Hi Erik,

to avoid incompatibility, you could have just made ArtifactResolverException a 
subclass of java.io.FileNotFoundException.

it seems you forgot to add ArtifactResolverException.java file to the repo.

a minor nit: in JibArtifactManager::newInstance, you pass "Could not resolve " 
+ JIB_SERVICE_FACTORY to ClassNotFoundException constructor. by the convention, 
the message in CNFE is the classname.

-- Igor

> On Mar 8, 2018, at 2:08 PM, Erik Joelsson <erik.joels...@oracle.com> wrote:
> 
> The Jib artifact resolver is not very good at telling us why things go wrong. 
> The reason is that it swallows exceptions. This patch changes the API from 
> throwing a FileNotFoundException, which I don't really think fits correctly 
> in all cases, to a new API specific exception.
> 
> I have greped for all uses of this API in the tests and changed the exception 
> type caught at the caller location. I verified that I didn't break anything 
> by compiling all the affected test classes and by running some of them for a 
> bit.
> 
> With these changes it should be easier to diagnose problems with resolving 
> artifacts in the future.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8199352
> 
> Webrev: http://cr.openjdk.java.net/~erikj/8199352/webrev.01/index.html
> 
> /Erik
> 

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