Harish Annamalai created CAMEL-19441:
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Summary: Camel does not continue routing after doTry..doCatch..end
block in case of Direct Component.
Key: CAMEL-19441
URL: https://issues.apache.org/jira/browse/CAMEL-19441
Project: Camel
Issue Type: Bug
Components: camel-core, camel-core-api
Affects Versions: 3.14.7
Reporter: Harish Annamalai
Camel Does not continue routing with a doTry..doCatch..end block with direct
component with a onException clause defined in it.
I have created two routes namely, MainRoute and childRoute.
The ChildRoute consists of an onExceptionBlock, with "handled(true)" clause.
when an exception occurs in the childRoute, the onExceptionBlock executes and
the chlidRoute execution stops. However, the flow doesn't continue on the
mainRoute.
Camel DSL for the two routes:
{{from("timer://runOnce?repeatCount=1&delay=1000")}}
{{ .id("MainRoute")}}
{{ .onException(Exception.class)}}
{{ .setBody(constant("ExceptionBLock"))}}
{{ .to("log://error")}}
{{ .handled(true)}}
{{ .end()}}
{{ .setHeader("routeLocation", constant("MainRoute"))}}
{{ .setBody(constant("MainRoute"))}}
{{ .to("log://main")}}
{{ .doTry()}}
{{ .to("direct://childRoute")}}
{{ .doCatch(Exception.class)}}
{{ .to("log://ExceptionCatchBlock")}}
{{ .end()}}
{{ .to("log://afterTryCatch")}}
{{ .end();}}{{ from("direct://childRoute")}}
{{ .id("ExceptionRoute")}}
{{ .onException(Exception.class)}}
{{ .useOriginalMessage()}}
{{ .handled(true)}}
{{ .setBody(constant("Child Exception Block"))}}
{{ .to("log://childExceptionSubProcess")}}
{{ .end()}}
{{ .setHeader("routeLocation", constant("exceptionRoute"))}}
{{ .setBody(constant("Exception Route"))}}
{{ .to("log://beforeException")}}
{{ .throwException(new RuntimeException("A runtime exception"))}}
{{ .to("log://afterException")}}
{{ .end();}}{{ }}
{{Output:}}
{quote}{{2023-06-13 16:30:20.876 INFO 3500 --- [timer://runOnce] main
: Exchange[ExchangePattern: InOnly, BodyType:
String, Body: MainRoute]}}
{{2023-06-13 16:30:20.880 INFO 3500 --- [timer://runOnce] beforeException
: Exchange[ExchangePattern: InOnly, BodyType: String, Body:
Exception Route]}}
{{2023-06-13 16:30:20.883 INFO 3500 --- [timer://runOnce]
childExceptionSubProcess : Exchange[ExchangePattern: InOnly,
BodyType: String, Body: Child Exception Block]}}
{quote}
{{In the above routes, when the exception occurred in the childRoute, the
onException block in childRoute executes, however, the
}}{color:#FF0000}{{.to("log://afterException")
}}{color}{color:#172b4d}{{doesn't execute.}}{color}{{{}{}}}
{color:#172b4d}{{As per the documentation, the doTry..doCatch block mimic the
Java, try..catch block. }}{color}
{color:#172b4d}{{Here the routing breaks on the mainRoute.}}{color}
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