2015-06-03 21 views
5

tôi bị mắc kẹt về lỗi này:mùa xuân phương pháp dữ liệu JPA FindAll() với Predicate - QueryDslPredicateExecutor

Tôi muốn sử dụng một phương pháp mà thực hiện tìm kiếm với vị với QueryDslPredicateExecutor. Khi phương pháp chạy trên Thực hiện dịch vụ của tôi, tôi đã nhận lỗi này:

16:59:44,165 DEBUG [org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver] (http-localhost-127.0.0.1-9090-4) Resolving exception from handler [public br.com.cleartech.itx.web.dto.PageDto br.com.cleartech.itx.web.controller.CngController.list(br.com.cleartech.itx.core.domain.Cng,org.springframework.data.domain.Pageable)]: org.springframework.data.mapping.PropertyReferenceException: No property cng found for type Cng! 
16:59:44,167 DEBUG [org.springframework.web.servlet.mvc.method.annotation.ExceptionHandlerExceptionResolver] (http-localhost-127.0.0.1-9090-4) Invoking @ExceptionHandler method: public org.springframework.web.servlet.ModelAndView br.com.cleartech.itx.web.exception.WebExceptionHandler.runtime(java.lang.Exception) 
16:59:44,169 ERROR [br.com.cleartech.itx.web.exception.WebExceptionHandler] (http-localhost-127.0.0.1-9090-4) No property cng found for type Cng! 
16:59:44,170 DEBUG [org.springframework.web.servlet.DispatcherServlet] (http-localhost-127.0.0.1-9090-4) Handler execution resulted in exception - forwarding to resolved error view: ModelAndView: reference to view with name 'error'; model is {exception=org.springframework.data.mapping.PropertyReferenceException: No property cng found for type Cng!}: org.springframework.data.mapping.PropertyReferenceException: No property cng found for type Cng! 
    at org.springframework.data.mapping.PropertyPath.<init>(PropertyPath.java:75) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:327) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.mapping.PropertyPath.create(PropertyPath.java:307) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:270) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.mapping.PropertyPath.from(PropertyPath.java:241) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.jpa.repository.query.QueryUtils.toJpaOrder(QueryUtils.java:448) [spring-data-jpa-1.6.5.RELEASE.jar:] 
    at org.springframework.data.jpa.repository.query.QueryUtils.toOrders(QueryUtils.java:411) [spring-data-jpa-1.6.5.RELEASE.jar:] 
    at org.springframework.data.jpa.repository.support.SimpleJpaRepository.getQuery(SimpleJpaRepository.java:499) [spring-data-jpa-1.6.5.RELEASE.jar:] 
    at org.springframework.data.jpa.repository.support.SimpleJpaRepository.getQuery(SimpleJpaRepository.java:480) [spring-data-jpa-1.6.5.RELEASE.jar:] 
    at org.springframework.data.jpa.repository.support.SimpleJpaRepository.findAll(SimpleJpaRepository.java:362) [spring-data-jpa-1.6.5.RELEASE.jar:] 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_21] 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_21] 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_21] 
    at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_21] 
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.executeMethodOn(RepositoryFactorySupport.java:405) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.doInvoke(RepositoryFactorySupport.java:390) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.data.repository.core.support.RepositoryFactorySupport$QueryExecutorMethodInterceptor.invoke(RepositoryFactorySupport.java:344) [spring-data-commons-1.8.5.RELEASE.jar:] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.dao.support.PersistenceExceptionTranslationInterceptor.invoke(PersistenceExceptionTranslationInterceptor.java:155) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.data.jpa.repository.support.CrudMethodMetadataPostProcessor$CrudMethodMetadataPopulatingMethodIntercceptor.invoke(CrudMethodMetadataPostProcessor.java:119) [spring-data-jpa-1.6.5.RELEASE.jar:] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(ExposeInvocationInterceptor.java:91) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at com.sun.proxy.$Proxy126.findAll(Unknown Source) 
    at br.com.cleartech.itx.core.service.impl.CngServiceImpl.search(CngServiceImpl.java:26) [itx-core-0.0.1-SNAPSHOT.jar:] 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_21] 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_21] 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_21] 
    at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_21] 
    at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:317) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionInterceptor$1.proceedWithInvocation(TransactionInterceptor.java:96) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionAspectSupport.invokeWithinTransaction(TransactionAspectSupport.java:260) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:94) [spring-tx-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:204) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at com.sun.proxy.$Proxy127.search(Unknown Source) 
    at br.com.cleartech.itx.web.controller.CngController.list(CngController.java:41) [classes:] 
    at br.com.cleartech.itx.web.controller.CngController$$FastClassBySpringCGLIB$$48ccc37.invoke(<generated>) [spring-core-3.2.13.RELEASE.jar:] 
    at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:204) [spring-core-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:700) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.security.access.intercept.aopalliance.MethodSecurityInterceptor.invoke(MethodSecurityInterceptor.java:64) [spring-security-core-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.aop.framework.CglibAopProxy$DynamicAdvisedInterceptor.intercept(CglibAopProxy.java:633) [spring-aop-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at br.com.cleartech.itx.web.controller.CngController$$EnhancerBySpringCGLIB$$1abe0d77.list(<generated>) [spring-core-3.2.13.RELEASE.jar:] 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_21] 
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_21] 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_21] 
    at java.lang.reflect.Method.invoke(Method.java:601) [rt.jar:1.7.0_21] 
    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) [spring-web-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) [spring-web-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:743) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:672) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:82) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:919) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:851) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:953) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:855) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:754) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final] 
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:829) [spring-webmvc-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:847) [jboss-servlet-api_3.0_spec-1.0.0.Final.jar:1.0.0.Final] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:154) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.authentication.AbstractAuthenticationProcessingFilter.doFilter(AbstractAuthenticationProcessingFilter.java:199) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.authentication.logout.LogoutFilter.doFilter(LogoutFilter.java:110) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.context.request.async.WebAsyncManagerIntegrationFilter.doFilterInternal(WebAsyncManagerIntegrationFilter.java:50) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:106) [spring-web-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.session.ConcurrentSessionFilter.doFilter(ConcurrentSessionFilter.java:125) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) [spring-security-web-3.2.6.RELEASE.jar:3.2.6.RELEASE] 
    at org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:343) [spring-web-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:260) [spring-web-3.2.13.RELEASE.jar:3.2.13.RELEASE] 
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:280) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:] 
    at org.jboss.as.jpa.interceptor.WebNonTxEmCloserValve.invoke(WebNonTxEmCloserValve.java:50) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final] 
    at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final-RECOMPILE.jar:7.1.1.Final] 
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:] 
    at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:] 
    at java.lang.Thread.run(Thread.java:722) [rt.jar:1.7.0_21] 

Mã của tôi là như sau:

Entity tôi:

@Entity 
@Table(name = "CNG") 
public class Cng { 
    @Id 
    @SequenceGenerator(name = "SEQ_CNG", sequenceName = "SEQ_CNG", allocationSize = 1, initialValue= 1) 
    @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQ_CNG") 
    @Column(name = "PK_ID_CNG") 
    private Long pkIdCng; 

    @ManyToOne 
    @JoinColumn(name = "FK_ID_OPERADORA", nullable = false) 
    private Operadora operadora; 

    @Column(name = "RN2") 
    private String rn2; 

    @Column(name = "NGEO") 
    private String ngeo; 

    @ManyToOne 
    @JoinColumn(name = "FK_ID_PREFIXO", nullable = false) 
    private Prefixo prefixo; 

    @Column(name = "FAIXA_INICIAL") 
    private String faixaInicial; 

    @Column(name = "FAIXA_FINAL") 
    private String faixaFinal; 

    @Column(name = "INFO_SOLICITACAO") 
    private String infoSolicitacao; 

    @Column(name = "DT_CADASTRO") 
    @Type(type = "org.jadira.usertype.dateandtime.joda.PersistentDateTime") 
    private Timestamp dtCadastro; 


    @Column(name = "FL_ATIVO", precision = 1, scale = 0, nullable = false) 
    @Enumerated(EnumType.ORDINAL) 
    private TipoSituacao situacao; 



    private static final QCng qCng = QCng.cng; 
    /** 
    * Cria um novo Predicate com propriedades diferente de null. 
    * Create a Predicate with not null properties. 
    * @return {@link com.mysema.query.types.Predicate} 
    */ 
    public Predicate toPredicate() { 
     BooleanBuilder builder = new BooleanBuilder(); 

     if (pkIdCng!= null) { 
      builder.and(qCng.pkIdCng.eq(pkIdCng)); 
     } 

     if (operadora != null) { 
      builder.and(qCng.operadora.cdEot.eq(operadora.getCdEot())); 
     } 


     if (rn2!= null) { 
      builder.and(qCng.rn2.eq(rn2)); 
     } 


     if (ngeo!= null) { 
      builder.and(qCng.ngeo.eq(ngeo)); 
     } 

     if (prefixo != null) { 
      builder.and(qCng.prefixo.idPrefixo.eq(prefixo.getIdPrefixo())); 
     } 


     if (faixaInicial!= null) { 
      builder.and(qCng.faixaInicial.eq(faixaInicial)); 
     } 


     if (faixaFinal!= null) { 
      builder.and(qCng.faixaFinal.eq(faixaFinal)); 
     } 


     if (infoSolicitacao!= null) { 
      builder.and(qCng.infoSolicitacao.eq(infoSolicitacao)); 
     } 

     if (dtCadastro != null) { 
      builder.and(qCng.dtCadastro.loe(dtCadastro)); 
     }   

     builder.and(qCng.situacao.eq(TipoSituacao.ATIVO)); 

     return builder; 
    } 

    @Override 
    public int hashCode() { 

    } 

    @Override 
    public boolean equals(Object obj) { 

    } 



} 

điều khiển của tôi:

public @ResponseBody PageDto list(@RequestBody Cng filtro, @PageableDefault(page = 1, size = 15) Pageable pageable) { 
      List<Cng> items = new ArrayList<>(); 
      Page<Cng> page = cngService.search(filtro.toPredicate(), pageable); 
      if (!page.getContent().isEmpty()) { 
       items = page.getContent(); 
      } 
      return ViewUtils.setPaging(items, page); 
     } 

Triển khai dịch vụ của tôi:

@Service 
public class CngServiceImpl implements CngService { 

    @Autowired private CngRepository repository; 

    public Page<Cng> search(Predicate predicate, Pageable pageable) { 
      Page<Cng> page = repository.findAll(predicate, pageable); 
      return page; 
    }  
} 

Và Giao diện Repository của tôi:

public interface CngRepository extends JpaRepository<Cng, Long>, 
QueryDslPredicateExecutor<Cng> { 

//...// 
} 

Tôi không hiểu những gì là sai ... xin vui lòng giúp đỡ; Cảm ơn

+0

Đánh dấu phương thức dịch vụ của bạn @transactional thường hoạt động – ArunM

+0

Bạn có thể cung cấp toàn bộ stacktrace không? –

+0

vẫn không kết thúc với @transactional –

Trả lời

4

Như hiển nhiên từ theo dõi ngăn xếp, bạn đang chuyển một số loại đối tượng Sort với Pageable vào phương thức findAll(…). Biểu thức sắp xếp này dường như bắt đầu bằng cgn. Tuy nhiên, lớp học của bạn Cgn không có thuộc tính có tên cgn, đó chính xác là thông điệp ngoại lệ cho bạn biết.

org.springframework.data.mapping.PropertyReferenceException: No property cng found for type Cng! 
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