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From "Yongjun Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-8337) httpfs doesn't work with creates from a jar with kerberos
Date Thu, 07 May 2015 06:59:00 GMT
Yongjun Zhang created HDFS-8337:
-----------------------------------

             Summary: httpfs doesn't work with creates from a jar with kerberos
                 Key: HDFS-8337
                 URL: https://issues.apache.org/jira/browse/HDFS-8337
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: HDFS, hdfs-client
            Reporter: Yongjun Zhang
            Assignee: Yongjun Zhang


In a secure cluster, running a simple program:

{code}
import org.apache.hadoop.conf.*; 
import org.apache.hadoop.fs.*; 
import org.apache.hadoop.security.*;
class Foo { 
  public static void main(String args[]) throws Exception { 
    FileSystem fs = FileSystem.get(new java.net.URI("webhdfs://<host>:14000/"), new
Configuration()); 
    System.out.println(fs.listStatus(new Path("/"))[0]); 
    java.io.OutputStream os = fs.create(new Path("/tmp/foo")); 
    os.write('a'); 
    os.close(); 
  } 
} 
{code}

Basically to access httpfs via webhdfs, the following exception is thrown:

{code}
[systest@yj52s ~]$ /usr/java/jdk1.7.0_67-cloudera/bin/java -cp $(hadoop classpath):. Foo
15/05/06 23:51:38 WARN ssl.FileBasedKeyStoresFactory: The property 'ssl.client.truststore.location'
has not been set, no TrustStore will be loaded
Exception in thread "main" org.apache.hadoop.ipc.RemoteException(com.sun.jersey.api.ParamException$QueryParamException):
java.lang.IllegalArgumentException: No enum constant org.apache.hadoop.fs.http.client.HttpFSFileSystem.Operation.GETDELEGATIONTOKEN
	at org.apache.hadoop.hdfs.web.JsonUtil.toRemoteException(JsonUtil.java:163)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:354)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:91)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:608)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:458)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:487)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:483)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:1299)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:237)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getAuthParameters(WebHdfsFileSystem.java:423)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toUrl(WebHdfsFileSystem.java:444)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractFsPathRunner.getUrl(WebHdfsFileSystem.java:691)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:603)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:458)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:487)
	at java.security.AccessController.doPrivileged(Native Method)
	at javax.security.auth.Subject.doAs(Subject.java:415)
	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1614)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:483)
	at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.listStatus(WebHdfsFileSystem.java:1277)
	at Foo.main(Foo.java:7)
{code}

Thanks [~qwertymaniac] and [~caseyjbrotherton] for reporting the issue.




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