Knowing that this had to do with version, I figured out that the version
property was not set in my command object. Initializing it to 1 in my sample
data did the trick.
Thanks!
Greg
gederer wrote:
>
> 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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>>> To unsubscribe, e-mail: [EMAIL PROTECTED]
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>>>
>>>
>>
>>
>> --
>> http://raibledesigns.com
>>
>> ---------------------------------------------------------------------
>> To unsubscribe, e-mail: [EMAIL PROTECTED]
>> For additional commands, e-mail: [EMAIL PROTECTED]
>>
>>
>>
>
>
--
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