方法二:修改程序,加入配置 importosfrompysparkimportSparkContext, SparkConffrompyspark.sql.sessionimportSparkSessionfrompyspark.sqlimportHiveContextfrompyspark.sqlimportSQLContextfrompyspark.storagelevelimportStorageLevelfrompyspark.sql.typesimportStructField, StructType, StringTypefrompyspark.streamingimportStreamingContext...
pyspark apache-spark-ml Share Improve this question editedNov 23, 2018 at 17:59 desertnaut 60k3030 gold badges149149 silver badges174174 bronze badges askedNov 23, 2018 at 17:33 Eigenvalue 111 silver badge33 bronze badges 1 Answer Sorted by: ...
pyspark drop_duplicates 报错 py4j.Py4JException: Method toSeq([class java.lang.String]) does not exist 把.drop_duplicates("column_name")改为.drop_duplicates(subset=["column_name"])
Unfortunately, you're unlikely to overcome this issue without a fix in spark to make the Rand class null safe, however if you just need to generate random numbers you can trivially build your own rand() udf around Python random generator: from pyspark.sql import functions as F...
%%pyspark spark.sql("CREATE DATABASE IF NOT EXISTS nyctaxi1") AnalysisException: java.lang.RuntimeException: java.io.FileNotFoundException: Operation failed: "The specified filesystem does not exist.", 404, HEAD,…
{http_code}'"'"' -X PUT '"'"'http://myhostname:50070/webhdfs/v1/user/zeppelin/.sparkStaging/application_1505703113454_0011/pyspark.zip?op=SETOWNER&user.name=hdfs&owner=zeppelin&group='"'"' 1>/tmp/tmpQJ4JzG 2>/tmp/tmpnxXSi3''] {'logoutput': None, 'quiet': Fal...
pyspark\context.pyin_do_init(self, master, appName, sparkHome, pyFiles, environment, batchSize, serializer, conf, jsc, profiler_cls)186self._accumulatorServer = accumulators._start_update_server()187(host, port) = self._accumulatorServer.server_address -->188self._javaAccumulator...