[GitHub] [pulsar] merlimat commented on a change in pull request #3840: [issue 3838] [schema] : Allow incompatible schemas to co-exist on a topic

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merlimat commented on a change in pull request #3840: [issue 3838] [schema] : Allow incompatible schemas to co-exist on a topic
URL: https://github.com/apache/pulsar/pull/3840#discussion_r266211447
 
 

 ##########
 File path: pulsar-broker/src/main/java/org/apache/pulsar/broker/service/schema/AlwaysSchemaValidator.java
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 @@ -0,0 +1,21 @@
+package org.apache.pulsar.broker.service.schema;
+
+import org.apache.avro.Schema;
+import org.apache.avro.SchemaValidationException;
+import org.apache.avro.SchemaValidator;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * An avro schema validator that always reports as compatible.
+ */
+class AlwaysSchemaValidator implements SchemaValidator {
+    private final static Logger log = LoggerFactory.getLogger(AlwaysSchemaValidator.class);
 
 Review comment:
   nit: logger not used here

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