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https://issues.apache.org/jira/browse/PIG-2209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13144155#comment-13144155
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Olga Natkovich commented on PIG-2209:
-------------------------------------
My main concern is backward compatibility. In use cases at Yahoo, we trained
users to provide name and type of the data during load time. Are we sure (and
do we have enough use cases) that they will still see the names and types they
requested?
I think for 10, we should turn it off by default and see if it make sense to
switch that down the road.
> JsonMetadata fails to find schema for glob paths
> ------------------------------------------------
>
> Key: PIG-2209
> URL: https://issues.apache.org/jira/browse/PIG-2209
> Project: Pig
> Issue Type: Bug
> Affects Versions: 0.10
> Reporter: Dmitriy V. Ryaboy
> Assignee: Dmitriy V. Ryaboy
> Priority: Blocker
> Fix For: 0.10
>
>
> JsonMetadata, used in PigStorage to work with serialized schemas, does not
> correctly interpret paths like '/foo/bar/{1,2,3}' and throws an exception:
> {code}
> Caused by: org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1131:
> Could not find schema file for file:///foo/bar/{1,2}
> at
> org.apache.pig.builtin.JsonMetadata.nullOrException(JsonMetadata.java:217)
> at org.apache.pig.builtin.JsonMetadata.getSchema(JsonMetadata.java:186)
> at org.apache.pig.builtin.PigStorage.getSchema(PigStorage.java:438)
> at
> org.apache.pig.newplan.logical.relational.LOLoad.getSchemaFromMetaData(LOLoad.java:150)
> ... 17 more
> Caused by: java.io.IOException: Unable to read file:///foo/bar/z/{1,2}
> at
> org.apache.pig.builtin.JsonMetadata.findMetaFile(JsonMetadata.java:106)
> at org.apache.pig.builtin.JsonMetadata.getSchema(JsonMetadata.java:183)
> ... 19 more
> Caused by: java.net.URISyntaxException: Illegal character in path at index
> 36: file:///foo/bar/{1,2}
> at java.net.URI$Parser.fail(URI.java:2809)
> at java.net.URI$Parser.checkChars(URI.java:2982)
> {code}
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