Dilli Arumugam created KNOX-58:
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Summary: NameNode endpoint exposed to gateway clients in runtime
exception
Key: KNOX-58
URL: https://issues.apache.org/jira/browse/KNOX-58
Project: Apache Knox
Issue Type: Bug
Components: Server
Affects Versions: 0.2.0
Environment: Knox gateway server 0.2.0 running on a Mac.
Hadoop cluster running in Sandbox HDP Bombardier2, in VirtualBox 4.2.10.
Reporter: Dilli Arumugam
Fix For: 0.2.0, 0.3.0
Started Sandbox HDP Bombardier2, in VirtualBox 4.2.10, with out of box
hdfs-site.xml in the sandbox
Added the following entry in /etc/hosts
192.168.56.101 vm sandbox
Started ldap server
java -jar bin/ldap.jar conf &
Started gateway server
java -jar bin/server.jar
Started a sample groovy script
java -jar bin/shell.jar samples/ExampleSubmitJob.groovy
The groovy script reported the following stack trace
ocalhost:knox-0.2.0 darumugam$ java -jar bin/shell.jar
samples/ExampleSubmitJob.groovy
Caught: org.apache.hadoop.gateway.shell.HadoopException:
org.apache.hadoop.gateway.shell.ErrorResponse: HTTP/1.1 500
java.security.PrivilegedActionException:
org.apache.http.conn.HttpHostConnectException: Connection to http://vm:50070
refused
org.apache.hadoop.gateway.shell.HadoopException:
org.apache.hadoop.gateway.shell.ErrorResponse: HTTP/1.1 500
java.security.PrivilegedActionException:
org.apache.http.conn.HttpHostConnectException: Connection to http://vm:50070
refused
at
org.apache.hadoop.gateway.shell.AbstractRequest.now(AbstractRequest.java:72)
at org.apache.hadoop.gateway.shell.AbstractRequest$now.call(Unknown
Source)
at ExampleSubmitJob.run(ExampleSubmitJob.groovy:33)
at org.apache.hadoop.gateway.shell.Shell.main(Shell.java:40)
at
org.apache.hadoop.gateway.launcher.Invoker.invokeMainMethod(Invoker.java:64)
at org.apache.hadoop.gateway.launcher.Invoker.invoke(Invoker.java:37)
at org.apache.hadoop.gateway.launcher.Command.run(Command.java:100)
at org.apache.hadoop.gateway.launcher.Launcher.run(Launcher.java:70)
at org.apache.hadoop.gateway.launcher.Launcher.main(Launcher.java:49)
Caused by: org.apache.hadoop.gateway.shell.ErrorResponse: HTTP/1.1 500
java.security.PrivilegedActionException:
org.apache.http.conn.HttpHostConnectException: Connection to http://vm:50070
refused
at org.apache.hadoop.gateway.shell.Hadoop.executeNow(Hadoop.java:107)
at
org.apache.hadoop.gateway.shell.AbstractRequest.execute(AbstractRequest.java:47)
at
org.apache.hadoop.gateway.shell.hdfs.Rm$Request.access$300(Rm.java:32)
at org.apache.hadoop.gateway.shell.hdfs.Rm$Request$1.call(Rm.java:63)
at org.apache.hadoop.gateway.shell.hdfs.Rm$Request$1.call(Rm.java:56)
at
org.apache.hadoop.gateway.shell.AbstractRequest.now(AbstractRequest.java:70)
This implies gateway server is exposing NameNode host and port to the gateway
shell in runtime exception.
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