Spring + Hibernate Search 3.1.0 = ArrayStoreException
Posted by Double Compile on Tuesday, January 19. 2010 in Java
I'm using Spring Framework version 3.0.0 (although, I'll bet the same problem would happen with 2.x). I'm using Hibernate Search 3.1.0 (That's what's in Maven. I wonder why there's no 3.1.1).
Trying to use the configuration as follows inside of a Spring configuration document.
<map>
<entry key="post-update" value-ref="fullTextEventListener" />
<entry key="post-delete" value-ref="fullTextEventListener" />
<entry key="post-insert" value-ref="fullTextEventListener" />
<entry key="flush">
<list>
<bean class="org.hibernate.event.def.DefaultFlushEventListener" />
<ref local="fullTextEventListener" />
</list>
</entry>
</map>
</property>
Upon running some unit tests, I get a nasty Exception stack, with the following at the root.
Caused by: java.lang.ArrayStoreException at java.lang.System.arraycopy(Native Method) at java.util.ArrayList.toArray(ArrayList.java:306) at org.springframework.orm.hibernate3.LocalSessionFactoryBean.buildSessionFactory(LocalSessionFactoryBean.java:759) at org.springframework.orm.hibernate3.AbstractSessionFactoryBean.afterPropertiesSet(AbstractSessionFactoryBean.java:211) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1460) at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1398) ... 57 more
The root cause of the problem (and I needed to debug the Spring/Hibernate internals to figure this out) is that FullTextIndexEventListener does not implement the FlushEventListener interface in version 3.1.0, but it does in 3.1.1.
Solution: upgrade (if you're using Maven, try the JBoss repository which has the latest stuff) or omit the "flush" event from the configuration.
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