Logging all decisions using SpringBoot, slf4j and logback is not working

Camunda 7 Topics Discussion & Questions
1

Hi everybody,

we use SpringBoot 2.1.4 all together with an ELK stack. So basically we use slf4j with logback as our logging framework.
We also integrated camunda-engine-dmn like the following:

    <dependency>
      <groupId>org.camunda.bpm.dmn</groupId>
      <artifactId>camunda-engine-dmn</artifactId>
      <version>7.9.0</version>
    </dependency>
    <dependency>
      <groupId>org.camunda.bpm.extension.feel.scala</groupId>
      <artifactId>feel-engine-factory</artifactId>
      <version>1.5.0</version>
    </dependency>
    <dependency>
      <groupId>org.camunda.spin</groupId>
      <artifactId>camunda-spin-core</artifactId>
      <version>1.5.0</version>
    </dependency>

In a first step I wanted to put the log level for all camunda classes to trace to see what information could be interesting:

logging:
  level:
    org:
...
      camunda: TRACE

(Explanation: this configuration is in a file called application.yml, the logging for every framework unsing slf4j can normally be configured this way).
Unfortunately I don’t see any detailed logs. only some warning at some point (DMN-01006 Unsupported type ‘local-date’ for clause. Values of this clause will not transform into another type.)
Looking into the code of camunda-engine-dmn didn’t help me neither. On some rare occasions, a class DmnLogger is used…

Can somebody help?

Thanks in advance,
Boris

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