Ah, cool. Thanks.

On Wed, Jul 15, 2015 at 5:58 PM, Tathagata Das <t...@databricks.com> wrote:

> Spark 1.4.1 just got released! So just download that. Yay for timing.
>
> On Wed, Jul 15, 2015 at 2:47 PM, Ted Yu <yuzhih...@gmail.com> wrote:
>
>> Should be this one:
>>     [SPARK-7180] [SPARK-8090] [SPARK-8091] Fix a number of
>> SerializationDebugger bugs and limitations
>> ...
>>     Closes #6625 from tdas/SPARK-7180 and squashes the following commits:
>>
>> On Wed, Jul 15, 2015 at 2:37 PM, Chen Song <chen.song...@gmail.com>
>> wrote:
>>
>>> Thanks
>>>
>>> Can you point me to the patch to fix the serialization stack? Maybe I
>>> can pull it in and rerun my job.
>>>
>>> Chen
>>>
>>> On Wed, Jul 15, 2015 at 4:40 PM, Tathagata Das <t...@databricks.com>
>>> wrote:
>>>
>>>> Your streaming job may have been seemingly running ok, but the DStream
>>>> checkpointing must have been failing in the background. It would have been
>>>> visible in the log4j logs. In 1.4.0, we enabled fast-failure for that so
>>>> that checkpointing failures dont get hidden in the background.
>>>>
>>>> The fact that the serialization stack is not being shown correctly, is
>>>> a known bug in Spark 1.4.0, but is fixed in 1.4.1 about to come out in the
>>>> next couple of days. That should help you to narrow down the culprit
>>>> preventing serialization.
>>>>
>>>> On Wed, Jul 15, 2015 at 1:12 PM, Ted Yu <yuzhih...@gmail.com> wrote:
>>>>
>>>>> Can you show us your function(s) ?
>>>>>
>>>>> Thanks
>>>>>
>>>>> On Wed, Jul 15, 2015 at 12:46 PM, Chen Song <chen.song...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> The streaming job has been running ok in 1.2 and 1.3. After I
>>>>>> upgraded to 1.4, I started seeing error as below. It appears that it 
>>>>>> fails
>>>>>> in validate method in StreamingContext. Is there anything changed on 
>>>>>> 1.4.0
>>>>>> w.r.t DStream checkpointint?
>>>>>>
>>>>>> Detailed error from driver:
>>>>>>
>>>>>> 15/07/15 18:00:39 ERROR yarn.ApplicationMaster: User class threw
>>>>>> exception: *java.io.NotSerializableException: DStream checkpointing
>>>>>> has been enabled but the DStreams with their functions are not 
>>>>>> serializable*
>>>>>> Serialization stack:
>>>>>>
>>>>>> java.io.NotSerializableException: DStream checkpointing has been
>>>>>> enabled but the DStreams with their functions are not serializable
>>>>>> Serialization stack:
>>>>>>
>>>>>> at
>>>>>> org.apache.spark.streaming.StreamingContext.validate(StreamingContext.scala:550)
>>>>>> at
>>>>>> org.apache.spark.streaming.StreamingContext.liftedTree1$1(StreamingContext.scala:587)
>>>>>> at
>>>>>> org.apache.spark.streaming.StreamingContext.start(StreamingContext.scala:586)
>>>>>>
>>>>>> --
>>>>>> Chen Song
>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Chen Song
>>>
>>>
>>
>


-- 
Chen Song

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