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NOTICE: This version of the NSF Unidata web site (archive.unidata.ucar.edu) is no longer being updated.
Current content can be found at unidata.ucar.edu.
To learn about what's going on, see About the Archive Site.
Dear Sean,
I am getting the below error when i use the netcdf-all jar on my hadoop
project for analysing the nc file . Kindly help me in identifying the issue
.
ucar.httpservices.HTTPException: ucar.httpservices.HTTPException:
org.apache.http.conn.UnsupportedSchemeException: hdfs protocol is not
supported
at ucar.httpservices.HTTPMethod.execute(HTTPMethod.java:335)
at ucar.nc2.dataset.NetcdfDataset.checkIfDods(NetcdfDataset.java:864)
at
ucar.nc2.dataset.NetcdfDataset.disambiguateHttp(NetcdfDataset.java:820)
at
ucar.nc2.dataset.NetcdfDataset.openOrAcquireFile(NetcdfDataset.java:706)
at ucar.nc2.dataset.NetcdfDataset.openDataset(NetcdfDataset.java:427)
at ucar.nc2.dataset.NetcdfDataset.acquireDataset(NetcdfDataset.java:528)
at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:117)
at ucar.nc2.dt.grid.GridDataset.open(GridDataset.java:103)
at
tvl.bd.climate.recordreader.MyRecordReader.initialize(MyRecordReader.java:46)
at
org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.initialize(MapTask.java:521)
at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:763)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:364)
at org.apache.hadoop.mapred.Child$4.run(Child.java:255)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:422)
at
org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1190)
at org.apache.hadoop.mapred.Child.main(Child.java:249)
Caused by: ucar.httpservices.HTTPException:
org.apache.http.conn.UnsupportedSchemeException: hdfs protocol is not
supported
at ucar.httpservices.HTTPSession.execute(HTTPSession.java:1136)
at ucar.httpservices.HTTPMethod.execute(HTTPMethod.java:326)
... 16 more
Caused by: org.apache.http.conn.UnsupportedSchemeException: hdfs
protocol is not supported
at
org.apache.http.impl.conn.DefaultHttpClientConnectionOperator.connect(DefaultHttpClientConnectionOperator.java:108)
at
org.apache.http.impl.conn.PoolingHttpClientConnectionManager.connect(PoolingHttpClientConnectionManager.java:353)
at
org.apache.http.impl.execchain.MainClientExec.establishRoute(MainClientExec.java:380)
at
org.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:236)
at
org.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
at org.apache.http.impl.execchain.RetryExec.execute(RetryExec.java:88)
at
org.apache.http.impl.execchain.RedirectExec.execute(RedirectExec.java:110)
at
org.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
at
org.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:71)
at ucar.httpservices.HTTPSession.execute(HTTPSession.java:1134)
Regards,
Sashi
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