Unable to create datasource in WebSphere dmgr console; once the new datasource name and jndi name is specified, on the next page after selecting pre-existing JDBC Provider, the Admin Console gives a blank screen

The Deployment Manager’s SystemOut.log contains the following NPE error:

at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1702)
Caused by: java.lang.NullPointerException
at com.ibm.ws.console.resources.database.jdbc.wizards.
SelectJDBCProviderAction.setErrorMessage(SelectJDBCProviderAction.java
368)
at com.ibm.ws.console.resources.database.jdbc.wizards.
SelectJDBCProviderAction.setErrorMessage(SelectJDBCProviderAction.java
375)
at com.ibm.ws.console.resources.database.jdbc.wizards.
SelectJDBCProviderAction.execute(SelectJDBCProviderAction.java:319)
… 36 more

[7/1/17 9:48:27:557 EDT] 00000088 SystemOut O WSCUrlFilter
exception using CSRFResponseWrapper: javax.servlet.ServletException:
java.lang.NullPointerException
[7/1/17 9:52:59:808 EDT] 00000075 ServletWrappe E com.ibm.ws.
webcontainer.servlet.ServletWrapper service SRVE0014E: Uncaught
service() exception root cause /com.ibm.ws.console.resources.
database/JDBCProviderTemplate.jsp: com.ibm.websphere.servlet.error.
ServletErrorReport: javax.servlet.jsp.JspException: Define tag cannot
set a null value
at org.apache.jasper.runtime.PageContextImpl.handlePageException
(PageContextImpl.java:695)
at _ibmjsp.com_2E_ibm_2E_ws_2E_console_2E_resources_2E_database.
_JDBCProviderTemplate._jspService(_JDBCProviderTemplate.java:918)
at com.ibm.ws.jsp.runtime.HttpJspBase.service(HttpJspBase.java:99)

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