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Posted to dev@cocoon.apache.org by bu...@apache.org on 2001/07/31 17:09:08 UTC
[Bug 2920] New: - XSP pages having thrown runtime exceptions during the execution of constructor aren't reloaded...
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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=2920
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+ +============================================================================+
+ | XSP pages having thrown runtime exceptions during the execution of constru |
+ +----------------------------------------------------------------------------+
+ | Bug #: 2920 Product: Cocoon 2 |
+ | Status: NEW Version: 2.0b1 |
+ | Resolution: Platform: All |
+ | Severity: Normal OS/Version: All |
+ | Priority: Other Component: general components |
+ +----------------------------------------------------------------------------+
+ | Assigned To: cocoon-dev@xml.apache.org |
+ | Reported By: dynaxis@alticast.com |
+ | CC list: Cc: |
+ +----------------------------------------------------------------------------+
+ | URL: |
+ +============================================================================+
+ | DESCRIPTION |
+ First, modify an XSP sample included in the distribution to throw a runtime
+ exception during the execution of the constructor. Let's pick simple.xsp in the
+ docs/samples/xsp/.
+
+ Add the following codes directly below the <xsp:page> tag:
+
+ <xsp:logic>
+ String a = parameters.getParameter("data-dir", ".");
+ </xsp:logic>
+
+ That will cause a runtime exception is thrown since the variable 'parameters'
+ is not initialized at the time of the initialization of the variable 'a'.
+
+ After doing this, if we don't remove the contents of work directory manually,
+ the XSP page won't reload even though we remove the above lines.
+
+ Also this bug indicates that there should be a way to handle exceptions
+ occuring in the course of instance initialization. At this time, no messages
+ are provided even though NullPointerException is thrown. I spent a whole day to
+ figure out what's wrong, without knowing that it's because of the initial
+ trivial bug that was fixed earlier.
+
+ Thanks...
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