Hmm, this did not seem to resolve the issue. I also tried adding a
relocation for jackson as well.

On Tue, Jan 26, 2016 at 10:09 AM, Ted Yu <yuzhih...@gmail.com> wrote:

> I wonder if the following change would solve the problem you described (by
> shading jackson.core):
>
> diff --git a/pom.xml b/pom.xml
> index fb77506..32a3237 100644
> --- a/pom.xml
> +++ b/pom.xml
> @@ -2177,6 +2177,7 @@
>                <include>org.eclipse.jetty:jetty-util</include>
>                <include>org.eclipse.jetty:jetty-server</include>
>                <include>com.google.guava:guava</include>
> +              <include>com.fasterxml.jackson.core</include>
>              </includes>
>            </artifactSet>
>            <relocations>
>
> Cheers
>
> On Tue, Jan 26, 2016 at 9:34 AM, asdf zxcv <benjamin.ha...@gmail.com>
> wrote:
>
>> Hi all,
>>
>> I'm trying to run MaxMind GeoIP2 in a Spark task, but get a runtime error
>> at init due to a NoSuchMethodError for ArrayNode from 
>> com.fasterxml.jackson.core:jackson-databind.
>> This succeeds locally in unit tests, but fails in Spark tasks.
>>
>> I've excluded jackson-databind from all other dependencies, including
>> Spark, since MaxMind is using the latest version of jackson-databind
>> (2.7.0).
>>
>> `mvn dependency:tree` shows no conflicts for jackson-databind. There are
>> numerous conflicts with other jackson utilities from org.codehaus, but this
>> shouldn't be a problem since it is in a different namespace, right?
>>
>> I think this may be a problem with the shaded jar produced by
>> maven-shade-plugin 2.4. Here is the config from pom.xml:
>> pastebin.com/QzrhM5Ee
>>
>> `jar tvf shaded.jar` yields an entry for the missing class, 
>> com/fasterxml/jackson/databind/node/ArrayNode.class.
>> META-INF/maven/com.fasterxml.jackson.core/jackson-databind/pom.xml has
>> the correct version, 2.7.0. The shaded jar expanded jackson-databind into
>> its constituent *.class files instead of providing the jar itself; is this
>> normal?
>>
>> My other thought is there is some issue with the classpath. Is it
>> sufficient that the shaded jar contains the jackson-databind *.class files?
>> How else can I investigate this? I know that GeoIP databse init succeeds
>> locally with the jackson-databind jar in ~/.m2/
>>
>> I've seen numerous issues with jackson-databind due to Spark using an old
>> version and not shading this particular dependency, but this seems to have
>> been resolved. I'm currently using version 1.3.1 and get the same result
>> bumping the version to 1.6.0
>>
>> More detail here:
>> https://stackoverflow.com/questions/34958520/nosuchmethodexception-in-maxmind-geoip-dependency-jackson-databind-built-with-mv
>>
>>
>> Thanks,
>>
>> Ben
>>
>
>

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