[YANGTOOLS-924] Yang parser does not allow min-elements in deviate delete

Mon, 7 Jan 2019 07:51:19 +0000

This is on release 2.0.11.

When parsing the attached model, the following error occurs:

Caused by: org.opendaylight.yangtools.yang.parser.spi.meta.InvalidSubstatementException: MIN_ELEMENTS is not valid for DEVIATE. Error in module testdev (QNameModule

{ns=[http://example.com/testdev], rev=2018-08-14}

) [at /home/verthezp/local/logs/deviate/testdev.yang:13:4]
   at org.opendaylight.yangtools.yang.parser.spi.meta.SubstatementValidator.validate(SubstatementValidator.java:136)
   at org.opendaylight.yangtools.yang.parser.rfc7950.stmt.deviate.AbstractDeviateStatementSupport.onFullDefinitionDeclared(AbstractDeviateStatementSupport.java:129)
   at org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementDefinitionContext.onDeclarationFinished(StatementDefinitionContext.java:80)
   at org.opendaylight.yangtools.yang.parser.stmt.reactor.StatementContextBase.endDeclared(StatementContextBase.java:578)

Apparently the yang parser does not accept the min-elements statement in deviate delete (in deviate add and deviate replace it works fine). According to the RFC this seems to be a valid statement there, as long as it matches exactly what is in the target node of the deviation.

This occurs both on yang 1.0 and yang 1.1.

OpenDaylight JIRA

[YANGTOOLS-924] Yang parser does not allow min-elements in deviate delete