[HBASE-22846] Internal Error 500 when Using HBASE REST API to Create Namespace.

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha-1, 2.2.0, 2.1.1
• Fix Version/s: 3.0.0-alpha-1, 2.3.0, 2.1.7, 2.2.2
• Component/s: hbase-connectors
• Assignee: Wellington Chevreuil
• Reporter: Sailesh Patel
• Created: 13/Aug/19 22:48
• Updated: 16/Oct/19 10:25
• Resolved: 17/Sep/19 09:54

Description

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)

 

Issue Links

• links to: GitHub Pull Request #524