java - Not able to typecast from object to class: -


i not able typecast object variable class type variable. getting following error:

*hibernate: select osinfo0_.host_id host_id1_17_0_, osinfo0_.os_build os_build2_17_0_, osinfo0_.os_name os_name3_17_0_, osinfo0_.os_type os_type4_17_0_, osinfo0_.os_version os_versi5_17_0_ hwi.os_info osinfo0_ osinfo0_.host_id=? jun 15, 2015 10:28:20 org.apache.catalina.core.standardwrappervalve invoke severe: servlet.service() servlet [spring] in context path [/hardwareinventory] threw exception [request processing failed; nested exception java.lang.classcastexception: [ljava.lang.object; cannot cast com.vmware.hwi.model.storageinfo] root cause java.lang.classcastexception: [ljava.lang.object; cannot cast com.vmware.hwi.model.storageinfo     @ com.vmware.hwi.dao.impl.storageinfodaoimpl.getstorageinfofulllistbyteam(storageinfodaoimpl.java:76)     @ sun.reflect.nativemethodaccessorimpl.invoke0(native method)     @ sun.reflect.nativemethodaccessorimpl.invoke(unknown source)     @ sun.reflect.delegatingmethodaccessorimpl.invoke(unknown source)     @ java.lang.reflect.method.invoke(unknown source)     @ org.springframework.aop.support.aoputils.invokejoinpointusingreflection(aoputils.java:317)     @ org.springframework.aop.framework.reflectivemethodinvocation.invokejoinpoint(reflectivemethodinvocation.java:190)     @ org.springframework.aop.framework.reflectivemethodinvocation.proceed(reflectivemethodinvocation.java:157)*

i novice hibernate query writing, doubt there might mistake in writing query, can see values returned query fine, not sure missing here.

here part of code:

@override public storageinfo getstorageinfofulllistbyteam(integer storageteam){     storageinfo storagefulllist = null;     session session = sessionfactory.getcurrentsession();     /*query query = session.createquery(             "from host host, storageinfo storage serverstorage" +             " server storage.storageid=server.storageid" +             " , server.hostid=host.hostid , storage.storageteam= ' "             + storageteam+ " ' ");*/     query query = session.createquery(             "from host host, storageinfo storage , serverstorage" +             " server storage.storageid=server.storageid" +             " , server.hostid=host.hostid , storage.storageteam= ' "             + storageteam + " ' ");     list info = query.list();     if(info.size() !=0){         storagefulllist = (storageinfo) info.get(0);     }     return storagefulllist; }

from query looks fetching host , storageinfo , serverstorage , while getting object (storageinfo) info.get(0) trying cast storageinfo. try removing host , serverstorage query or else if want fetch records 3 tables create java pojo class represents kind of columns you're fetching in query , map pojo class(try searching mapping pojo hibernate query results).


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