Description of problem:
Build of spacewalk-java-0.3.3-1 falied.
https://brewweb.devel.redhat.com/taskinfo?taskID=1531558
https://brewweb.devel.redhat.com/getfile?taskID=1531558&name=build.log


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. brew build --nowait spacewalk-5E-0.3-candidate spacewalk-java-0.3.3-1.el5.sw.src.rpm
2. or brew build --nowait satellite-5E-5.3-candidate spacewalk-java-0.3.3-1.el5.src.rpm

  
Actual results:
Executing(%install): /bin/sh -e /var/tmp/rpm-tmp.81595
+ umask 022
+ cd /builddir/build/BUILD
+ cd spacewalk-java-0.3.3
+ LANG=C
+ export LANG
+ unset DISPLAY
+ rm -rf /var/tmp/spacewalk-java-0.3.3-1.el4-root-brewbuilder
+ ant -Dprefix=/var/tmp/spacewalk-java-0.3.3-1.el4-root-brewbuilder install
Buildfile: build.xml

set-default-config-dir:

init-install:

boot-deps:

init-ivy:

resolve-ivy:

resolve-local:
    [mkdir] Created dir: /builddir/build/BUILD/spacewalk-java-0.3.3/build/build-lib
    [mkdir] Created dir: /builddir/build/BUILD/spacewalk-java-0.3.3/build/test-lib
    [mkdir] Created dir: /builddir/build/BUILD/spacewalk-java-0.3.3/build/run-lib/external
     [exec] /usr/bin/build-jar-repository: error: Could not find stringtree-json Java extension for this JVM
     [exec] /usr/bin/build-jar-repository: error: Some specified jars were not found for this jvm

BUILD FAILED
/builddir/build/BUILD/spacewalk-java-0.3.3/build.xml:936: The following error occurred while executing this line:
/builddir/build/BUILD/spacewalk-java-0.3.3/buildconf/build-utils.xml:12: exec returned: 7


Expected results:
package build

Additional info: