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https://issues.apache.org/jira/browse/CAMEL-11279?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16300129#comment-16300129
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Oskar Huminiecki edited comment on CAMEL-11279 at 12/21/17 4:30 PM:
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I believe that exceptions are still not handled correctly (at least in 2.19.4)
Circuit breaker should be transparent when `closed` - so until it is `open` all
exceptions should be passed through not wrapped as it happening now (when
fallback is disabled)
Current implementation always wraps original exception in
`HystrixRuntimeException` - this way it is neither transparent nor compatible
with Java use with annotations.
For clarification: hystrix library always wraps cause with
`HystrixRuntimeException` but Java aspect is implementation unwraps it and in
result annotation based hystrix in Java is transparent.
And it should behave same way in Camel.
I actually rised story CAMEL-12100
was (Author: huminio):
I believe that exceptions are still not handled correctly (at least in 2.19.4)
Circuit breaker should be transparent when `closed` - so until it is `open` all
exceptions should be passed through not wrapped as it happening now (when
fallback is disabled)
Current implementation always wraps original exception in
`HystrixRuntimeException` - this way it is neither transparent nor compatible
with Java use with annotations.
For clarification: hystrix library always wraps cause with
`HystrixRuntimeException` but Java aspect is implementation unwraps it and in
result annotation based hystrix in Java is transparent.
And it should behave same way in Camel.
> Camel hystrix does not handle exceptions properly
> -------------------------------------------------
>
> Key: CAMEL-11279
> URL: https://issues.apache.org/jira/browse/CAMEL-11279
> Project: Camel
> Issue Type: Bug
> Components: camel-hystrix
> Affects Versions: 2.18.2, 2.18.3, 2.19.0
> Environment: spring boot 1.4.2
> Reporter: Anton Krosnev
> Assignee: Claus Ibsen
> Fix For: 2.18.4, 2.19.1, 2.20.0
>
>
> Exceptions in the route executed by Hystrix are not propagated to Hystrix
> itself and main features such as "circuit open" are not available, when
> errors pack up. The scenario was working with fallbackEnabled="true" in
> 2.18.1.
> I have prepared a JUnit test:
> https://github.com/anton-k11/camel/blob/cffa13cb8106731ba94aaff85a9dd81715315306/components/camel-hystrix/src/test/java/org/apache/camel/component/hystrix/processor/HystrixCircutExceptionTest.java
> The test works fine if the IOException on line 110 is comment out and instead
> a Thread.sleep is used to simulate timeout.
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