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From "Hans Orbaan (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (CAMEL-8871) null body after exception from transform method
Date Mon, 15 Jun 2015 08:25:00 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-8871?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Hans Orbaan updated CAMEL-8871:
-------------------------------
    Description: 
When an exception is thrown from a transform method I lose the content of the message body.
This behaviour is unexpected because it does not happen when an exception is thrown from a
bean call.

.bean(ErrorBean.class, ErrorBean.METHOD)
Vs.
.transform().method(ErrorBean.class, ErrorBean.METHOD)

I have a testcase that I will try to get attached but here are the routes:
{code:java}
if ("testTransformExceptionToErrorRoute".equals(getTestMethodName())) {
                    from(START)
                    .routeId("exception.test.transform")
                    .transform().method(ErrorBean.class, ErrorBean.METHOD)
                    .to(END);
                } else {
                    from(START)
                    .routeId("exception.test.bean")
                    .bean(ErrorBean.class, ErrorBean.METHOD)
                    .to(END);
                }

    public static class ErrorBean {
        private static final String METHOD = "throwException";
        public static void throwException(Exchange exchange) {
            String body = exchange.getIn().getBody(String.class);
            Assertions.assertThat(body).isEqualTo(BODY);
            throw new NullPointerException();
        }
    }
{code}

  was:
When an exception is thrown from a transform method I lose the content of the message body.
This behaviour is unexpected because it does not happen when an exception is thrown from a
bean call.

.bean(ErrorBean.class, ErrorBean.METHOD)
Vs.
.transform().method(ErrorBean.class, ErrorBean.METHOD)

I have a testcase that I will try to get attached but here are the routes:
{code:java}
if ("testTransformExceptionToErrorRoute".equals(getTestMethodName())) {
                    from(START)
                    .routeId("exception.test.transform")
                    .transform().method(ErrorBean.class, ErrorBean.METHOD)
                    .to(END);
                } else {
                    from(START)
                    .routeId("exception.test.bean")
                    .bean(ErrorBean.class, ErrorBean.METHOD)
                    .to(END);
                }

    public static class ErrorBean {
        private static final String METHOD = "throwException";
        public static void throwException(Exchange exchange) {
            String body = exchange.getIn().getBody(String.class);
            Assertions.assertThat(body).isEqualTo(BODY);
            throw new AssertionError();
        }
    }
{code}


> null body after exception from transform method
> -----------------------------------------------
>
>                 Key: CAMEL-8871
>                 URL: https://issues.apache.org/jira/browse/CAMEL-8871
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.15.2
>            Reporter: Hans Orbaan
>            Priority: Minor
>             Fix For: 2.16.0, 2.15.3
>
>         Attachments: ExceptionToErrorRouteTest.java
>
>
> When an exception is thrown from a transform method I lose the content of the message
body. This behaviour is unexpected because it does not happen when an exception is thrown
from a bean call.
> .bean(ErrorBean.class, ErrorBean.METHOD)
> Vs.
> .transform().method(ErrorBean.class, ErrorBean.METHOD)
> I have a testcase that I will try to get attached but here are the routes:
> {code:java}
> if ("testTransformExceptionToErrorRoute".equals(getTestMethodName())) {
>                     from(START)
>                     .routeId("exception.test.transform")
>                     .transform().method(ErrorBean.class, ErrorBean.METHOD)
>                     .to(END);
>                 } else {
>                     from(START)
>                     .routeId("exception.test.bean")
>                     .bean(ErrorBean.class, ErrorBean.METHOD)
>                     .to(END);
>                 }
>     public static class ErrorBean {
>         private static final String METHOD = "throwException";
>         public static void throwException(Exchange exchange) {
>             String body = exchange.getIn().getBody(String.class);
>             Assertions.assertThat(body).isEqualTo(BODY);
>             throw new NullPointerException();
>         }
>     }
> {code}



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