Null pointer exception in SqlStageExecution

[erichwang]

2014-01-22T17:18:24.135-0800 DEBUG Stage-20140123_011823_00017_xrsjj.1-402 com.facebook.presto.execution.SqlStageExecution Error while starting stage in done query 20140123_011823_00017_xrsjj.1
java.lang.NullPointerException: null
at java.util.concurrent.ConcurrentHashMap.hash(ConcurrentHashMap.java:333) ~[na:1.7.0_45]
at java.util.concurrent.ConcurrentHashMap.get(ConcurrentHashMap.java:988) ~[na:1.7.0_45]
at com.facebook.presto.execution.SqlStageExecution.scheduleSourcePartitionedNodes(SqlStageExecution.java:646) [presto-main-0.57.jar:0.57]
at com.facebook.presto.execution.SqlStageExecution.startTasks(SqlStageExecution.java:556) [presto-main-0.57.jar:0.57]
at com.facebook.presto.execution.SqlStageExecution.access$300(SqlStageExecution.java:95) [presto-main-0.57.jar:0.57]
at com.facebook.presto.execution.SqlStageExecution$5.run(SqlStageExecution.java:528) [presto-main-0.57.jar:0.57]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [na:1.7.0_45]
at java.util.concurrent.FutureTask.run(FutureTask.java:262) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]

[dain]

I believe this is fixed in 0.60