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Logging Configuration


ShardingSphere uses Logback for log management, and the Java SPI internally to provide default log configuration. Users can use XML files to configure customized log output. Proxy will preferentially read the log configuration provided in logback.xml in the /conf directory.

The following steps describe how to customize the log configuration.


  1. Create file conf/logback.xml

Customize the logger level and pattern, etc. according to your needs.

It is recommended to make modifications based on the configuration example

  1. View logs

After ShardingSphere-Proxy starts, the log will be output to the logs directory, select the target log file to view.


<?xml version="1.0"?>
  ~ Licensed to the Apache Software Foundation (ASF) under one or more
  ~ contributor license agreements.  See the NOTICE file distributed with
  ~ this work for additional information regarding copyright ownership.
  ~ The ASF licenses this file to You under the Apache License, Version 2.0
  ~ (the "License"); you may not use this file except in compliance with
  ~ the License.  You may obtain a copy of the License at
  ~ Unless required by applicable law or agreed to in writing, software
  ~ distributed under the License is distributed on an "AS IS" BASIS,
  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  ~ See the License for the specific language governing permissions and
  ~ limitations under the License.

    <appender name="console" class="ch.qos.logback.core.ConsoleAppender">
            <pattern>[%-5level] %d{yyyy-MM-dd HH:mm:ss.SSS} [%thread] %logger{36} - %msg%n</pattern>
    <logger name="org.apache.shardingsphere" level="info" additivity="false">
        <appender-ref ref="console" />
    <logger name="com.zaxxer.hikari" level="error" />
    <logger name="com.atomikos" level="error" />
    <logger name="io.netty" level="error" />
        <level value="info" />
        <appender-ref ref="console" />