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Date: Thu, 9 Dec 2010 03:07:18 +0530
Message-ID: <AANLkTi=GxofEKV6i-Fz44gdvKX6p5wPWU6mqJPdHFy2w@mail.gmail.com>
Subject: Camel File Component and the Splitter
From: Tarun Ramakrishna <lenkite@gmail.com>
To: users@camel.apache.org
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Hi all,

I have a puzzler and I thought I would throw it to the list before
going into camel debugging.

I have a custom mapping processor that given an Exchange, takes its
payload, split it to several payloads, creates an array list of byte[]
and sets them back into the IN message of the exchange. In the next
step, I use the Camel splitter to send Message 0 of the splitter and
Message 1 of the splitter to different components. Here is the rub -
if these components are file components, nothing happens! When I
replace them by components other than the file components, say: =A0mock
endpoints or logging endpoints, I clearly see the exchanges being
produced!

SNIPPET:
//In the below the 'pim' component is my custom component that split
the message into an arraylist of byte[] and sets it as the IN message
body as recommended by FAQ Entry: How do I write a custom Processor
which sends multiple messages?

from("direct:start")
  .to("pim:SplitMapping01.zip?cardinality=3D1_N")
  .split(simple("${in.body}"))
    .choice()
      .when(header("CamelSplitIndex").isEqualTo(0))
        .to("file://tmp/tringo")
        .to("log:MESSAGE1?level=3DERROR")
      .when(header("CamelSplitIndex").isEqualTo(1))
        .to("file://tmp/bingo")
        .to("log:MESSAGE2?level=3DERROR");

The log statements issued by MESSAGE1 and MESSAGE2 are indeed seen,
but no files are produced in either of 'tringo' or 'bingo'
directories!. Maybe, I am making a stupid mistake somewhere but I
can't see it ?

Example Output (The 2 log statements get issued shown below)

Dec 9, 2010 3:03:33 AM org.apache.camel.processor.Logger process
SEVERE: Exchange[ExchangePattern:InOnly, BodyType:byte[], Body:<?xml
version=3D"1.0" encoding=3D"UTF-8"?>
<ns1:Order xmlns:ns1=3D"http://mydemo.com"><Customer><CustomerID>0815</Cust=
omerID><CompanyName>AuntEmmaStore</CompanyName></Customer><OrderItem><Produ=
ct><ProductID>01-12345-A</ProductID><Description>Potato
1 kg</Description><Price>1.50</Price></Product><Quantity>100</Quantity></Or=
derItem><OrderItem><Product><ProductID>01-12346-A</ProductID><Description>A=
pple
1 kg</Description><Price>1.99</Price></Product><Quantity>80</Quantity></Ord=
erItem></ns1:Order>]

Dec 9, 2010 3:03:33 AM org.apache.camel.processor.Logger process
SEVERE: Exchange[ExchangePattern:InOnly, BodyType:byte[],
Body:<ns1:MarketingItem
xmlns:ns1=3D"http://mydemo.com"><Customer><CustomerID>0815</CustomerID><Com=
panyName>AuntEmmaStore</CompanyName></Customer><ProductIDList><ProductID>01=
-12345-A</ProductID><ProductID>01-12346-A</ProductID><ProductID>00-12345-A<=
/ProductID></ProductIDList></ns1:MarketingItem>]


All advice/help appreciated!
Thanks & Regards,
Tarun