empty xml:comment problem

Name: rmT116609 Date: 06/12/2003


FULL PRODUCT VERSION :
java version "1.4.2-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-beta-b19)
Java HotSpot(TM) Client VM (build 1.4.2-beta-b19, mixed mode)

FULL OS VERSION :
Microsoft Windows 2000 [Version 5.00.2195]

A DESCRIPTION OF THE PROBLEM :
The following xsl fragment suffices to cause the xslt processor
to raise and ArrayOutOfBoundException -1:

<xsl:comment/>

The problem lies in the class org.apache.xalan.serialze.SerializerToXML
method comment (char [], int, int), line 1298:

      if (ch[limit-1] == '-')

when limit is 0 (and it is, when the comment content is empty)
the described exception occurs.


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1) make an xsl width an empty comment
2) run the xsl

ACTUAL -
ArrayOutOfBoundException

ERROR MESSAGES/STACK TRACES THAT OCCUR :
ArrayOutOfBoundException

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
<xsl:comment/>
---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
not write <xsl:comment/> in an xsl.
(Review ID: 187841)
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