.init(MonsterPlugIn.java:28)
at org.apache.struts.action.ActionServlet.initModulePlugIns(ActionServlet.java:869)
at org.apache.struts.action.ActionServlet.init(ActionServlet.java:336)
at javax.servlet.GenericServlet.init(GenericServlet.java:211)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1091)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:925)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3880)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:4141)
at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:759)
at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:739)
at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:524)
at org.apache.catalina.startup.HostConfig.deployDescriptor(HostConfig.java:603)
at org.apache.catalina.startup.HostConfig.deployDescriptors(HostConfig.java:535)
at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:470)
at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1118)
at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:310)
at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1020)
at org.apache.catalina.core.StandardHost.start(StandardHost.java:718)
at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1012)
at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:442)
at org.apache.catalina.core.StandardService.start(StandardService.java:450)
at org.apache.catalina.core.StandardServer.start(StandardServer.java:680)
at org.apache.catalina.startup.Catalina.start(Catalina.java:536)
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:324)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:275)

My Mappin generated by XDoclet 1.2.3
<?xml version="1.0" encoding="UTF-8"?>

<!DOCTYPE hibernate-mapping PUBLIC
"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">

<hibernate-mapping
>
<class
name="com.gnilron.monster.security.MonsterSecuritySettings"
table="MONSTER_SECURITY_SETTINGS"
>

<id
name="id"
column="id"
type="java.lang.Long"
unsaved-value="null"
>
<generator class="org.hibernate.id.IdentityGenerator">
<!--
To add non XDoclet generator parameters, create a file named
hibernate-generator-params-MonsterSecuritySettings.xml
containing the additional parameters and place it in your merge dir.
-->
</generator>
</id>

<timestamp
name="lastUpdatedDatetime"
column="LAST_UPDATE"
/>

<property
name="passwordMinLength"
type="int"
update="true"
insert="true"
column="PASSWORD_MIN_LENGTH"
/>

<property
name="passwordRetries"
type="int"
update="true"
insert="true"
column="PASSWORD_RETRIES"
/>

<property
name="guestEnable"
type="boolean"
update="true"
insert="true"
column="GUEST_ENABLE"
/>

<!--
To add non XDoclet property mappings, create a file named
hibernate-properties-MonsterSecuritySettings.xml
containing the additional properties and place it in your merge dir.
-->

</class>

</hibernate-mapping>
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max
 Post subject:
PostPosted: Sun Oct 30, 2005 9:53 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
so this is about the 117th posting with this issue ;)

Let me give you a hint:

I guess you have an Interceptor and you just implemented a new method with some random default instead of actually reading the javadocs on what it actually should do.

_________________
Max
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torben2
 Post subject:
PostPosted: Sun Oct 30, 2005 10:37 am 
Newbie

Joined: Fri Oct 03, 2003 6:47 am
Posts: 15
Yepp,
Thanks Max! That was a nice tip. Just replaced my Interceptor usage with the EmptyInterceptor as a baseclass and things now work again! Are there any other known issues with upgrading 3.0.5 to 3.1? Or better, do you know of any "Migration guide"?

Anyway, thanks alot!

// Torben
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max
 Post subject:
PostPosted: Sun Oct 30, 2005 11:07 am 
Hibernate Team
Hibernate Team

Joined: Tue Aug 26, 2003 6:10 am
Posts: 8615
Location: Neuchatel, Switzerland (Danish)
yes http://www.hibernate.org/250.html

it also mentions how to use EmptyInterceptor.

_________________
Max
Don't forget to rate

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