Hmm. Country didn't have a version prop, so I added one:
@Entity
@Table(name="country")
public class Country extends BaseObject
{
private static final long serialVersionUID = -6412454618940429183L;
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
@Version
private Integer version;
public Integer getVersion()
{
return version;
}
public void setVersion(Integer version)
{
this.version = version;
}
public Long getId()
{
return id;
}
public void setId(Long id)
{
this.id = id;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
@Override
public boolean equals(final Object other)
{
if (!(other instanceof Country))
return false;
Country castOther = (Country) other;
return new EqualsBuilder().append(name,
castOther.name).isEquals();
}
@Override
public int hashCode()
{
return new HashCodeBuilder().append(name).toHashCode();
}
@Override
public String toString()
{
return new ToStringBuilder(this).append("id",
id).append("name", name)
.toString();
}
}
I also set the version column to a value of 1 for each country row in the
database. But, I'm still getting the NPE.
mraible wrote:
>
> On 9/21/07, gederer <[EMAIL PROTECTED]> wrote:
>>
>> Hi,
>>
>> This is about to drive me mad. I have a custom PopertyEditor that I
>> register in initBinder(). When setAsText() gets called, I get a
>> NullPointerException that I can't seem to figure out. Here's the
>> stacktrace:
>>
>> DEBUG [btpool0-1] CountryPropertyEditor.setAsText(31) | Entering
>> CountryPropertyEditor.setAsText( 1 )
>> DEBUG [btpool0-1] CountryPropertyEditor.setAsText(34) |
>> [EMAIL PROTECTED]
>> java.lang.NullPointerException
>> at org.hibernate.type.IntegerType.next(IntegerType.java:59)
>> at org.hibernate.engine.Versioning.increment(Versioning.java:108)
>> at
>
> It looks like you're using an @Version on your pojo and it can't be
> incremented for some reason.
>
> Matt
>
>> org.hibernate.event.def.DefaultFlushEntityEventListener.getNextVersion(DefaultFlushEntityEventListener.java:365)
>> at
>> org.hibernate.event.def.DefaultFlushEntityEventListener.scheduleUpdate(DefaultFlushEntityEventListener.java:257)
>> at
>> org.hibernate.event.def.DefaultFlushEntityEventListener.onFlushEntity(DefaultFlushEntityEventListener.java:128)
>> at
>> org.hibernate.event.def.AbstractFlushingEventListener.flushEntities(AbstractFlushingEventListener.java:196)
>> at
>> org.hibernate.event.def.AbstractFlushingEventListener.flushEverythingToExecutions(AbstractFlushingEventListener.java:76)
>> at
>> org.hibernate.event.def.DefaultFlushEventListener.onFlush(DefaultFlushEventListener.java:26)
>> at org.hibernate.impl.SessionImpl.flush(SessionImpl.java:1000)
>> at
>> org.hibernate.impl.SessionImpl.managedFlush(SessionImpl.java:338)
>> at
>> org.hibernate.transaction.JDBCTransaction.commit(JDBCTransaction.java:106)
>> at
>> org.springframework.orm.hibernate3.HibernateTransactionManager.doCommit(HibernateTransactionManager.java:575)
>> at
>> org.springframework.transaction.support.AbstractPlatformTransactionManager.processCommit(AbstractPlatformTransactionManager.java:662)
>> at
>> org.springframework.transaction.support.AbstractPlatformTransactionManager.commit(AbstractPlatformTransactionManager.java:632)
>> at
>> org.springframework.transaction.interceptor.TransactionAspectSupport.commitTransactionAfterReturning(TransactionAspectSupport.java:314)
>> at
>> org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:117)
>> at
>> org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:166)
>> at
>> org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204)
>> at $Proxy59.get(Unknown Source)
>> at
>> com.firstworldtoys.model.CountryPropertyEditor.setAsText(CountryPropertyEditor.java:35)
>> at
>> org.springframework.beans.TypeConverterDelegate.doConvertTextValue(TypeConverterDelegate.java:326)
>> at
>> org.springframework.beans.TypeConverterDelegate.doConvertValue(TypeConverterDelegate.java:310)
>> at
>> org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:192)
>> at
>> org.springframework.beans.TypeConverterDelegate.convertIfNecessary(TypeConverterDelegate.java:138)
>> at
>> org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:815)
>> at
>> org.springframework.beans.BeanWrapperImpl.setPropertyValue(BeanWrapperImpl.java:645)
>> at
>> org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:78)
>> at
>> org.springframework.validation.DataBinder.applyPropertyValues(DataBinder.java:532)
>> at
>> org.springframework.validation.DataBinder.doBind(DataBinder.java:434)
>> at
>> org.springframework.web.bind.WebDataBinder.doBind(WebDataBinder.java:147)
>> at
>> org.springframework.web.bind.ServletRequestDataBinder.bind(ServletRequestDataBinder.java:108)
>> at
>> org.springframework.web.servlet.mvc.BaseCommandController.bindAndValidate(BaseCommandController.java:369)
>> at
>> org.springframework.web.servlet.mvc.AbstractFormController.handleRequestInternal(AbstractFormController.java:248)
>> at
>> org.springframework.web.servlet.mvc.AbstractController.handleRequest(AbstractController.java:153)
>> at
>> org.springframework.web.servlet.mvc.SimpleControllerHandlerAdapter.handle(SimpleControllerHandlerAdapter.java:48)
>> at
>> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:857)
>> at
>> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:792)
>> at
>> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:475)
>> at
>> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:440)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:727)
>> at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
>> at
>> org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
>> at
>> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:362)
>> at
>> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>> at
>> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>> at
>> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
>> at
>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>> at
>> org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:224)
>> at
>> org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
>> at
>> com.firstworldtoys.webapp.filter.StaticFilter.doFilterInternal(StaticFilter.java:102)
>> at
>> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
>> at
>> com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.tuckey.web.filters.urlrewrite.RuleChain.handleRewrite(RuleChain.java:164)
>> at
>> org.tuckey.web.filters.urlrewrite.RuleChain.doRules(RuleChain.java:141)
>> at
>> org.tuckey.web.filters.urlrewrite.UrlRewriter.processRequest(UrlRewriter.java:90)
>> at
>> org.tuckey.web.filters.urlrewrite.UrlRewriteFilter.doFilter(UrlRewriteFilter.java:406)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.displaytag.filter.ResponseOverrideFilter.doFilter(ResponseOverrideFilter.java:125)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> net.sf.ehcache.constructs.web.filter.GzipFilter.doFilter(GzipFilter.java:75)
>> at
>> net.sf.ehcache.constructs.web.filter.Filter.doFilter(Filter.java:92)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> com.firstworldtoys.webapp.filter.LocaleFilter.doFilterInternal(LocaleFilter.java:74)
>> at
>> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> com.opensymphony.clickstream.ClickstreamFilter.doFilter(ClickstreamFilter.java:42)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
>> at
>> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:265)
>> at
>> org.acegisecurity.intercept.web.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:107)
>> at
>> org.acegisecurity.intercept.web.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:72)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:110)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.wrapper.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:81)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:229)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:286)
>> at
>> org.acegisecurity.util.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:275)
>> at
>> org.acegisecurity.util.FilterChainProxy.doFilter(FilterChainProxy.java:149)
>> at
>> org.acegisecurity.util.FilterToBeanProxy.doFilter(FilterToBeanProxy.java:98)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:96)
>> at
>> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:75)
>> at
>> org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
>> at
>> org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
>> at
>> org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
>> at
>> org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
>> at
>> org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:712)
>> at
>> org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
>> at
>> org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:211)
>> at
>> org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
>> at
>> org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:139)
>> at org.mortbay.jetty.Server.handle(Server.java:313)
>> at
>> org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:506)
>> at
>> org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:844)
>> at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:644)
>> at
>> org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
>> at
>> org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:381)
>> at
>> org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:396)
>> at
>> org.mortbay.thread.BoundedThreadPool$PoolThread.run(BoundedThreadPool.java:442)
>>
>> This is the PropertyEditor:
>>
>> package com.firstworldtoys.model;
>>
>> import java.beans.PropertyEditorSupport;
>>
>> import org.apache.commons.logging.Log;
>> import org.apache.commons.logging.LogFactory;
>>
>> import com.firstworldtoys.service.GenericManager;
>>
>> public class CountryPropertyEditor extends PropertyEditorSupport
>> {
>> protected final transient Log log = LogFactory.getLog(getClass());
>> private GenericManager<Country, Long> countryManager = null;
>>
>> public CountryPropertyEditor()
>> {
>> }
>>
>> public CountryPropertyEditor(GenericManager<Country, Long>
>> countryManager)
>> {
>> setCountryManager(countryManager);
>> }
>>
>> public void setCountryManager(GenericManager<Country, Long>
>> countryManager)
>> {
>> this.countryManager = countryManager;
>> }
>>
>> public void setAsText(String s)
>> {
>> log.debug("Entering " + getClass().getSimpleName() +
>> ".setAsText( " + s +
>> " )");
>> try
>> {
>> log.debug(countryManager);
>> Country country = countryManager.get(new
>> Long(s));
>> super.setValue(country);
>> }
>> catch (Exception e)
>> {
>> e.printStackTrace();
>> }
>> }
>> }
>>
>> I know that countryManager is not null, and I am able to use the same
>> instance to retrieve a list of Country objects in referenceData().
>>
>> This is in my applicationContext-service.xml:
>>
>> <bean id="countryManager"
>> class="com.firstworldtoys.service.impl.GenericManagerImpl">
>> <constructor-arg>
>> <bean class="com.firstworldtoys.dao.hibernate.GenericDaoHibernate"
>> autowire="byType">
>> <constructor-arg value="com.firstworldtoys.model.Country" />
>> </bean>
>> </constructor-arg>
>> </bean>
>>
>> Any suggestions? I'm really stuck.
>>
>> Thanks!
>>
>> Greg
>> --
>> View this message in context:
>> http://www.nabble.com/Weird-NPE-in-custom-PropertyEditor-tf4497693s2369.html#a12826834
>> Sent from the AppFuse - User mailing list archive at Nabble.com.
>>
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>>
>
>
> --
> http://raibledesigns.com
>
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