2015-02-03 9 views
6

sto ottenendo seguente eccezione: -EclipseLink Query - select count (*) da studente non s lavoro

[13, 13] L'espressione a sinistra è presente l'espressione aritmetica. [14, 14] Manca l'espressione giusta dall'espressione aritmetica.

Please help me analizza il problema.

P.S. Se sostituisco la query precedente nel mio codice con select * from student s, funziona correttamente.

Exception Description: Syntax error parsing [select count(*) from Student s ]. 
    [13, 13] The left expression is missing from the arithmetic expression. 
    [14, 14] The right expression is missing from the arithmetic expression. 
    java.lang.IllegalArgumentException: An exception occurred while creating a query in EntityManager: 
    Exception Description: Syntax error parsing [select count(*) from Student s ]. 
    [13, 13] The left expression is missing from the arithmetic expression. 
    [14, 14] The right expression is missing from the arithmetic expression. 
     at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createQuery(EntityManagerImpl.java:1605) 
     at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
     at java.lang.reflect.Method.invoke(Unknown Source) 
     at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:334) 
     at com.sun.proxy.$Proxy84.createQuery(Unknown Source) 
     at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
     at java.lang.reflect.Method.invoke(Unknown Source) 
     at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:257) 
     at com.sun.proxy.$Proxy84.createQuery(Unknown Source) 
     at com.core.commons.domain.util.reference.repository.AbstractSearchCriteriaSupportRepositoryImpl.createQuery(AbstractSearchCriteriaSupportRepositoryImpl.java:146) 
     at com.core.commons.domain.util.reference.repository.AbstractSearchCriteriaSupportRepositoryImpl.getTotalRecordsCount(AbstractSearchCriteriaSupportRepositoryImpl.java:117) 
     at com.core.commons.domain.util.reference.repository.AbstractSearchCriteriaSupportRepositoryImpl.findBy(AbstractSearchCriteriaSupportRepositoryImpl.java:48) 
     at com.wfm.ft.service.FinancialTransactionServiceImpl.getAllBillingAccounts(FinancialTransactionServiceImpl.java:157) 
     at com.wfm.ft.web.FTEntryController.getAllBillingAccounts(FTEntryController.java:42) 
     at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
     at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
     at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
     at java.lang.reflect.Method.invoke(Unknown Source) 
     at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) 
     at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) 
     at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) 
     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) 
     at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690) 
     at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) 
     at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) 
     at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) 
     at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) 
     at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:755) 
     at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) 
     at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) 
     at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496) 
     at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilter(WebRequestTraceFilter.java:115) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextFilterConfiguration$1.doFilterInternal(EndpointWebMvcAutoConfiguration.java:137) 
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) 
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at org.springframework.boot.actuate.autoconfigure.MetricFilterAutoConfiguration$MetricsFilter.doFilterInternal(MetricFilterAutoConfiguration.java:85) 
     at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.AssociatedPartiesCallChecker.doFilter(AssociatedPartiesCallChecker.java:64) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.AdminUrlCallChecker.doFilter(AdminUrlCallChecker.java:53) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.BEMatcherFilter.doFilter(BEMatcherFilter.java:68) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.HttpCreateProcessContextFilter.doFilter(HttpCreateProcessContextFilter.java:44) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.HttpSecuredAccessDataExtractor.doFilter(HttpSecuredAccessDataExtractor.java:89) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.CreateSystemUserContextFilter.doFilter(CreateSystemUserContextFilter.java:69) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.web.SimpleCORSFilter.verifyRequestAndProcess(SimpleCORSFilter.java:183) 
     at com.core.commons.service.web.SimpleCORSFilter.doFilter(SimpleCORSFilter.java:83) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at com.core.commons.service.security.filter.TenantProcessContextFilter.doFilter(TenantProcessContextFilter.java:51) 
     at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
     at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499) 
     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) 
     at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) 
     at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) 
     at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) 
     at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) 
     at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) 
     at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) 
     at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) 
     at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) 
     at org.eclipse.jetty.server.Server.handle(Server.java:370) 
     at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494) 
     at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982) 
     at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043) 
     at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) 
     at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) 
     at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) 
     at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667) 
     at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) 
     at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) 
     at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) 
     at java.lang.Thread.run(Unknown Source) 
    Caused by: Exception [EclipseLink-0] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): org.eclipse.persistence.exceptions.JPQLException 
    Exception Description: Syntax error parsing [select count(*) from Student s ]. 
    [13, 13] The left expression is missing from the arithmetic expression. 
    [14, 14] The right expression is missing from the arithmetic expression. 
     at org.eclipse.persistence.internal.jpa.jpql.HermesParser.buildException(HermesParser.java:155) 
     at org.eclipse.persistence.internal.jpa.jpql.HermesParser.validate(HermesParser.java:334) 
     at org.eclipse.persistence.internal.jpa.jpql.HermesParser.populateQueryImp(HermesParser.java:278) 
     at org.eclipse.persistence.internal.jpa.jpql.HermesParser.buildQuery(HermesParser.java:163) 
     at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:142) 
     at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:116) 
     at org.eclipse.persistence.internal.jpa.EJBQueryImpl.<init>(EJBQueryImpl.java:102) 
     at org.eclipse.persistence.internal.jpa.EJBQueryImpl.<init>(EJBQueryImpl.java:86) 
     at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createQuery(EntityManagerImpl.java:1603) 
     ... 84 more 

UPDATE 1

Exception Description: Problem compiling [select count(ax) from (select gle.glAccount.accountId as accountId, gle.glAccount.qualifier.name as accountName, gle.glAccount.accountType as accountType,gle.amount.currency.symbol as symbol ,sum(gle.amount.value * gle.postingTypeValue) as totalSum from GLEntry gle group by gle.glAccount.id, gle.glAccount.qualifier.name, gle.glAccount.accountType, gle.amount.currency.symbol,gle.glAccount.id) ax]. 
[22, 399] '(select gle.glAccount.accountId as accountId, gle.glAccount.qualifier.name as accountName, gle.glAccount.accountType as accountType, gle.amount.currency.symbol as symbol, sum(gle.amount.value * gle.postingTypeValue) as totalSum from GLEntry gle group by gle.glAccount.id, gle.glAccount.qualifier.name, gle.glAccount.accountType, gle.amount.currency.symbol, gle.glAccount.id) ax' cannot be the first declaration of the FROM clause. 
java.lang.IllegalArgumentException: An exception occurred while creating a query in EntityManager: 
Exception Description: Problem compiling [select count(ax) from (select gle.glAccount.accountId as accountId, gle.glAccount.qualifier.name as accountName, gle.glAccount.accountType as accountType,gle.amount.currency.symbol as symbol ,sum(gle.amount.value * gle.postingTypeValue) as totalSum from GLEntry gle group by gle.glAccount.id, gle.glAccount.qualifier.name, gle.glAccount.accountType, gle.amount.currency.symbol,gle.glAccount.id) ax]. 
[22, 399] '(select gle.glAccount.accountId as accountId, gle.glAccount.qualifier.name as accountName, gle.glAccount.accountType as accountType, gle.amount.currency.symbol as symbol, sum(gle.amount.value * gle.postingTypeValue) as totalSum from GLEntry gle group by gle.glAccount.id, gle.glAccount.qualifier.name, gle.glAccount.accountType, gle.amount.currency.symbol, gle.glAccount.id) ax' cannot be the first declaration of the FROM clause. 
    at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createQuery(EntityManagerImpl.java:1605) 
    at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
    at java.lang.reflect.Method.invoke(Unknown Source) 
    at org.springframework.orm.jpa.ExtendedEntityManagerCreator$ExtendedEntityManagerInvocationHandler.invoke(ExtendedEntityManagerCreator.java:334) 
    at com.sun.proxy.$Proxy84.createQuery(Unknown Source) 
    at sun.reflect.GeneratedMethodAccessor29.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
    at java.lang.reflect.Method.invoke(Unknown Source) 
    at org.springframework.orm.jpa.SharedEntityManagerCreator$SharedEntityManagerInvocationHandler.invoke(SharedEntityManagerCreator.java:257) 
    at com.sun.proxy.$Proxy84.createQuery(Unknown Source) 
    at com.core.commons.domain.util.reference.repository.AbstractSearchCriteriaSupportRepositoryImpl.createQuery(AbstractSearchCriteriaSupportRepositoryImpl.java:134) 
    at com.core.commons.domain.util.reference.repository.AbstractSearchCriteriaSupportRepositoryImpl.getTotalRecordsCount(AbstractSearchCriteriaSupportRepositoryImpl.java:109) 
    at com.core.commons.domain.util.reference.repository.AbstractSearchCriteriaSupportRepositoryImpl.findBy(AbstractSearchCriteriaSupportRepositoryImpl.java:48) 
    at com..ft.service.FinancialTransactionServiceImpl.getAllBillingAccounts(FinancialTransactionServiceImpl.java:157) 
    at com..ft.web.FTEntryController.getAllBillingAccounts(FTEntryController.java:42) 
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) 
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) 
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) 
    at java.lang.reflect.Method.invoke(Unknown Source) 
    at org.springframework.web.method.support.InvocableHandlerMethod.invoke(InvocableHandlerMethod.java:215) 
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:132) 
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:104) 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandleMethod(RequestMappingHandlerAdapter.java:749) 
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:690) 
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:83) 
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:945) 
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:876) 
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:961) 
    at org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:863) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:755) 
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:837) 
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:848) 
    at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:684) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1496) 
    at org.springframework.boot.actuate.trace.WebRequestTraceFilter.doFilter(WebRequestTraceFilter.java:115) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at org.springframework.boot.actuate.autoconfigure.EndpointWebMvcAutoConfiguration$ApplicationContextFilterConfiguration$1.doFilterInternal(EndpointWebMvcAutoConfiguration.java:137) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:77) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at org.springframework.boot.actuate.autoconfigure.MetricFilterAutoConfiguration$MetricsFilter.doFilterInternal(MetricFilterAutoConfiguration.java:85) 
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:108) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.AssociatedPartiesCallChecker.doFilter(AssociatedPartiesCallChecker.java:64) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.AdminUrlCallChecker.doFilter(AdminUrlCallChecker.java:53) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.BEMatcherFilter.doFilter(BEMatcherFilter.java:68) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.HttpCreateProcessContextFilter.doFilter(HttpCreateProcessContextFilter.java:44) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.HttpSecuredAccessDataExtractor.doFilter(HttpSecuredAccessDataExtractor.java:89) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.CreateSystemUserContextFilter.doFilter(CreateSystemUserContextFilter.java:80) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.web.SimpleCORSFilter.verifyRequestAndProcess(SimpleCORSFilter.java:183) 
    at com.core.commons.service.web.SimpleCORSFilter.doFilter(SimpleCORSFilter.java:83) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at com.core.commons.service.security.filter.TenantProcessContextFilter.doFilter(TenantProcessContextFilter.java:51) 
    at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1467) 
    at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) 
    at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:557) 
    at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231) 
    at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086) 
    at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428) 
    at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193) 
    at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020) 
    at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) 
    at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) 
    at org.eclipse.jetty.server.Server.handle(Server.java:370) 
    at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:494) 
    at org.eclipse.jetty.server.AbstractHttpConnection.content(AbstractHttpConnection.java:982) 
    at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.content(AbstractHttpConnection.java:1043) 
    at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:865) 
    at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:240) 
    at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) 
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:667) 
    at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52) 
    at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) 
    at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) 
    at java.lang.Thread.run(Unknown Source) 
Caused by: Exception [EclipseLink-0] (Eclipse Persistence Services - 2.5.2.v20140319-9ad6abd): org.eclipse.persistence.exceptions.JPQLException 
Exception Description: Problem compiling [select count(ax) from (select gle.glAccount.accountId as accountId, gle.glAccount.qualifier.name as accountName, gle.glAccount.accountType as accountType,gle.amount.currency.symbol as symbol ,sum(gle.amount.value * gle.postingTypeValue) as totalSum from GLEntry gle group by gle.glAccount.id, gle.glAccount.qualifier.name, gle.glAccount.accountType, gle.amount.currency.symbol,gle.glAccount.id) ax]. 
[22, 399] '(select gle.glAccount.accountId as accountId, gle.glAccount.qualifier.name as accountName, gle.glAccount.accountType as accountType, gle.amount.currency.symbol as symbol, sum(gle.amount.value * gle.postingTypeValue) as totalSum from GLEntry gle group by gle.glAccount.id, gle.glAccount.qualifier.name, gle.glAccount.accountType, gle.amount.currency.symbol, gle.glAccount.id) ax' cannot be the first declaration of the FROM clause. 
    at org.eclipse.persistence.internal.jpa.jpql.HermesParser.buildException(HermesParser.java:155) 
    at org.eclipse.persistence.internal.jpa.jpql.HermesParser.validate(HermesParser.java:347) 
    at org.eclipse.persistence.internal.jpa.jpql.HermesParser.populateQueryImp(HermesParser.java:278) 
    at org.eclipse.persistence.internal.jpa.jpql.HermesParser.buildQuery(HermesParser.java:163) 
    at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:142) 
    at org.eclipse.persistence.internal.jpa.EJBQueryImpl.buildEJBQLDatabaseQuery(EJBQueryImpl.java:116) 
    at org.eclipse.persistence.internal.jpa.EJBQueryImpl.<init>(EJBQueryImpl.java:102) 
    at org.eclipse.persistence.internal.jpa.EJBQueryImpl.<init>(EJBQueryImpl.java:86) 
    at org.eclipse.persistence.internal.jpa.EntityManagerImpl.createQuery(EntityManagerImpl.java:1603) 
    ... 84 more 

risposta

6

Prova utilizzando select count(s) from Student s.

+0

Ho usato lo stesso nello scenario attuale ma ottenendo comunque qualche eccezione. Si prega di controllare l'AGGIORNAMENTO 1. P.S. Ha funzionato in query semplici come select count (ax) da GLEntry ax. Grazie –

1

Penso che l'eccezione sia piuttosto auto-esplicativa. Il parser JPQL considera (*) come operatore aritmetico, quindi si aspetta che due operandi tra parentesi eseguano la moltiplicazione.

Al fine di rendere di query lavoro stringa si avrebbe bisogno di aggiungere percorso espressioni che si riferiscono ai campi di stato dello studente, cioè

-- dummy example 
SELECT COUNT(s.age * s.height) FROM Student s 

Se siete interessati con l'implementazione di EclipseLink si può andare più in profondità e dare un'occhiata più da vicino al metodo org.eclipse.persistence.internal.jpa.jpql.HermesParser.validate in cui inizia la convalida grammaticale e semantica.

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