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https://issues.apache.org/jira/browse/HBASE-22846?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16913690#comment-16913690
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Wellington Chevreuil commented on HBASE-22846:
----------------------------------------------
Submitted an initial PR for branch-2.1. Noticed additional two issues that may
be good to address in separate jiras:
1) Lack of UTs for resources;
2) REST API documentation in the ref guides don't describe the payload format.
> Internal Error 500 when Using HBASE REST API to Create Namespace.
> -----------------------------------------------------------------
>
> Key: HBASE-22846
> URL: https://issues.apache.org/jira/browse/HBASE-22846
> Project: HBase
> Issue Type: Improvement
> Components: hbase-connectors
> Affects Versions: 2.1.1
> Reporter: Sailesh Patel
> Assignee: Wellington Chevreuil
> Priority: Major
>
> When trying to the following URL to create namespace:
> Secured cluster: curl --negotiate -u : -i -k -vi -X POST
> "http://HBASE_REST_API_HOST:20550/namespaces/datasparktest";
> UnSecured cluster: curl -vi -X POST
> "http://HBASE_REST_API_HOST:20550/namespaces/datasparktest";
> The following is returned on the console:
> HTTP/1.1 500 Request failed.
> The Error in Hbase REST Server log is:
> 2019-08-13 15:44:55,080 WARN org.eclipse.jetty.servlet.ServletHandler:
> javax.servlet.ServletException: java.lang.NullPointerException
> at
> org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:489)
> at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
> ...
> Caused by: java.lang.NullPointerException
> at
> org.apache.hadoop.hbase.rest.NamespacesInstanceResource.createOrUpdate(NamespacesInstanceResource.java:250)
> at
> org.apache.hadoop.hbase.rest.NamespacesInstanceResource.processUpdate(NamespacesInstanceResource.java:243)
> at
> org.apache.hadoop.hbase.rest.NamespacesInstanceResource.post(NamespacesInstanceResource.java:183)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
> at
> org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
>
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