I have got this [error]Could not create an instance of com.twitter.flockdb.integration.FlockFixRegressionSpec

[iamyuanlong]

who can help me ?
some like these:
==================================================
[info] == com.twitter.flockdb.integration.FlockFixRegressionSpec ==
[error] Could not create an instance of
com.twitter.flockdb.integration.FlockFixRegressionSpec
[error]
[error] null
[error]
[error]
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
[error]
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:
39)
[error]
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:
27)
[error] java.lang.reflect.Constructor.newInstance(Constructor.java:
513)
[error] org.specs.util.Classes$class.createInstanceFor(Classes.scala:
78)
[error]
org.specs.runner.TestInterfaceRunner.createInstanceFor(TestInterfaceRunner.scala:
48)
[error] org.specs.util.Classes$class.create(Classes.scala:38)
[error]
org.specs.runner.TestInterfaceRunner.create(TestInterfaceRunner.scala:
48)
[error]
org.specs.runner.TestInterfaceRunner.run(TestInterfaceRunner.scala:53)
[error] sbt.TestRunner.run(TestFramework.scala:52)
[error] sbt.TestRunner.runTest$1(TestFramework.scala:66)
[error] sbt.TestRunner.run(TestFramework.scala:75)
[error] sbt.TestFramework$$anonfun$9$$anonfun$apply$11.runTest
$2(TestFramework.scala:192)
[error] sbt.TestFramework$$anonfun$9$$anonfun$apply$11$$anonfun$apply
$12.apply(TestFramework.scala:203)
[error] sbt.TestFramework$$anonfun$9$$anonfun$apply$11$$anonfun$apply
$12.apply(TestFramework.scala:203)
[error] sbt.NamedTestTask.run(TestFramework.scala:91)
[error] sbt.ScalaProject$$anonfun$sbt$ScalaProject$$toTask
$1.apply(ScalaProject.scala:187)
[error] sbt.ScalaProject$$anonfun$sbt$ScalaProject$$toTask
$1.apply(ScalaProject.scala:187)
[error] sbt.TaskManager$Task.invoke(TaskManager.scala:62)
[error] sbt.impl.RunTask.doRun$1(RunTask.scala:77)
[error] sbt.impl.RunTask.runTask(RunTask.scala:85)
[error] sbt.impl.RunTask.sbt$impl$RunTask$
$runIfNotRoot(RunTask.scala:60)
[error] sbt.impl.RunTask$$anonfun$runTasksExceptRoot
$2.apply(RunTask.scala:48)
[error] sbt.impl.RunTask$$anonfun$runTasksExceptRoot
$2.apply(RunTask.scala:48)
[error] sbt.Distributor$Run$Worker$$anonfun
$2.apply(ParallelRunner.scala:131)
[error] sbt.Distributor$Run$Worker$$anonfun
$2.apply(ParallelRunner.scala:131)
[error] sbt.Control$.trapUnit(Control.scala:19)
[error] sbt.Distributor$Run$Worker.run(ParallelRunner.scala:131)
...
[error] Error running
com.twitter.flockdb.integration.SelectCompilerSpec: ERROR occurred
during testing.
[error] Error running
com.twitter.flockdb.integration.FlockFixRegressionSpec: ERROR occurred
during testing.
[error] Error running com.twitter.flockdb.integration.EdgesSpec: ERROR
occurred during testing.
[error] Error running <anonymous>: One or more subtasks failed
[error] Error running
com.twitter.flockdb.integration.IntersectionSpec: ERROR occurred
during testing.
[error] Error running
com.twitter.flockdb.integration.BlackHoleLockingRegressionSpec: ERROR
occurred during testing.
[error] Error running com.twitter.flockdb.unit.SqlShardSpec: ERROR
occurred during testing.
[error] Error running
com.twitter.flockdb.integration.OptimisticLockRegressionSpec: ERROR
occurred during testing.
[info]
[info] Total time: 428 s, completed Aug 17, 2011 6:03:05 AM
[info]
[info] Total session time: 470 s, completed Aug 17, 2011 6:03:05 AM
[error] Error during build.