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From Tim Robertson <timrobertson...@gmail.com>
Subject Undefined name: "enum"
Date Mon, 02 Aug 2010 15:46:33 GMT
Hi all,

I am new to avro, and using it to implement an http RPC transport
layer to allow distributed components to push to a centralised event
log.

I have the following types in my .avpr:

 "types": [
     {"name": "Event", "type": "record",
      "fields": [
          {"name": "message", "type": "string"},
          {
          	"type": "enum",
          	"name": "sourceComponentType",
          	"symbols" : ["OCCURRENCE_HARVESTER", "CHECKLIST_HARVESTER", "USER"]
          },
          {"name": "instanceId", "type": "string"},
          {"name": "sessionId", "type": "string", "default": null},
          {"name": "count", "type": "int", "default": 0},
          {"name": "sourceId", "type": "string"},
          {"name": "userId", "type": "string"},
          {
          	"type": "enum",
          	"name": "level",
          	"symbols" : ["DEBUG", "INFO", "WARN", "ERROR"]
          },
          {"name": "agentId", "type": "string"},
          {
          	"type": "enum",
          	"name": "objectType",
          	"symbols" : ["OCCURRENCE", "NAME_USAGE"]
          },
          {"name": "objectId", "type": "string"},
          {"name": "message", "type": "string"},
          {"name": "sensitive", "type": "boolean", "default": "false"}
      ]
     }

but on protocol compilation get:

org.apache.avro.SchemaParseException: Undefined name: "enum"
	at org.apache.avro.Schema.parse(Schema.java:876)
	at org.apache.avro.Schema.parse(Schema.java:912)
	at org.apache.avro.Protocol.parseTypes(Protocol.java:325)
	at org.apache.avro.Protocol.parse(Protocol.java:288)
	at org.apache.avro.Protocol.parse(Protocol.java:278)
	at org.apache.avro.Protocol.parse(Protocol.java:262)
	at org.apache.avro.specific.SpecificCompiler.compileProtocol(SpecificCompiler.java:104)
	at org.apache.avro.mojo.AvroMojo.execute(AvroMojo.java:163)
	at org.apache.maven.plugin.DefaultPluginManager.executeMojo(DefaultPluginManager.java:490)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalWithLifecycle(DefaultLifecycleExecutor.java:556)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:535)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
	at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
	at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
	at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
	at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
	at org.apache.maven.cli.compat.CompatibleMain.main(CompatibleMain.java:60)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
	at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
	at org.codehaus.classworlds.Launcher.mainWithExitCode(Launcher.java:430)
	at org.codehaus.classworlds.Launcher.main(Launcher.java:375)


Can someone spot an error please?  I'm on 1.3.3 and just copied the
example in the docs on
http://avro.apache.org/docs/1.3.3/spec.html#Enums

Thanks,
Tim

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