[jira] [Created] (AVRO-3129) NPE validating schema with enum types

[Ravindranath Kakarla (Jira)]

Ravindranath Kakarla created AVRO-3129:
------------------------------------------

             Summary: NPE validating schema with enum types
                 Key: AVRO-3129
                 URL: https://issues.apache.org/jira/browse/AVRO-3129
             Project: Apache Avro
          Issue Type: Bug
          Components: java
    Affects Versions: 1.10.2
            Reporter: Ravindranath Kakarla


I ran into a bug with schema validation code that throws unexpected 
NullPointerException when validating a schema with enum type. The bug is 
present in latest version of Avro Java API.

 

Schema to replicate issue:

 

{{{}}
{{ "type": "enum",}}
{{ "name": "Suit",}}
{{ "symbols" : [null]}}
{{}}}

 

{{Replication Steps:}}
 # Validate the above schema using Java API.
 # I used avro-cli for testing but was also able to replicate with API.
 # {{java -jar avro-cli-0.2.7.jar normalize -s ~/tmp/schema.txt}}

{{Exception:}}

 

{{java.lang.NullPointerException: nullat 
org.apache.avro.Schema.validateName(Schema.java:1557) ~[avro-1.10.2.jar:1.10.2]
at org.apache.avro.Schema.access$400(Schema.java:91) ~[avro-1.10.2.jar:1.10.2]
at org.apache.avro.Schema$EnumSchema.<init>(Schema.java:1035) 
~[avro-1.10.2.jar:1.10.2]
at org.apache.avro.Schema.parse(Schema.java:1709) ~[avro-1.10.2.jar:1.10.2]
at org.apache.avro.Schema.parse(Schema.java:1673) ~[avro-1.10.2.jar:1.10.2]
at org.apache.avro.Schema$Parser.parse(Schema.java:1430) 
~[avro-1.10.2.jar:1.10.2]
at org.apache.avro.Schema$Parser.parse(Schema.java:1418) 
~[avro-1.10.2.jar:1.10.2]}}

{{}}

{{As seen in the 
[code|https://github.com/apache/avro/blob/master/lang/java/avro/src/main/java/org/apache/avro/Schema.java#L1557],
 there is no null check on symbol which is causing this.}}



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