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https://issues.apache.org/jira/browse/AVRO-3129?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17337489#comment-17337489
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Ryan Skraba commented on AVRO-3129:
-----------------------------------
Hello! Is the issue that you were expecting a SchemaParseException instead,
due to the null symbol? This seems like an appropriate place to throw a
NullPointerException, and it does describes the (unrecoverable) error in the
schema.
> 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
> Priority: Major
> Original Estimate: 96h
> Remaining Estimate: 96h
>
> 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.
> h4. *Schema to replicate issue:*
> { "type": "enum", "name": "Suit", "symbols" : [null] }
> h4. *{{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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