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https://issues.apache.org/jira/browse/AVRO-1872?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15358413#comment-15358413
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Matthieu Monsch commented on AVRO-1872:
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Thanks for the nice example! This last error seems to be a bug in the library
actually, I'll fix this.
> Using union in nodejs, when has several different names in the union's record
> will report the Error at this time: ambiguous unwrapped the union, but the
> same protocol in Java: no problem
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AVRO-1872
> URL: https://issues.apache.org/jira/browse/AVRO-1872
> Project: Avro
> Issue Type: Bug
> Components: java, javascript, js
> Affects Versions: 1.8.1
> Environment: node.js
> Reporter: Chunfy.Tseng
> Assignee: Matthieu Monsch
>
> protocol eg:
> {
> "protocol": "Test",
> "namespace": "test.avro",
> "types": [
> {
> "type": "record",
> "name": "AAA",
> "fields": [
> {
> "name": "a",
> "type": "string"
> }
> ]
> },
> {
> "type": "record",
> "name": "BBB",
> "fields": [
> {
> "name": "b",
> "type": "string"
> },
> {
> "name": "a",
> "type": "AAA"
> }
> ]
> },
> {
> "type": "record",
> "name": "CCC",
> "fields": [
> {
> "name": "c",
> "type": "string"
> },
> {
> "name": "t",
> "type": "int"
> }
> ]
> },
> {
> "type": "record",
> "name": "DDD",
> "fields": [
> {
> "name": "temp",
> "type": "string"
> },
> {
> "name": "d",
> "type": [
> "null",
> "BBB",
> "CCC"
> ]
> }
> ]
> }
> ],
> "messages": {}
> }
> in java use cmd:java -jar D:\workspace-mars2\Avro\lib\avro-tools-1.8.1.jar
> compile protocol D:\new\Test.avpr D:\new is ok.
> but in node.js code:
> var avro = require("D:\\Soft\\nodejs\\node_modules\\avsc");
> var protocol = avro.parse("./Test.avpr");
> Prompt error message as below:
> D:\Soft\nodejs\node_modules\avsc\lib\types.js:918
> throw new Error(f('ambiguous unwrapped union: %j', this));
> Error: ambiguous unwrapped
> union:["null",{"name":"test.avro.BBB","type":"record","fields":[{"name":"b","type":"string","order":"ascending","aliases":[]},{"name":"a","type":{"name":"test.avro.AAA","type":"record","fields":[{"name":"a","type":"string","order":"ascending","aliases":[]}],"aliases":[]},"order":"ascending","aliases":[]}],"aliases":[]},{"name":"test.avro.CCC","type":"record","fields":[{"name":"c","type":"string","order":"ascending","aliases":[]},{"name":"t","type":"int","order":"ascending","aliases":[]}],"aliases":[]}]
> it is bug?
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