I also got same exception, below are my qyuery and exception;
org.hibernate.exception.GenericJDBCException: General error:
"java.lang.NullPointerException"; SQL statement:
select eqlvvolsta0_.ID as ID15_0_, eqlvvolsta0_.GROUPID as GROUPID15_0_,
eqlvvolsta0_1_.VERSION as VERSION15_0_, eqlvvolsta0_1_.NAME as NAME15_0_,
eqlvvolsta0_1_.INSTANCE as INSTANCE15_0_, eqlvvolsta0_1_.PARENTID as
PARENTID15_0_, eqlvvolsta0_1_.RETRIEVALTIMESTAMP as RETRIEVA7_15_0_,
eqlvvolsta0_.SIZE as SIZE98_0_, eqlvvolsta0_.INUSESPACE as INUSESPACE98_0_,
eqlvvolsta0_.FREESPACE as FREESPACE98_0_, eqlvvolsta0_.SHAREDSPACE as
SHAREDSP6_98_0_, eqlvvolsta0_.UNSHAREDSPACE as UNSHARED7_98_0_,
eqlvvolsta0_.OPERSTATUS as OPERSTATUS98_0_ from EQLVVOLSTATUSELEM
eqlvvolsta0_ inner join EQLDATAELEMENT eqlvvolsta0_1_ on
eqlvvolsta0_.ID=eqlvvolsta0_1_.ID and
eqlvvolsta0_.GROUPID=eqlvvolsta0_1_.GROUPID where eqlvvolsta0_.ID=? and
eqlvvolsta0_.GROUPID=? [5-190]
at
org.hibernate.exception.internal.StandardSQLExceptionConverter.convert(StandardSQLExceptionConverter.java:52)
at
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:125)
at
org.hibernate.engine.jdbc.spi.SqlExceptionHelper.convert(SqlExceptionHelper.java:110)
at
org.hibernate.engine.jdbc.internal.proxy.AbstractStatementProxyHandler.continueInvocation(AbstractStatementProxyHandler.java:129)
at
org.hibernate.engine.jdbc.internal.proxy.AbstractProxyHandler.invoke(AbstractProxyHandler.java:81)
at com.sun.proxy.$Proxy157.executeQuery(Unknown Source)
at org.hibernate.loader.Loader.getResultSet(Loader.java:1978)
at org.hibernate.loader.Loader.doQuery(Loader.java:829)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:289)
at
org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
at org.hibernate.loader.Loader.loadEntity(Loader.java:2058)
at
org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:82)
at
org.hibernate.loader.entity.AbstractEntityLoader.load(AbstractEntityLoader.java:72)
at
org.hibernate.persister.entity.AbstractEntityPersister.load(AbstractEntityPersister.java:3697)
at
org.hibernate.event.internal.DefaultLoadEventListener.loadFromDatasource(DefaultLoadEventListener.java:439)
at
org.hibernate.event.internal.DefaultLoadEventListener.doLoad(DefaultLoadEventListener.java:420)
at
org.hibernate.event.internal.DefaultLoadEventListener.load(DefaultLoadEventListener.java:204)
at
org.hibernate.event.internal.DefaultLoadEventListener.proxyOrLoad(DefaultLoadEventListener.java:243)
at
org.hibernate.event.internal.DefaultLoadEventListener.onLoad(DefaultLoadEventListener.java:148)
at org.hibernate.internal.SessionImpl.fireLoad(SessionImpl.java:954)
at org.hibernate.internal.SessionImpl.get(SessionImpl.java:870)
at org.hibernate.internal.SessionImpl.get(SessionImpl.java:863)
at
com.equallogic.sims.server.core.cache.CacheManagerImpl.get(CacheManagerImpl.java:784)
at sun.reflect.GeneratedMethodAccessor532.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72)
at
org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288)
at
org.jboss.invocation.InterceptorContext$Invocation.proceed(InterceptorContext.java:374)
at
org.jboss.as.weld.ejb.DelegatingInterceptorInvocationContext.proceed(DelegatingInterceptorInvocationContext.java:81)
at
com.equallogic.sims.server.core.LoggingInterceptor.manageTransaction(LoggingInterceptor.java:30)
at sun.reflect.GeneratedMethodAccessor117.invoke(Unknown Source)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at
org.jboss.interceptor.proxy.InterceptorInvocation$InterceptorMethodInvocation.invoke(InterceptorInvocation.java:72)
at
org.jboss.interceptor.proxy.SimpleInterceptionChain.invokeNextInterceptor(SimpleInterceptionChain.java:82)
at
org.jboss.weld.bean.InterceptorImpl.intercept(InterceptorImpl.java:90)
at
org.jboss.as.weld.ejb.DelegatingInterceptorInvocationContext.proceed(DelegatingInterceptorInvocationContext.java:71)
at
org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.delegateInterception(Jsr299BindingsInterceptor.java:112)
at
org.jboss.as.weld.ejb.Jsr299BindingsInterceptor.doMethodInterception(Jsr299BindingsInterceptor.java:125)
at