Error input file does not exist

I’ve followed the set up guide up to the enrich phase, and all seems to be working as expected.

When I run the EMR jobs, they fail with the following error:

Exception in thread "main" java.lang.RuntimeException: Error running job
    at com.amazon.elasticmapreduce.s3distcp.S3DistCp.run(Unknown Source)
    at com.amazon.elasticmapreduce.s3distcp.S3DistCp.run(Unknown Source)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
    at com.amazon.elasticmapreduce.s3distcp.Main.main(Unknown Source)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
    at java.lang.reflect.Method.invoke(Method.java:597)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:187)
Caused by: org.apache.hadoop.mapred.InvalidInputException: Input path does not exist: hdfs:/tmp/ab1f5ebb-40f1-4ad2-b6fc-295b36cf87a6/files
    at org.apache.hadoop.mapred.FileInputFormat.listStatus(FileInputFormat.java:197)
    at org.apache.hadoop.mapred.SequenceFileInputFormat.listStatus(SequenceFileInputFormat.java:40)
    at org.apache.hadoop.mapred.FileInputFormat.getSplits(FileInputFormat.java:208)
    at org.apache.hadoop.mapred.JobClient.writeOldSplits(JobClient.java:1044)
    at org.apache.hadoop.mapred.JobClient.writeSplits(JobClient.java:1036)
    at org.apache.hadoop.mapred.JobClient.access$700(JobClient.java:174)
    at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:952)
    at org.apache.hadoop.mapred.JobClient$2.run(JobClient.java:905)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:396)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1132)
    at org.apache.hadoop.mapred.JobClient.submitJobInternal(JobClient.java:905)
    at org.apache.hadoop.mapred.JobClient.submitJob(JobClient.java:879)
    at org.apache.hadoop.mapred.JobClient.runJob(JobClient.java:1316)
    at com.amazon.elasticmapreduce.s3distcp.S3DistCp.run(Unknown Source)
    ... 9 more

I have checked my config and all seem well. I can also reproduce this every time I run the job.

The only concern I have is that I’m executing the runner locally (for testing purposes), but should that matter?

I’m raising a ticket in case someone else has the same issue in the future, hoping we can troubleshoot here.

My failed step lists this in the EMR console:

| Elasticity Custom Jar Step | FAILED | 2013-07-28 17:28 EST | 2013-07-28 17:29 EST | /home/hadoop/lib/emr-s3distcp-1.0.jar | - |   --src s3n://analytics-test-etl/processing/ --dest hdfs:///local/snowplow-logs --groupBy .*.([0-9]+-[0-9]+-[0-9]+)-[0-9]+..* --targetSize 128 --outputCodec lzo --s3Endpoint s3.amazonaws.com | 
| Elasticity Custom Jar Step | CANCELLED | - | - | s3://snowplow-hosted-assets/3-enrich/hadoop-etl/snowplow-hadoop-etl-0.3.2.jar |  - |     com.snowplowanalytics.snowplow.enrich.hadoop.EtlJob --hdfs --input_folder hdfs:///local/snowplow-logs --input_format cloudfront --maxmind_file http://snowplow-hosted-assets.s3.amazonaws.com/third-party/maxmind/GeoLiteCity.dat --output_folder s3n://analytics-test-data/events/2013-07-28-17-23-41/ --bad_rows_folder s3n://analytics-test-data/bad-rows/2013-07-28-17-23-41/ | 

I am trying to work out what causes the following error:

Input path does not exist: hdfs:/tmp/ab1f5ebb-40f1-4ad2-b6fc-295b36cf87a6/files

Cannot read file filename??.in. The input file has incorrect formatting or has
been corrupted.

Cannot open file filename??.in. Check spelling and ensure the file is in the
correct directory.

These errors indicates the input file specified by the user does not exist. Check for spelling mistakes, and that Netfabb Simulation has been executed in the correct directory.

File filename?? does not exist. Check the input files are correct and ensure
filename is in the correct directory.

This error message occurs when the specified input, PRM, or STL file cannot be found in the current directory.

Command-line argument *???? was unable to be read. Check input files and ensure
usage is accordance with the user manual.

Cannot read file filename due to error argument in card: *????. Refer to the
user manual for correct spelling and usage.

Cannot read file filename??.in due to error in card: *????. Refer to the user
manual for correct spelling and usage.

These error messages are displayed when an unknown line is read from the input file. This is commonly due to accidentally uncommenting a comment line, typing errors, or using a non-basic text (ANSI or ASCII) format.

Command-line argument ???? was truncated. Correct in the input file and rerun.

This error message indicates one of the control cards has been truncated. Fix the input file and rerun.

Could not read dependent analysis files. The file may be missing, the wrong file
type, or corrupted.

This occurs when one or more files required to run a simulation are missing. For a mechanical analysis, ensure the correct dependent thermal analysis is listed under *DEPE and that the thermal analysis completed correctly.

End of input file filename??.in. One or more input cards are incorrectly 
formatted. Check each card has the correct usage specified by the user manual.

This error indicates the input file read to the end of the file without encountering the *END card, or with one or more formatting errors in prior control cards.

Could not read restart file example.bin. Check the restart file name specified
by *REST.

This error indicates that the .bin file specified by the *REST card is not a valid restart file and may have been corrupted.

PRM file example??.prm is not correctly formatted. Ensure the correct file is
being used. The PRM file may have been corrupted and needs to be regenerated.

Cannot read prm file example??.prm. Ensure the correct file is being used. The
PRM file may have been corrupted and needs to be regenerated.

No PRM file specified by the PRM file card *PBPF. Specify at least 1 PRM file
under the *PBPF card.

This PRM file was created by pan2 and is not valid. Regenerate the PRM file
using prm gen.

Zero entries found in example.lsr. Check the .lsr file or the *LSRP settings if
the file was auto-generated.

The number of ambient temperatures are not consistent in the PRM files. Ensure
the correct PRM files are being used. You may need to regenerate the PRM files
to ensure the specified temperatures are identical in each file.

The number of lack of fusion temperatures are not consistent in the PRM files.
Ensure the correct PRM files are being used. You may need to regenerate the PRM
files to ensure the specified temperatures are identical in each file.

The number of hot spot temperatures are not consistent in the PRM files. Ensure
the correct PRM files are being used. You may need to regenerate the PRM files
to ensure the specified temperatures are identical in each file.

The interlayer temperatures are not consistent in the PRM files. Ensure the
correct PRM files are being used. You may need to regenerate the PRM files to
ensure the specified temperatures are identical in each file.

The lack of fusion temperatures are not consistent in the PRM files. Ensure the
correct PRM files are being used. You may need to regenerate the PRM files to
ensure the specified temperatures are identical in each file.

The hot spot temperatures are not consistent in the PRM files. Ensure the
correct PRM files are being used. You may need to regenerate the PRM files to
ensure the specified temperatures are identical in each file.

File example??.prm does not contain any parameter or lack of fusion entries.
Ensure the correct file is being used. The PRM file may have been corrupted and
needs to be regenerated.

File example??.prm does not contain any parameter entries. Ensure the correct
file is being used. The PRM file may have been corrupted and needs to be
regenerated.

Number of prm files exceeds 100. Increase the value of *NMAT.

• 

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In this python tutorial, we will discuss the File does not exist python, and also we will cover these below topics:

• File does not exist python
• File does not exist python read CSV
• Python check if the file does not exist and create
• File does not exist python exception
• Python Check If a file exists
• If the file does not exist python
• Python file does not exist error
• ioerror file does not exist python
• Python if the file does not exists skip
• Python raise file does not exists

Here, we can see how to check whether file exists in python.

• In this example, I have imported a module called os.path. The os.path module is used for processing the files from different places in the system.
• The os.path.exists is used to check the specified path exists or not.
• The path of the file is assigned as r’C:UsersAdministrator.SHAREPOINTSKYDesktopWorkmobile.txt’. The mobile.txt is the name of the file.

Example:

import os.path
print(os.path.exists( r'C:UsersAdministrator.SHAREPOINTSKYDesktopWorkmobile.txt'))

As the file is not present so the output is returned as False. You can refer to the below screenshot for the output.

This is how to fix file not exist error python.

Read, Python program to print pattern.

File does not exist python read CSV

Here, we can see how check file does not exist read CSV in python.

• In this example, I have used exceptions, So I have taken try block and to check whether the file exists or not.
• I have opened the file with .csv extension, if condition is true it should print File present as the output.
• If the file is not found, the except is FileNotFoundError is used. As the file is a present exception is not raised.

Example:

try:
    with open("student.csv") as f:
        print("File present")
except FileNotFoundError:
    print('File is not present')

As the file is present exception is not raised, we can see the output as File present. The below screeenshot shows the output.

This is how to fix error, File does not exist error in Python while reading CSV file.

Python check if file does not exists and create

Now, we can see how to check if file does not exists and create in python.

• In this example, I have imported a module called os. The path of the file is read.
• The if condition is used as os.path.exists(x), os.path.isfile(x).
• If the file is present the condition returns true as the output.
• If the file is not present then the else condition is executed and the file is created by using f = open(“pic.txt”,”w”). The pic.txt is the name of the file and “w” is the mode of the file.
• The f.close() is used to close the file.

Example:

import os
x=r'C:UsersAdministrator.SHAREPOINTSKYphoto.txt'
if os.path.exists(x):
    if os.path.isfile(x):
        print("file is present")
else:
  print("file is not present and creating a new file")
f = open("pic.txt","w")
f.close()

As the file is not present the else condition is executed and the new file is created. You can refer to the below screenshot for the output.

This is how to check if file does not exists and create it in Python.

File does not exist python exception

Here, we can see file does not exist exception in python.

• In this example, I have used exceptions.
• Here, I have taken a try block to check whether the file exists or not. So I have opened the file as with open(“bottle.py”) as f if condition is true it should print(“File present”).
• If the file is not found, the except FileNotFoundError is used. As the file is not present exception is executed.

Example:

try:
    with open("bottle.py") as f:
        print("File present")
except FileNotFoundError:
    print('File is not present')

You can refer to the below screenshot for the output.

Python check If a file exists

Now, we can see check if a file exists in python.

• In this example, I have imported a module called os.path and also a path from os. The module path checks the specified path is present or not.
• I have used a function called main as def main().
• The path.exists() is used to check whether the specified path exists or not. as both the file are not present.
• As only one file is present we can see that the output is true and another file 925.txt is not found so it returns false as the output.
• Every module has an attribute called __name__., the value of the attribute is set to “__main__”.

Example:

import os.path
from os import path
def main():
   print (str(path.exists('pic.txt')))
   print (str(path.exists('925.txt')))
if __name__== "__main__":
   main()

As the file 925.txt file is not present, we can see the false is returned as the output. The below screenshot shows the output.

This is how to check if a file exists in Python or not.

If the file does not exist python

Now, we can see if the file does not exist in python.

• In this example, I have imported a module called pathlib. The module pathlib is used to work with files and directories.
• The pathlib.path is used to join the path of the two directories.
• The path.exists() is used to check whether the file exists are not.
• The path.is_file is used to find the result of the file.

Example:

import pathlib
path = pathlib.Path('laptop.txt')
path.exists()
print(path.is_file())

As the file is not present false is returned as the output. You can refer to the below screenshot for the output.

Python file does not exist error

Here, we can see file does not exist error in python.

In this example, I have taken a file as mobile.txt to read the file as the file does not exists so the error is found.

Example:

myfile = open("mobile.txt")
print(myfile.read())
myfile.close()

We can see FileNotFoundError as the output. You can refer to the below screenshot for the output. In order to solve the error, we have to give the file name which is present in the system.

IOError file does not exist python

Here, we can see IOError file does not exist in python.

• In this example, I have used exceptions, So I have taken try block and to check whether the file exists or not.
• I have opened the file as with open(“mobile.txt”) as f, if condition is true it should print(“File present”). The mobile.txt is the name of the file.
• If the file is not found, the except IOError is used. As the file is not present exception is executed.

Example:

try:
    with open("mobile.txt") as f:
        print("File present")
except IOError:
  print('File is not present')

As the file is not present the except is executed. File is not present is printed in the output. You can refer to the below screenshot for the output.

Python if the file does not exists skip

• In this example, I have used exceptions, So I have taken try block and to check whether the file exists or not.
• I have opened the file as with open(“bike.txt”) as f, if condition is true it should print(“File present”).
• If the file is not found, the except FileNotFoundError is used. As the file is not present exception is executed and skipped to print(‘File is not present’).

Example:

try:
    with open("bike.txt") as f:
        print("File present")
except FileNotFoundError:
    print('File is not present')

The except is executed so the output will be File is not present. You can refer to the below screenshot for the output.

Python raise file does not exist

Here, we can see how to raise file does not exist in python.

• In this example, I have imported a module called os. The os module establishes the connection between the user and the operating system.
• If the file is not present it should raise an error as FileNotFoundError.
• The keyword raise is used to raise the exception.

Example:

import os
if not os.path.isfile("text.txt"):
    raise FileNotFoundError

As the file is not present an error is raised as the output. You can refer to the below screenshot for the output.

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• How to read video frames in Python
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In this tutorial, we have learned about File does not exist python, and also we have covered these topics:

• File does not exist python
• File does not exist python read CSV
• Python check if the file does not exist and create
• File does not exist python exception
• Python Check If a file exists
• If the file does not exist python
• IOError file does not exist python
• Python if the file does not exists skip
• Python raise file does not exists