對象鎖錯誤在編寫三角洲湖表S3
問題你想執行一個三角洲寫操作S3 bucket和得到一個錯誤消息。com.amazonaws.services.s3.model。亞馬遜S3Exception: Content-MD5 HTTP header is required for Put Part requests with Object Lock parameters Cause Delta Lake does not support S3 buckets with object lock enabled. Solution You should use an S3 bucket that do...
然而使用pyfunc返回ModuleNotFoundError或FileNotFoundError模型
問題您已經創建了一個使用KNeighborsClassifier Sklearn模型,使用pyfunc運行一個預測。例如:python導入mlflow %。pyfunc pyfunc_udf = mlflow.pyfunc。spark_udf(火花,model_uri = model_uri result_type = '字符串')predicted_df =合並。withColumn(“預測”,pyfunc_udf (* merge.columns [1:])) predicted_df.collect()預測……
RStudio服務器後端連接錯誤
問題你得到一個後端連接錯誤當使用RStudio服務器。係統誤差。setenv (EXISTING_SPARKR_BACKEND_PORT =係統(paste0 (“wget問:——“http://localhost: 6061 / ? type = \“com.databricks.backend.common.rpc.DriverMessages StartRStudioSparkRBackend美元\”- post數據= ' {\“@class \”, \“com.databricks.backend.common.rpc.DriverMessages StartRStudioSparkRB美元…
當啟用AQE斷斷續續的NullPointerException
問題得到一個間歇NullPointerException錯誤當保存您的數據。Py4JJavaError:調用o2892.save時發生一個錯誤。:. lang。在org.apache.spark.sql.execution.adaptive.OptimizeSkewedJoin NullPointerException。anonfun getMapSizesForReduceId美元1美元(OptimizeSkewedJoin.scala: 167) org.apache.spark.sql.execution.adaptive ....