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Posted to issues@flink.apache.org by "Julio Biason (JIRA)" <ji...@apache.org> on 2018/04/23 20:23:00 UTC
[jira] [Created] (FLINK-9241) Scala version of Gauge (metric)
doesn't work
Julio Biason created FLINK-9241:
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Summary: Scala version of Gauge (metric) doesn't work
Key: FLINK-9241
URL: https://issues.apache.org/jira/browse/FLINK-9241
Project: Flink
Issue Type: Bug
Components: Documentation
Reporter: Julio Biason
In the docs, the example for [using a gauge metric in scala|https://ci.apache.org/projects/flink/flink-docs-release-1.4/monitoring/metrics.html#gauge] doesn't even compile:
{{[error] /vagrant/src/main/scala/net/juliobiason/pipeline/sideoutputs.scala:34: overloaded method value gauge with alternatives:}}
{{[error] [T, G <: org.apache.flink.metrics.Gauge[T]](x$1: String, x$2: G)G <and>}}
{{[error] [T, G <: org.apache.flink.metrics.Gauge[T]](x$1: Int, x$2: G)G}}
{{[error] cannot be applied to (String, org.apache.flink.api.scala.metrics.ScalaGauge[Int])}}
{{[error] .gauge("meanLateness", ScalaGauge[Int] ( () => meanLateness ))}}
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