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Posted to dev@xalan.apache.org by "Daniel van den Ouden (JIRA)" <ji...@apache.org> on 2019/05/16 08:40:00 UTC
[jira] [Updated] (XALANJ-2625) Text output in ISO-8859-1 in Java 11
[ https://issues.apache.org/jira/browse/XALANJ-2625?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Daniel van den Ouden updated XALANJ-2625:
-----------------------------------------
Priority: Minor (was: Major)
> Text output in ISO-8859-1 in Java 11
> -------------------------------------
>
> Key: XALANJ-2625
> URL: https://issues.apache.org/jira/browse/XALANJ-2625
> Project: XalanJ2
> Issue Type: Bug
> Security Level: No security risk; visible to anyone(Ordinary problems in Xalan projects. Anybody can view the issue.)
> Components: Xalan
> Affects Versions: 2.7.2
> Reporter: Daniel van den Ouden
> Assignee: Gary Gregory
> Priority: Minor
>
> We're currently in the process of upgrading our builds from Java 8 to Java 11 and we've run into the following issue:
> Given the following XML
> {noformat}
> <?xml version="1.0" encoding="UTF-8"?>
> <Settings xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../xsd/DBSettings.xsd">
> <Database>
> <Type value="Oracle"/>
> <Database value="UTF8"/>
> <User name="fgi_user" password="fgi"/>
> <Owner name="fgi_owner" password="fgi"/>
> </Database>
> </Settings>
> {noformat}
> and the following XSL
> {noformat}
> <?xml version="1.0" encoding="UTF-8"?>
> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="http://www.w3.org/1999/XSL/Format">
> <xsl:output method="text" version="1.0" encoding="ISO-8859-1" indent="yes"/>
> <xsl:template match="/">
> <xsl:text>db://</xsl:text>
> <xsl:value-of select="/Settings/Database/Type/@value">
> </xsl:value-of>
> <xsl:text>:</xsl:text>
> <xsl:value-of select="/Settings/Database/User/@name" />
> <xsl:text>/</xsl:text>
> <xsl:value-of select="/Settings/Database/User/@password" />
> <xsl:text>@</xsl:text>
> <xsl:value-of select="/Settings/Database/Database/@value" />
> </xsl:template>
> </xsl:stylesheet>
> {noformat}
> We would expect the output to be
> {noformat}
> db://Oracle:fgi_user/fgi@UTF8
> {noformat}
> But with Java11, the output becomes
> {noformat}
> db://Oracle:fgi_user/fgi@UTF8
> {noformat}
> And the console gets flooded with messages like
> {noformat}
> Attempt to output character of integral value 100 that is not represented in specified output encoding of ISO-8859-1.
> Attempt to output character of integral value 98 that is not represented in specified output encoding of ISO-8859-1.
> Attempt to output character of integral value 58 that is not represented in specified output encoding of ISO-8859-1.
> Attempt to output character of integral value 47 that is not represented in specified output encoding of ISO-8859-1.
> Attempt to output character of integral value 47 that is not represented in specified output encoding of ISO-8859-1.
> {noformat}
> The problem seems to be caused by org.apache.xml.serializer.Encodings.java. In loadEncodingInfo(), a properties file is read (org.apache.xml.serializer.Encodings.properties) containing a Java encoding name and the associated MIME name that may appear in a stylesheet. For ISO-8859-1, it contains the following entries in this order:
> {noformat}
> ISO8859-1 ISO-8859-1 0x00FF
> ISO8859_1 ISO-8859-1 0x00FF
> 8859-1 ISO-8859-1 0x00FF
> 8859_1 ISO-8859-1 0x00FF
> {noformat}
> the loadEncodingInfo() method iterates over these entries, but the order differs between Java 8 and Java 11.
> Java 8:
> {noformat}
> ISO8859-1
> 8859_1
> 8859-1
> ISO8859_1
> {noformat}
> Java 11:
> {noformat}
> ISO8859-1
> ISO8859_1
> 8859_1
> 8859-1
> {noformat}
> Every entry is put in the _encodingTableKeyJava map using the Java name as key, and in the _encodingTableKeyMime hastable using the MIME name as key.
> In our case, the method getEncodingInfo(String encoding) with "encoding" having the value "ISO-8859-1". First the _encodingTableKeyJava map is checked; it doesn't contain the key "ISO-8859-1". Then the _encodingTableKeyMime map is checked, which contains the last entry that was processed from the properties file with a matching MIME name. Then the Java name of that entry is used to build a new EncodingInfo object and perform the actual encoding using the String class.
> The problem here is that with Java 11, the last entry from the properties file is "8859-1". This is NOT an alias for the actual ISO-8859-1 encoding.
> With Java 8, the last entry would be "ISO8859_1" which IS an alias for ISO-8859-1.
> The aliases as I found them are:
> {noformat}
> ISO-8859-1
> 819
> ISO8859-1
> l1
> ISO_8859-1:1987
> ISO_8859-1
> 8859_1
> iso-ir-100
> latin1
> cp819
> ISO8859_1
> IBM819
> ISO_8859_1
> IBM-819
> csISOLatin1
> {noformat}
> Long story short: org.apache.xml.serializer.Encodings.properties contains entries that are not valid Encoding aliases. Removing 8859-1 through 8859-9 should fix it.
> Changing _encodingTableKeyMime to contain multiple encodings per MIME would be an option as well.
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