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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