buildr: rake spec --trace

spec.log

Compiling Java libraries ...
(in /home/jp/src/open_source/buildr, development)
** Invoke buildr (first_time)
** Invoke buildr:java (first_time)
** Invoke buildr:scala (first_time)
** Invoke buildr:extra (first_time)
** Invoke buildr:java 
** Invoke buildr:scala 
** Invoke buildr:extra 
** Invoke buildr 
** Invoke buildr:java 
** Invoke buildr:scala 
** Invoke buildr:extra 
** Invoke compile (first_time)
Compiling buildr
** Invoke buildr:compile (first_time, not_needed)
** Invoke buildr:resources (first_time)
** Invoke buildr:java:compile (first_time, not_needed)
** Invoke buildr:java:resources (first_time)
** Invoke lib/buildr/java/org/apache/buildr/JavaTestFilter.java (first_time, not_needed)
Compile needed because source file /home/jp/src/open_source/buildr/lib/buildr/scala/org/apache/buildr/Specs2Runner.java has no corresponding lib/buildr/scala/org/apache/buildr/Specs2Runner.class
** Invoke buildr:scala:compile (first_time)
** Invoke buildr:scala:resources (first_time)
** Invoke lib/buildr/scala/org/apache/buildr/Specs2Runner.java (first_time, not_needed)
** Invoke lib/buildr/scala/org/apache/buildr/SpecsSingletonRunner.java (first_time, not_needed)
Compile needed because source file /home/jp/src/open_source/buildr/lib/buildr/scala/org/apache/buildr/Specs2Runner.java has no corresponding lib/buildr/scala/org/apache/buildr/Specs2Runner.class
Compiling buildr:scala into lib/buildr/scala
javac -classpath /opt/jdk7/lib/tools.jar -d /home/jp/src/open_source/buildr/lib/buildr/scala -nowarn -source 1.5 -target 1.5 /home/jp/src/open_source/buildr/lib/buildr/scala/org/apache/buildr/Specs2Runner.java /home/jp/src/open_source/buildr/lib/buildr/scala/org/apache/buildr/SpecsSingletonRunner.java
** Invoke /home/jp/.m2/repository/org/apache/ant/ant/1.8.3/ant-1.8.3.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/apache/ant/ant-launcher/1.8.3/ant-launcher-1.8.3.jar (first_time, not_needed)
** Invoke /home/jp/src/open_source/buildr/lib/buildr/java (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/mortbay/jetty/jetty/6.1.3/jetty-6.1.3.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/mortbay/jetty/jetty-util/6.1.3/jetty-util-6.1.3.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/mortbay/jetty/servlet-api-2.5/6.1.3/servlet-api-2.5-6.1.3.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/slf4j/slf4j-api/1.4.3/slf4j-api-1.4.3.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/slf4j/slf4j-simple/1.4.3/slf4j-simple-1.4.3.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/slf4j/jcl104-over-slf4j/1.4.3/jcl104-over-slf4j-1.4.3.jar (first_time, not_needed)
** Invoke /home/jp/src/open_source/buildr/addon/buildr (first_time, not_needed)
** Invoke /opt/scala/lib/scala-library.jar (first_time, not_needed)
** Invoke /opt/scala/lib/scala-compiler.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/scala-lang/scala-library/2.9.2/scala-library-2.9.2.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/scala-lang/scala-compiler/2.9.2/scala-compiler-2.9.2.jar (first_time, not_needed)
** Invoke /home/jp/.m2/repository/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar (first_time)
Downloading org.scala-lang:scala-reflect:jar:2.9.2
Downloading org.scala-lang:scala-reflect:jar:2.9.2
Requesting http://oss.sonatype.org/content/repositories/releases/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar
Redirected to https://oss.sonatype.org/content/repositories/releases/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar
Requesting https://oss.sonatype.org/content/repositories/releases/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar
Requesting https://oss.sonatype.org/content/groups/scala-tools/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar
Requesting http://repo1.maven.org/maven2/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar
Requesting https://oss.sonatype.org/content/groups/scala-tools/org/scala-lang/scala-reflect/2.9.2/scala-reflect-2.9.2.jar
Exception while invoking prerequisites of task <Buildr::CompileTask buildr:compile => [buildr:resources, buildr:java:compile, buildr:scala:compile, buildr:extra:compile]>