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Posted to dev@avro.apache.org by "Pavel Safrata (JIRA)" <ji...@apache.org> on 2015/10/06 18:56:26 UTC
[jira] [Updated] (AVRO-1715) Compiling a schema leaves the schema
file open
[ https://issues.apache.org/jira/browse/AVRO-1715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pavel Safrata updated AVRO-1715:
--------------------------------
Status: Patch Available (was: Open)
> Compiling a schema leaves the schema file open
> ----------------------------------------------
>
> Key: AVRO-1715
> URL: https://issues.apache.org/jira/browse/AVRO-1715
> Project: Avro
> Issue Type: Bug
> Components: java
> Affects Versions: 1.7.7, 1.8.0
> Reporter: Pavel Safrata
> Fix For: 1.8.0
>
> Attachments: Schema_close_parser.patch
>
>
> The schema compiler leaves the schema file open. This is demonstrated on the following code:
> File schemaFile = new File("schema.avsc");
> SpecificCompiler.compileSchema(new File[] { schemaFile }, new File("output"));
> Files.delete(schemaFile.toPath());
> On Windows I get "java.nio.file.FileSystemException: schema.avsc: The process cannot access the file because it is being used by another process."
> The problem is in Schema.java, method parse(File). This method creates a JsonParser for the schema file but never closes it, so the parser stays open together with the FileInputStream created by it. Closing the parser fixes the problem. I believe the same should be done for the other types of inputs as the json parsers do use more resources that should be freed. So I propose to close the parser in the parse(JsonParser) method. I will attach the patch.
> This is almost a blocker for our project and I would really appreciate if we can have this resolved for 1.8. Please let me know if that's possible and whether I should go ahead with merging the change myself (it's my first contribution here).
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