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https://issues.apache.org/activemq/browse/CAMEL-636?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=43701#action_43701
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Claus Ibsen commented on CAMEL-636:
-----------------------------------

Just for the record. WebSphere is able to load classes from WEB-INF/classes, 
but not from jars in WEB-INF/lib.

If extracting camel-core into WEB-INF/classes then the annotated converters can 
be loaded:
{code}
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: URLs loaded: 
[EMAIL PROTECTED]
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Trying URL: 
file:/C:/was61/profiles/AppSrv01/installedApps/claus-acerNode01Cell/camel-example-helloworld-1_0fixed_war.ear/camel-example-helloworld-1.0fixed.war/WEB-INF/classes/org/apache/camel/converter/
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Scanning for 
classes in 
[/C:/was61/profiles/AppSrv01/installedApps/claus-acerNode01Cell/camel-example-helloworld-1_0fixed_war.ear/camel-example-helloworld-1.0fixed.war/WEB-INF/classes/org/apache/camel/converter/]
 matching criteria: annotated with @Converter
[06-25 14:58:58] DEBUG ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Loading from 
directory: 
C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\classes\org\apache\camel\converter
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Testing for 
class org.apache.camel.converter.CamelConverter$1 matches criteria [annotated 
with @Converter]
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Testing for 
class org.apache.camel.converter.CamelConverter$2 matches criteria [annotated 
with @Converter]
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Testing for 
class org.apache.camel.converter.CamelConverter matches criteria [annotated 
with @Converter]
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Found class: 
class org.apache.camel.converter.CamelConverter in classloader: 
[EMAIL PROTECTED]
   Local ClassPath: 
C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\classes;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\activation-1.1.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\aopalliance-1.0.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\camel-core-1.4-SNAPSHOT.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\camel-spring-1.4-SNAPSHOT.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\commons-logging-1.1.1.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\commons-logging-api-1.1.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\jaxb-api-2.1.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\jaxb-impl-2.1.6.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\log4j-1.2.14.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\org.osgi.core-1.0.1.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\spring-aop-2.5.4.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\spring-beans-2.5.4.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\spring-context-2.5.4.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\spring-core-2.5.4.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\spring-tx-2.5.4.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\spring-web-2.5.4.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war\WEB-INF\lib\stax-api-1.0-2.jar;C:\was61\profiles\AppSrv01\installedApps\claus-acerNode01Cell\camel-example-helloworld-1_0fixed_war.ear\camel-example-helloworld-1.0fixed.war
   Delegation Mode: PARENT_FIRST
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Testing for 
class org.apache.camel.converter.CollectionConverter matches criteria 
[annotated with @Converter]
[06-25 14:58:58] TRACE ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Found class: 
class org.apache.camel.converter.CollectionConverter in classloader: 
[EMAIL PROTECTED]
{code}

> ResolverUtil can't resolve converter annotations in WebSphere 6.1
> -----------------------------------------------------------------
>
>                 Key: CAMEL-636
>                 URL: https://issues.apache.org/activemq/browse/CAMEL-636
>             Project: Apache Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 1.4.0
>         Environment: WebSphere 6.1.0.0 on Windows
>            Reporter: Claus Ibsen
>            Assignee: Claus Ibsen
>             Fix For: 1.4.0
>
>
> I have a simple hello world file based ESB that scans a folder for files, 
> invoke a POJO and store the output as a file in another folder.
> Deployed as a WAR file in WebSphere it seems as if Camel 1.4-SNAPSHOT can not 
> load the converters needed to converter to String to InputStream for the 
> FileProducer when it is about to store the file.
> The logging output where the ResolverUtil can't find the annotated converters 
> in camel jar itself
> {code}
> [06-25 13:31:23] DEBUG ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Searching 
> for annotations of org.apache.camel.Converter in packages: 
> [org.apache.camel.spring.converter, org.apache.camel.converter]
> [06-25 13:31:23] DEBUG ResolverUtil [Thread: 1 [EMAIL PROTECTED]: Found: []
> {code}
> And the stacktrace:
> {code}
> org.apache.camel.InvalidPayloadException: No in body available of type: 
> java.io.InputStream but has value: This is important work
> \temp\camel\in\README.txt
> Done by me. of type: java.lang.String on: Message: This is important work
> \temp\camel\in\README.txt
> Done by me. on the exchange: Exchange[Message: This is important work
> \temp\camel\in\README.txt
> Done by me.]
>       at 
> org.apache.camel.util.ExchangeHelper.getMandatoryInBody(ExchangeHelper.java:127)
>       at 
> org.apache.camel.component.file.FileProducer.process(FileProducer.java:67)
>       at 
> org.apache.camel.component.file.FileProducer.process(FileProducer.java:55)
>       at 
> org.apache.camel.impl.converter.AsyncProcessorTypeConverter$ProcessorToAsyncProcessorBridge.process(AsyncProcessorTypeConverter.java:43)
>       at 
> org.apache.camel.processor.SendProcessor.process(SendProcessor.java:75)
>       at 
> org.apache.camel.management.InstrumentationProcessor.process(InstrumentationProcessor.java:57)
>       at 
> org.apache.camel.processor.DeadLetterChannel.process(DeadLetterChannel.java:146)
> {code}

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