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https://issues.apache.org/jira/browse/STORM-1504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125237#comment-15125237
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ASF GitHub Bot commented on STORM-1504:
---------------------------------------
Github user abhishekagarwal87 commented on a diff in the pull request:
https://github.com/apache/storm/pull/1052#discussion_r51356078
--- Diff:
external/storm-hdfs/src/main/java/org/apache/storm/hdfs/avro/DefinedAvroSerializer.java
---
@@ -0,0 +1,62 @@
+/**
+ * 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.hdfs.avro;
+
+import org.apache.avro.Schema;
+import org.apache.avro.SchemaNormalization;
+import org.apache.commons.codec.binary.Base64;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.security.NoSuchAlgorithmException;
+import java.util.HashMap;
+import java.util.Map;
+
+public class DefinedAvroSerializer extends AbstractAvroSerializer {
+
+ private final static String FP_ALGO = "CRC-64-AVRO";
+ final Map<String, Schema> fingerprint2schemaMap = new HashMap<>();
+ final Map<Schema, String> schema2fingerprintMap = new HashMap<>();
+
+ public DefinedAvroSerializer() throws IOException,
NoSuchAlgorithmException {
--- End diff --
this class still uses the default constructor. Apart from this, +1
non-binding from me.
> AvroGenericRecordBolt will not work in a topology with multiple workers
> -----------------------------------------------------------------------
>
> Key: STORM-1504
> URL: https://issues.apache.org/jira/browse/STORM-1504
> Project: Apache Storm
> Issue Type: Bug
> Reporter: Aaron Dossett
> Assignee: Aaron Dossett
> Priority: Critical
>
> It receives Avro GenericRecord objects, which leads to serialization errors
> in a multi-worker topology. Specifically, GenericData.Record will throw a
> serialization error.
> A serializer for this class should be added and registered.
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