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From Josh Adams <>
Subject "Could not deserialize AssignedTask" error
Date Wed, 13 Aug 2014 01:04:20 GMT
We're trying to upgrade to Mesos 0.19.1 to use Aurora with the new
Announcer impl and we're running into this error on
thermos_executor.pex when trying to run any Task. Anyone seen anything
like it before?


WARNING: Logging before InitGoogleLogging() is written to STDERR
I0813 00:57:40.229567 10732 exec.cpp:131] Version: 0.19.1
I0813 00:57:40.231796 10761 exec.cpp:205] Executor registered on slave
FATAL] Could not deserialize AssignedTask
FATAL] Traceback (most recent call last):
  File "apache/aurora/executor/", line 234, in validate_task
    assigned_task = assigned_task_from_mesos_task(task)
  File "apache/aurora/executor/common/", line 32, in
    assigned_task = thrift_deserialize(AssignedTask(),
  File "/root/.pex/install/thrift-0.9.1-cp27-none-linux_x86_64.whl.5554a00a49bd3c9d0ed12679fbf9a9810c343ed1/thrift-0.9.1-cp27-none-linux_x86_64.whl/thrift/",
line 37, in deserialize
  File "gen/apache/aurora/api/", line 2841, in read
  File "gen/apache/aurora/api/", line 1678, in read
TypeError: unhashable instance

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