z.load of breeze library failed

[Roman Zykov]

I wrote a simple test in Zeppelin

z.load("org.scalanlp:breeze_2.10:0.10",true) 

import breeze.stats.distributions.Beta

val sampleA = new Beta(10, 10).sample(1000)

but it failed with:

error: error while loading package, class file '/Users/rzykov/projects/zeppelin/zeppelin-server/target/lib/scala-library-2.10.4.jar(scala/reflect/package.class)' is broken (class java.lang.RuntimeException/Scala class file does not contain Scala annotation) error: error while loading package, class file '/Users/rzykov/projects/zeppelin/zeppelin-server/target/lib/scala-library-2.10.4.jar(scala/package.class)' is broken (class java.lang.RuntimeException/Scala class file does not contain Scala annotation) error: error while loading Predef, class file '/Users/rzykov/projects/zeppelin/zeppelin-server/target/lib/scala-library-2.10.4.jar(scala/Predef.class)' is broken (class java.lang.RuntimeException/Scala class file does not contain Scala annotation)

How to fix it?

[moon soo Lee]

Hi,

Unfortunately library loading is still experimental feature.

I'm expecting Zeppelin will get stabilize z.load() feature from spark 1.2 support. (though spark 1.2 support is not ready)

Currently, put library into the classpath is the only stable option.

Regards,

moon

[Roman Zykov]

I have downloaded from maven breeze and apache commons jars

and included them:
export ZEPPELIN_JAVA_OPTS="-Dspark.jars=./commons-math3-3.4.jar,./breeze_2.11-0.10.jar"

simple test line

val sampleA = new  breeze.stats.distributions.Beta(10, 10).sample(1000)

failed with this

Caused by: java.lang.ClassNotFoundException: org.apache.commons.math3.random.RandomGenerator

but this lib was included into path explicitly

[Roman Zykov]

I create another test

import org.apache.commons.math3.random.RandomDataGenerator

val a = (new RandomDataGenerator).nextLong(1,10)

output:

import org.apache.commons.math3.random.RandomDataGenerator a: Long = 9

[Roman Zykov]

Another update

I put these jars into the root of zeppelin project

then run ./bin/zeppelin.sh

test works!!!

but ZEPPELIN_JAVA_OPTS didn't  affect on this one