Windows中python文件的FileNotFoundException

Posted 2023-04-15

【中文标题】Windows中python文件的FileNotFoundException

【英文标题】：FileNotFoundException for python file in windows

【发布时间】：2018-10-14 10:03:30

【问题描述】：

我正在尝试学习 pyspark。我已经在我的 Windows 10 机器上安装了 python 3.6.5。

我使用的是 spark 2.3 版。

我已经从 git 下载了 zip 文件。我有一个 WordCount.py 文件。

当我尝试在 cmd 中运行命令时：

spark-submit WordCount.py

我收到以下错误。

我正在复制 WordCount.py 的目录中执行此命令。

18/10/14 15:24:41 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
18/10/14 15:24:43 ERROR SparkContext: Error initializing SparkContext.
java.io.FileNotFoundException: File file:/E:/notes/Hadoop/spark/course%20projects/python-spark-tutorial-master/rdd/WordCount.py does not exist
        at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:611)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:824)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:601)
        at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:421)
        at org.apache.spark.SparkContext.addFile(SparkContext.scala:1528)
        at org.apache.spark.SparkContext.addFile(SparkContext.scala:1498)
        at org.apache.spark.SparkContext$$anonfun$13.apply(SparkContext.scala:461)
        at org.apache.spark.SparkContext$$anonfun$13.apply(SparkContext.scala:461)
        at scala.collection.immutable.List.foreach(List.scala:381)
        at org.apache.spark.SparkContext.<init>(SparkContext.scala:461)
        at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
        at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
        at py4j.Gateway.invoke(Gateway.java:238)
        at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
        at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
        at py4j.GatewayConnection.run(GatewayConnection.java:214)
        at java.lang.Thread.run(Thread.java:748)
Traceback (most recent call last):
  File "E:/notes/Hadoop/spark/course projects/python-spark-tutorial-master/rdd/WordCount.py", line 5, in <module>
    sc = SparkContext(conf = conf)
  File "E:\notes\Hadoop\spark\spark_installation\python\lib\pyspark.zip\pyspark\context.py", line 118, in __init__
  File "E:\notes\Hadoop\spark\spark_installation\python\lib\pyspark.zip\pyspark\context.py", line 180, in _do_init
  File "E:\notes\Hadoop\spark\spark_installation\python\lib\pyspark.zip\pyspark\context.py", line 270, in _initialize_context
  File "E:\notes\Hadoop\spark\spark_installation\python\lib\py4j-0.10.6-src.zip\py4j\java_gateway.py", line 1428, in __call__
  File "E:\notes\Hadoop\spark\spark_installation\python\lib\py4j-0.10.6-src.zip\py4j\protocol.py", line 320, in get_return_value
py4j.protocol.Py4JJavaError: An error occurred while calling None.org.apache.spark.api.java.JavaSparkContext.
: java.io.FileNotFoundException: File file:/E:/notes/Hadoop/spark/course%20projects/python-spark-tutorial-master/rdd/WordCount.py does not exist
        at org.apache.hadoop.fs.RawLocalFileSystem.deprecatedGetFileStatus(RawLocalFileSystem.java:611)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileLinkStatusInternal(RawLocalFileSystem.java:824)
        at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:601)
        at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:421)
        at org.apache.spark.SparkContext.addFile(SparkContext.scala:1528)
        at org.apache.spark.SparkContext.addFile(SparkContext.scala:1498)
        at org.apache.spark.SparkContext$$anonfun$13.apply(SparkContext.scala:461)
        at org.apache.spark.SparkContext$$anonfun$13.apply(SparkContext.scala:461)
        at scala.collection.immutable.List.foreach(List.scala:381)
        at org.apache.spark.SparkContext.<init>(SparkContext.scala:461)
        at org.apache.spark.api.java.JavaSparkContext.<init>(JavaSparkContext.scala:58)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at py4j.reflection.MethodInvoker.invoke(MethodInvoker.java:247)
        at py4j.reflection.ReflectionEngine.invoke(ReflectionEngine.java:357)
        at py4j.Gateway.invoke(Gateway.java:238)
        at py4j.commands.ConstructorCommand.invokeConstructor(ConstructorCommand.java:80)
        at py4j.commands.ConstructorCommand.execute(ConstructorCommand.java:69)
        at py4j.GatewayConnection.run(GatewayConnection.java:214)
        at java.lang.Thread.run(Thread.java:748)

【参考方案1】：

course projects 目录的名称中有一个空格。 尝试将您的项目移动到另一个没有空格的目录