NPE during call generated REST service from browser

See also discussion at https://community.jboss.org/thread/219690

Teiid 8.2

Example from https://docs.jboss.org/author/display/teiid82final/REST+Service+Through+VDB

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>

<vdb name="sample" version="1">

 

    <property name="UseConnectorMetadata" value="true" />

    <property name="{http://teiid.org/rest}auto-generate" value="true"/>

    <property name="{http://teiid.org/rest}security-type" value="HttpBasic"/>

    <property name="{http://teiid.org/rest}security-domain" value="teiid-security"/>

    <property name="{http://teiid.org/rest}security-role" value="example-role"/>

    <property name="{http://teiid.org/rest}passthrough-auth" value="true"/>

 

    <model name="PM1">

        <source name="text-connector" translator-name="loopback" />

         <metadata type="DDL"><![CDATA[

                CREATE FOREIGN TABLE G1 (e1 string, e2 integer);

                CREATE FOREIGN TABLE G2 (e1 string, e2 integer);

        ]]> </metadata>

    </model>

    <model name="View" type ="VIRTUAL">

         <metadata type="DDL"><![CDATA[

            SET NAMESPACE 'http://teiid.org/rest' AS REST;

            CREATE VIRTUAL PROCEDURE g1Table(IN p1 integer) RETURNS TABLE (xml_out xml) OPTIONS (UPDATECOUNT 0, "REST:METHOD" 'GET', "REST:URI" 'g1/{p1}')

            AS

            BEGIN

                SELECT XMLELEMENT(NAME "rows", XMLATTRIBUTES (g1Table.p1 as p1), XMLAGG(XMLELEMENT(NAME "row", XMLFOREST(e1, e2)))) AS xml_out FROM PM1.G1;

            END

            ]]> </metadata>

    </model>

 

</vdb>

Open URL: http://localhost:8080/sample_1/view/g1/1

Error log was generated:

org.jboss.resteasy.spi.UnhandledException: java.lang.NullPointerException

org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:340)

org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214)

org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190)

org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:540)

org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)

org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)

org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)

org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)

org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)

javax.servlet.http.HttpServlet.service(HttpServlet.java:847)

root cause

java.lang.NullPointerException
org.teiid.jboss.rest.TeiidRSProvider.execute(TeiidRSProvider.java:64)
org.teiid.jboss.rest.View.g1Tableapplication_xml(Unknown Source)
sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
java.lang.reflect.Method.invoke(Method.java:597)
org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)
org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)
org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)
org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)
org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)
org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)
org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)
org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)
javax.servlet.http.HttpServlet.service(HttpServlet.java:847)