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Adding custom mapper for json processing exception to return bad requ…
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Himank Chaudhary
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Jan 22, 2016
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server/src/main/java/io/druid/server/initialization/jetty/CustomExceptionMapper.java
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/* | ||
* Licensed to Metamarkets Group Inc. (Metamarkets) under one | ||
* or more contributor license agreements. See the NOTICE file | ||
* distributed with this work for additional information | ||
* regarding copyright ownership. Metamarkets 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. | ||
*/ | ||
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package io.druid.server.initialization.jetty; | ||
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import com.fasterxml.jackson.databind.JsonMappingException; | ||
import com.google.common.collect.ImmutableMap; | ||
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import javax.ws.rs.core.Response; | ||
import javax.ws.rs.ext.ExceptionMapper; | ||
import javax.ws.rs.ext.Provider; | ||
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@Provider | ||
public class CustomExceptionMapper implements ExceptionMapper<JsonMappingException> | ||
{ | ||
@Override | ||
public Response toResponse(JsonMappingException exception) | ||
{ | ||
return Response.status(Response.Status.BAD_REQUEST) | ||
.entity(ImmutableMap.of( | ||
"error", | ||
exception.getMessage() == null ? "unknown json mapping exception" : exception.getMessage() | ||
)) | ||
.build(); | ||
} | ||
} |
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