вместе с log4j-to-slf4j.

bin\startup.bat
DBS_HOME=C:\IdeaProjects\dbsyncer\out\artifacts\dbsyncer_jar\
-Xms3800m -Xmx3800m -Xmn1500m -Xss512k -XX:MetaspaceSize=192m -Djava.ext.dirs="C:\Program Files\jdk1.8.0_431\jre\lib\ext;C:\IdeaProjects\dbsyncer\out\artifacts\dbsyncer_jar\lib" -Dspring.config.location=C:\IdeaProjects\dbsyncer\out\artifacts\dbsyncer_jar\conf\application.properties -Dsun.stdout.encoding=UTF-8 -Dfile.encoding=UTF-8 -Duser.dir=C:\IdeaProjects\dbsyncer\out\artifacts\dbsyncer_jar\ -XX:+UseConcMarkSweepGC -XX:+UseParNewGC -XX:ParallelGCThreads=4 -XX:+CMSClassUnloadingEnabled -XX:+DisableExplicitGC -XX:+UseCMSInitiatingOccupancyOnly -XX:CMSInitiatingOccupancyFraction=68 -verbose:gc -XX:+PrintGCDetails -XX:+PrintGCDateStamps -XX:+HeapDumpOnOutOfMemoryError -XX:HeapDumpPath=C:\IdeaProjects\dbsyncer\out\artifacts\dbsyncer_jar\logs -XX:ErrorFile=C:\IdeaProjects\dbsyncer\out\artifacts\dbsyncer_jar\logs\hs_err.log
SLF4J: Классовый путь содержит несколько привязок SLF4J.
SLF4J: Найдена привязка в [jar:file:/C:/Users/lihon/IdeaProjects/dbsyncer/out/artifacts/dbsyncer_jar/lib/log4j-slf4j-impl-2.17.1.jar!/org/slf4j/impl/StaticLoggerBinder.class].
SLF4J: Найдена привязка в [jar:file:/C:/Users/lihon/IdeaProjects/dbsyncer/out/artifacts/dbsyncer_jar/lib/logback-classic-1.2.11.jar!/org/slf4j/impl/StaticLoggerBinder.class].
SLF4J: См. http://www.slf4j.org/codes.html#multiple_bindings для объяснения.
SLF4J: Актуальная привязка типа [org.apache.logging.slf4j.Log4jLoggerFactory].
Исключение в главной нити "main": java.lang.ExceptionInInitializerError
at org.dbsyncer.web.Application.main(Application.java:28)
Причина: org.apache.logging.log4j.LoggingException: log4j-slf4j-impl не может присутствовать вместе с log4j-to-slf4j
at org.apache.logging.slf4j.Log4jLoggerFactory.validateContext(Log4jLoggerFactory.java:60)
at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:44)
at org.apache.logging.slf4j.Log4jLoggerFactory.newLogger(Log4jLoggerFactory.java:33)
at org.apache.logging.log4j.spi.AbstractLoggerAdapter.getLogger(AbstractLoggerAdapter.java:53)
at org.apache.logging.slf4j.Log4jLoggerFactory.getLogger(Log4jLoggerFactory.java:33) at org.slf4j.LoggerFactory.getLogger(LoggerFactory.java:363)
at org.apache.commons.logging.LogAdapter$Slf4jAdapter.createLocationAwareLog(LogAdapter.java:130)
at org.apache.commons.logging.LogAdapter$Slf4jAdapter.(LogAdapter.java:107)
at org.apache.commons.logging.LogAdapter$Slf4yAdapter.getInstance(LogAdapter.java:155)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:657)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:634)
at org.dbsyncer.web.Application.(Application.java:28)
at org.apache.commons.logging.LogAdapter.createLog(LogAdapter.java:91)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:67)
at org.apache.commons.logging.LogFactory.getLog(LogFactory.java:59)
at org.springframework.boot.SpringApplication.(SpringApplication.java:206)
... 1 moreHeap
par new generation total 1382400 К, использовано 172032 К [0x00000006d2800000, 0x0000000730400000, 0x0000000730400000]
eden space 1228800 К, 14% использовано [0x00000006d2800000, 0x00000006dd000208, 0x000000071d800000]
from space 153600 К, 0% использовано [0x000000071d800000, 0x000000071d800000, 0x0000000726e00000]
to space 153600 К, 0% использовано [0x0000000726e00000, 0x0000000726e00000, 0x0000000730400000]
concurrent mark-sweep generation total 2355200 К, использовано 0 К [0x0000000730400000, 0x00000007c0000000, 0x00000007c0000000]
Metaspace использовано 5693 К, емкость 5854 К, выделено 5888 К, зарезервировано 1056768 К
class space использовано 649 К, емкость 739 К, выделено 768 К, зарезервировано 1048576 К