| Issue 3: | NullPointerException with YouTube example mentioned in UserGuide | |
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What steps will reproduce the problem?
1. Follow UserGuide to execute:
import com.google.gdata.youtube._
val s = new YouTubeService("learning-1.0")
for (e <- s.getVideos(YouTubeQuery.empty / "Comedy")) println(e.rating)
2. Get a NullPointerException (with stack trace):
java.lang.NullPointerException
at com.google.gdata.youtube.VideoEntries$$anonfun$videoEntryExtra$1$$anonfun$apply$19$$anonfun$apply$20.apply(VideoEntries.scala:153)
at com.google.gdata.youtube.VideoEntries$$anonfun$videoEntryExtra$1$$anonfun$apply$19$$anonfun$apply$20.apply(VideoEntries.scala:153)
at com.google.xml.combinators.Picklers$$anon$5.unpickle(Picklers.scala:437)
at com.google.xml.combinators.Picklers$$anon$9.unpickle(Picklers.scala:361)
at com.google.xml.combinators.Picklers$$anon$10.unpickle(Picklers.scala:392)
at com.google.xml.combinators.Picklers$$anon$9.unpickle(Picklers.scala:361)
at com.google.xml.combinators.Picklers$$anon$15.unpickle(Picklers.scala:509)
at com.google.xml.combinators.Picklers$$anon$9.unpickle(Picklers.scala:359)
at com.google.xml.combinators.Picklers$$anon$15.unpickle(Picklers.scala:509)
at com.google.xml.combinators.Picklers$$anon$11.unpickle(Picklers.scala:403)
at com.google.xml.combinators.Picklers$$anon$8.unpickle(Picklers.scala:343)
at com.google.xml.combinators.Picklers$$anon$13.unpickle(Picklers.scala:448)
at com.google.xml.combinators.Picklers$$anon$9.unpickle(Picklers.scala:361)
at com.google.xml.combinators.Picklers$$anon$10.unpickle(Picklers.scala:392)
at com.google.xml.combinators.Picklers$$anon$15.unpickle(Picklers.scala:509)
at com.google.xml.combinators.Picklers$$anon$9.unpickle(Picklers.scala:359)
at com.google.xml.combinators.Picklers$$anon$15.unpickle(Picklers.scala:509)
at com.google.xml.combinators.Picklers$$anon$11.unpickle(Picklers.scala:403)
at com.google.xml.combinators.Picklers$$anon$8.unpickle(Picklers.scala:343)
at com.google.gdata.client.GDataRequest.unpickle(GDataRequest.scala:131)
at com.google.gdata.Service.query(Service.scala:109)
at com.google.gdata.Service.query(Service.scala:96)
at com.google.gdata.youtube.YouTubeService.getVideos(YouTubeService.scala:70)
at .<init>(<console>:12)
at .<clinit>(<console>)
at .<init>(<console>:11)
at .<clinit>(<console>)
at $export(<console>)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at scala.tools.nsc.interpreter.IMain$ReadEvalPrint.call(IMain.scala:592)
at scala.tools.nsc.interpreter.IMain$Request$$anonfun$10.apply(IMain.scala:828)
at scala.tools.nsc.interpreter.Line$$anonfun$1.apply$mcV$sp(Line.scala:43)
at scala.tools.nsc.io.package$$anon$2.run(package.scala:31)
at java.lang.Thread.run(Thread.java:680)
What is the expected output? What do you see instead?
Something like what is mentioned in the UserGuide
What version of the product are you using? On what operating system?
MacOSX 10.6.7 / Scala 2.9.0.RC2 / Java HotSpot(TM) 64-Bit Server VM, Java 1.6.0_24
Please provide any additional information below.
I am a complete Scala noob. I will be investigating this issue independently (and hopefully provide meaningful feedback), but kindly also take a look.
Jul 5, 2011
Project Member
#1
jagua...@gmail.com
Status:
Fixed
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