[Kaizen] configure akka.loglevel to allow for debug messages to reach Logback. disable java.util.logging (used by legacy code in JUPnP)

Author: Jaap van der Plas

src/main/resources/conf/base.conf

@@ -626,8 +626,8 @@ mantis {
 
 akka {
   loggers = ["akka.event.slf4j.Slf4jLogger"]
-  # Not using ${logging.logs-level} because it might be set to TRACE, which our version of Akka doesn't have.
-  loglevel = "INFO"
+  # the effective log level is configured for Logback; this loglevel only determines what is passed to Slf4j 
+  loglevel = "DEBUG"
   logging-filter = "akka.event.slf4j.Slf4jLoggingFilter"
   logger-startup-timeout = 30s
   log-dead-letters-during-shutdown = off

src/main/resources/logback.xml

@@ -1,6 +1,6 @@
 <configuration>
 
-    <property name="stdoutEncoderPattern" value="%d [%logger{36}] - %msg%n" />
+    <property name="stdoutEncoderPattern" value="%d %-5level [%logger{36}] - %msg%n" />
     <property name="fileEncoderPattern" value="%d [%thread] %-5level %logger{36} %X{akkaSource} - %msg%n" />
 
     <!--read properties from application.conf-->

src/main/scala/io/iohk/ethereum/Mantis.scala

@@ -2,9 +2,12 @@ package io.iohk.ethereum
 
 import io.iohk.ethereum.nodebuilder.{StdNode, TestNode}
 import io.iohk.ethereum.utils.{Config, Logger}
+import java.util.logging.LogManager
 
 object Mantis extends Logger {
   def main(args: Array[String]): Unit = {
+    LogManager.getLogManager().reset();
+
     val node =
       if (Config.testmode) {
         log.info("Starting Mantis in test mode")