spmd error: Could not deserialize object: java.io.IOException
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raym
am 14 Mai 2018
Bearbeitet: Walter Roberson
am 30 Mai 2018
Lab 1:
Warning: Could not deserialize object: java.io.IOException: Cannot deserialize proxy: Ice.ObjectInputStream not found/n
> In parallel.internal.pool.deserialize (line 9)
Lab 2:
Warning: Could not deserialize object: java.io.IOException: Cannot deserialize proxy: Ice.ObjectInputStream not found/n
> In parallel.internal.pool.deserialize (line 9)
Lab 1:
In parallel.internal.pool.deserializeFunction (line 12)
In spmdlang.remoteBlockExecution>iDeserializeInputs (line 169)
In spmdlang.remoteBlockExecution>iPrelude (line 109)
In spmdlang.remoteBlockExecution (line 36)
Lab 2:
In parallel.internal.pool.deserializeFunction (line 12)
In spmdlang.remoteBlockExecution>iDeserializeInputs (line 169)
In spmdlang.remoteBlockExecution>iPrelude (line 109)
In spmdlang.remoteBlockExecution (line 36)
1 Kommentar
Walter Roberson
am 14 Mai 2018
My guess is that you are exceeding the 2 Gigabyte limit on transferring data between workers. (Perhaps the limit is higher these days.)
Akzeptierte Antwort
Edric Ellis
am 14 Mai 2018
The problem here is that you appear to be creating a java object in the MATLAB client process that cannot be transferred to the worker - which is a separate process. It's not clear to me from your code exactly where that is, but what you need to do is simple: you must ensure that these objects are created on the workers. In other words, you must perform whatever setup phase involves the java/Ice API inside an spmd block.
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