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From Nicolás Vázquez <>
Subject Spring errors when creating new DAO
Date Wed, 02 Nov 2016 18:39:02 GMT
Hi all,

I've been having troubles creating a new DAO on cloud-engine-schema.
Specifically, I'm getting this error:

*java.lang.IllegalArgumentException: Superclass has no null constructors
but no arguments were given*
I defined new bean on spring-engine-schema-core-daos.xml file and injected
it into StorageManagerImpl class.
I annotated new impl class with @Component, and provided a constructor with
no arguments. Did you have a similar issue?

Error creating bean with name 'storageManagerImpl': Injection of autowired
dependencies failed; nested exception is
org.springframework.beans.factory.BeanCreationException: Could not autowire
field:; nested exception
is org.springframework.beans.factory.BeanCreationException: Error creating
bean with name 'storagePoolTagsDaoImpl' defined in URL
Instantiation of bean failed; nested exception is
org.springframework.beans.BeanInstantiationException: Could not instantiate
bean class []: Constructor
threw exception; nested exception is java.lang.IllegalArgumentException:
Superclass has no null constructors but no arguments were given

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