Does your user have permissions to read/write on the dfs directories you made?
try changing the directory ownerships to the user which is running hadoop. On Fri, Jan 4, 2013 at 11:20 PM, Gangadhar Ramini <use.had...@gmail.com>wrote: > Hi Nitin, > > I tried latest stable Hadoop version on windows with cygwin, I see > following error in JobTracker logs. Do you have any advice? > > C:\cygwin\home\garamini\hadoop-1.0.4\logs\history to 0755^M > at > org.apache.hadoop.fs.FileUtil.checkReturnValue(FileUtil.java:689)^M > at org.apache.hadoop.fs.FileUtil.setPermission(FileUtil.java:670)^M > at > org.apache.hadoop.fs.RawLocalFileSystem.setPermission(RawLocalFileSystem.java:509)^M > at > org.apache.hadoop.fs.RawLocalFileSystem.mkdirs(RawLocalFileSystem.java:344)^M > at > org.apache.hadoop.fs.FilterFileSystem.mkdirs(FilterFileSystem.java:189)^M > at org.apache.hadoop.mapred.JobHistory.init(JobHistory.java:510)^M > at > org.apache.hadoop.mapred.JobTracker$2.run(JobTracker.java:2334)^M > at > org.apache.hadoop.mapred.JobTracker$2.run(JobTracker.java:2331)^M > at java.security.AccessController.doPrivileged(Native Method)^M > at javax.security.auth.Subject.doAs(Subject.java:415)^M > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1121)^M > at > org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2331)^M > at > org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2192)^M > at > org.apache.hadoop.mapred.JobTracker.<init>(JobTracker.java:2186)^M > at > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:300)^M > at > org.apache.hadoop.mapred.JobTracker.startTracker(JobTracker.java:291)^M > at org.apache.hadoop.mapred.JobTracker.main(JobTracker.java:4978)^M > Thanks > -Gangadhar > > > On Fri, Jan 4, 2013 at 9:45 AM, Nitin Pawar <nitinpawar...@gmail.com>wrote: > >> - Is Ubuntu a good O.S. for running Hadoop? I’ve tried to learn in the >> past using Red Hat & Infosphere Biginsights, but I need a free O.S. >> If you want a free O.S , ubuntu is good but if you are familiar with >> RedHat then you may want to have look at Scientific Linux (Its free as well) >> >> - Is there a way to learn Hadoop without a static IP address? That was >> really a problem for me when dealing with Infosphere, since I travel >> frequently. >> If you got a laptop with you then thats all you need to learn hadoop. >> Hadoop can be installed in a pseudo distributed mode on a single machine >> and you can use it with localhost all the time. >> >> >> On Fri, Jan 4, 2013 at 10:00 PM, Cristian Carranza < >> cristiancarranz...@hotmail.com> wrote: >> >>> Hi all in this list! >>> >>> My name is Cristián Carranza, a statistician and quality consultant that >>> for the second time, intends to learn Hadoop and Big Data related issues. >>> I’am requesting advice in order to plan my learning. >>> I read the page “ Products that include Apache Hadoop or derivative >>> works and Commercial Support” >>> but after that, I am still with doubts. >>> >>> Please, as a newcomer, I want some advice about the following topics: >>> >>> - I want to begin by learning how to find specified strings of text in a >>> hiuge data set (csv, txt format, huge means 10 Gb. >>> - Is Ubuntu a good O.S. for running Hadoop? I’ve tried to learn in the >>> past using Red Hat & Infosphere Biginsights, but I need a free O.S. >>> - Is there a way to learn Hadoop without a static IP address? That was >>> really a problem for me when dealing with Infosphere, since I travel >>> frequently. >>> >>> That’s all for now. >>> Any help will be greatly appreciated. >>> >>> thanks! >>> >>> Cristián Carranza >>> Brazil. >>> >>> >> >> >> >> -- >> Nitin Pawar >> > > -- Nitin Pawar
