Waqas, Can you ensure this file isn't empty (0 in size)?
On Fri, May 25, 2012 at 3:12 PM, waqas latif <waqas...@gmail.com> wrote: > Hi Experts, > > I am fairly new to hadoop MapR and I was trying to run a matrix > multiplication example presented by Mr. Norstadt under following link > http://www.norstad.org/matrix-multiply/index.html. I can run it > successfully with hadoop 0.20.2 but I tried to run it with hadoop 1.0.3 but > I am getting following error. Is it the problem with my hadoop > configuration or it is compatibility problem in the code which was written > in hadoop 0.20 by author.Also please guide me that how can I fix this error > in either case. Here is the error I am getting. > > in thread "main" java.io.EOFException > at java.io.DataInputStream.readFully(DataInputStream.java:180) > at java.io.DataInputStream.readFully(DataInputStream.java:152) > at > org.apache.hadoop.io.SequenceFile$Reader.init(SequenceFile.java:1508) > at > org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1486) > at > org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1475) > at > org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1470) > at TestMatrixMultiply.fillMatrix(TestMatrixMultiply.java:60) > at TestMatrixMultiply.readMatrix(TestMatrixMultiply.java:87) > at TestMatrixMultiply.checkAnswer(TestMatrixMultiply.java:112) > at TestMatrixMultiply.runOneTest(TestMatrixMultiply.java:150) > at TestMatrixMultiply.testRandom(TestMatrixMultiply.java:278) > at TestMatrixMultiply.main(TestMatrixMultiply.java:308) > 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:156) > > Thanks in advance > > Regards, > waqas -- Harsh J
