The error occurs when running the following code： from pyspark.sql import SparkSession import pyrasterframes from pyrasterframes.rasterfunctions import * from pyspark.sql.functions import lit from pyspark.sql.functions import col import os from pyrasterframes.utils import create_rf_spark_session java8_location = 'C:/Program Files/Java/jdk1.8.0_311' os.environ['JAVA_HOME'] = java8_location os.environ['PYSPARK_PYTHON'] = "E:/conda3/envs/pyGIS/python.exe" spark = create_rf_spark_session() df1 = spark.read.raster("F:/qx_data/mishi/out8/rainfall_20080102.tif") df2 = spark.read.raster("F:/qx_data/mishi/out8/rainfall_20080103.tif") combined_df = df1.crossJoin(df2) The error message displays： 25/02/26 16:09:09 WARN Shell: Did not find winutils.exe: java.io.FileNotFoundException: java.io.FileNotFoundException: HADOOP_HOME and hadoop.home.dir are unset. -see https://wiki.apache.org/hadoop/WindowsProblems Setting default log level to "WARN". To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel). 25/02/26 16:09:09 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Error setting up SparkSession; cannot find the pyrasterframes assembly jar 'JavaPackage' object is not callable Traceback (most recent call last): File "E:\conda3\envs\pyGIS\lib\code.py", line 90, in runcode exec(code, self.locals) File "<input>", line 1, in <module> File "E:\pycharm2022\PyCharm 2022.2.1\plugins\python\helpers\pydev\_pydev_bundle\pydev_umd.py", line 198, in runfile pydev_imports.execfile(filename, global_vars, local_vars) # execute the script File "E:\pycharm2022\PyCharm 2022.2.1\plugins\python\helpers\pydev\_pydev_imps\_pydev_execfile.py", line 18, in execfile exec(compile(contents+"\n", file, 'exec'), glob, loc) File "F:/testproject/rasteroverlaytest.py", line 18, in <module> df1 = spark.read.raster("F:/qx_data/mishi/out8/rainfall_20080102.tif") AttributeError: 'NoneType' object has no attribute 'read'