It would be good if I could have a look on the files. Meantime try some
other directories. Also, check the directory permissions once.
Regards,
Mohammad Tariq
On Mon, Nov 19, 2012 at 8:13 PM, kashif khan <drkashif8...@gmail.com> wrote:
>
> I have tried through root user and made the following changes:
>
>
> Path inputFile = new Path("/usr/Eclipse/Output.csv");
> Path outputFile = new Path("/user/root/Output1.csv");
>
> No result. The following is the log output. The log shows the destination
> is null.
>
>
> 2012-11-19 14:36:38,960 INFO FSNamesystem.audit: allowed=true ugi=dr.who
> (auth:SIMPLE) ip=/134.91.36.41 cmd=getfileinfo src=/user
> dst=null perm=null
> 2012-11-19 14:36:38,977 INFO FSNamesystem.audit: allowed=true ugi=dr.who
> (auth:SIMPLE) ip=/134.91.36.41 cmd=listStatus src=/user
> dst=null perm=null
> 2012-11-19 14:36:39,933 INFO FSNamesystem.audit: allowed=true ugi=hbase
> (auth:SIMPLE) ip=/134.91.36.41 cmd=listStatus src=/hbase/.oldlogs
> dst=null perm=null
> 2012-11-19 14:36:41,147 INFO FSNamesystem.audit: allowed=true ugi=dr.who
> (auth:SIMPLE) ip=/134.91.36.41 cmd=getfileinfo src=/user/root
> dst=null perm=null
> 2012-11-19 14:36:41,229 INFO FSNamesystem.audit: allowed=true ugi=dr.who
> (auth:SIMPLE) ip=/134.91.36.41 cmd=listStatus src=/user/root
> dst=null perm=null
>
>
> Thanks
>
>
>
>
>
>
> On Mon, Nov 19, 2012 at 2:29 PM, kashif khan <drkashif8...@gmail.com>wrote:
>
>> Yeah, My cluster running. When brows http://hadoop1.example.com:
>> 50070/dfshealth.jsp. I am getting the main page. Then click on Brows file
>> system. I am getting the following:
>>
>> hbase
>> tmp
>> user
>>
>> And when click on user getting:
>>
>> beeswax
>> huuser (I have created)
>> root (I have created)
>>
>> Would you like to see my configuration file. As did not change any
>> things, all by default. I have installed CDH4.1 and running on VMs.
>>
>> Many thanks
>>
>>
>>
>>
>>
>> On Mon, Nov 19, 2012 at 2:04 PM, Mohammad Tariq <donta...@gmail.com>wrote:
>>
>>> Is your cluster running fine? Are you able to browse Hdfs through the
>>> Hdfs Web Console at 50070?
>>>
>>> Regards,
>>> Mohammad Tariq
>>>
>>>
>>>
>>> On Mon, Nov 19, 2012 at 7:31 PM, kashif khan <drkashif8...@gmail.com>wrote:
>>>
>>>> Many thanks.
>>>>
>>>> I have changed the program accordingly. It does not show any error but
>>>> one warring , but when I am browsing the HDFS folder, file is not copied.
>>>>
>>>>
>>>> public class CopyData {
>>>> public static void main(String[] args) throws IOException{
>>>> Configuration conf = new Configuration();
>>>> //Configuration configuration = new Configuration();
>>>> //configuration.addResource(new
>>>> Path("/home/mohammad/hadoop-0.20.205/conf/core-site.xml"));
>>>> //configuration.addResource(new
>>>> Path("/home/mohammad/hadoop-0.20.205/conf/hdfs-site.xml"));
>>>>
>>>> conf.addResource(new Path("/etc/hadoop/conf/core-site.xml"));
>>>> conf.addResource(new Path ("/etc/hadoop/conf/hdfs-site.xml"));
>>>> FileSystem fs = FileSystem.get(conf);
>>>> Path inputFile = new Path("/usr/Eclipse/Output.csv");
>>>> Path outputFile = new Path("/user/hduser/Output1.csv");
>>>> fs.copyFromLocalFile(inputFile, outputFile);
>>>> fs.close();
>>>> }
>>>> }
>>>>
>>>> 19-Nov-2012 13:50:32 org.apache.hadoop.util.NativeCodeLoader <clinit>
>>>> WARNING: Unable to load native-hadoop library for your platform...
>>>> using builtin-java classes where applicable
>>>>
>>>> Have any idea?
>>>>
>>>> Many thanks
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> On Mon, Nov 19, 2012 at 1:18 PM, Mohammad Tariq <donta...@gmail.com>wrote:
>>>>
>>>>> If it is just copying the files without any processing or change, you
>>>>> can use something like this :
>>>>>
>>>>> public class CopyData {
>>>>>
>>>>> public static void main(String[] args) throws IOException{
>>>>>
>>>>> Configuration configuration = new Configuration();
>>>>> configuration.addResource(new
>>>>> Path("/home/mohammad/hadoop-0.20.205/conf/core-site.xml"));
>>>>> configuration.addResource(new
>>>>> Path("/home/mohammad/hadoop-0.20.205/conf/hdfs-site.xml"));
>>>>> FileSystem fs = FileSystem.get(configuration);
>>>>> Path inputFile = new Path("/home/mohammad/pc/work/FFT.java");
>>>>> Path outputFile = new Path("/mapout/FFT.java");
>>>>> fs.copyFromLocalFile(inputFile, outputFile);
>>>>> fs.close();
>>>>> }
>>>>> }
>>>>>
>>>>> Obviously you have to modify it as per your requirements like
>>>>> continuously polling the targeted directory for new files.
>>>>>
>>>>> Regards,
>>>>> Mohammad Tariq
>>>>>
>>>>>
>>>>>
>>>>> On Mon, Nov 19, 2012 at 6:23 PM, kashif khan
>>>>> <drkashif8...@gmail.com>wrote:
>>>>>
>>>>>> Thanks M Tariq
>>>>>>
>>>>>> As I am new in Java and Hadoop and have no much experience. I am
>>>>>> trying to first write a simple program to upload data into HDFS and
>>>>>> gradually move forward. I have written the following simple program to
>>>>>> upload the file into HDFS, I dont know why it does not working. could
>>>>>> you
>>>>>> please check it, if have time.
>>>>>>
>>>>>> import java.io.BufferedInputStream;
>>>>>> import java.io.BufferedOutputStream;
>>>>>> import java.io.File;
>>>>>> import java.io.FileInputStream;
>>>>>> import java.io.FileOutputStream;
>>>>>> import java.io.IOException;
>>>>>> import java.io.InputStream;
>>>>>> import java.io.OutputStream;
>>>>>> import java.nio.*;
>>>>>> //import java.nio.file.Path;
>>>>>>
>>>>>> import org.apache.hadoop.conf.Configuration;
>>>>>> import org.apache.hadoop.fs.FSDataInputStream;
>>>>>> import org.apache.hadoop.fs.FSDataOutputStream;
>>>>>> import org.apache.hadoop.fs.FileSystem;
>>>>>> import org.apache.hadoop.fs.Path;
>>>>>> public class hdfsdata {
>>>>>>
>>>>>>
>>>>>> public static void main(String [] args) throws IOException
>>>>>> {
>>>>>> try{
>>>>>>
>>>>>>
>>>>>> Configuration conf = new Configuration();
>>>>>> conf.addResource(new Path("/etc/hadoop/conf/core-site.xml"));
>>>>>> conf.addResource(new Path ("/etc/hadoop/conf/hdfs-site.xml"));
>>>>>> FileSystem fileSystem = FileSystem.get(conf);
>>>>>> String source = "/usr/Eclipse/Output.csv";
>>>>>> String dest = "/user/hduser/input/";
>>>>>>
>>>>>> //String fileName = source.substring(source.lastIndexOf('/') +
>>>>>> source.length());
>>>>>> String fileName = "Output1.csv";
>>>>>>
>>>>>> if (dest.charAt(dest.length() -1) != '/')
>>>>>> {
>>>>>> dest = dest + "/" +fileName;
>>>>>> }
>>>>>> else
>>>>>> {
>>>>>> dest = dest + fileName;
>>>>>>
>>>>>> }
>>>>>> Path path = new Path(dest);
>>>>>>
>>>>>>
>>>>>> if(fileSystem.exists(path))
>>>>>> {
>>>>>> System.out.println("File" + dest + " already exists");
>>>>>> }
>>>>>>
>>>>>>
>>>>>> FSDataOutputStream out = fileSystem.create(path);
>>>>>> InputStream in = new BufferedInputStream(new FileInputStream(new
>>>>>> File(source)));
>>>>>> File myfile = new File(source);
>>>>>> byte [] b = new byte [(int) myfile.length() ];
>>>>>> int numbytes = 0;
>>>>>> while((numbytes = in.read(b)) >= 0)
>>>>>>
>>>>>> {
>>>>>> out.write(b,0,numbytes);
>>>>>> }
>>>>>> in.close();
>>>>>> out.close();
>>>>>> //bos.close();
>>>>>> fileSystem.close();
>>>>>> }
>>>>>> catch(Exception e)
>>>>>> {
>>>>>>
>>>>>> System.out.println(e.toString());
>>>>>> }
>>>>>> }
>>>>>>
>>>>>> }
>>>>>>
>>>>>>
>>>>>> Thanks again,
>>>>>>
>>>>>> Best regards,
>>>>>>
>>>>>> KK
>>>>>>
>>>>>>
>>>>>>
>>>>>> On Mon, Nov 19, 2012 at 12:41 PM, Mohammad Tariq
>>>>>> <donta...@gmail.com>wrote:
>>>>>>
>>>>>>> You can set your cronjob to execute the program after every 5 sec.
>>>>>>>
>>>>>>> Regards,
>>>>>>> Mohammad Tariq
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Mon, Nov 19, 2012 at 6:05 PM, kashif khan <drkashif8...@gmail.com
>>>>>>> > wrote:
>>>>>>>
>>>>>>>> Well, I want to automatically upload the files as the files are
>>>>>>>> generating about every 3-5 sec and each file has size about 3MB.
>>>>>>>>
>>>>>>>> Is it possible to automate the system using put or cp command?
>>>>>>>>
>>>>>>>> I read about the flume and webHDFS but I am not sure it will work
>>>>>>>> or not.
>>>>>>>>
>>>>>>>> Many thanks
>>>>>>>>
>>>>>>>> Best regards
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Mon, Nov 19, 2012 at 12:26 PM, Alexander Alten-Lorenz <
>>>>>>>> wget.n...@gmail.com> wrote:
>>>>>>>>
>>>>>>>>> Hi,
>>>>>>>>>
>>>>>>>>> Why do you don't use HDFS related tools like put or cp?
>>>>>>>>>
>>>>>>>>> - Alex
>>>>>>>>>
>>>>>>>>> On Nov 19, 2012, at 11:44 AM, kashif khan <drkashif8...@gmail.com>
>>>>>>>>> wrote:
>>>>>>>>>
>>>>>>>>> > HI,
>>>>>>>>> >
>>>>>>>>> > I am generating files continuously in local folder of my base
>>>>>>>>> machine. How
>>>>>>>>> > I can now use the flume to stream the generated files from local
>>>>>>>>> folder to
>>>>>>>>> > HDFS.
>>>>>>>>> > I dont know how exactly configure the sources, sinks and hdfs.
>>>>>>>>> >
>>>>>>>>> > 1) location of folder where files are generating:
>>>>>>>>> /usr/datastorage/
>>>>>>>>> > 2) name node address: htdfs://hadoop1.example.com:8020
>>>>>>>>> >
>>>>>>>>> > Please let me help.
>>>>>>>>> >
>>>>>>>>> > Many thanks
>>>>>>>>> >
>>>>>>>>> > Best regards,
>>>>>>>>> > KK
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Alexander Alten-Lorenz
>>>>>>>>> http://mapredit.blogspot.com
>>>>>>>>> German Hadoop LinkedIn Group: http://goo.gl/N8pCF
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>
>>>>>
>>>>
>>>
>>
>
