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From Jordan Zimmerman <>
Subject Re: usefulness of UnhandledErrorListener
Date Tue, 09 Sep 2014 15:25:18 GMT
It’s not really very useful. I put it in there in the unlikely case that someone wanted to
handle a worst case error. The errors get logged regardless.


On September 9, 2014 at 10:24:09 AM, Joel Denny ( wrote:


I am trying to decide whether I need to add an UnhandledErrorListener to  
my Curator application in order to guarantee graceful handling of  
connection loss or other failures.  

At, I see the following paragraph:  

"UnhandledErrorListener is called when a background task, etc. catches  
an exception. In general, Curator users shouldn't care about these as  
they are logged. However, you can listen for them if you choose."  

What is the purpose then of an UnhandledErrorListener? Is it purely for  
any custom logging that a Curator user might wish to perform? Are there  
any known use cases where it is worthwhile to catch and handle  
exceptions in some other manner here?  



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