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From Joe San <codeintheo...@gmail.com>
Subject Re: Camel JMS to CSV (with Excel Strategy)
Date Fri, 24 Aug 2012 09:23:03 GMT
I guess I got the wrong expression for xpath:

org.apache.camel.builder.xml.InvalidXPathExpression: Invalid xpath:
/*/child::pss:person/text(). Reason:
javax.xml.xpath.XPathExpressionException
    at
org.apache.camel.builder.xml.XPathBuilder.evaluateAs(XPathBuilder.java:686)
    at
org.apache.camel.builder.xml.XPathBuilder.evaluate(XPathBuilder.java:667)
    at
org.apache.camel.builder.xml.XPathBuilder.evaluate(XPathBuilder.java:147)
    at
org.apache.camel.processor.Splitter.createProcessorExchangePairs(Splitter.java:101)
    at
org.apache.camel.processor.MulticastProcessor.process(MulticastProcessor.java:209)
    at org.apache.camel.processor.Splitter.process(Splitter.java:96)
    at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
    at
org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:99)
    at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
    at
org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:73)
    at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
    at
org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:99)
    at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
    at
org.apache.camel.processor.interceptor.TraceInterceptor.process(TraceInterceptor.java:91)
    at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
    at
org.apache.camel.processor.RedeliveryErrorHandler.processErrorHandler(RedeliveryErrorHandler.java:330)
    at
org.apache.camel.processor.RedeliveryErrorHandler.process(RedeliveryErrorHandler.java:220)
    at
org.apache.camel.processor.RouteContextProcessor.processNext(RouteContextProcessor.java:45)
    at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
    at
org.apache.camel.processor.interceptor.DefaultChannel.process(DefaultChannel.java:303)
    at
org.apache.camel.processor.RouteContextProcessor.processNext(RouteContextProcessor.java:45)
    at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
    at
org.apache.camel.processor.UnitOfWorkProcessor.processAsync(UnitOfWorkProcessor.java:150)
    at
org.apache.camel.processor.UnitOfWorkProcessor.process(UnitOfWorkProcessor.java:117)
    at
org.apache.camel.processor.RouteInflightRepositoryProcessor.processNext(RouteInflightRepositoryProcessor.java:48)
    at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
    at
org.apache.camel.util.AsyncProcessorHelper.process(AsyncProcessorHelper.java:73)
    at
org.apache.camel.processor.DelegateAsyncProcessor.processNext(DelegateAsyncProcessor.java:99)
    at
org.apache.camel.processor.DelegateAsyncProcessor.process(DelegateAsyncProcessor.java:90)
    at
org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:73)
    at
org.apache.camel.component.file.GenericFileConsumer.processExchange(GenericFileConsumer.java:336)
    at
org.apache.camel.component.file.GenericFileConsumer.processBatch(GenericFileConsumer.java:189)
    at
org.apache.camel.component.file.GenericFileConsumer.poll(GenericFileConsumer.java:155)
    at
org.apache.camel.impl.ScheduledPollConsumer.doRun(ScheduledPollConsumer.java:139)
    at
org.apache.camel.impl.ScheduledPollConsumer.run(ScheduledPollConsumer.java:91)

On Fri, Aug 24, 2012 at 11:08 AM, Joe San <codeintheopen@gmail.com> wrote:

> I tried this xpath example in my route and got the below exception:
>
> My Route definition:
> from("file://C:/folders/inbox?noop=true").split(xpath("/*/child::pss:persons/text()")).to("file://C:/folders/outbox");
>
> Caused by:
> com.sun.org.apache.xpath.internal.domapi.XPathStylesheetDOM3Exception:
> Prefix must resolve to a namespace: pss
>     at
> com.sun.org.apache.xpath.internal.compiler.XPathParser.errorForDOM3(Unknown
> Source)
>     at
> com.sun.org.apache.xpath.internal.compiler.Lexer.mapNSTokens(Unknown Source)
>     at com.sun.org.apache.xpath.internal.compiler.Lexer.tokenize(Unknown
> Source)
>     at com.sun.org.apache.xpath.internal.compiler.Lexer.tokenize(Unknown
> Source)
>     at
> com.sun.org.apache.xpath.internal.compiler.XPathParser.initXPath(Unknown
> Source)
>     at com.sun.org.apache.xpath.internal.XPath.<init>(Unknown Source)
>     at com.sun.org.apache.xpath.internal.XPath.<init>(Unknown Source)
>     ... 46 more
>
> I can understand that I have to define the namespace but where do I do
> that?
>
> Regards,
> Jothi
>
>
> On Fri, Aug 24, 2012 at 9:22 AM, Joe San <codeintheopen@gmail.com> wrote:
>
>> Ok. After a bit of reading about xPath, I have the following. But not
>> sure if this would work as expected.
>>
>> The xml:
>>
>>           ....
>>           ....
>>           <pss:persons xmlns:pss="persons:datatype">
>>             <rss:person xmlns:rss="person:datatype">
>>                 <name>jothi</name>
>>                 <age>32</age>
>>                 <gender>M</gender>
>>             </rss:person>
>>           </ns:persons>
>>           ....
>>           ....
>>
>> The xPath:
>>
>> /*/child:psst:persons/text()
>>
>> Would fetch me all the tags under pss:persons. Did I get this right?
>>
>> Regards,
>> Jothi
>>
>
>

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