Hi Thanks for reporting. I have reproduced the issue and created a ticket https://issues.apache.org/jira/browse/CAMEL-4519
On Tue, Oct 4, 2011 at 8:27 PM, green.sea <casey.lewis.gr...@gmail.com> wrote: > Hi, > I'm trying to inject a property into a <xpath> tag in a Spring camelContext. > > According to http://camel.apache.org/xpath.html there exists a function > "function:properties()" that should pull a property from a configured > <propertyPlaceholder> configuration file. This does not seem to work as > described/expected, but perhaps I'm missing something. I've tried camel v. > 2.5, and every release afterwards. > > *Dependencies:* > > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-core</artifactId> > <version>${camel.version}</version> > </dependency> > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-jms</artifactId> > <version>${camel.version}</version> > </dependency> > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-mvel</artifactId> > <version>${camel.version}</version> > </dependency> > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-quartz</artifactId> > <version>${camel.version}</version> > </dependency> > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-spring</artifactId> > <version>${camel.version}</version> > </dependency> > <dependency> > <groupId>org.apache.camel</groupId> > <artifactId>camel-saxon</artifactId> > <version>${camel.version}</version> > </dependency> > > *Spring Configuration:* > > <camelContext id="routes" xmlns="http://camel.apache.org/schema/spring";> > > <propertyPlaceholder id="properties" > location="classpath:camel/mappings.properties"/> > > <route id="splitter"> > ... > > > <split> > <xpath>function:properties('split.message.at.xpath')</xpath> > <to uri="direct:enrich"/> > </split> > </route> > ... > <route id="someRoute"> > <from uri="direct:enrich"/> > ... > <setHeader headerName="name"> > <xpath > resultType="java.lang.String">function:properties('name.xpath')</xpath> > </setHeader> > ... > </route> > > ... > </camelContext> > > > *mappings.properties:* > > split.message.at.xpath=/Objects/object > name.xpath=/object/name > > > The exception occurs at the splitter. > *Exception:* > > org.apache.camel.builder.xml.InvalidXPathExpression: Invalid xpath: > function:properties('split.message.at.xpath'). Reason: > javax.xml.xpath.XPathExpressionException > at > org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:671) > at > org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:629) > at > org.apache.camel.builder.xml.XPathBuilder.evaluate(XPathBuilder.java:602) > at > org.apache.camel.builder.xml.XPathBuilder.evaluate(XPathBuilder.java:131) > at > org.apache.camel.processor.Splitter.createProcessorExchangePairs(Splitter.java:99) > at > org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:200) > at org.apache.camel.processor.Splitter.process(Splitter.java:94) > at > org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77) > at > org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98) > at > org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89) > at > org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:68) > at > org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77) > at > org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98) > at > org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89) > at > org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:99) > at > org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77) > at > org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:299) > at > org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:208) > at > org.apache.camel.processor.DefaultChannel.process(DefaultChannel.java:269) > at > org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:109) > at > org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:77) > at > org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:98) > at > org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:89) > at > org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:68) > at > org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:103) > at > org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:85) > at > org.apache.camel.component.jms.EndpointMessageListener.onMessage(EndpointMessageListener.java:92) > at > org.springframework.jms.listener.AbstractMessageListenerContainer.doInvokeListener(AbstractMessageListenerContainer.java:559) > at > org.springframework.jms.listener.AbstractMessageListenerContainer.invokeListener(AbstractMessageListenerContainer.java:498) > at > org.springframework.jms.listener.AbstractMessageListenerContainer.doExecuteListener(AbstractMessageListenerContainer.java:467) > at > org.springframework.jms.listener.AbstractPollingMessageListenerContainer.doReceiveAndExecute(AbstractPollingMessageListenerContainer.java:323) > at > org.springframework.jms.listener.AbstractPollingMessageListenerContainer.receiveAndExecute(AbstractPollingMessageListenerContainer.java:261) > at > org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.invokeListener(DefaultMessageListenerContainer.java:977) > at > org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.executeOngoingLoop(DefaultMessageListenerContainer.java:969) > at > org.springframework.jms.listener.DefaultMessageListenerContainer$AsyncMessageListenerInvoker.run(DefaultMessageListenerContainer.java:871) > at > java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) > at java.lang.Thread.run(Thread.java:662) > Caused by: javax.xml.xpath.XPathExpressionException > at > net.sf.saxon.xpath.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:357) > at > org.apache.camel.builder.xml.XPathBuilder.doInEvaluateAs(XPathBuilder.java:657) > ... 37 more > *Caused by: net.sf.saxon.trans.XPathException: Extension function required > class org.w3c.dom.NodeList; supplied value of class > net.sf.saxon.value.StringValue could not be converted > at > net.sf.saxon.dom.DOMObjectModel.convertXPathValueToObject(DOMObjectModel.java:395) > at net.sf.saxon.dom.DOMObjectModel.access$000(DOMObjectModel.java:42) > at net.sf.saxon.dom.DOMObjectModel$5.convert(DOMObjectModel.java:166) > at > net.sf.saxon.xpath.XPathExpressionImpl.evaluate(XPathExpressionImpl.java:352) > ... 38 more* > > > Note, this works fine if I hardcode the value instead of sourcing it from a > property file. > > -- > View this message in context: > http://camel.465427.n5.nabble.com/Using-properties-in-XPath-Spring-tags-tp4869840p4869840.html > Sent from the Camel - Users mailing list archive at Nabble.com. > -- Claus Ibsen ----------------- FuseSource Email: cib...@fusesource.com Web: http://fusesource.com Twitter: davsclaus, fusenews Blog: http://davsclaus.blogspot.com/ Author of Camel in Action: http://www.manning.com/ibsen/
