org.hibernate.exception.SQLGrammarException: could not execute query
   at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:90)
   at org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
   at org.hibernate.loader.Loader.doList(Loader.java:2235)
   at org.hibernate.loader.Loader.listIgnoreQueryCache(Loader.java:2129)
   at org.hibernate.loader.Loader.list(Loader.java:2124)
   at org.hibernate.loader.hql.QueryLoader.list(QueryLoader.java:401)
   at org.hibernate.hql.ast.QueryTranslatorImpl.list(QueryTranslatorImpl.java:363)
   at org.hibernate.engine.query.HQLQueryPlan.performList(HQLQueryPlan.java:196)
   at org.hibernate.impl.SessionImpl.list(SessionImpl.java:1149)
   at org.hibernate.impl.QueryImpl.list(QueryImpl.java:102)
   at org.hibernate.impl.AbstractQueryImpl.uniqueResult(AbstractQueryImpl.java:835)
   at it.addiction.aif.mediapresenter.SystemAccess.login(SystemAccess.java:68)
   at it.addiction.aif.mediapresenter.SystemAccessTest.testLoginMethod(SystemAccessTest.java:42)
   at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
   at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
   at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
   at java.lang.reflect.Method.invoke(Method.java:597)
   at junit.framework.TestCase.runTest(TestCase.java:154)
   at junit.framework.TestCase.runBare(TestCase.java:127)
   at junit.framework.TestResult$1.protect(TestResult.java:106)
   at junit.framework.TestResult.runProtected(TestResult.java:124)
   at junit.framework.TestResult.run(TestResult.java:109)
   at junit.framework.TestCase.run(TestCase.java:118)
   at org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
   at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:467)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:683)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:390)
   at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:197)
Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.company company0_ inner join mediapresenter.mediapresenter.user users1_ on comp' at line 1
   at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
   at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
   at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
   at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
   at com.mysql.jdbc.Util.handleNewInstance(Util.java:406)
   at com.mysql.jdbc.Util.getInstance(Util.java:381)
   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1030)
   at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956)
   at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3491)
   at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3423)
   at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:1936)
   at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2060)
   at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2542)
   at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1734)
   at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1885)
   at org.hibernate.jdbc.AbstractBatcher.getResultSet(AbstractBatcher.java:208)
   at org.hibernate.loader.Loader.getResultSet(Loader.java:1812)
   at org.hibernate.loader.Loader.doQuery(Loader.java:697)
   at org.hibernate.loader.Loader.doQueryAndInitializeNonLazyCollections(Loader.java:259)
   at org.hibernate.loader.Loader.doList(Loader.java:2232)
   ... 26 more

INFO main org.hibernate.cfg.Environment - Hibernate 3.3.2.GA
INFO main org.hibernate.cfg.Environment - hibernate.properties not found
INFO main org.hibernate.cfg.Environment - Bytecode provider name : javassist
INFO main org.hibernate.cfg.Environment - using JDK 1.4 java.sql.Timestamp handling
INFO main org.hibernate.cfg.Configuration - configuring from file: hibernate.cfg.xml
INFO main org.hibernate.cfg.Configuration - Reading mappings from resource : it/addiction/aif/mediapresenter/generated/hibernate/Company.hbm.xml
INFO main org.hibernate.connection.DriverManagerConnectionProvider - Using Hibernate built-in connection pool (not for production use!)
INFO main org.hibernate.connection.DriverManagerConnectionProvider - Hibernate connection pool size: 20
INFO main org.hibernate.connection.DriverManagerConnectionProvider - autocommit mode: false
INFO main org.hibernate.connection.DriverManagerConnectionProvider - using driver: org.gjt.mm.mysql.Driver at URL: jdbc:mysql://labbd/mediapresenter
INFO main org.hibernate.connection.DriverManagerConnectionProvider - connection properties: {user=basididati, password=****}
INFO main org.hibernate.cfg.SettingsFactory - RDBMS: MySQL, version: 5.5.9
INFO main org.hibernate.cfg.SettingsFactory - JDBC driver: MySQL-AB JDBC Driver, version: mysql-connector-java-5.1.6 ( Revision: ${svn.Revision} )
INFO main org.hibernate.dialect.Dialect - Using dialect: org.hibernate.dialect.MySQL5InnoDBDialect
INFO main org.hibernate.transaction.TransactionFactoryFactory - Using default transaction strategy (direct JDBC transactions)
INFO main org.hibernate.transaction.TransactionManagerLookupFactory - No TransactionManagerLookup configured (in JTA environment, use of read-write or transactional second-level cache is not recommended)
INFO main org.hibernate.cfg.SettingsFactory - Automatic flush during beforeCompletion(): disabled
INFO main org.hibernate.cfg.SettingsFactory - Automatic session close at end of transaction: disabled
INFO main org.hibernate.cfg.SettingsFactory - JDBC batch size: 15
INFO main org.hibernate.cfg.SettingsFactory - JDBC batch updates for versioned data: disabled
INFO main org.hibernate.cfg.SettingsFactory - Scrollable result sets: enabled
INFO main org.hibernate.cfg.SettingsFactory - JDBC3 getGeneratedKeys(): enabled
INFO main org.hibernate.cfg.SettingsFactory - Connection release mode: auto
INFO main org.hibernate.cfg.SettingsFactory - Default schema: mediapresenter
INFO main org.hibernate.cfg.SettingsFactory - Maximum outer join fetch depth: 2
INFO main org.hibernate.cfg.SettingsFactory - Default batch fetch size: 1
INFO main org.hibernate.cfg.SettingsFactory - Generate SQL with comments: disabled
INFO main org.hibernate.cfg.SettingsFactory - Order SQL updates by primary key: disabled
INFO main org.hibernate.cfg.SettingsFactory - Order SQL inserts for batching: disabled
INFO main org.hibernate.cfg.SettingsFactory - Query translator: org.hibernate.hql.ast.ASTQueryTranslatorFactory
INFO main org.hibernate.hql.ast.ASTQueryTranslatorFactory - Using ASTQueryTranslatorFactory
INFO main org.hibernate.cfg.SettingsFactory - Query language substitutions: {}
INFO main org.hibernate.cfg.SettingsFactory - JPA-QL strict compliance: disabled
INFO main org.hibernate.cfg.SettingsFactory - Second-level cache: enabled
INFO main org.hibernate.cfg.SettingsFactory - Query cache: disabled
INFO main org.hibernate.cfg.SettingsFactory - Cache region factory : org.hibernate.cache.impl.NoCachingRegionFactory
INFO main org.hibernate.cfg.SettingsFactory - Optimize cache for minimal puts: disabled
INFO main org.hibernate.cfg.SettingsFactory - Structured second-level cache entries: disabled
INFO main org.hibernate.cfg.SettingsFactory - Statistics: disabled
INFO main org.hibernate.cfg.SettingsFactory - Deleted entity synthetic identifier rollback: disabled
INFO main org.hibernate.cfg.SettingsFactory - Default entity-mode: pojo
INFO main org.hibernate.cfg.SettingsFactory - Named query checking : enabled
INFO main org.hibernate.impl.SessionFactoryImpl - building session factory
INFO main org.hibernate.impl.SessionFactoryObjectFactory - Not binding factory to JNDI, no JNDI name configured
DEBUG main org.hibernate.SQL - select company0_.company_id as company1_0_, company0_.name as name0_ from mediapresenter.mediapresenter.company company0_
WARN main org.hibernate.util.JDBCExceptionReporter - SQL Error: 1064, SQLState: 42000
ERROR main org.hibernate.util.JDBCExceptionReporter - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '.company company0_' at line 1

// Generated 7-apr-2011 8.59.53 by Hibernate Tools 3.4.0.CR1

import java.util.HashSet;
import java.util.Set;

/**
* Company generated by hbm2java
*/
public class Company implements java.io.Serializable {

   private Long companyId;
   private String name;
   private Set users = new HashSet(0);

   public Company() {
   }

   public Company(String name, Set users) {
      this.name = name;
      this.users = users;
   }

   public Long getCompanyId() {
      return this.companyId;
   }

   public void setCompanyId(Long companyId) {
      this.companyId = companyId;
   }

   public String getName() {
      return this.name;
   }

   public void setName(String name) {
      this.name = name;
   }

   public Set getUsers() {
      return this.users;
   }

   public void setUsers(Set users) {
      this.users = users;
   }

}

<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<!-- Generated 7-apr-2011 8.59.53 by Hibernate Tools 3.4.0.CR1 -->
<hibernate-mapping>
    <class name="it.addiction.aif.mediapresenter.generated.hibernate.Company" table="company" catalog="mediapresenter">
        <id name="companyId" type="java.lang.Long">
            <column name="company_id" />
            <generator class="identity" />
        </id>
        <property name="name" type="string">
            <column name="name" length="50" />
        </property>
        <set name="users" table="user" inverse="true" lazy="true" fetch="select">
            <key>
                <column name="company_id" not-null="true" />
            </key>
            <one-to-many class="it.addiction.aif.mediapresenter.generated.hibernate.User" />
        </set>
    </class>
</hibernate-mapping>

Query query = session.createQuery ("from Company");