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From Jason Altekruse <altekruseja...@gmail.com>
Subject Re: Classpath scanning & udfs
Date Mon, 11 Jan 2016 17:59:28 GMT

The error message you are seeing is in reading a storage plugin
configuration file. I am planning to fix these kinds of messages to
actually direct users at the file that is failing parsing. I have seen this
in the past when the classpath was incorrect and one of the plugins (like
Hbase) was not included.

Julien can confirm, but I think this might be intentional to have the paths
read out of the modules configuration rather than the global one to save
time when scanning the path (rather than scanning all of the jars for all
paths given in the override file).

On Fri, Jan 8, 2016 at 4:32 PM, rahul challapalli <
challapallirahul@gmail.com> wrote:

> Before 1.2, my udfs project contained an empty drill-override.conf file and
> I used to update the drill-override.conf on all the drillbits to specify
> the package of my UDF. This is no longer working for me. I tried a few
> things and below is how my drill-override.conf file looks now
> drill.classpath.scanning.packages : ${?drill.classpath.scanning.packages} [
> org.apache.drill.udfs ]
> drill.exec: {
>   cluster-id: "rahul_cluster_com-drillbits",
>   zk.connect: "localhost:5181"
> }
> When I restart the drillbits, I get this strange error " Caused by:
> com.fasterxml.jackson.databind.JsonMappingException: Could not resolve type
> id 'hbase' into a subtype of [simple type, class
> org.apache.drill.common.logical.StoragePluginConfig]"
> If I moved the package information to the drill-module.conf in my udf's
> project, then things are working fine. However this requires re-compiling
> the udfs which is not desirable. Is there any other way around this ?
> - Rahul

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