Hi, Also move the line 'dir = FileOutputFormat.getWorkOutputPath(conf).toString();' to the configure method as the map() is called for every input line.
Thanks Sudhan S On Thu, Sep 1, 2011 at 9:11 AM, Kadu canGica Eduardo <[email protected]>wrote: > Thanks a lot Harsh J. > Now it is working fine! > > > 2011/8/31 Harsh J <[email protected]> > >> Override the "configure" method in your Mapper class to get a handle >> to the proper configuration object. Do not instantiate a new >> Configuration object, as you're doing below: >> >> Wrong: >> >> JobConf conf = new JobConf(new Configuration()); >> >> Right: >> >> @Override >> void configure(Configuration conf) { >> this.conf = conf; >> } >> … >> … >> JobConf conf = new JobConf(conf); >> >> On Thu, Sep 1, 2011 at 5:56 AM, Kadu canGica Eduardo >> <[email protected]> wrote: >> > Hi, >> > >> > what is the right way to use the method getWorkOutputPath from the >> > FileOutputFormat? >> > >> > Here is a sample of my code: >> > >> > public void map(LongWritable key, Text value, OutputCollector<Text, >> Text> >> > output, Reporter reporter) throws IOException { >> > ... >> > JobConf conf = new JobConf(new Configuration()); >> > dir = FileOutputFormat.getWorkOutputPath(conf).toString(); >> > ... >> > >> > i'm getting the "java.lang.NullPointerException" error. >> > >> > what is the solution for this? >> > >> > Thanks in advance. >> > >> > Carlos. >> > >> >> >> >> -- >> Harsh J >> > >
