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how to config “LogstashEncoder”

时间: 2024-01-06 14:06:04 浏览: 85

To configure the LogstashEncoder, you need to specify the following properties: 1. `messageKey`: This is the name of the field that contains the log message. By default, it is set to "message". 2. `levelKey`: This is the name of the field that contains the log level. By default, it is set to "level". 3. `loggerKey`: This is the name of the field that contains the logger name. By default, it is set to "logger". 4. `threadKey`: This is the name of the field that contains the thread name. By default, it is set to "thread". 5. `stackTraceKey`: This is the name of the field that contains the stack trace. By default, it is set to "stacktrace". 6. `customFields`: This is a map of custom fields that you want to include in the log event. Here is an example configuration: ``` log4j.appender.logstash=org.apache.log4j.net.SocketAppender log4j.appender.logstash.RemoteHost=logstash.example.com log4j.appender.logstash.Port=4560 log4j.appender.logstash.ReconnectionDelay=10000 log4j.appender.logstash.layout=com.logstash.log4j.JSONEventLayout log4j.appender.logstash.layout.FieldNames.message=message log4j.appender.logstash.layout.FieldNames.level=level log4j.appender.logstash.layout.FieldNames.logger=logger log4j.appender.logstash.layout.FieldNames.thread=thread log4j.appender.logstash.layout.FieldNames.stacktrace=stacktrace log4j.appender.logstash.layout.CustomFields.application=myApp log4j.appender.logstash.layout.CustomFields.environment=production ``` In this example, we are configuring the Logstash appender to send log events to a Logstash instance running on `logstash.example.com` at port `4560`. We are also using the `JSONEventLayout` layout which formats the log events as JSON objects. Finally, we are including two custom fields `application` and `environment` in the log events.

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