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
>
