Hibernate version:
3.0.3 & 3.1 beta 1(cvs)
Mapping documents:
<class name="hb.Cat" table="CAT">
<id name="id" type="string" unsaved-value="null" >
<column name="CAT_ID" sql-type="char(32)" not-null="true"/>
<generator class="uuid.hex"/>
</id>
<list name="SomeList" lazy="false" table="CATLIST">
<key column="CAT_ID_LIST" not-null="true"/>
<list-index column="sortOrder"/>
<element column="VALUE" type="string" />
</list>
</class>
Code between sessionFactory.openSession() and session.close():
Query q = s.createQuery("select c.SomeList from Cat as c");
List lst = q.list();
Full stack trace of any exception that occurs:
testList(hb.ReturnListTest)
java.lang.NullPointerException
at org.hibernate.hql.ast.tree.FromElementType.renderIdentifierSelect(FromElementType.java:140)
at org.hibernate.hql.ast.tree.FromElement.renderIdentifierSelect(FromElement.java:166)
at org.hibernate.hql.ast.tree.SelectClause.renderNonScalarIdentifiers(SelectClause.java:375)
at org.hibernate.hql.ast.tree.SelectClause.renderNonScalarSelects(SelectClause.java:353)
at org.hibernate.hql.ast.tree.SelectClause.initializeExplicitSelectClause(SelectClause.java:195)
at org.hibernate.hql.ast.HqlSqlWalker.useSelectClause(HqlSqlWalker.java:596)
at org.hibernate.hql.ast.HqlSqlWalker.processQuery(HqlSqlWalker.java:463)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:633)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:269)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:217)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:211)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:153)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:100)
at org.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:459)
at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:901)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:851)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
at hb.ReturnListTest.testList(ReturnListTest.java:17)
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:585)
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 junit.framework.TestSuite.runTest(TestSuite.java:208)
at junit.framework.TestSuite.run(TestSuite.java:203)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:478)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:344)
at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
Name and version of the database you are using:
PostgreSQL 8.0.3
The generated SQL (show_sql=true):
none

How i may select SomeList otherwise?

Did you try "select c.SomeList from Cat c" (without "as")?

Regards
Guido

Yes. Result is the same:
testList(hb.ReturnListTest)
java.lang.NullPointerException
at org.hibernate.hql.ast.tree.FromElementType.renderIdentifierSelect(FromElementType.java:140)
at org.hibernate.hql.ast.tree.FromElement.renderIdentifierSelect(FromElement.java:166)
at org.hibernate.hql.ast.tree.SelectClause.renderNonScalarIdentifiers(SelectClause.java:375)
at org.hibernate.hql.ast.tree.SelectClause.renderNonScalarSelects(SelectClause.java:353)
at org.hibernate.hql.ast.tree.SelectClause.initializeExplicitSelectClause(SelectClause.java:195)
at org.hibernate.hql.ast.HqlSqlWalker.useSelectClause(HqlSqlWalker.java:596)
at org.hibernate.hql.ast.HqlSqlWalker.processQuery(HqlSqlWalker.java:463)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:633)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:269)
at org.hibernate.hql.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:217)
at org.hibernate.hql.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:211)
at org.hibernate.hql.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:153)
at org.hibernate.hql.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:100)
at org.hibernate.impl.SessionFactoryImpl.getQuery(SessionFactoryImpl.java:459)
at org.hibernate.impl.SessionImpl.getQueries(SessionImpl.java:901)
at org.hibernate.impl.SessionImpl.list(SessionImpl.java:851)
at org.hibernate.impl.QueryImpl.list(QueryImpl.java:74)
at hb.ReturnListTest.testList(ReturnListTest.java:17)

Collections cannot appear in the select clause. Refer to HQL examples in the docs.