ERROR [WebApplicationExceptionMapper] [grizzly-http-server-9] Server error:
java.lang.NullPointerException: null
        at org.apache.pinot.controller.api.resources.PinotSchemaRestletResource.deleteSchemaInternal(PinotSchemaRestletResource.java:380) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.apache.pinot.controller.api.resources.PinotSchemaRestletResource.deleteSchema(PinotSchemaRestletResource.java:137) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at jdk.internal.reflect.GeneratedMethodAccessor286.invoke(Unknown Source) ~[?:?]
        at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:?]
        at java.lang.reflect.Method.invoke(Method.java:566) ~[?:?]
        at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:124) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:167) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:219) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:79) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:469) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:391) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:80) ~[pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:253) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:248) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.internal.Errors$1.call(Errors.java:244) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:292) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:274) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.internal.Errors.process(Errors.java:244) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:232) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:679) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpContainer.service(GrizzlyHttpContainer.java:353) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.grizzly.http.server.HttpHandler$1.run(HttpHandler.java:200) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:569) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at org.glassfish.grizzly.threadpool.AbstractThreadPool$Worker.run(AbstractThreadPool.java:549) [pinot-all-0.9.2-jar-with-dependencies.jar:0.9.2-3e5e5aca07ad796d453add80a2b2b1bf1d654cf1]
        at java.lang.Thread.run(Thread.java:829) [?:?]