https://github.com/lilihongjava/ignite_examples/tree/main/ignite-03
在使用Log4j之前,需要先导入ignite-log4j2模块。
<dependencies>
<dependency>
<groupId>org.apache.ignite</groupId>
<artifactId>ignite-log4j2</artifactId>
<version>${ignite.version}</version>
</dependency>
</dependencies>
配置IgniteConfiguration的gridLogger属性,如下所示:
<property name="gridLogger">
<bean class="org.apache.ignite.logger.log4j2.Log4J2Logger">
<!-- log4j2 configuration file -->
<constructor-arg type="java.lang.String" value="config/ignite-log4j2.xml"/>
</bean>
</property>
注意: ignite-log4j2.xml的路径要么是绝对路径,要么是相对路径,相对于IGNITE_HOME (ignite-log4j2-2.11.0.jar里代码限制)
在idea中,设置环境变量IGNITE_HOME=E:\java\ignite_examples\如下所示:
在环境变量IGNITE_HOME下创建config目录,然后再创建ignite-log4j2.xml文件,内容如下,来源于官方apache-ignite-2.11.0-bin包下apache-ignite-2.11.0-bin\config\ignite-log4j2.xml
<?xml version="1.0" encoding="UTF-8"?>
<!--
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
http://www.apache.org/licenses/LICENSE-2.0
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.
-->
<Configuration monitorInterval="60">
<Appenders>
<Console name="CONSOLE" target="SYSTEM_OUT">
<PatternLayout pattern="[%d{ISO8601}][%-5p][%t][%c{1}]%notEmpty{[%markerSimpleName]} %m%n"/>
<ThresholdFilter level="ERROR" onMatch="DENY" onMismatch="ACCEPT"/>
</Console>
<Console name="CONSOLE_ERR" target="SYSTEM_ERR">
<PatternLayout pattern="[%d{ISO8601}][%-5p][%t][%c{1}]%notEmpty{[%markerSimpleName]} %m%n"/>
</Console>
<Routing name="FILE">
<Routes pattern="$${sys:nodeId}">
<Route>
<RollingFile name="Rolling-${sys:nodeId}" fileName="${sys:IGNITE_HOME}/work/log/ignite-${sys:nodeId}.log"
filePattern="${sys:IGNITE_HOME}/work/log/ignite-${sys:nodeId}-%i-%d{yyyy-MM-dd}.log.gz">
<PatternLayout pattern="[%d{ISO8601}][%-5p][%t][%c{1}]%notEmpty{[%markerSimpleName]} %m%n"/>
<Policies>
<TimeBasedTriggeringPolicy interval="6" modulate="true" />
<SizeBasedTriggeringPolicy size="10 MB" />
</Policies>
</RollingFile>
</Route>
</Routes>
</Routing>
</Appenders>
<Loggers>
<!--
<Logger name="org.apache.ignite" level=DEBUG/>
-->
<!--
Uncomment to disable courtesy notices, such as SPI configuration
consistency warnings.
-->
<!--
<Logger name="org.apache.ignite.CourtesyConfigNotice" level=OFF/>
-->
<Logger name="org.springframework" level="WARN"/>
<Logger name="org.eclipse.jetty" level="WARN"/>
<!--
Avoid warnings about failed bind attempt when multiple nodes running on the same host.
-->
<Logger name="org.eclipse.jetty.util.log" level="ERROR"/>
<Logger name="org.eclipse.jetty.util.component" level="ERROR"/>
<Logger name="com.amazonaws" level="WARN"/>
<Root level="INFO">
<!-- Uncomment to enable logging to console. -->
<!--<AppenderRef ref="CONSOLE" level="DEBUG"/>-->
<AppenderRef ref="CONSOLE_ERR" level="ERROR"/>
<AppenderRef ref="FILE" level="DEBUG"/>
</Root>
</Loggers>
</Configuration>
查看内容可知,日志输出位置也依赖与IGNITE_HOME环境变量
修改 ignite-log4j2.xml ,开启debug模式,ignite有些报错需要开启debug模式下才会显示详细报错信息
<Root level="DEBUG">
<!-- Uncomment to enable logging to console. -->
<AppenderRef ref="CONSOLE" level="DEBUG"/>
<AppenderRef ref="CONSOLE_ERR" level="ERROR"/>
<AppenderRef ref="FILE" level="DEBUG"/>
</Root>
执行https://github.com/lilihongjava/ignite_examples/blob/main/ignite-03/src/main/java/org/lovelife110/example/LogExample.java 日志如下