This is the interesting part

[b2] [INFO] [06/08/2012 14:54:42.333] [main] [Node(akka://JoinTwoClustersSpec)] Cluster Node [akka://JoinTwoClustersSpec@b2] - Trying to send JOIN to [akka://JoinTwoClustersSpec@c1] through connection [Actor[akka://JoinTwoClustersSpec@c1/system/cluster/commands]]
[c1] [INFO] [06/08/2012 14:54:42.344] [JoinTwoClustersSpec-akka.actor.default-dispatcher-5] [Node(akka://JoinTwoClustersSpec)] Cluster Node [akka://JoinTwoClustersSpec@c1] - Node [akka://JoinTwoClustersSpec@b2] is JOINING
[a2] [INFO] [06/08/2012 14:54:46.889] [JoinTwoClustersSpec-akka.actor.default-dispatcher-1] [Node(akka://JoinTwoClustersSpec)] Cluster Node [akka://JoinTwoClustersSpec@a2] - Marking node(s) as UNREACHABLE [Member(address = akka://JoinTwoClustersSpec@b2, status = Up)]
[b1]   java.lang.AssertionError: assertion failed: timeout 19398558174 nanoseconds expired
[b1]   at scala.Predef$.assert(Predef.scala:160)
[b1]   at akka.testkit.TestKitBase$class.poll$1(TestKit.scala:185)
[b1]   at akka.testkit.TestKitBase$class.awaitCond(TestKit.scala:191)
[b1]   at akka.testkit.TestKit.awaitCond(TestKit.scala:600)
[b1]   at akka.cluster.MultiNodeClusterSpec$$anonfun$awaitUpConvergence$1.apply$mcV$sp(MultiNodeClusterSpec.scala:118)
[b1]   at akka.cluster.MultiNodeClusterSpec$$anonfun$awaitUpConvergence$1.apply(MultiNodeClusterSpec.scala:115)
[b1]   at akka.cluster.MultiNodeClusterSpec$$anonfun$awaitUpConvergence$1.apply(MultiNodeClusterSpec.scala:115)
[b1]   at akka.testkit.TestKitBase$class.within(TestKit.scala:222)
[b1]   at akka.testkit.TestKit.within(TestKit.scala:600)
[b1]   at akka.testkit.TestKitBase$class.within(TestKit.scala:236)
[b1]   at akka.testkit.TestKit.within(TestKit.scala:600)
[b1]   at akka.cluster.MultiNodeClusterSpec$class.awaitUpConvergence(MultiNodeClusterSpec.scala:115)
[b1]   at akka.cluster.JoinTwoClustersSpec.awaitUpConvergence(JoinTwoClustersSpec.scala:30)
[b1]   at akka.cluster.JoinTwoClustersSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply$mcV$sp(JoinTwoClustersSpec.scala:87)

Failed again: http://217.142.157.108:8080/job/akka-multi-node/111/consoleFull

No UNREACHABLE as above. Hangs on last barrier.

[JVM-Node3] - be able to 'elect' a single leader after joining (C -> A + B) *** FAILED ***
[JVM-Node3]   akka.pattern.AskTimeoutException: Timed out
[JVM-Node3]   at akka.dispatch.DefaultPromise.result(Future.scala:861)
[JVM-Node3]   at akka.dispatch.Await$.result(Future.scala:75)
[JVM-Node3]   at akka.remote.testconductor.Player$$anonfun$enter$1.apply(Player.scala:82)
[JVM-Node3]   at akka.remote.testconductor.Player$$anonfun$enter$1.apply(Player.scala:80)
[JVM-Node3]   at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:34)
[JVM-Node3]   at scala.collection.mutable.WrappedArray.foreach(WrappedArray.scala:33)
[JVM-Node3]   at akka.remote.testconductor.Player$class.enter(Player.scala:80)
[JVM-Node3]   at akka.remote.testconductor.TestConductorExt.enter(Extension.scala:41)
[JVM-Node3]   at akka.cluster.JoinTwoClustersSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply$mcV$sp(JoinTwoClustersSpec.scala:91)
[JVM-Node3]   at akka.cluster.JoinTwoClustersSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(JoinTwoClustersSpec.scala:81)
[JVM-Node3]   at akka.cluster.JoinTwoClustersSpec$$anonfun$1$$anonfun$apply$mcV$sp$8.apply(JoinTwoClustersSpec.scala:81)
[JVM-Node3]   at org.scalatest.WordSpec$$anon$2.apply(WordSpec.scala:2161)
[JVM-Node3]   at org.scalatest.Suite$class.withFixture(Suite.scala:1968)

Failed again. Same failure as above: http://217.142.157.108:8080/job/akka-multi-node/113/consoleText

That is with the 'FailureDetectorPuppetStrategy', so the FD can be ruled out.

Fixed by #2077 and/or #2222

This is also awesome.

Updating tickets (#620, #679, #725, #750, #752, #753, #754, #763, #789, #870, #893, #922, #953, #954, #971, #977, #983, #985, #987, #991, #1026, #1045, #1051, #1060, #1061, #1084, #1098, #1099, #1133, #1134, #1135, #1136, #1137, #1194, #1225, #1226, #1243, #1245, #1247, #1248, #1254, #1261, #1300, #1317, #1391, #1412, #1791, #1793, #1901, #1908, #1911, #1912, #1913, #1914, #1915, #1916, #1917, #1922, #1983, #1987, #1996, #1997, #1998, #2066, #2077, #2105, #2117, #2133, #2143, #2149, #2151, #2152, #2153, #2155, #2157, #2158, #2159, #2160, #2161, #2162, #2163, #2164, #2165, #2167, #2171, #2175, #2176, #2177, #2180, #2182, #2184, #2185, #2193, #2199, #2202, #2204, #2206, #2207, #2209, #2210)