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From: Apache Wiki <wikidiffs@apache.org>
To: Apache Wiki <wikidiffs@apache.org>
Date: Tue, 28 Feb 2012 13:16:23 -0000
Message-ID: <20120228131623.61281.80968@eos.apache.org>
Subject: 
 =?utf-8?q?=5BDb-derby_Wiki=5D_Update_of_=22UnwindExceptionChain=22_by_Knu?=
 =?utf-8?q?tAndersHatlen?=
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Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Db-derby Wiki" for =
change notification.

The "UnwindExceptionChain" page has been changed by KnutAndersHatlen:
http://wiki.apache.org/db-derby/UnwindExceptionChain?action=3Ddiff&rev1=3D9=
&rev2=3D10

  causes for exceptions as well as more (distinct) errors, if present. This
  "redundancy" may change in the future.
  =

+ JDBC 4.0 also supports walking the exception chain using a for each loop:
+ =

+ {{{
+ #!java numbers=3Doff
+ catch (SQLException e) {
+     for (Throwable t : e) {
+         System.out.println("Message: " + t.getMessage());
+     }
+ }
+ }}}
+ =

+ =

  Inspecting `derby.log` for the stack dump of the error is often also
  useful in understanding what's going on.
 =20