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http://nagoya.apache.org/bugzilla/show_bug.cgi?id=6109 xsl:comment tags cause truncated output from stylesheet ------- Additional Comments From [EMAIL PROTECTED] 2002-01-30 17:01 ------- Here is some additional information on this bug. We are only encountering this problem under the IBM jdk1.2.2; we don't encounter it under the sun jdk. We have developed a transformation engine that caches a pool of stylesheet templates objects. Each transformation reuses the templates objects that have been compiled by XSLTC using the XALAN2.2 TRAX API. A new Transformer instance is created every time to run the transformation. Our transformation engine runs as a servlet under Websphere 3.5.2, but we have also reproduced this bug using a straight java application using the IBM jdk. The first transformation against the cached templates object runs fine. It's the succeeding transformations that truncate the output after an xsl:comment element. We have also noted that the problem is related to a combination of using an xsl:comment tag and a xsl:for-each element in the stylesheet. If no xsl:for-each element is in the stylesheet, then xsl:comment works fine, and if no xsl:comment is in the stylesheet then xsl:for-each works fine. It seems to be the combination of the two in a stylesheet that cause this problem. Here's the sample stylesheet, input xml, and output html from the transformation. Sample stylesheet: ----------------------------------------------------------- <?xml version="1.0"?> <xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; version="1.0"> <xsl:output method="html" media-type="text/html" indent="yes"/> <xsl:template match="Request"> <html> <head> <title>XSLTC Error</title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859- 1"/> <SCRIPT LANGUAGE="JavaScript"> <xsl:comment> function test() {} //</xsl:comment> </SCRIPT> </head> <body bgcolor="white" text="#000000" onLoad="test()"> <select name="selectUserID" size="1"> <xsl:for-each select="./List/User"> <xsl:element name="option"> <xsl:attribute name="value"> <xsl:value-of select="./id"></xsl:value-of> </xsl:attribute> <xsl:value-of select="./name"></xsl:value-of> </xsl:element> </xsl:for-each> </select> </body> </html> </xsl:template> </xsl:stylesheet> ----------------------------------------------------------- Sample input XML to transformation: ----------------------------------------------------------- <?xml version="1.0" encoding="UTF-8"?> <Request> <List> <User> <id>xxx</id> <name>Ren</name> </User> <User> <id>yyy</id> <name>Stimpy</name> </User> <User> <id>aaa</id> <name>Starsky</name> </User> <User> <id>bbb</id> <name>Hutch</name> </User> </List> </Request> ----------------------------------------------------------- Sample output for two successive runs of the transformation. Note that the first runs produces the correct output, but the second run truncates the body section of the html: ----------------------------------------------------------- Compiling stylesheet sample.xsl ... Finished compiling stylesheet sample.xsl. Processing transformation... <html> <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>XSLTC Error</title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <SCRIPT LANGUAGE="JavaScript"><!-- function test() {} //--></SCRIPT> </head> <body bgcolor="white" text="#000000" onLoad="test()"> <select name="selectUserID" size="1"> <option value="xxx">Ren</option> <option value="yyy">Stimpy</option> <option value="aaa">Starsky</option> <option value="bbb">Hutch</option> </select> </body> </html> Transformation complete. Processing transformation... <html> <head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>XSLTC Error</title><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <SCRIPT LANGUAGE="JavaScript"><!-- function test() {} //--></SCRIPT> </head> </html> Transformation complete. ----------------------------------------------------------- Here's the environment setup information that is output from our java application that runs the transformations: ----------------------------------------------------------- #---- BEGIN writeEnvironmentReport($Revision: 1.9 $): Useful stuff found: ---- java.version=1.2.2 version.JAXP=1.1 version.crimson=not-present java.class.path=C:\java\xml\xalan-j_2_2_0\bin\java_cup.jar;C:\java\xml\xalan- j_2_2_0\bin\jlex.jar;C:\java\xml\xalan-j_2_2_0 \bin\runtime.jar;C:\java\xml\xalan-j_2_2_0\bin\xerces.jar;C:\java\xml\xalan- j_2_2_0\bin\xml-apis.jar;.;C:\java\xml\xalan-j_2_2_0 \bin\xalan.jar;C:\java\xml\xalan-j_2_2_0 \bin\xsltc.jar;c:\java\mocha;c:\java\mocha\Mocha.zip #---- BEGIN Listing XML-related jars in: foundclasses.java.class.path ---- xerces.jar-path=c:\java\xml\xalan-j_2_2_0\bin\xerces.jar xerces.jar-apparent.version=xerces.jar WARNING.present-unknown-version xml-apis.jar-apparent.version=xml-apis.jar present-unknown-version xml-apis.jar-path=c:\java\xml\xalan-j_2_2_0\bin\xml-apis.jar xalan.jar-apparent.version=xalan.jar WARNING.present-unknown-version xalan.jar-path=c:\java\xml\xalan-j_2_2_0\bin\xalan.jar xsltc.jar-apparent.version=xsltc.jar present-unknown-version xsltc.jar-path=c:\java\xml\xalan-j_2_2_0\bin\xsltc.jar #----- END Listing XML-related jars in: foundclasses.java.class.path ----- java.ext.dirs=K:\bin\ibmjdk1.2.2\jre\lib\ext version.xalan2_2=Xalan Java 2.2.0 version.DOM=2.0 version.xalan2x=Xalan Java 2.2.0 version.xerces2=not-present version.xerces1=Xerces 1.4.4 version.DOM.draftlevel=2.0fd version.ant=not-present version.xalan1=not-present version.SAX=2.0 sun.boot.class.path=K:\bin\ibmjdk1.2.2\jre\lib\rt.jar;K:\bin\ibmjdk1.2.2 \jre\lib\i18n.jar;K:\bin\ibmjdk1.2.2\jre\classes #----- END writeEnvironmentReport: Useful properties found: ----- # YAHOO! Your environment seems to be OK. Using org.apache.xalan.xsltc.trax.TransformerFactoryImpl factory implementation -----------------------------------------------------------
