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https://issues.apache.org/jira/browse/STORM-1504?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15125019#comment-15125019
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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_r51349345
--- Diff:
external/storm-hdfs/src/main/java/org/apache/storm/hdfs/avro/ConfluentAvroSerializer.java
---
@@ -0,0 +1,81 @@
+/**
+ * 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 io.confluent.kafka.schemaregistry.client.CachedSchemaRegistryClient;
+import io.confluent.kafka.schemaregistry.client.SchemaRegistryClient;
+import
io.confluent.kafka.schemaregistry.client.rest.exceptions.RestClientException;
+import org.apache.avro.Schema;
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+/**
+ *
+ */
+public class ConfluentAvroSerializer extends AbstractAvroSerializer {
+
+ private SchemaRegistryClient theClient;
+ final private String url;
+
+ public ConfluentAvroSerializer() throws IOException {
+ //Empty
+ InputStream in =
this.getClass().getClassLoader().getResourceAsStream("ConfluentAvroSerializer.config");
+ BufferedReader reader = new BufferedReader(new
InputStreamReader(in));
+ url = reader.readLine();
+ }
+
+ @Override
+ public String getFingerprint(Schema schema) {
+ if (theClient == null)
+ {
+ theClient = initializeClient();
+ }
+ String subject = schema.getName();
+ final int guid;
+ try {
+ guid = theClient.register(subject, schema);
+ System.out.println("GUID: [" + guid + "]");
--- End diff --
this should be removed
> 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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