Hi Sohani, Since 'string-join' is a XPath 2.0 function, It seems you have to enable xpath 2.0 support in ESB [1]
Thanks, Viraj. [1] http://mytecheye.blogspot.com/2013/01/wso2-esb-enable-xpath-20-in-wso2-esb.html On Tue, Jun 3, 2014 at 2:20 PM, Sohani Weerasinghe <soh...@wso2.com> wrote: > Hi Harsha, > > I tried that as well, but it is not supporting in ESB as i mentioned > previously. > > Thanks, > Sohani > > Sohani Weerasinghe > Software Engineer > WSO2, Inc: http://wso2.com > > Mobile : +94 716439774 > Blog :http://christinetechtips.blogspot.com/ > Twitter : https://twitter.com/sohanichristine > > > On Tue, Jun 3, 2014 at 2:08 PM, Harsha Kumara <hars...@wso2.com> wrote: > >> Hi Sohani, >> May be your expression syntax is incorrect. Is it works when it change >> like expression="fn:string-join(('name','age'), '-').I'm referring to >> [1]. >> >> [1]-http://www.xqueryfunctions.com/xq/fn_string-join.html >> THanks, >> Harsha >> >> >> On Tue, Jun 3, 2014 at 1:36 PM, Sohani Weerasinghe <soh...@wso2.com> >> wrote: >> >>> Hi All, >>> >>> I am using an XPATH expression as follows, >>> >>> <sequence xmlns="http://ws.apache.org/ns/synapse"; name="sequence1"> >>> <log level="custom"> >>> <property xmlns:ns="http://org.apache.synapse/xsd"; >>> xmlns:fn="http://www.w3.org/2005/xpath-functions"; name="insq" >>> expression="fn:string-join('name','age', '-')"/> >>> </log> >>> <drop/> >>> </sequence> >>> >>> When I invoke the proxy I am getting an error as follows >>> >>> >>> SynapseXPath Evaluation of the XPath expression >>> fn:string-join('name','age', '-') resulted in an error >>> >>> org.jaxen.UnresolvableException: No Such Function >>> {http://www.w3.org/2005/xpath-functions}:string-join >>> >>> at >>> org.jaxen.SimpleFunctionContext.getFunction(SimpleFunctionContext.java:127) >>> >>> at >>> org.apache.synapse.util.xpath.SynapseXPathFunctionContext.getFunction(SynapseXPathFunctionContext.java:93) >>> >>> at org.jaxen.ContextSupport.getFunction(ContextSupport.java:242) >>> >>> at org.jaxen.Context.getFunction(Context.java:216) >>> >>> at >>> org.jaxen.expr.DefaultFunctionCallExpr.evaluate(DefaultFunctionCallExpr.java:172) >>> >>> at org.jaxen.expr.DefaultXPathExpr.asList(DefaultXPathExpr.java:102) >>> >>> at org.jaxen.BaseXPath.selectNodesForContext(BaseXPath.java:674) >>> >>> at org.jaxen.BaseXPath.selectNodes(BaseXPath.java:213) >>> >>> at org.jaxen.BaseXPath.evaluate(BaseXPath.java:172) >>> >>> at >>> org.apache.synapse.util.xpath.SynapseXPath.stringValueOf(SynapseXPath.java:297) >>> >>> at >>> org.apache.synapse.mediators.MediatorProperty.getEvaluatedExpression(MediatorProperty.java:138) >>> >>> at >>> org.apache.synapse.mediators.builtin.LogMediator.setCustomProperties(LogMediator.java:192) >>> >>> at >>> org.apache.synapse.mediators.builtin.LogMediator.getCustomLogMessage(LogMediator.java:131) >>> >>> at >>> org.apache.synapse.mediators.builtin.LogMediator.getLogMessage(LogMediator.java:117) >>> >>> at >>> org.apache.synapse.mediators.builtin.LogMediator.mediate(LogMediator.java:91) >>> >>> at >>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) >>> >>> at >>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) >>> >>> at >>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) >>> >>> at >>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:77) >>> >>> at >>> org.apache.synapse.mediators.AbstractListMediator.mediate(AbstractListMediator.java:47) >>> >>> at >>> org.apache.synapse.mediators.base.SequenceMediator.mediate(SequenceMediator.java:131) >>> >>> at >>> org.apache.synapse.core.axis2.ProxyServiceMessageReceiver.receive(ProxyServiceMessageReceiver.java:166) >>> >>> at org.apache.axis2.engine.AxisEngine.receive(AxisEngine.java:180) >>> >>> at >>> org.apache.synapse.transport.passthru.ServerWorker.processEntityEnclosingRequest(ServerWorker.java:411) >>> >>> at >>> org.apache.synapse.transport.passthru.ServerWorker.run(ServerWorker.java:183) >>> >>> at >>> org.apache.axis2.transport.base.threads.NativeWorkerPool$1.run(NativeWorkerPool.java:172) >>> >>> at >>> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) >>> >>> at >>> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) >>> >>> at java.lang.Thread.run(Thread.java:722) >>> >>> >>> According to [1] it states the string-join function should be as follows, >>> >>> fn:string-join(('name','age'), '-') - with two brackets but when I try to >>> do so, ESB doesn't support this. >>> >>> [1] >>> http://www.w3.org/TR/2014/REC-xpath-functions-30-20140408/#func-string-join >>> >>> Can someone please state the correct way of writing the XPATH expression >>> ? >>> >>> Thanks, >>> Sohani >>> >>> Sohani Weerasinghe >>> Software Engineer >>> WSO2, Inc: http://wso2.com >>> >>> Mobile : +94 716439774 >>> Blog :http://christinetechtips.blogspot.com/ >>> Twitter : https://twitter.com/sohanichristine >>> >>> _______________________________________________ >>> Dev mailing list >>> Dev@wso2.org >>> http://wso2.org/cgi-bin/mailman/listinfo/dev >>> >>> >> >> >> -- >> Harsha Kumara >> Software Engineer, WSO2 Inc. >> Mobile: +94775505618 >> Blog:harshcreationz.blogspot.com >> > > > _______________________________________________ > Dev mailing list > Dev@wso2.org > http://wso2.org/cgi-bin/mailman/listinfo/dev > > -- Viraj Rajaguru Software Engineer WSO2 Inc. : http://wso2.com Mobile: +94 77 3683068
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