Are tranquility-distribution-0.7.4 compitiable with druid 0.9.0 in extension mechanism？

[hui li]

i try to use  thetaSketch in tranquility  for data ingestion.

  put extension properties everywhere i can imagine,like in tranquility  script:

  addJava '-Ddruid.extensions.loadList=["druid-datasketches"]'

  addJava  "-Ddruid.extensions.directory=/home/lihui/druid-0.9.0/extensions"

command line,and server.json

it does not work, always throw exception:

java.lang.IllegalArgumentException: Could not resolve type id 'thetaSketch' into a subtype of [simple type, class io.druid.query.aggregation.AggregatorFactory]

 at [Source: N/A; line: -1, column: -1] (through reference chain: Object[][1])

at com.fasterxml.jackson.databind.ObjectMapper._convert(ObjectMapper.java:2774)

at com.fasterxml.jackson.databind.ObjectMapper.convertValue(ObjectMapper.java:2700)

when i modified classpath to include jars of  druid-datasketches in tranquility  script,it throws exceptions as follow:

java.lang.IncompatibleClassChangeError: class io.druid.query.aggregation.datasketches.theta.SketchAggregatorFactory has interface io.druid.query.aggregation.AggregatorFactory as super class

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:760)

[Gian Merlino]

Tranquility 0.7.4 is built against Druid 0.8.2 so it needs to use Druid 0.8.2 extensions.

Tranquility 0.8.0 (upcoming, should be released this week) will be built against Druid 0.9.0 and can use Druid 0.9.0 extensions.

Gian

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[hui li]

thanks. I have build a snapshot version, and it works.

在 2016年5月9日星期一 UTC+8下午12:27:25，Gian Merlino写道：

[Fangjin]

Just as an update, Tranquility 0.8.0 was just released to fully work with Druid 0.9.x.

To view this discussion on the web visit https://groups.google.com/d/msgid/druid-user/73b77c33-e5bb-46c4-8017-3b76cc3bd8ac%40googlegroups.com.