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https://issues.apache.org/jira/browse/HDFS-3959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13459149#comment-13459149
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Eli Collins commented on HDFS-3959:
-----------------------------------
Here's all the warnings:
Sep 17, 2012 5:01:28 PM com.sun.jersey.api.core.PackagesResourceConfig init
INFO: Scanning for root resource and provider classes in the packages:
org.apache.hadoop.hdfs.server.namenode.web.resources
org.apache.hadoop.hdfs.web.resources
Sep 17, 2012 5:01:28 PM com.sun.jersey.api.core.ScanningResourceConfig
logClasses
INFO: Root resource classes found:
class
org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods
Sep 17, 2012 5:01:28 PM com.sun.jersey.api.core.ScanningResourceConfig
logClasses
INFO: Provider classes found:
class org.apache.hadoop.hdfs.web.resources.UserProvider
class org.apache.hadoop.hdfs.web.resources.ExceptionHandler
Sep 17, 2012 5:01:28 PM
com.sun.jersey.server.impl.application.WebApplicationImpl _initiate
INFO: Initiating Jersey application, version 'Jersey: 1.8 06/24/2011 12:17 PM'
Sep 17, 2012 5:01:29 PM com.sun.jersey.spi.inject.Errors processErrorMessages
WARNING: The following warnings have been detected with resource
and/or provider classes:
WARNING: A sub-resource method, public javax.ws.rs.core.Response
org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.getRoot(org.apache.hadoop.security.UserGroupInformation,org.apache.hadoop.hdfs.web.resources.DelegationParam,org.apache.hadoop.hdfs.web.resources.UserParam,org.apache.hadoop.hdfs.web.resources.DoAsParam,org.apache.hadoop.hdfs.web.resources.GetOpParam,org.apache.hadoop.hdfs.web.resources.OffsetParam,org.apache.hadoop.hdfs.web.resources.LengthParam,org.apache.hadoop.hdfs.web.resources.RenewerParam,org.apache.hadoop.hdfs.web.resources.BufferSizeParam)
throws java.io.IOException,java.lang.InterruptedException, with URI
template, "/", is treated as a resource method
WARNING: A sub-resource method, public javax.ws.rs.core.Response
org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.putRoot(org.apache.hadoop.security.UserGroupInformation,org.apache.hadoop.hdfs.web.resources.DelegationParam,org.apache.hadoop.hdfs.web.resources.UserParam,org.apache.hadoop.hdfs.web.resources.DoAsParam,org.apache.hadoop.hdfs.web.resources.PutOpParam,org.apache.hadoop.hdfs.web.resources.DestinationParam,org.apache.hadoop.hdfs.web.resources.OwnerParam,org.apache.hadoop.hdfs.web.resources.GroupParam,org.apache.hadoop.hdfs.web.resources.PermissionParam,org.apache.hadoop.hdfs.web.resources.OverwriteParam,org.apache.hadoop.hdfs.web.resources.BufferSizeParam,org.apache.hadoop.hdfs.web.resources.ReplicationParam,org.apache.hadoop.hdfs.web.resources.BlockSizeParam,org.apache.hadoop.hdfs.web.resources.ModificationTimeParam,org.apache.hadoop.hdfs.web.resources.AccessTimeParam,org.apache.hadoop.hdfs.web.resources.RenameOptionSetParam,org.apache.hadoop.hdfs.web.resources.CreateParentParam,org.apache.hadoop.hdfs.web.resources.TokenArgumentParam)
throws java.io.IOException,java.lang.InterruptedException, with URI
template, "/", is treated as a resource method
WARNING: A sub-resource method, public javax.ws.rs.core.Response
org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.postRoot(org.apache.hadoop.security.UserGroupInformation,org.apache.hadoop.hdfs.web.resources.DelegationParam,org.apache.hadoop.hdfs.web.resources.UserParam,org.apache.hadoop.hdfs.web.resources.DoAsParam,org.apache.hadoop.hdfs.web.resources.PostOpParam,org.apache.hadoop.hdfs.web.resources.BufferSizeParam)
throws java.io.IOException,java.lang.InterruptedException, with URI
template, "/", is treated as a resource method
WARNING: A sub-resource method, public javax.ws.rs.core.Response
org.apache.hadoop.hdfs.server.namenode.web.resources.NamenodeWebHdfsMethods.deleteRoot(org.apache.hadoop.security.UserGroupInformation,org.apache.hadoop.hdfs.web.resources.DelegationParam,org.apache.hadoop.hdfs.web.resources.UserParam,org.apache.hadoop.hdfs.web.resources.DoAsParam,org.apache.hadoop.hdfs.web.resources.DeleteOpParam,org.apache.hadoop.hdfs.web.resources.RecursiveParam)
throws java.io.IOException,java.lang.InterruptedException, with URI
template, "/", is treated as a resource method
> Jersey warnings due to WebHDFS binding "/"
> -------------------------------------------
>
> Key: HDFS-3959
> URL: https://issues.apache.org/jira/browse/HDFS-3959
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: webhdfs
> Affects Versions: 2.0.0-alpha
> Reporter: Eli Collins
> Priority: Minor
>
> Looked at NN stdout recently for a webhdfs-enabled cluster and noticed a
> bunch of jersery warnings like the following:
> {noformat}
> WARNING: A sub-resource method, public javax.ws.rs.core.Response
> with URI template, "/", is treated as a resource method
> {noformat}
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