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From Claus Ibsen <claus.ib...@gmail.com>
Subject Re: LevelDB and Serializable Bug
Date Tue, 09 Feb 2016 14:16:55 GMT
Only the body can be binary objects / headers cannot.

On Tue, Feb 9, 2016 at 3:14 PM, Hubertus.Willuhn
<hubertus.willuhn@dinsoftware.de> wrote:
> Hi,
>
> i am using the LevelDB repository of Camel to store exchange while
> aggregating.
>
> Every exchange contains a simple POJO in the header that serves as
> aggregation predicate.
>
> But Camel don't wont to serialize my class because:
>
> WARN  org.apache.camel.impl.DefaultExchangeHolder -- Exchange in headers
> containing key: RECID with object: CEN-PRJ-22 of type: com.domain.ID is not
> valid header type, it will be excluded by the holder.
>
> I look into the DefaultExchangeHolder and this function seems to be the
> problem:
>
> protected static Object getValidHeaderValue(String headerName, Object
> headerValue) {
>
> Why does this class do a check with the default java types?
> In the official documentation of LevelDB (
> http://camel.apache.org/leveldb.html <http://camel.apache.org/leveldb.html>
> ) you can read:
>
> LevelDBAggregationRepository will only preserve any Serializable compatible
> data types. If a data type is not such a type its dropped and a WARN is
> logged. And it only persists the Message body and the Message headers. The
> Exchange properties are not persisted.
>
> So my class got the signature:
>
> public class ID implements Cloneable, Serializable {
>
> and only 3 properties:
>
>         private final String org;
>         private final String type;
>         private String key;
>
> So it should be possible to store/restore this as header field?
> Did i miss something here?
>
> Thanks in advance.
>
> Best regards,
>
> Hubertus Willuhn
>
>
>
> --
> View this message in context: http://camel.465427.n5.nabble.com/LevelDB-and-Serializable-Bug-tp5777469.html
> Sent from the Camel - Users mailing list archive at Nabble.com.



-- 
Claus Ibsen
-----------------
http://davsclaus.com @davsclaus
Camel in Action 2: https://www.manning.com/ibsen2

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