Gradle hangs during test suite start (1.7-rc2)

Hi,

we got a test that wasn’t modified for a long time and now suddenly is starting to hang from time to time (not on my machine, only on CI builds). We are using 1.7-rc2. The thread dumps are at http://pastebin.com/KXsaTaFq

The last info I got is

starting suite null : Test Run resulting from the listener below.

testTask.beforeSuite { descr ->

logger.warn(" starting suite ${descr.className} : ${descr.name}")

}

testTask.afterSuite { descr ->

logger.warn(" finished suite ${descr.className} : ${descr.name}")

}

testTask.beforeTest { descr ->

logger.warn(" starting test ${descr.className} : ${descr.name}")

}

testTask.afterTest { descr ->

logger.warn(" finished test ${descr.className} : ${descr.name}")

}