play.core.ActionInvoker$$anonfun$receive$1$$anon$1: Execution exception [[Instan tiationException: models.CrawlerConnectionProvider]]

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This happens when you try to instantiate a class that can't be instantiated, either because the class object is abstract, an interface, an array class, a primitive type, void, or because the class has no nullary constructor.

Solutions on the web

via Google Groups by Haffner Wong, 1 year ago
Execution exception [[Instan tiationException: models.CrawlerConnectionProvider]]
via GitHub by pvillega
, 2 years ago
Execution exception [[NoSuchElementException: None.get]]
via GitHub by rorlig
, 2 years ago
Execution exception [[NullPointerException: null]]
via Google Groups by Rob Bygrave, 6 months ago
Execution exception [[RuntimeException: java.lang.reflect.InvocationTargetException]]
via Google Groups by Konstantinos Polychronis, 1 year ago
Execution exception [[StackOverflowError: null]]
via 1987.io by Unknown author, 2 years ago
Execution exception [[NullPointerException: null]]
java.lang.InstantiationException: models.CrawlerConnectionProvider
at java.lang.Class.newInstance0(Unknown Source)
at java.lang.Class.newInstance(Unknown Source)
at ru.circumflex.core.UntypedContainer$class.instantiateObject(circumflex.scala:119)
at ru.circumflex.core.Circumflex$.instantiateObject(circumflex.scala:29)
at ru.circumflex.core.UntypedContainer$class.instantiate(circumflex.scala:108)
at ru.circumflex.core.Circumflex$.instantiate(circumflex.scala:29)

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