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How to debug spring bean creation errors ?

 
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How to debug spring bean initialization errors ?

Errors coming durign bean creation ?
 
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It's useful to have an (integration) test that does little more than load the Spring context(s) and to have the logging configuration output the relevant Spring categories at the DEBUG level when you run it.
 
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The exception thrown by spring is very informative. You have to look at it closely, and you have to look at all of it. It is usually very long, and there are several "caused by" section. You have to go to the last caused by
 
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Jayesh A Lalwani wrote:The exception thrown by spring is very informative. You have to look at it closely, and you have to look at all of it. It is usually very long, and there are several "caused by" section. You have to go to the last caused by



What does mean Last caused by ?

Thanks ,
Satya
 
Jayesh A Lalwani
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A Java stack trace usually looks like this



You see there are multiple caused by clauses. Usually, checking the last caused by gives you enough information to diagonose the issue. In the above case, the root cause is that a class wasn't found.
 
S Majumder
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Hi Jayesh,
Thanks for the reply ..You have nicely put it .
Understanding the exception is to need more in-depth knowledge on the subject ..

Satya
 
With a little knowledge, a cast iron skillet is non-stick and lasts a lifetime.
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