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Subject: Re: problem while running wordcount on lion x
From: Jignesh Patel <jignesh@websoft.com>
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Date: Wed, 5 Oct 2011 20:31:34 -0400
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 have used eclipse to export the file and then got following error

hadoop-user$ bin/hadoop jar =
wordcountsmp/wordcount.jarorg.apache.hadoop.examples.WordCount input =
output


Exception in thread "main" java.io.IOException: Error opening job jar: =
wordcountsmp/wordcount.jarorg.apache.hadoop.examples.WordCount
	at org.apache.hadoop.util.RunJar.main(RunJar.java:90)
Caused by: java.util.zip.ZipException: error in opening zip file
	at java.util.zip.ZipFile.open(Native Method)
	at java.util.zip.ZipFile.<init>(ZipFile.java:127)
	at java.util.jar.JarFile.<init>(JarFile.java:135)
	at java.util.jar.JarFile.<init>(JarFile.java:72)
	at org.apache.hadoop.util.RunJar.main(RunJar.java:88)


I tried following=20
java -jar xf wordcountsmp/wordcount.jar

and got the error

Unable to access jar file xf

my jar file size is 5kb. I am feeling somehow eclipse export in macOS is =
not creating appropriate jar.




On Oct 5, 2011, at 8:16 PM, Brock Noland wrote:

> Hi,
>=20
> On Wed, Oct 5, 2011 at 7:13 PM, Jignesh Patel <jignesh@websoft.com> =
wrote:
>>=20
>>=20
>> I also found another problem if I directly export from eclipse as a =
jar
>> file then while trying javac -jar or hadoop -jar doesn't recognize =
that jar.
>> However same jar works well with windows.
>=20
>=20
>=20
> Can you please share the error message? Note, the structure of the =
hadoop
> command is:
>=20
> hadoop jar file.jar class.name
>=20
> Note, no - in front of jar like `java -jar'
>=20
> Brock