Java.io.IOException: Could not locate executable null\bin\winutils.exe in the Hadoop binaries.Įxception in thread "pool-8-thread-1" Īt (ProcessBuilder.java:1010)Īt .nCommand(Shell.java:404)Īlso, looking inside checkpoint directory you can find some files created at the moment of the stream processing, however these files are empty. When you enable checkpointing for your streaming context with ssc.checkpoint() you may get the error messages ![]() To do that, just call checkpoint on the streaming context with a directory to write the checkpoint data." (from ) To do that, call the updateStateByKey function of the Spark Streaming library.įirst, in order to use updateStateByKey, checkpointing must be enabled on the streaming context. To maintain state for key-pair values, the data may be too big to fit in memory on one machine - Spark Streaming can maintain the state for you. "To keep track of the log statistics for all of time, state must be maintained between processing RDD's in a DStream.
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