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From "zhuangmz08" <zhuangm...@qq.com>
Subject could not active service
Date Tue, 03 May 2016 07:30:12 GMT
Caused by: org.qi4j.api.service.ServiceUnavailableException: 【Could not activate service
indexing-sql】
	at org.qi4j.runtime.service.ServiceReferenceInstance.getInstance(ServiceReferenceInstance.java:166)
	at org.qi4j.runtime.service.ServiceReferenceInstance.activate(ServiceReferenceInstance.java:114)
	at org.qi4j.runtime.activation.ActivationDelegate.activate(ActivationDelegate.java:112)
	... 17 more
Caused by: org.qi4j.api.activation.ActivationException: Unable to Activate application.
	at org.qi4j.runtime.activation.ActivationDelegate.activate(ActivationDelegate.java:152)
	at org.qi4j.runtime.activation.ActivationDelegate.activate(ActivationDelegate.java:75)
	at org.qi4j.runtime.service.ServiceReferenceInstance.getInstance(ServiceReferenceInstance.java:154)
	... 19 more
Caused by: org.postgresql.util.PSQLException: 【ERROR: duplicate key value violates unique
constraint "entity_types_entity_type_name_key"】
  :Key (entity_type_name)=(org.qi4j.api.entity.EntityComposite) already exists.


I'm learning on the 【sql-support】 sample. I'm using org.qi4j.extension.indexing-sql and
org.qi4j.extension.entitystore-sql, both postgrseql as backend. I seems that If I declare
more than two entities, it will throw this exception. I found that org.qi4j.api.entity.EntityComposite
exists in the table 【entity_types】? Is this a bug or ? 
Thanks a lot.
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