Thanks.

On Thu, Aug 7, 2014 at 1:54 PM, Chris Riccomini <
[email protected]> wrote:

> Hey Telles,
>
> This is definitely a serde error. It sounds like your message is not
> properly formatted as a JSON blob.
>
> If you are trying to just use a string as the message (vs. a well
> formatted JSON blob), then you should use the StringSerde.
>
> Cheers,
> Chris
>
> On 8/7/14 8:05 AM, "Telles Nobrega" <[email protected]> wrote:
>
> >Hi, I'm running a simple samza topology that reads from  a kafka topic
> >that
> >only has two Strings
> >xx:xx:xx:xxxx;xx
> >And its throwing an error
> >
> >Caught exception in process loop.
> >org.codehaus.jackson.JsonParseException: Unexpected character ('F' (code
> >70)): expected a valid value (number, String, array, object, 'true',
> >'false' or 'null')
> > at [Source: [B@56dfb465; line: 1, column: 2]
> >at org.codehaus.jackson.JsonParser._constructError(JsonParser.java:1291)
> > at
> >org.codehaus.jackson.impl.JsonParserMinimalBase._reportError(JsonParserMin
> >imalBase.java:385)
> >at
> >org.codehaus.jackson.impl.JsonParserMinimalBase._reportUnexpectedChar(Json
> >ParserMinimalBase.java:306)
> > at
> >org.codehaus.jackson.impl.Utf8StreamParser._handleUnexpectedValue(Utf8Stre
> >amParser.java:1581)
> >at
> >org.codehaus.jackson.impl.Utf8StreamParser._nextTokenNotInObject(Utf8Strea
> >mParser.java:436)
> > at
> >org.codehaus.jackson.impl.Utf8StreamParser.nextToken(Utf8StreamParser.java
> >:322)
> >at
> >org.codehaus.jackson.map.ObjectMapper._initForReading(ObjectMapper.java:24
> >32)
> > at
> >org.codehaus.jackson.map.ObjectMapper._readMapAndClose(ObjectMapper.java:2
> >389)
> >at org.codehaus.jackson.map.ObjectMapper.readValue(ObjectMapper.java:1667)
> > at org.apache.samza.serializers.JsonSerde.fromBytes(JsonSerde.scala:33)
> >at
> >org.apache.samza.serializers.SerdeManager.fromBytes(SerdeManager.scala:115
> >)
> > at
> >org.apache.samza.system.SystemConsumers$$anonfun$org$apache$samza$system$S
> >ystemConsumers$$poll$5.apply(SystemConsumers.scala:245)
> > at
> >org.apache.samza.system.SystemConsumers$$anonfun$org$apache$samza$system$S
> >ystemConsumers$$poll$5.apply(SystemConsumers.scala:242)
> >at scala.collection.Iterator$class.foreach(Iterator.scala:727)
> > at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
> >at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
> > at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
> >at org.apache.samza.system.SystemConsumers.org
> >$apache$samza$system$SystemConsumers$$poll(SystemConsumers.scala:242)
> > at
> >org.apache.samza.system.SystemConsumers$$anon$1$$anonfun$call$2.apply(Syst
> >emConsumers.scala:180)
> >at
> >org.apache.samza.system.SystemConsumers$$anon$1$$anonfun$call$2.apply(Syst
> >emConsumers.scala:180)
> > at
> >scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scal
> >a:244)
> >at
> >scala.collection.TraversableLike$$anonfun$map$1.apply(TraversableLike.scal
> >a:244)
> > at scala.collection.Iterator$class.foreach(Iterator.scala:727)
> >at scala.collection.AbstractIterator.foreach(Iterator.scala:1157)
> > at scala.collection.MapLike$DefaultKeySet.foreach(MapLike.scala:174)
> >at scala.collection.TraversableLike$class.map(TraversableLike.scala:244)
> > at
> >scala.collection.AbstractSet.scala$collection$SetLike$$super$map(Set.scala
> >:47)
> >at scala.collection.SetLike$class.map(SetLike.scala:93)
> > at scala.collection.AbstractSet.map(Set.scala:47)
> >at
> >org.apache.samza.system.SystemConsumers$$anon$1.call(SystemConsumers.scala
> >:180)
> > at
> >org.apache.samza.util.DoublingBackOff.maybeCall(DoublingBackOff.scala:44)
> >at
> >org.apache.samza.system.SystemConsumers.choose(SystemConsumers.scala:208)
> > at org.apache.samza.container.RunLoop.process(RunLoop.scala:73)
> >at org.apache.samza.container.RunLoop.run(RunLoop.scala:57)
> > at
> >org.apache.samza.container.SamzaContainer.run(SamzaContainer.scala:504)
> >at
> >org.apache.samza.container.SamzaContainer$.main(SamzaContainer.scala:81)
> > at org.apache.samza.container.SamzaContainer.main(SamzaContainer.scala)
> >
> >
> >
> >​Has anyone experienced this error before?​
> >
> >--
> >------------------------------------------
> >Telles Mota Vidal Nobrega
> >M.sc. Candidate at UFCG
> >B.sc. in Computer Science at UFCG
> >Software Engineer at OpenStack Project - HP/LSD-UFCG
>
>


-- 
------------------------------------------
Telles Mota Vidal Nobrega
M.sc. Candidate at UFCG
B.sc. in Computer Science at UFCG
Software Engineer at OpenStack Project - HP/LSD-UFCG

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