如何解决无法在 XSLT 中调用扩展函数
我们的项目是用 Spring Boot 编写的，我们正在将 Apache Camel 集成到 Spring Boot 中。在我们的 Camel 路由中，我们从源系统接收 XML，在 XSLT 中转换它并将 XML 输出发送到目标系统。在 XSLT 中，我们使用了一个扩展函数：
xmlns:exsl="http://exslt.org/common"
我们在 JBoss EAP 中将项目部署为 war 文件。问题是扩展函数在调用时抛出以下异常：
javax.xml.transform.TransformerException: Extension function: '{http://exslt.org/common}node-set' can not be invoked when the XMLConstants.FEATURE_SECURE_PROCESSING feature is set to true.
at org.apache.xpath.functions.FuncExtFunction.execute(FuncExtFunction.java:186)
at org.apache.xpath.axes.FilterExprIteratorSimple.executeFilterExpr(FilterExprIteratorSimple.java:116)
at org.apache.xpath.axes.FilterExprWalker.setRoot(FilterExprWalker.java:131)
at org.apache.xpath.axes.WalkingIterator.setRoot(WalkingIterator.java:157)
at org.apache.xpath.axes.NodeSequence.setRoot(NodeSequence.java:265)
at org.apache.xpath.axes.LocPathIterator.asIterator(LocPathIterator.java:269)
at org.apache.xalan.templates.ElemForEach.transformSelectednodes(ElemForEach.java:335)
at org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:265)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemIf.execute(ElemIf.java:162)
at org.apache.xalan.templates.ElemForEach.transformSelectednodes(ElemForEach.java:425)
at org.apache.xalan.templates.ElemForEach.execute(ElemForEach.java:265)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1376)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1376)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.templates.ElemLiteralResult.execute(ElemLiteralResult.java:1376)
at org.apache.xalan.templates.ElemApplyTemplates.transformSelectednodes(ElemApplyTemplates.java:395)
at org.apache.xalan.templates.ElemApplyTemplates.execute(ElemApplyTemplates.java:178)
at org.apache.xalan.transformer.TransformerImpl.executeChildTemplates(TransformerImpl.java:2402)
at org.apache.xalan.transformer.TransformerImpl.applyTemplatetoNode(TransformerImpl.java:2272)
at org.apache.xalan.transformer.TransformerImpl.transformNode(TransformerImpl.java:1358)
at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:711)
at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1275)
at org.apache.xalan.transformer.TransformerImpl.transform(TransformerImpl.java:1253)
at org.apache.camel.builder.xml.XsltBuilder.process(XsltBuilder.java:142)
at org.apache.camel.impl.ProcessorEndpoint.onExchange(ProcessorEndpoint.java:103)
at org.apache.camel.component.xslt.XsltEndpoint.onExchange(XsltEndpoint.java:149)
at org.apache.camel.impl.ProcessorEndpoint$1.process(ProcessorEndpoint.java:71)
at org.apache.camel.util.AsyncProcessorConverterHelper$ProcessorToAsyncProcessorBridge.process(AsyncProcessorConverterHelper.java:61)
at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:148)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:117)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:101)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:76)
at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:148)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:101)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.component.direct.DirectProducer.process(DirectProducer.java:76)
at org.apache.camel.processor.SendProcessor.process(SendProcessor.java:148)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:101)
at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:117)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:117)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:101)
at org.apache.camel.processor.ChoiceProcessor.process(ChoiceProcessor.java:117)
at org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:548)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:138)
at org.apache.camel.processor.Pipeline.process(Pipeline.java:101)
at org.apache.camel.processor.CamelInternalProcessor.process(CamelInternalProcessor.java:201)
at org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:97)
at org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:113)
at org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:736)
at org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:696)
at org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:674)
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:318)
at org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:257)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncmessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:1189)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncmessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:1179)
at org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncmessageListenerInvoker.run(DefaultMessageListenerContainer.java:1076)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
我们使用的软件版本如下：
Spring Boot - 2.3.3.RELEASE 阿帕奇骆驼：2.25 1 XSLT：1.0 JBoss EAP：7.3.0
请建议如何解决此问题。
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