On Thu, May 7, 2015 at 10:18 AM, Iulian Dragoș <iulian.dra...@typesafe.com> wrote:
> Got it! > > I'll open a Jira ticket and PR when I have a working solution. > Scratch that, I found SPARK-5281 <https://issues.apache.org/jira/browse/SPARK-5281>.. > > On Wed, May 6, 2015 at 11:53 PM, Michael Armbrust <mich...@databricks.com> > wrote: > >> Hi Iulian, >> >> The relevant code is in ScalaReflection >> <https://github.com/apache/spark/blob/master/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/ScalaReflection.scala>, >> and it would be awesome if you could suggest how to fix this more >> generally. Specifically, this code is also broken when running from SBT: >> >> >> $ build/sbt hive/console >> scala> import implicits._ >> import implicits._ >> >> scala> Seq((1,2)).toDF("a", "b") >> scala.reflect.internal.MissingRequirementError: class >> org.apache.spark.sql.catalyst.ScalaReflection in JavaMirror with >> java.net.URLClassLoader@752d2e33 of type class java.net.URLClassLoader >> with classpath >> [file:/root/.sbt/boot/scala-2.10.4/lib/jline.jar,file:/root/.sbt/boot/scala-2.10.4/lib/scala-library.jar,file:/root/.sbt/boot/scala-2.10.4/lib/scala-compiler.jar,file:/root/.sbt/boot/scala-2.10.4/lib/jansi.jar,file:/root/.sbt/boot/scala-2.10.4/lib/scala-reflect.jar] >> and parent being xsbt.boot.BootFilteredLoader@625e4591 of type class >> xsbt.boot.BootFilteredLoader with classpath [<unknown>] and parent being >> sun.misc.Launcher$AppClassLoader@1a8c064 of type class >> sun.misc.Launcher$AppClassLoader with classpath >> [file:/root/spark/build/sbt-launch-0.13.7.jar] and parent being >> sun.misc.Launcher$ExtClassLoader@6deee615 of type class >> sun.misc.Launcher$ExtClassLoader with classpath >> [file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/sunjce_provider.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/ >> nsns.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/java-atk-wrapper.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/sunpkcs11.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/zipfs.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/localedata.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/icedtea-sound.jar,file:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/ext/libatk-wrapper.so] >> and parent being primordial classloader with boot classpath >> [/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/resources.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/rt.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/sunrsasign.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/jsse.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/jce.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/charsets.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/rhino.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/lib/jfr.jar:/usr/lib/jvm/java-7-openjdk-amd64/jre/classes] >> not found. >> >> Michael >> >> On Wed, May 6, 2015 at 2:12 AM, Iulian Dragoș <iulian.dra...@typesafe.com >> > wrote: >> >>> Hi, I just saw this question. I posted my solution to this stack >>> overflow question. >>> <https://stackoverflow.com/questions/29796928/whats-the-most-efficient-way-to-filter-a-dataframe> >>> >>> Scala reflection can take a classloader when creating a mirror ( >>> universe.runtimeMirror(loader)). I can have a look, but I didn’t find >>> much about mirrors in spark-sql. >>> >>> iulian >>> >>> >> >> > > > -- > > -- > Iulian Dragos > > ------ > Reactive Apps on the JVM > www.typesafe.com > > -- -- Iulian Dragos ------ Reactive Apps on the JVM www.typesafe.com
