Github user revans2 commented on a diff in the pull request:

    https://github.com/apache/storm/pull/2752#discussion_r201739243
  
    --- Diff: 
storm-core/src/jvm/org/apache/storm/ui/exceptionmappers/NotAliveExceptionMapper.java
 ---
    @@ -0,0 +1,32 @@
    +/*
    + * Licensed to the Apache Software Foundation (ASF) under one
    + * or more contributor license agreements.  See the NOTICE file
    + * distributed with this work for additional information
    + * regarding copyright ownership.  The ASF licenses this file
    + * to you under the Apache License, Version 2.0 (the
    + * "License"); you may not use this file except in compliance
    + * with the License.  You may obtain a copy of the License at
    + *
    + * http://www.apache.org/licenses/LICENSE-2.0
    + *
    + * Unless required by applicable law or agreed to in writing, software
    + * distributed under the License is distributed on an "AS IS" BASIS,
    + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    + * See the License for the specific language governing permissions and
    + * limitations under the License.
    + */
    +
    +package org.apache.storm.ui.exceptionmappers;
    +
    +import org.apache.storm.generated.NotAliveException;
    +
    +import javax.ws.rs.core.Response;
    +import javax.ws.rs.ext.ExceptionMapper;
    +import javax.ws.rs.ext.Provider;
    +
    +@Provider
    +public class NotAliveExceptionMapper implements 
ExceptionMapper<NotAliveException> {
    +    public Response toResponse(NotAliveException ex) {
    +        return 
Response.status(Response.Status.INTERNAL_SERVER_ERROR).build();
    --- End diff --
    
    Could you file a follow on JIRA to handle this better in both the response 
and in the UI?


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