撒克逊转换导致未知扩展指令

Question

我正在尝试使用 sql;query 从 XSLT 查询 oracle 数据库，我正在使用 sql9-sql.jar 以及我拥有的 saxon EE 9.6.0.7 版本也将 ojdc6.jar 放置在 Eclipse 的构建路径中。我遇到错误

queue name is Error in xsl:value-of/@select on line 37 column 65 of pro.xsl: XTDE1450: Unknown extension instruction in built-in template rule ; SystemID: file:/C:/home/oracle/workspace/XSLTsaxonEE/src/com/thbs/viniReq/pro.xsl; Line#: 37 net.sf.saxon.trans.XPathException: Unknown extension instruction at net.sf.saxon.expr.ErrorExpression.evaluateItem(ErrorExpression.java:127) at net.sf.saxon.expr.Expression.process(Expression.java:880) at net.sf.saxon.expr.instruct.DocumentInstr.evaluateItem(DocumentInstr.java:325) at net.sf.saxon.expr.instruct.DocumentInstr.evaluateItem(DocumentInstr.java:50) at net.sf.saxon.expr.Atomizer.evaluateItem(Atomizer.java:317) at net.sf.saxon.expr.Atomizer.evaluateItem(Atomizer.java:37) at net.sf.saxon.expr.AtomicSequenceConverter.evaluateItem(AtomicSequenceConverter.java:311) at net.sf.saxon.expr.AtomicSequenceConverter.evaluateItem(AtomicSequenceConverter.java:34) at net.sf.saxon.expr.instruct.ValueOf.evaluateItem(ValueOf.java:313) at net.sf.saxon.expr.instruct.ValueOf.evaluateItem(ValueOf.java:45) at net.sf.saxon.expr.instruct.SimpleNodeConstructor.iterate(SimpleNodeConstructor.java:281) at net.sf.saxon.expr.instruct.BlockIterator.next(BlockIterator.java:49) at net.sf.saxon.expr.instruct.Message.processLeavingTail(Message.java:214) at net.sf.saxon.expr.instruct.Block.processLeavingTail(Block.java:657) at net.sf.saxon.expr.instruct.TemplateRule.applyLeavingTail(TemplateRule.java:393) at net.sf.saxon.trans.Mode.applyTemplates(Mode.java:456) at net.sf.saxon.trans.TextOnlyCopyRuleSet.process(TextOnlyCopyRuleSet.java:65) at net.sf.saxon.trans.Mode.applyTemplates(Mode.java:433) at net.sf.saxon.Controller.transformDocument(Controller.java:2291) at net.sf.saxon.Controller.transform(Controller.java:1889) at net.sf.saxon.s9api.XsltTransformer.transform(XsltTransformer.java:553) at net.sf.saxon.jaxp.TransformerImpl.transform(TransformerImpl.java:183) at com.thbs.viniReq.TransformXsl.main(TransformXsl.java:90)

这是我的 java 代码：

 public static void main(String[] args) throws XPathException { 

   System.setProperty("javax.xml.transform.TransformerFactory","net.sf.saxon.TransformerFactoryImpl");  

    EnterpriseConfiguration config=new EnterpriseConfiguration();
    config.setExtensionElementNamespace("http://ns.saxonica.com/sql", "net.sf.saxon.option.sql.SQLElementFactory");

    EnterpriseTransformerFactory factory = new EnterpriseTransformerFactory();
    factory.setConfiguration(config);
    try {  
        Transformer transformer =  factory.newTransformer(new StreamSource(new File(xslt)));

         transformer.transform(new StreamSource(new File(xml)),  
                              new StreamResult(new File(resultDir))); 

       transformer.setOutputProperty(OutputKeys.INDENT, "yes");
    } catch (Exception e) {  
        e.printStackTrace();  
    }

这是我的 XSLT：

<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet version="2.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
 xmlns:sql="http://ns.saxonica.com/sql"
 xmlns:xsd="http://www.w3.org/2001/XMLSchema"
 xmlns:java="http://saxon.sf.net/java-type"
 xmlns:saxon="http://saxon.sf.net/"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 exclude-result-prefixes="java saxon xsd xsi xsl"
 extension-element-prefixes="saxon sql"
 >
<xsl:output indent="yes"/>
<xsl:strip-space elements="*"
/>

<!-- Database Querying -->
<xsl:param name="jdbc.driver"   as="xsd:string" select="'oracle.jdbc.OracleDriver'" />
<xsl:param name="jdbc.database" as="xsd:string" select="'jdbc:oracle:thin:@localhost:1521:orclaq'" />
<xsl:param name="jdbc.user" as="xsd:string" select="'artl'" />
<xsl:param name="jdbc.pass" as="xsd:string" select="'artl'" />

<xsl:template match="OrderSubline">

<xsl:variable name="sql.conn" as="java:java.sql.Connection">
              <sql:connect driver="{$jdbc.driver}" database="{$jdbc.database}" user="{$jdbc.user}" password="{$jdbc.pass}">
                <xsl:fallback>
                  <xsl:message terminate="yes">SQL extenstions are not installed</xsl:message>
                </xsl:fallback>
              </sql:connect>
</xsl:variable>
<xsl:variable name="queue-table">
    <sql:query connection="$sql.conn" table="QUEUE_CONFIG" column="QUEUE_NAME" row-tag="book" column-tag="col" where="QUEUE_NAME='TVXX_INPT'"/>

</xsl:variable>
<xsl:variable name="queue-id">
    <sql:query connection="$sql.conn" table="QUEUE_CONFIG" column="QUEUE_ID" row-tag="book" column-tag="col" where="QUEUE_NAME='TVXX_INPT'"/>
</xsl:variable>
<xsl:message>queue name is <xsl:value-of select="$queue-table"/></xsl:message>

<RequestHeader>
<NeType><xsl:value-of select="$queue-table"/></NeType>
<OrderNo>100001</OrderNo>
<ReqUser>ff</ReqUser>
</RequestHeader>
</xsl:template>

</xsl:stylesheet>

如果我遗漏了什么，请告诉我。因为我过去 3 天一直被困在里面。提前致谢。

Answer 1

我无法立即看出这里出了什么问题，但我想到的第一个可能性是未找到许可证文件，应该将其作为可能的原因进行调查和排除。（这会导致 Saxon 运行本质上处于 Saxon-HE 模式。）由于您手头有 Configuration 对象，检查它的最简单方法是

config.isLicensedFeature(Configuration.LicenseFeature.ENTERPRISE_XSLT)

如果确实是许可证问题，那么我们需要查看类路径。我注意到您在 Eclipse 中运行ning，Eclipse 中的动态加载可能相当古怪。

撒克逊转换导致未知扩展指令

Saxon Transformation result in Unknown extension instruction

xml

xslt

saxon