FTP or pollEnrich not working well in Camel 3.14.2

Daniel Langevin Wed, 13 Apr 2022 10:57:01 -0700

Hello,

I am converting routes from CAMEL 2.17.7 to Camel 3.14.2



This route performs a Directory List of an FTP Site and builds an XML result 
with the obtained list.
It's been working fine in Camel 2.17.7 for several years, but in Camel 3.14.2 
I'm not able to get it to work properly anymore.
In the two cases I have 3 files in the FTP Directory (pointed on the same 
directory)

1)** Here is my route in CAMEL 2.17.7 in SPRING XML running in ServiceMix 7.0.1

<route id="rte.DESJ.FTPList">
  <description>Camel 2.17.7 FTPlist </description>
  <from uri="direct:desjFtpList" />
  <setProperty propertyName="zzLoop"> <constant>0</constant></setProperty>
  <setProperty 
propertyName="zzFtpDirList"><simple>&lt;DirList&gt;\n</simple></setProperty>
  <log message="Entering Loop 2.17.7" />
  <loop doWhile="true">
    <simple>${property.zzLoop} != ${header.CamelBatchSize}</simple> 
    <pollEnrich timeout="10000" >
       
<simple>ftp://{{serveur.DATA}}/{{desjSHQGroupe}}{{desjSHQrepertoireCheque}}?username={{serveur.user}}&amp;password={{server.passwd}}&amp;exclude=(?i)noseqchq.(?i)txt&amp;download=false&amp;timeout=30000&amp;noop=true&amp;sendEmptyMessageWhenIdle=true&amp;disconnect=true&amp;idempotent=false</simple>
    </pollEnrich>
    <log message="After pollEnrich" />
        <log message="CamelBatchSize: ${header.CamelBatchSize} " />
    <setProperty 
propertyName="zzLoop"><simple>${property.zzLoop}++</simple></setProperty>
    <setProperty 
propertyName="zzFtpFicNom"><simple>&lt;Fichier&gt;\n&lt;Nom&gt;${header.CamelFilename}&lt;/Nom&gt;\n</simple></setProperty>
    <setProperty 
propertyName="zzFtpFicDate"><simple>&lt;Date&gt;${header.CamelFileLastModified}&lt;/Date&gt;\n&lt;/Fichier&gt;</simple></setProperty>
    <setProperty 
propertyName="zzFtpDirList"><simple>${property.zzFtpDirList}${property.zzFtpFicNom}${property.zzFtpFicDate}\n</simple></setProperty>
    <log message="Loop:${property.zzLoop}, file:${header.CamelFileName}" />
  </loop>
  <log message="Outside loop" />  
  <setBody><simple>${property.zzFtpDirList}/n&lt;/DirList&gt;</simple></setBody>
  <convertBodyTo type="java.lang.String" charset="UTF-8" />  
  <log message="Body:/n${body}" />
  <log message="Ftp List Done" />
</route>

** trace Result for Camel 2.17.7 routes **
2022-04-13 11:57:32,478 | Entering Loop 2.17.7
2022-04-13 11:57:34,060 | After pollEnrich
2022-04-13 11:57:34,060 | CamelBatchSize: 3
2022-04-13 11:57:34,061 | Loop:1, file:C2202010 - Copie.psl
2022-04-13 11:57:34,062 | After pollEnrich
2022-04-13 11:57:34,062 | CamelBatchSize: 3
2022-04-13 11:57:34,062 | Loop:2, file:C2202010.psl
2022-04-13 11:57:34,062 | Apres le pollEnrich
2022-04-13 11:57:34,063 | CamelBatchSize: 3
2022-04-13 11:57:34,063 | Loop:3, file:C2202170.LOG
2022-04-13 11:57:34,070 | Outside loop
2022-04-13 11:57:34,082 | Body:
<DirList>
 <Fichier>
   <Nom>C2202010 - Copie.psl</Nom>
   <Date>1642715460000</Date>
 </Fichier>
 <Fichier>
   <Nom>C2202010.psl</Nom>
   <Date>1642715460000</Date>
 </Fichier>
 <Fichier>
   <Nom>C2202170.LOG</Nom>
   <Date>1644506040000</Date>
 </Fichier>
</DirList>
2022-04-13 11:57:34,082 | FTP List Done


After Converting a camel 3.14.2, the result is not as expected ????
Only first file in the FTP Directory is obtain ???

2)** Here is my route in CAMEL 3.14.2 in BLUEPRINT XML running in Karaf 4.3.3

<route id="rte.DESJ.FTPList">
  <description>Camel 3.14.2 FTPlist </description>
  <from uri="direct:desjFtpList" />
  <setProperty name="zzLoop"> <constant>0</constant></setProperty>
  <setProperty 
name="zzFtpDirList"><simple>&lt;DirList&gt;\n</simple></setProperty>
  <log message="Entering Loop 3.14.2" />
  <loop doWhile="true">
    <simple>${exchangeProperty.zzLoop} != ${header.CamelBatchSize} </simple>
       <pollEnrich timeout="10000" >
       
<simple>ftp://{{serveur.DATA}}/{{desjSHQGroupe}}{{desjSHQrepertoireCheque}}?username={{serveur.user}}&amp;password={{server.passwd}}&amp;exclude=(?i)noseqchq.(?i)txt&amp;download=false&amp;timeout=30000&amp;noop=true&amp;sendEmptyMessageWhenIdle=true&amp;disconnect=true&amp;idempotent=false</simple>
    </pollEnrich>
    <log message="After pollEnrich" />
    <log message="CamelBatchSize: ${header.CamelBatchSize} " />
    <setProperty 
name="zzLoop"><simple>${exchangeProperty.zzLoop}++</simple></setProperty>
    <setProperty 
name="zzFtpFicNom"><simple>&lt;Fichier&gt;\n&lt;Nom&gt;${header.CamelFilename}&lt;/Nom&gt;\n</simple></setProperty>
    <setProperty 
name="zzFtpFicDate"><simple>&lt;Date&gt;${header.CamelFileLastModified}&lt;/Date&gt;\n&lt;/Fichier&gt;</simple></setProperty>
    <setProperty 
name="zzFtpDirList"><simple>${exchangeProperty.zzFtpDirList}${exchangeProperty.zzFtpFicNom}${exchangeProperty.zzFtpFicDate}\n</simple></setProperty>
    <log message="Loop:${exchangeProperty.zzLoop}, 
file:${header.CamelFileName}" />
  </loop>
  <log message="Outside loop" />  
  
<setBody><simple>${exchangeProperty.zzFtpDirList}\n&lt;/DirList&gt;</simple></setBody>
  <convertBodyTo type="java.lang.String" charset="UTF-8" />  
  <log message="Body:/n${body}" />
  <log message="Ftp List Done" />
</route>


** trace Result for Camel 3.14.2 routes **
2022-04-13T13:33:39,340 | Entering Loop 3.14.2
2022-04-13T13:33:39,466 | After pollEnrich
2022-04-13T13:33:39,466 | CamelBatchSize: 1
2022-04-13T13:33:39,467 | Loop:1, file:C2202010 - Copie.psl
2022-04-13T13:33:39,467 | Outside loop
2022-04-13T13:33:39,467 | Body:
<DirList>
<Fichier>
<Nom>C2202010 - Copie.psl</Nom>
<Date>1642715460000</Date>
</Fichier>

</DirList>
2022-04-13T13:33:39,468 | Ftp List Done

As you may have noticed, only one file is read instead of the 3 files present 
in the Directory.
I've looked at this every which way, but I can't find what's wrong.
has the way of doing FTP or Enrich changed?


Someone can help !

Regards.


Daniel Langevin

Daniel Langevin
Direction de l'assistance et des technologies
Direction des ressources informationnelles et matérielles

FTP or pollEnrich not working well in Camel 3.14.2

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