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error running jar on openlab
When we try to run the jar file on openlab we get this error:
stewartd@tom-tucker % bin/hadoop jar ../ass5.jar input output
java.io.IOException: Error opening job jar: ../ass5.jar
at org.apache.hadoop.util.RunJar.main(RunJar.java:91)
at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
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:114)
at java.util.jar.JarFile.<init>(JarFile.java:133)
at java.util.jar.JarFile.<init>(JarFile.java:70)
at org.apache.hadoop.util.RunJar.main(RunJar.java:89)
... 4 more
We've tried re-creating the jar multiple times, but same error.
</init></init></init>
stewartd@tom-tucker % bin/hadoop jar ../ass5.jar input output
java.io.IOException: Error opening job jar: ../ass5.jar
at org.apache.hadoop.util.RunJar.main(RunJar.java:91)
at org.apache.hadoop.mapred.JobShell.run(JobShell.java:54)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:79)
at org.apache.hadoop.mapred.JobShell.main(JobShell.java:68)
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:114)
at java.util.jar.JarFile.<init>(JarFile.java:133)
at java.util.jar.JarFile.<init>(JarFile.java:70)
at org.apache.hadoop.util.RunJar.main(RunJar.java:89)
... 4 more
We've tried re-creating the jar multiple times, but same error.
</init></init></init>
I’m undecided
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Inappropriate?try:
bin/hadoop jar ../ass5.jar ir.assignment5.TheClass input output
Replace "ir.assignment5.TheClass" with the package and class of whatever your assignment is. -
Inappropriate?Is the ../ supposed to be there in front of ass5.jar? That wasn't there when we did the example:
bin/hadoop jar hadoop-0.19.0-examples.jar wordcount input output -
Inappropriate?it's the file path to whereever the jar is.
So if it's one directory up you need the ..
if it's in the same directory you don't. -
Inappropriate?Anyone solve this one? I'm getting it also.
EDIT:
lol stupid error, I just had the JAR file name wrong. For me, it was:
bin/hadoop jar hadooptest.jar PostingList input output
INSTEAD OF
bin/hadoop jar hadoop-0.19.0-hadooptest.jar PostingList input output
My error was that I thought the hadoop-0.19.0- was part of the directory structure (which it sort of is, that's the name of my folder where hadoop is in).
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