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From Mirko Caserta <mirko.case...@gmail.com>
Subject Re: Tracer set to WARN breaks app
Date Tue, 09 Aug 2011 13:18:01 GMT
Hi Freeman,
your gut feeling was right :)

Thanks a lot. You guys rock!

Mirko

On Tue, Aug 9, 2011 at 3:00 PM, Freeman Fang <freeman.fang@gmail.com> wrote:
> Hi,
>
> My gut feeling is that the input stream was consumed differently with
> different log levels.
> You may need add streamCaching="true" to your router DSL.
>
> Freeman
> On 2011-8-9, at 下午8:43, Mirko Caserta wrote:
>
>> Hi there,
>> I have a weird issue regarding the Tracer.
>>
>> The problem my client is reporting is that switching the logger on
>> "org.apache.camel.processor.interceptor.Tracer" from INFO to WARN
>> breaks the application. I know it sounds weird but I've been able to
>> reproduce the issue in my environment.
>>
>> I am using camel 2.7.2 but some preliminary tests with 2.8.0 show no
>> difference.
>>
>> Also, I'm using slf4j-api and logback-classic for logging.
>>
>> The problem manifests itself in a route where I'm getting an xml
>> response message from an http client component, then pass it to a
>> Smooks processor. When "org.apache.camel.processor.interceptor.Tracer"
>> is set to WARN, it looks like the message has disappeared between the
>> http client and the Smooks processor (which complains with a
>> "Premature EOF" exception).
>>
>> I also see that, when the route is working, the message body is an
>> instance of
>> org.apache.camel.converter.stream.CachedOutputStream.WrappedInputStream
>> right after the http client component, then suddenly becomes an
>> org.apache.camel.converter.stream.InputStreamCache.
>>
>> The obvious workaround so far is to tell my client to set
>> org.apache.camel.processor.interceptor.Tracer on INFO, but they
>> complain that logs are too verbose and would prefer to set the tracer
>> to ERROR.
>>
>> I can share my route config and/or code if you think it would help.
>>
>> Thanks, Mirko.
>
> ---------------------------------------------
> Freeman Fang
>
> FuseSource
> Email:ffang@fusesource.com
> Web: fusesource.com
> Twitter: freemanfang
> Blog: http://freemanfang.blogspot.com
>
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