Hi Willem,

threadlocal does the trick... 

Thank you all for helping...
best wishes,
martin


willem.jiang wrote:
> 
> Hi,
> 
> Is your MidBuffer2CanonicXML a thread safe object?
> If so you can change your process method to be static.
> If not, you can try to cache the object as thread local object.
> 
> Willem
> 
> waterback wrote:
>> Thanx for helping...
>> 
>> Well i put here my Converter's code... As you can see i had the
>> "Transformer" as 
>> an instance variable, but there go the concurrency issues....
>> Right now i've commented it and make an instance every time right before
>> transformation.
>> This MidBuffer2CanonicXML-Class is the heavyweight one...
>> 
>> i have read in documentation of the type converters that they get cached
>> when defined not static...
>> But can i influence camel to use a new cached instance when a new
>> exchange
>> gets worked at?
>> 
>> @Converter
>> public class ObjectNet2Document {
>> 
>> //   protected Transformer<MidBufferHeader, Document> transformer = 
>>                                                                              
>>    
>> new MidBuffer2CanonicXML();       
>>      @Converter
>>      public Document process(byte[] raw) throws Exception {
>>              
>>              int rawSize = raw.length;
>>              MidBufferHeader mbh = new MidBufferHeader(raw, 0, rawSize);
>>              Transformer<MidBufferHeader, Document> transformer = new
>> MidBuffer2CanonicXML();  
>>              Document document = transformer.transform(mbh); 
>>              return document;
>>      }
>> 
>> }
>> 
>> Martin
>> 
>> 
>> willem.jiang wrote:
>>> How did you user the TypeConverter?
>>> If you can cache the CamelContext, I think you will create a new 
>>> TypeConverter each time.
>>> BTW,
>>>   With the recent change of CAMEL-2392[1], CamelContext will load the 
>>> TypeConverter when the CamelContext is started.
>>>
>>> [1] https://issues.apache.org/activemq/browse/CAMEL-2392
>>>
>>> Willem
>>>
>> 
> 
> 
> 

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