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From Claus Ibsen <claus.ib...@gmail.com>
Subject Re: Error Handling In Camel
Date Thu, 01 Sep 2011 14:00:54 GMT
The caused exception is stored as a property on the Exchange using the key
Exchange.EXCEPTION_CAUGHT



On Wed, Aug 31, 2011 at 10:00 AM, aum.struts <aum.struts@gmail.com> wrote:
> Hi All,
>
> While working with Camel i have a requirement where i need to validate an
> XML with a given XSD and in case of validation faliure need to stop the
> process and notify user about valdation failed
>
> First part is working fine for the validation as i am using camel out of the
> box validator
> and i have declared a global Exception handler in my spring.xml file with
> the following entry
>
> <onException useOriginalMessage="true">
>            <exception>org.apache.camel.ValidationException</exception>
>            <exception>org.xml.sax.SAXParseException</exception>
>
> <exception>org.apache.camel.processor.validation.SchemaValidationException</exception>
>            <exception>java.lang.Exception</exception>
>            <handled>
>                <constant>false</constant>
>        </handled>
>                <process ref="exceptionHandler"/>
>                to uri="file://data/failed" /
>   </onException>
>
> where exceptionHandler is my custom Exceptionhandler
>
> public class AdapterExceptionHandler implements Processor {
>
>        IAdapterManager adapterManager;
>
>        public void setAdapterManager(IAdapterManager adapterManager) {
>                this.adapterManager = adapterManager;
>        }
>
>        public void process(Exchange exchange) throws Exception {
>                ExceptionBean exeB = new ExceptionBean();
>                System.out.println(exchange.getProperty("************
> "+Exchange.EXCEPTION_CAUGHT,Throwable.class));
>        exeB.setExceptionObj(exchange.getException());
>                System.out.println("Excahange adapterManager---------"+adapterManager);
>                ManagerStateBean mgrStateBean = null;
>                if (adapterManager.getAdapterMgrState() != null) {
>                        mgrStateBean=adapterManager.getAdapterMgrState();
>                }else{
>                        mgrStateBean = new ManagerStateBean();
>                }
>                mgrStateBean.setExecutionStatus(AdapterConstants.ExceptionOccurred);
>                mgrStateBean.setExceptionData(exeB);
>                adapterManager.setAdapterMgrState(mgrStateBean);
>        }
>
> But when validation getting failed camel is giving the control back to
> AdapterExceptionHandler but Exchange is coming as null since when i am
> trying to fetch exception object from it it is coming as null
>
> though on the console it is showing the DefaultErrorHandler is handling the
> exception but i am clueless how i can forward the exception to my
> "AdapterExceptionHandler "
>
> here is the console output
>
> [thread #1 - file://data/input/] DefaultValidationErrorHandler  DEBUG
> Validation error: org.xml.sax.SAXParseException: cvc-complex-type.2.4.b: The
> content of element 'record' is not complete. One of '{element}' is expected.
> org.xml.sax.SAXParseException: cvc-complex-type.2.4.b: The content of
> element 'record' is not complete. One of '{element}' is expected.
>        at
> com.sun.org.apache.xerces.internal.util.ErrorHandlerWrapper.createSAXParseException(Unknown
> Source)[:1.6.0_26]
>
> [thread #1 - file://data/input/] DefaultErrorHandler            DEBUG Failed
> delivery for exchangeId: ID-snsln-045-51580-1314777491191-0-28. On delivery
> attempt: 0 caught:
> org.apache.camel.processor.validation.SchemaValidationException: Validation
> failed for:
> com.sun.org.apache.xerces.internal.jaxp.validation.SimpleXMLSchema@1d2b8e
> errors: [org.xml.sax.SAXParseException: cvc-complex-type.2.4.b: The content
> of element 'record' is not complete. One of '{element}' is expected.,
> org.xml.sax.SAXParseException: cvc-complex-type.2.4.b: The content of
> element 'record' is not complete. One of '{element}' is expected.,
> org.xml.sax.SAXParseException: cvc-complex-type.2.4.b: The content of
> element 'record' is not complete. One of '{element}' is expected.].
> Exchange[null]
> Excahange INNNNNNNNNNNnull
> Excahange INNNNNNNNNNNCamelFailureEndpoint
> Excahange INNNNNNNNNNNCamelFailureHandled
> null
> null
>
> can any one help me out how can i pass the Exception to my
> "AdapterExceptionHandler"
>
> Thanks in advance
>
> --
> View this message in context: http://camel.465427.n5.nabble.com/Error-Handling-In-Camel-tp4753284p4753284.html
> Sent from the Camel - Users mailing list archive at Nabble.com.
>



-- 
Claus Ibsen
-----------------
FuseSource
Email: cibsen@fusesource.com
Web: http://fusesource.com
Twitter: davsclaus, fusenews
Blog: http://davsclaus.blogspot.com/
Author of Camel in Action: http://www.manning.com/ibsen/

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