Issue is resolved. Was not casting to string when fetching from Map.
On Saturday, February 9, 2019, 3:09:48 PM PST, Krishnanand Khambadkone
<[email protected]> wrote:
Hi Kunal, I am trying to query spark application event json data. Here is
my query. I am using drill version 1.15.0. I am using a custom UDF in the
query.
select s.application_id, get_spark_attrs(s.spark_event,'spark.executor.memory')
as spark_attributes from dfs.`sparkapplicationevent.json` s where
(REGEXP_REPLACE(REGEXP_REPLACE(substr(s.spark_event,11), '[^0-9A-Za-z]"',
''),'(".*)','') = 'SparkListenerEnvironmentUpdate' or
REGEXP_REPLACE(REGEXP_REPLACE(substr(s.spark_event,11), '[^0-9A-Za-z]"',
''),'(".*)','') = 'SparkListenerApplicationStart' or
REGEXP_REPLACE(REGEXP_REPLACE(substr(s.spark_event,11), '[^0-9A-Za-z]"',
''),'(".*)','') = 'SparkListenerApplicationEnd') group by application_id,
spark_attributes order by application_id;
On Saturday, February 9, 2019, 1:42:57 PM PST, Kunal Khatua
<[email protected]> wrote:
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Hi Krishnanand
The mailing lists don't allow attachments. Please provide the Drill version,
query, data source and a link to where the relevant part of the log can be
downloaded.
The message by itself is not useful, especially without a stacktrace.
On 2/9/2019 11:39:49 AM, Krishnanand Khambadkone
<[email protected]> wrote:
Any idea why such an error would be thrown from custom UDF. I am using jackson
json parser in this UDF.
Error: SYSTEM ERROR: CompileException: Line 80, Column 24: Assignment
conversion not possible from type "java.lang.Object" to type "java.lang.String"
Fragment 0:0
Please, refer to logs for more information.
