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org.hibernate.LazyInitializationException: could not initialize proxy - no Session

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adwin grails
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org.hibernate.LazyInitializationException: could not initialize proxy - no Session

adwin grails
Hi, I am using grails 1.2.1 and  I tried to fix error on my apps  
org.hibernate.LazyInitializationException: could not initialize proxy - no Session 
(it happened because there is no activity for certain period of time ... suck this)


but when I tried to implement : 

import org.apache.commons.dbcp.BasicDataSource
beans = {
     dataSource(BasicDataSource) {
          minEvictableIdleTimeMillis=1800000
          timeBetweenEvictionRunsMillis=1800000
          numTestsPerEvictionRun=3
 
          testOnBorrow=true
         testWhileIdle=true
          testOnReturn=true
          validationQuery="SELECT 1"
     }
}

on grails-apps/conf/spring/resources.groovy

it produce errors in my command line windows (when run grails run-app).

any idea how to solve this ? 

the errors:

Cannot create JDBC driver of class '' for connect URL 'null'
java.lang.NullPointerException
        at sun.jdbc.odbc.JdbcOdbcDriver.getProtocol(JdbcOdbcDriver.java:507)
        at sun.jdbc.odbc.JdbcOdbcDriver.knownURL(JdbcOdbcDriver.java:476)
        at sun.jdbc.odbc.JdbcOdbcDriver.acceptsURL(JdbcOdbcDriver.java:307)
        at java.sql.DriverManager.getDriver(DriverManager.java:253)
        at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:1143)
        at org.apache.commons.dbcp.BasicDataSource.getConnection(BasicDataSource.java:880)
        at org.springframework.jdbc.datasource.DataSourceUtils.doGetConnection(DataSourceUtils.java:113)
        at org.springframework.jdbc.datasource.DataSourceUtils.getConnection(DataSourceUtils.java:79)
        at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:280)
        at org.springframework.jdbc.support.JdbcUtils.extractDatabaseMetaData(JdbcUtils.java:320)
        at org.codehaus.groovy.grails.orm.hibernate.support.SpringLobHandlerDetectorFactoryBean.afterPropertiesSet(Sprin
gLobHandlerDetectorFactoryBean.java:72)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowi
reCapableBeanFactory.java:1460)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireC
apableBeanFactory.java:1398)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCap
ableBeanFactory.java:512)
        at org.codehaus.groovy.grails.commons.spring.ReloadAwareAutowireCapableBeanFactory.doCreateBean(ReloadAwareAutow
ireCapableBeanFactory.java:97)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapab
leBeanFactory.java:450)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegis
try.java:222)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueRes
olver.java:322)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionV
alueResolver.java:106)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAuto
wireCapableBeanFactory.java:1305)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCap
ableBeanFactory.java:1067)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCap
ableBeanFactory.java:511)
        at org.codehaus.groovy.grails.commons.spring.ReloadAwareAutowireCapableBeanFactory.doCreateBean(ReloadAwareAutow
ireCapableBeanFactory.java:97)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapab
leBeanFactory.java:450)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegis
try.java:222)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveReference(BeanDefinitionValueRes
olver.java:322)
        at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionV
alueResolver.java:106)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAuto
wireCapableBeanFactory.java:1305)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCap
ableBeanFactory.java:1067)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCap
ableBeanFactory.java:511)
        at org.codehaus.groovy.grails.commons.spring.ReloadAwareAutowireCapableBeanFactory.doCreateBean(ReloadAwareAutow
ireCapableBeanFactory.java:97)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapab
leBeanFactory.java:450)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegis
try.java:222)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:189)
        at org.codehaus.groovy.grails.orm.support.TransactionManagerPostProcessor.postProcessAfterInstantiation(Transact
ionManagerPostProcessor.java:81)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCap
ableBeanFactory.java:1017)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCap
ableBeanFactory.java:511)
        at org.codehaus.groovy.grails.commons.spring.ReloadAwareAutowireCapableBeanFactory.doCreateBean(ReloadAwareAutow
ireCapableBeanFactory.java:97)
        at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapab
leBeanFactory.java:450)
        at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:290)
        at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegis
try.java:222)
        at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:287)
        at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:193)
        at org.springframework.context.support.AbstractApplicationContext.initMessageSource(AbstractApplicationContext.j
ava:714)
        at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:404)
        at org.codehaus.groovy.grails.commons.spring.GrailsWebApplicationContext.refresh(GrailsWebApplicationContext.jav
a:153)
        at org.codehaus.groovy.grails.commons.spring.DefaultRuntimeSpringConfiguration.getApplicationContext(DefaultRunt
imeSpringConfiguration.java:154)
        at org.codehaus.groovy.grails.commons.spring.GrailsRuntimeConfigurator.configure(GrailsRuntimeConfigurator.java:
170)
        at org.codehaus.groovy.grails.commons.spring.GrailsRuntimeConfigurator.configure(GrailsRuntimeConfigurator.java:
131)
        at org.codehaus.groovy.grails.web.context.GrailsConfigUtils.configureWebApplicationContext(GrailsConfigUtils.jav
a:102)
        at org.codehaus.groovy.grails.web.context.GrailsContextLoader.createWebApplicationContext(GrailsContextLoader.ja
va:69)
        at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:192)
        at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:47)
        at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3961)
        at org.apache.catalina.core.StandardContext.start(StandardContext.java:4456)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
        at org.apache.catalina.core.StandardHost.start(StandardHost.java:722)
        at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
        at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
        at org.apache.catalina.core.StandardService.start(StandardService.java:515)
        at org.apache.catalina.core.StandardServer.start(StandardServer.java:708)
        at org.apache.catalina.startup.Tomcat.start(Tomcat.java:286)
        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:597)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite$PojoCachedMethodSiteNoUnwrapNoCoerce.invoke(PojoMetaM
ethodSite.java:229)
        at org.codehaus.groovy.runtime.callsite.PojoMetaMethodSite.call(PojoMetaMethodSite.java:52)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:121)
        at org.grails.tomcat.TomcatServer.start(TomcatServer.groovy:135)
        at grails.web.container.EmbeddableServer$start.call(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:117)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:129)
        at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy:158)
        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:597)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSite.invoke(PogoMetaMethodSite.java:2
25)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at _GrailsRun_groovy$_run_closure5_closure12.doCall(_GrailsRun_groovy)
        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:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.Closure.call(Closure.java:279)
        at groovy.lang.Closure.call(Closure.java:274)
        at groovy.lang.Closure$call.call(Unknown Source)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
        at groovy.lang.Closure$call.call(Unknown Source)
        at _GrailsSettings_groovy$_run_closure10.doCall(_GrailsSettings_groovy:282)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaM
ethodSite.java:266)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:56)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:155)
        at _GrailsSettings_groovy$_run_closure10.call(_GrailsSettings_groovy)
        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:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1095)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1051)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:706)
        at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
        at groovy.lang.Script.invokeMethod(Script.java:78)
        at groovy.lang.MetaClassImpl.invokeMethodOnGroovyObject(MetaClassImpl.java:1114)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1011)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:155)
        at _GrailsRun_groovy$_run_closure5.doCall(_GrailsRun_groovy:149)
        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:597)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaM
ethodSite.java:266)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at _GrailsRun_groovy$_run_closure5.call(_GrailsRun_groovy)
        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:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.MetaClassImpl.invokePropertyOrMissing(MetaClassImpl.java:1095)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1051)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at _GrailsRun_groovy.runInline(_GrailsRun_groovy:115)
        at _GrailsRun_groovy.this$4$runInline(_GrailsRun_groovy)
        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:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:997)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
        at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCallCurrent(CallSiteArray.java:44)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:143)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:163)
        at _GrailsRun_groovy$_run_closure1.doCall(_GrailsRun_groovy:59)
        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:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
        at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
        at groovy.lang.Closure.call(Closure.java:279)
        at groovy.lang.Closure.call(Closure.java:292)
        at sun.reflect.GeneratedMethodAccessor72.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.DelegatingMetaClass.invokeMethod(DelegatingMetaClass.java:149)
        at org.codehaus.gant.GantMetaClass.invokeMethod(GantMetaClass.java:127)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:39)
        at org.codehaus.groovy.runtime.callsite.CallSiteArray.defaultCall(CallSiteArray.java:40)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.call(PogoMetaClassSite.java:54)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.call(AbstractCallSite.java:125)
        at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8_closure9.doCall(GantBinding.groovy:152
)
        at sun.reflect.GeneratedMethodAccessor95.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaM
ethodSite.java:266)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8_closure9.doCall(GantBinding.groovy)
        at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.Closure.call(Closure.java:279)
        at groovy.lang.Closure.call(Closure.java:274)
        at groovy.lang.Closure$call.call(Unknown Source)
        at org.codehaus.gant.GantBinding.withTargetEvent(GantBinding.groovy:90)
        at org.codehaus.gant.GantBinding.this$4$withTargetEvent(GantBinding.groovy)
        at sun.reflect.GeneratedMethodAccessor88.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:997)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:706)
        at groovy.lang.GroovyObjectSupport.invokeMethod(GroovyObjectSupport.java:44)
        at groovy.lang.MetaClassImpl.invokeMethodOnGroovyObject(MetaClassImpl.java:1114)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1011)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at org.codehaus.groovy.runtime.callsite.PogoMetaClassSite.callCurrent(PogoMetaClassSite.java:66)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:159)
        at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8.doCall(GantBinding.groovy:152)
        at sun.reflect.GeneratedMethodAccessor87.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite$PogoCachedMethodSiteNoUnwrapNoCoerce.invoke(PogoMetaM
ethodSite.java:266)
        at org.codehaus.groovy.runtime.callsite.PogoMetaMethodSite.callCurrent(PogoMetaMethodSite.java:51)
        at org.codehaus.groovy.runtime.callsite.AbstractCallSite.callCurrent(AbstractCallSite.java:151)
        at org.codehaus.gant.GantBinding$_initializeGantBinding_closure4_closure8.doCall(GantBinding.groovy)
        at sun.reflect.GeneratedMethodAccessor86.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86)
        at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:234)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:1049)
        at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:923)
        at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:880)
        at groovy.lang.Closure.call(Closure.java:279)
        at groovy.lang.Closure.call(Closure.java:274)
        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.Server running. Browse to http://localhost:9090/webapp
Konstantyn Smirnov
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Re: org.hibernate.LazyInitializationException: could not initialize proxy - no Session

Konstantyn Smirnov
looks like your dataSource bean is missing the *url* property :)
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