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  1. Olingo
  2. OLINGO-714

ClassCastException on expand when multiple times the same entity is referenced

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Fixed
    • V2 2.0.5
    • V2 2.0.5
    • odata2-jpa
    • java 8, wildfly-8.2.0, hibernate 4.3.7.Final
    • Patch

    Description

      When an entity has multiple relations to another entity and one of these relations is a unidirectional @ManyToOne relation a class cast exception is thrown.

      e.g.

      @Entity
public class Entity {
    @Id
    private String id;
    @ManyToOne(fetch=FetchType.LAZY)
    private OtherEntity primaryOtherEntity;
    @OneToMany(mappedBy="entity", fetch=FetchType.LAZY)
    private List<OtherEntity> OtherEntities;

   // ... getter and setter
}

@Entity
public class OtherEntity {
    @Id
    private String id;
    @ManyToOne(fetch=FetchType.LAZY)
    private Entity entity;

     // ... getter and setter
}

      http://localhost:8080/Example.svc/Entity?$expand=OtherEntityDetails%2cOtherEntityDetails1

      16:31:20,579 ERROR [stderr] (default task-26) java.lang.ClassCastException: com.example.cloud.entities.OtherEntity_$$_jvst6ce_d6 cannot be cast to java.util.Collection

16:31:20,579 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.jpa.processor.core.callback.JPAExpandCallBack.retrieveFeedResult(JPAExpandCallBack.java:148)

16:31:20,579 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.appendInlineFeed(AtomEntryEntityProducer.java:275)

16:31:20,579 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.appendAtomNavigationLink(AtomEntryEntityProducer.java:241)

16:31:20,579 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.appendAtomNavigationLinks(AtomEntryEntityProducer.java:222)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.append(AtomEntryEntityProducer.java:126)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.AtomEntityProvider.writeEntry(AtomEntityProvider.java:174)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.ProviderFacadeImpl.writeEntry(ProviderFacadeImpl.java:128)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.api.ep.EntityProvider.writeEntry(EntityProvider.java:576)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.jpa.processor.core.ODataJPAResponseBuilderDefault.build(ODataJPAResponseBuilderDefault.java:167)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.jpa.processor.core.ODataJPAProcessorDefault.readEntity(ODataJPAProcessorDefault.java:82)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.Dispatcher.dispatch(Dispatcher.java:87)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ODataRequestHandler.handle(ODataRequestHandler.java:129)

16:31:20,580 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.rest.ODataSubLocator.handle(ODataSubLocator.java:167)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.rest.ODataSubLocator.handleGet(ODataSubLocator.java:58)

16:31:20,581 ERROR [stderr] (default task-26) 	at sun.reflect.GeneratedMethodAccessor129.invoke(Unknown Source)

16:31:20,581 ERROR [stderr] (default task-26) 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

16:31:20,581 ERROR [stderr] (default task-26) 	at java.lang.reflect.Method.invoke(Method.java:606)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:140)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:103)

16:31:20,581 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)

16:31:20,582 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)

16:31:20,582 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)

16:31:20,582 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)

16:31:20,582 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)

16:31:20,582 ERROR [stderr] (default task-26) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

16:31:20,582 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)

16:31:20,582 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)

16:31:20,582 ERROR [stderr] (default task-26) 	at org.picketlink.authentication.web.AuthenticationFilter.doFilter(AuthenticationFilter.java:170)

16:31:20,582 ERROR [stderr] (default task-26) 	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)

16:31:20,583 ERROR [stderr] (default task-26) 	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:56)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,583 ERROR [stderr] (default task-26) 	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:63)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,584 ERROR [stderr] (default task-26) 	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,584 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:261)

16:31:20,585 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:247)

16:31:20,585 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:76)

16:31:20,585 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:166)

16:31:20,585 ERROR [stderr] (default task-26) 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:197)

16:31:20,585 ERROR [stderr] (default task-26) 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:759)

16:31:20,585 ERROR [stderr] (default task-26) 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

16:31:20,585 ERROR [stderr] (default task-26) 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

16:31:20,585 ERROR [stderr] (default task-26) 	at java.lang.Thread.run(Thread.java:745)

16:31:20,599 ERROR [stderr] (default task-26) java.lang.ClassCastException: com.example.cloud.entities.OtherEntity_$$_jvst6ce_d6 cannot be cast to java.util.Collection

16:31:20,599 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.jpa.processor.core.callback.JPAExpandCallBack.retrieveFeedResult(JPAExpandCallBack.java:148)

16:31:20,599 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.appendInlineFeed(AtomEntryEntityProducer.java:275)

16:31:20,599 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.appendAtomNavigationLink(AtomEntryEntityProducer.java:241)

16:31:20,599 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.appendAtomNavigationLinks(AtomEntryEntityProducer.java:222)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.producer.AtomEntryEntityProducer.append(AtomEntryEntityProducer.java:126)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.AtomEntityProvider.writeEntry(AtomEntityProvider.java:174)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ep.ProviderFacadeImpl.writeEntry(ProviderFacadeImpl.java:128)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.api.ep.EntityProvider.writeEntry(EntityProvider.java:576)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.jpa.processor.core.ODataJPAResponseBuilderDefault.build(ODataJPAResponseBuilderDefault.java:167)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.jpa.processor.core.ODataJPAProcessorDefault.readEntity(ODataJPAProcessorDefault.java:82)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.Dispatcher.dispatch(Dispatcher.java:87)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.ODataRequestHandler.handle(ODataRequestHandler.java:129)

16:31:20,600 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.rest.ODataSubLocator.handle(ODataSubLocator.java:167)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.apache.olingo.odata2.core.rest.ODataSubLocator.handleGet(ODataSubLocator.java:58)

16:31:20,601 ERROR [stderr] (default task-26) 	at sun.reflect.GeneratedMethodAccessor129.invoke(Unknown Source)

16:31:20,601 ERROR [stderr] (default task-26) 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

16:31:20,601 ERROR [stderr] (default task-26) 	at java.lang.reflect.Method.invoke(Method.java:606)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:137)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceMethodInvoker.invokeOnTarget(ResourceMethodInvoker.java:296)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:250)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceLocatorInvoker.invokeOnTargetObject(ResourceLocatorInvoker.java:140)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.ResourceLocatorInvoker.invoke(ResourceLocatorInvoker.java:103)

16:31:20,601 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:356)

16:31:20,602 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:179)

16:31:20,602 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:220)

16:31:20,602 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:56)

16:31:20,602 ERROR [stderr] (default task-26) 	at org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:51)

16:31:20,602 ERROR [stderr] (default task-26) 	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

16:31:20,602 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletHandler.handleRequest(ServletHandler.java:85)

16:31:20,602 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:130)

16:31:20,602 ERROR [stderr] (default task-26) 	at org.picketlink.authentication.web.AuthenticationFilter.doFilter(AuthenticationFilter.java:170)

16:31:20,602 ERROR [stderr] (default task-26) 	at io.undertow.servlet.core.ManagedFilter.doFilter(ManagedFilter.java:60)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.FilterHandler$FilterChainImpl.doFilter(FilterHandler.java:132)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.FilterHandler.handleRequest(FilterHandler.java:85)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.ServletSecurityRoleHandler.handleRequest(ServletSecurityRoleHandler.java:61)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletDispatchingHandler.handleRequest(ServletDispatchingHandler.java:36)

16:31:20,603 ERROR [stderr] (default task-26) 	at org.wildfly.extension.undertow.security.SecurityContextAssociationHandler.handleRequest(SecurityContextAssociationHandler.java:78)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.SSLInformationAssociationHandler.handleRequest(SSLInformationAssociationHandler.java:131)

16:31:20,603 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.ServletAuthenticationCallHandler.handleRequest(ServletAuthenticationCallHandler.java:56)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.security.handlers.AbstractConfidentialityHandler.handleRequest(AbstractConfidentialityHandler.java:45)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.ServletConfidentialityConstraintHandler.handleRequest(ServletConfidentialityConstraintHandler.java:63)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.security.handlers.AuthenticationMechanismsHandler.handleRequest(AuthenticationMechanismsHandler.java:58)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.security.CachedAuthenticatedSessionHandler.handleRequest(CachedAuthenticatedSessionHandler.java:70)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.security.handlers.SecurityInitialHandler.handleRequest(SecurityInitialHandler.java:76)

16:31:20,604 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,605 ERROR [stderr] (default task-26) 	at org.wildfly.extension.undertow.security.jacc.JACCContextIdHandler.handleRequest(JACCContextIdHandler.java:61)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.server.handlers.PredicateHandler.handleRequest(PredicateHandler.java:43)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler.handleFirstRequest(ServletInitialHandler.java:261)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler.dispatchRequest(ServletInitialHandler.java:247)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler.access$000(ServletInitialHandler.java:76)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.servlet.handlers.ServletInitialHandler$1.handleRequest(ServletInitialHandler.java:166)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.server.Connectors.executeRootHandler(Connectors.java:197)

16:31:20,605 ERROR [stderr] (default task-26) 	at io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:759)

16:31:20,606 ERROR [stderr] (default task-26) 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)

16:31:20,606 ERROR [stderr] (default task-26) 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)

16:31:20,606 ERROR [stderr] (default task-26) 	at java.lang.Thread.run(Thread.java:745)

      I will open a pull request on github because we already have a patch.

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          is blocked by

          Bug - A problem which impairs or prevents the functions of the product. OLINGO-740 Association does not get created when there are multiple relationships between 2 tables

          • Major - Major loss of function.
          • Closed
          is related to

          Bug - A problem which impairs or prevents the functions of the product. OLINGO-225 OneToOne cast exception

          • Major - Major loss of function.
          • Closed

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              chandan.v.a Chandan V.A
              manuel_b Manuel Blechschmidt
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                Updated:
                Resolved: