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PONullPointerException when extending persistent CFC
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  1. PONullPointerException when extending persistent CFC
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    copied!<p>The error occurs when attempting to extend Unit with County, specifically, when restarting the application to initialize ORM. [Note: I'm attempting single-table inheritance]</p> <p>ORM is managing my DB schema: <code>this.ormsettings.dbcreate=dropcreate</code></p> <p>When I remove County.cfc from the models directory, ORM initializes and the application starts normally. When I put County.cfc back into the models directory, the error occurs again. </p> <p>ColdFusion version 10,282462 MSSQL IIS</p> <p>Unit:</p> <pre><code>&lt;cfcomponent persistent="true" entityname="Unit" table="Units" discriminatorColumn="type"&gt; &lt;cfproperty name="id" fieldtype="id" column="unit_id" generator="identity"&gt; &lt;cfproperty name="name" default="" type="string" length="50"&gt; &lt;cfproperty name="description" type="string" sqltype="varchar(max)" default=""&gt; &lt;cfproperty name="active" type="boolean" default="true"&gt; &lt;/cfcomponent&gt; </code></pre> <p>County:</p> <pre><code>&lt;cfcomponent persistent="true" entityname="County" table="Units" extends="Unit" discriminatorValue="county"&gt; &lt;cfproperty name="officeAddress" type="string"&gt; &lt;/cfcomponent&gt; </code></pre> <p>StackTrace:</p> <pre><code>java.lang.NullPointerException at org.hibernate.mapping.PersistentClass.createPrimaryKey(PersistentClass.java:322) at org.hibernate.cfg.HbmBinder.bindRootPersistentClassCommonValues(HbmBinder.java:405) at org.hibernate.cfg.HbmBinder.bindRootClass(HbmBinder.java:321) at org.hibernate.cfg.HbmBinder.bindRoot(HbmBinder.java:172) at org.hibernate.cfg.Configuration.add(Configuration.java:771) at org.hibernate.cfg.Configuration.addDocument(Configuration.java:586) at coldfusion.orm.hibernate.HibernateConfiguration.buildConfiguration(HibernateConfiguration.java:611) at coldfusion.orm.hibernate.HibernateConfiguration.initHibernateConfiguration(HibernateConfiguration.java:208) at coldfusion.orm.hibernate.HibernateConfiguration.&lt;init&gt;(HibernateConfiguration.java:181) at coldfusion.orm.hibernate.ConfigurationManager.initConfiguration(ConfigurationManager.java:67) at coldfusion.orm.hibernate.HibernateProvider.InitializeORMForApplication(HibernateProvider.java:185) at coldfusion.orm.hibernate.HibernateProvider.onPageRequestStart(HibernateProvider.java:151) at coldfusion.filter.ApplicationFilter.firePageRequestStart(ApplicationFilter.java:599) at coldfusion.filter.ApplicationFilter.invoke(ApplicationFilter.java:407) at coldfusion.filter.RequestMonitorFilter.invoke(RequestMonitorFilter.java:48) at coldfusion.filter.MonitoringFilter.invoke(MonitoringFilter.java:40) at coldfusion.filter.PathFilter.invoke(PathFilter.java:112) at coldfusion.filter.ExceptionFilter.invoke(ExceptionFilter.java:94) at coldfusion.filter.BrowserDebugFilter.invoke(BrowserDebugFilter.java:79) at coldfusion.filter.ClientScopePersistenceFilter.invoke(ClientScopePersistenceFilter.java:28) at coldfusion.filter.BrowserFilter.invoke(BrowserFilter.java:38) at coldfusion.filter.NoCacheFilter.invoke(NoCacheFilter.java:46) at coldfusion.filter.GlobalsFilter.invoke(GlobalsFilter.java:38) at coldfusion.filter.DatasourceFilter.invoke(DatasourceFilter.java:22) at coldfusion.filter.CachingFilter.invoke(CachingFilter.java:62) at coldfusion.CfmServlet.service(CfmServlet.java:204) at coldfusion.bootstrap.BootstrapServlet.service(BootstrapServlet.java:89) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at coldfusion.monitor.event.MonitoringServletFilter.doFilter(MonitoringServletFilter.java:42) at coldfusion.bootstrap.BootstrapFilter.doFilter(BootstrapFilter.java:46) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:224) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:169) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:98) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:928) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:414) at org.apache.coyote.ajp.AjpProcessor.process(AjpProcessor.java:203) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:539) at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:298) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:662) </code></pre> <p>Odd thing is that I'm already doing something similar with another entity (DiscussionPost extends Post):</p> <p>Post:</p> <pre><code>&lt;cfcomponent persistent="true" entityname="Post" table="Posts" discriminatorColumn="type"&gt; &lt;cfproperty name="id" fieldtype="id" column="post_id" generator="identity"&gt; &lt;cfproperty name="promotions" fieldtype="one-to-many" cfc="PostPromotion" fkcolumn="post_id" singularname="promotion"&gt; &lt;cfproperty name="comments" fieldtype="one-to-many" cfc="PostComment" fkcolumn="post_id" singularname="comment"&gt; &lt;cfproperty name="user" fieldtype="many-to-one" cfc="User" fkcolumn="user_id"&gt; &lt;cfproperty name="text" type="string" sqltype="varchar(1000)"&gt; &lt;cfproperty name="timestamp" type="date" ormtype="timestamp"&gt; &lt;/cfcomponent&gt; </code></pre> <p>DiscussionPost:</p> <pre><code>&lt;cfcomponent persistent="true" entityname="DiscussionPost" table="Posts" extends="Post" discriminatorValue="discussionpost"&gt; &lt;cfproperty name="discussion" fieldtype="many-to-one" cfc="Discussion" fkcolumn="discussion_id"&gt; &lt;cfproperty name="title" type="string" sqltype="varchar(200)"&gt; &lt;/cfcomponent&gt; </code></pre> <p>What am I missing?</p>
 

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