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Home » Language IDEs » Java Development Tools (JDT) » After JDT refactoring tomcat wouldnot start(After JDT refactoring tomcat wouldnot start)
icon10.gif  After JDT refactoring tomcat wouldnot start [message #810555] Thu, 01 March 2012 08:40 Go to next message
Harutyun Arzumanian is currently offline Harutyun ArzumanianFriend
Messages: 35
Registered: February 2012
Member
My web project was working perfectly, it includes: spring3 and hibernate3. After renaming some packages in eclipse by the help of eclipse refactoring, tomcat could't start anymore. It hangs on these logs below:

......
......
......

2012-02-29 08:57:04,552 INFO [org.springframework.orm.hibernate3.LocalSessionFactoryBean] [buildSessionFactory] - <Building new Hibernate SessionFactory>
2012-02-29 08:57:04,567 INFO [org.hibernate.connection.ConnectionProviderFactory] [newConnectionProvider] - <Initializing connection provider: org.springframework.orm.hibernate3.LocalDataSourceConnectionProvider>
2012-02-29 08:57:10,698 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <RDBMS: MySQL, version: 5.0.77>
2012-02-29 08:57:10,698 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <JDBC driver: MySQL-AB JDBC Driver, version: mysql-connector-java-5.1.15 ( Revision: ${bzr.revision-id} )>
2012-02-29 08:57:10,729 INFO [org.hibernate.dialect.Dialect] [<init>] - <Using dialect: org.hibernate.dialect.MySQLDialect>
2012-02-29 08:57:10,745 INFO [org.hibernate.transaction.TransactionFactoryFactory] [buildTransactionFactory] - <Transaction strategy: org.springframework.orm.hibernate3.SpringTransactionFactory>
2012-02-29 08:57:10,745 INFO [org.hibernate.transaction.TransactionManagerLookupFactory] [getTransactionManagerLookup] - <No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Automatic flush during beforeCompletion(): disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Automatic session close at end of transaction: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <JDBC batch size: 15>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <JDBC batch updates for versioned data: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Scrollable result sets: enabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <JDBC3 getGeneratedKeys(): enabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Connection release mode: auto>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Maximum outer join fetch depth: 2>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Default batch fetch size: 1>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Generate SQL with comments: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Order SQL updates by primary key: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Order SQL inserts for batching: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [createQueryTranslatorFactory] - <Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory>
2012-02-29 08:57:10,745 INFO [org.hibernate.hql.ast.ASTQueryTranslatorFactory] [<init>] - <Using ASTQueryTranslatorFactory>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Query language substitutions: {}>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <JPA-QL strict compliance: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Second-level cache: enabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Query cache: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [createRegionFactory] - <Cache region factory : org.hibernate.cache.impl.NoCachingRegionFactory>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Optimize cache for minimal puts: disabled>
2012-02-29 08:57:10,745 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Structured second-level cache entries: disabled>
2012-02-29 08:57:10,761 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Statistics: disabled>
2012-02-29 08:57:10,761 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Deleted entity synthetic identifier rollback: disabled>
2012-02-29 08:57:10,761 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Default entity-mode: pojo>
2012-02-29 08:57:10,761 INFO [org.hibernate.cfg.SettingsFactory] [buildSettings] - <Named query checking : enabled>
2012-02-29 08:57:10,792 INFO [org.hibernate.impl.SessionFactoryImpl] [<init>] - <building session factory>
2012-02-29 08:57:11,244 INFO [org.hibernate.impl.SessionFactoryObjectFactory] [addInstance] - <Not binding factory to JNDI, no JNDI name configured>
2012-02-29 08:57:11,307 INFO [org.springframework.orm.hibernate3.HibernateTransactionManager] [afterPropertiesSet] - <Using DataSource [org.apache.commons.dbcp.BasicDataSource@1aac07d] of Hibernate SessionFactory for HibernateTransactionManager>


It hangs here, and when tomcat's "start timeout" reaches tomcat stops. I increased the timeout to 100 seconds, but it was useless, where the app still hanged on the longest times! The strangest thing is that there is no error whatsoever, it just hangs. I tried a lot of times cleaning/deleting the server and cleaning/building the project, but with no result.

Before refactoring the log continued like this below:
2012-02-29 07:52:39,822 INFO [org.springframework.ws.soap.saaj.SaajSoapMessageFactory] [afterPropertiesSet] - <Creating SAAJ 1.3 MessageFactory with SOAP 1.1 Protocol>
2012-02-29 07:52:39,853 INFO [org.springframework.oxm.jaxb.Jaxb2Marshaller] [createJaxbContextFromContextPath] - <Creating JAXBContext with context path [aheeva.webService.oxm]>
2012-02-29 07:52:40,571 INFO [org.springframework.web.servlet.mvc.support.ControllerClassNameHandlerMapping] [registerHandler] - <Mapped URL path [
.......
.......
.......


I got a thread dump with the following output:

"main" prio=5 tid=0x001f9dc8 nid=0xf8c runnable [0x000bf000..0x000cfc00]
        at java.lang.String.equals(String.java:858)
        at java.util.HashMap.eq(HashMap.java:277)
        at java.util.HashMap.getEntry(HashMap.java:363)
        at java.util.LinkedHashMap.get(LinkedHashMap.java:273)
        at org.springframework.beans.CachedIntrospectionResults.getPropertyDescr
iptor(CachedIntrospectionResults.java:275)
        at org.springframework.beans.BeanWrapperImpl.getPropertyDescriptorIntern
al(BeanWrapperImpl.java:335)
        at org.springframework.beans.BeanWrapperImpl.isWritableProperty(BeanWrap
perImpl.java:407)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1327)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.populateBean(AbstractAutowireCapableBeanFactory.java:1086)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.doCreateBean(AbstractAutowireCapableBeanFactory.java:517)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.createBean(AbstractAutowireCapableBeanFactory.java:456)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getOb
ject(AbstractBeanFactory.java:291)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistr
y.getSingleton(DefaultSingletonBeanRegistry.java:222)
        - locked <0x24682be0> (a java.util.concurrent.ConcurrentHashMap)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBe
an(AbstractBeanFactory.java:288)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getType
ForFactoryBean(AbstractBeanFactory.java:1343)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBean
Factory.getTypeForFactoryBean(AbstractAutowireCapableBeanFactory.java:678)
        at org.springframework.beans.factory.support.AbstractBeanFactory.isTypeM
atch(AbstractBeanFactory.java:507)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.
getBeanNamesForType(DefaultListableBeanFactory.java:317)
        at org.springframework.beans.factory.BeanFactoryUtils.beanNamesForTypeIn
cludingAncestors(BeanFactoryUtils.java:185)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.
findAutowireCandidates(DefaultListableBeanFactory.java:829)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.
doResolveDependency(DefaultListableBeanFactory.java:786)
        at org.springframework.beans.factory.support.DefaultListableBeanFactory.
resolveDependency(DefaultListableBeanFactory.java:703)
        at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanP
ostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.j
ava:474)
.......
.......
.......


I can conclude the following:

It's always the same spring hashmap in a singleton mode trying to fetch a bean and isn't able to find it for that reason the thread is locked ...very very strange! mustn't there be a throw for an exception or a timeout? weird Spring architecture!

Can anybody give an advice?

[Updated on: Thu, 01 March 2012 13:44]

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Re: After JDT refactoring tomcat can't start [message #810675 is a reply to message #810555] Thu, 01 March 2012 12:06 Go to previous messageGo to next message
Deepak Azad is currently offline Deepak AzadFriend
Messages: 543
Registered: July 2009
Senior Member
> weird hibernate architecture!

You might be better served by asking this question on an hibernate forum.

--
Deepak Azad
http://wiki.eclipse.org/JDT/FAQ

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icon10.gif  Re: After JDT refactoring tomcat can't start [message #810733 is a reply to message #810675] Thu, 01 March 2012 13:40 Go to previous message
Harutyun Arzumanian is currently offline Harutyun ArzumanianFriend
Messages: 35
Registered: February 2012
Member
OK I solved this: eclipse refactoring didn't change Spring <context:component-scan base-package="package_name" /> blocks, for that reason spring couldn't find any wired components to treat. I found this by adding Spring Tools -> add java nature and checking in the Spring Explorer tab that context:component-scan blocks were empty.

[Updated on: Thu, 01 March 2012 13:44]

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