[Error] Origin http://localhost:4200 is not allowed by Access-Control-Allow-Origin.
[Error] XMLHttpRequest cannot load http://192.168.0.16:9870/webhdfs/v1/user/myuser/myfile.csv?op=CREATE&user.name=myuser&createflag=&createparent=true&overwrite=false due to access control checks.
[Error] Failed to load resource: Origin http://localhost:4200 is not allowed by Access-Control-Allow-Origin. (myfile.csv, line 0)

<property>
  <name>hadoop.http.filter.initializers</name>
  <value>org.apache.hadoop.security.HttpCrossOriginFilterInitializer,org.apache.hadoop.http.lib.StaticUserWebFilter</value>
  <description>A comma separated list of class names. Each class in the list
  must extend org.apache.hadoop.http.FilterInitializer. The corresponding
  Filter will be initialized. Then, the Filter will be applied to all user
  facing jsp and servlet web pages.  The ordering of the list defines the
  ordering of the filters.</description>
</property>



<!-- HTTP CORS support -->
<property>
  <description>Enable/disable the cross-origin (CORS) filter.</description>
  <name>hadoop.http.cross-origin.enabled</name>
  <value>true</value>
</property>

<property>
  <description>Comma separated list of origins that are allowed for web
    services needing cross-origin (CORS) support. Wildcards (*) and patterns
    allowed</description>
  <name>hadoop.http.cross-origin.allowed-origins</name>
  <value>*</value>
</property>

<property>
  <description>Comma separated list of methods that are allowed for web
    services needing cross-origin (CORS) support.</description>
  <name>hadoop.http.cross-origin.allowed-methods</name>
  <value>GET,PUT,POST,HEAD</value>
</property>

<property>
  <description>Comma separated list of headers that are allowed for web
    services needing cross-origin (CORS) support.</description>
  <name>hadoop.http.cross-origin.allowed-headers</name>
  <value>X-Requested-With,Content-Type,Accept,Origin</value>
</property>

<property>
  <description>The number of seconds a pre-flighted request can be cached
    for web services needing cross-origin (CORS) support.</description>
  <name>hadoop.http.cross-origin.max-age</name>
  <value>1800</value>
</property>