[jboss-jira] [JBoss JIRA] (AS7-5555) NullPointerException at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:393)
Ondrej Zizka (JIRA)
jira-events at lists.jboss.org
Thu Sep 13 19:52:33 EDT 2012
[ https://issues.jboss.org/browse/AS7-5555?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Ondrej Zizka updated AS7-5555:
------------------------------
Description:
A query
{code}
SELECT pr FROM ProductRelease pr LEFT JOIN pr.line pl ORDER BY pl.name
{code}
on a simple entity causes a NPEx:
{code}
Caused by: java.lang.NullPointerException
at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:393) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.joinElement(HqlSqlBaseWalker.java:3516) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3302) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3180) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:706) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:562) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:299) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:247) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:248) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:183) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:105) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:168) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:219) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:197) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1736) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:291) [hibernate-entitymanager-4.1.5.SP1.jar:4.1.5.SP1]
at org.jboss.as.jpa.container.AbstractEntityManager.createQuery(AbstractEntityManager.java:425) [jboss-as-jpa-7.1.2.Final.jar:7.1.2.Final]
{code}
I'm filling this here since in Hibernate jira NPEx are ignored, whereas for AS 7 / EAP 6 we agreed that NPEx is not a good way to let user know that something's wrong.
was:
A query
{code}
{code}
on a simple entity causes a NPEx:
{code}
Caused by: java.lang.NullPointerException
at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:393) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.joinElement(HqlSqlBaseWalker.java:3516) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3302) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3180) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:706) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:562) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:299) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:247) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:248) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:183) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:105) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:168) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:219) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:197) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1736) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:291) [hibernate-entitymanager-4.1.5.SP1.jar:4.1.5.SP1]
at org.jboss.as.jpa.container.AbstractEntityManager.createQuery(AbstractEntityManager.java:425) [jboss-as-jpa-7.1.2.Final.jar:7.1.2.Final]
{code}
I'm filling this here since in Hibernate jira NPEx are ignored, whereas for AS 7 / EAP 6 we agreed that NPEx is not a good way to let user know that something's wrong.
> NullPointerException at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:393)
> ---------------------------------------------------------------------------------------------------------------------
>
> Key: AS7-5555
> URL: https://issues.jboss.org/browse/AS7-5555
> Project: Application Server 7
> Issue Type: Bug
> Components: JPA / Hibernate
> Affects Versions: 7.1.2.Final (EAP)
> Reporter: Ondrej Zizka
> Assignee: Scott Marlow
> Labels: NPE, NullPointerException, UX, usability
>
> A query
> {code}
> SELECT pr FROM ProductRelease pr LEFT JOIN pr.line pl ORDER BY pl.name
> {code}
> on a simple entity causes a NPEx:
> {code}
> Caused by: java.lang.NullPointerException
> at org.hibernate.hql.internal.ast.HqlSqlWalker.createFromJoinElement(HqlSqlWalker.java:393) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.joinElement(HqlSqlBaseWalker.java:3516) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElement(HqlSqlBaseWalker.java:3302) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromElementList(HqlSqlBaseWalker.java:3180) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.fromClause(HqlSqlBaseWalker.java:706) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.query(HqlSqlBaseWalker.java:562) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.selectStatement(HqlSqlBaseWalker.java:299) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.antlr.HqlSqlBaseWalker.statement(HqlSqlBaseWalker.java:247) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.analyze(QueryTranslatorImpl.java:248) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.doCompile(QueryTranslatorImpl.java:183) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.hql.internal.ast.QueryTranslatorImpl.compile(QueryTranslatorImpl.java:136) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:105) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.engine.query.spi.HQLQueryPlan.<init>(HQLQueryPlan.java:80) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.engine.query.spi.QueryPlanCache.getHQLQueryPlan(QueryPlanCache.java:168) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.internal.AbstractSessionImpl.getHQLQueryPlan(AbstractSessionImpl.java:219) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.internal.AbstractSessionImpl.createQuery(AbstractSessionImpl.java:197) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.internal.SessionImpl.createQuery(SessionImpl.java:1736) [hibernate-core-4.1.5.SP1.jar:4.1.5.SP1]
> at org.hibernate.ejb.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:291) [hibernate-entitymanager-4.1.5.SP1.jar:4.1.5.SP1]
> at org.jboss.as.jpa.container.AbstractEntityManager.createQuery(AbstractEntityManager.java:425) [jboss-as-jpa-7.1.2.Final.jar:7.1.2.Final]
> {code}
> I'm filling this here since in Hibernate jira NPEx are ignored, whereas for AS 7 / EAP 6 we agreed that NPEx is not a good way to let user know that something's wrong.
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