我正在尝试为 Splunk HTTP 事件收集器实现自定义 AppenderFactory。我写了一个简单的类如下,
package com.example.app;
import ch.qos.logback.classic.LoggerContext;
import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.Appender;
import ch.qos.logback.core.AppenderBase;
import com.fasterxml.jackson.annotation.JsonTypeName;
import io.dropwizard.logging.AbstractAppenderFactory;
import io.dropwizard.logging.async.AsyncAppenderFactory;
import io.dropwizard.logging.filter.LevelFilterFactory;
import io.dropwizard.logging.layout.LayoutFactory;
@JsonTypeName("splunk")
public class SplunkAppenderFactory extends AbstractAppenderFactory{
@Override
public Appender build(LoggerContext context, String applicationName, LayoutFactory layoutFactory, LevelFilterFactory levelFilterFactory, AsyncAppenderFactory asyncAppenderFactory) {
System.out.println("Setting up SplunkAppenderFactory!");
final SplunkAppender appender = new SplunkAppender();
appender.setName("splunk-appender");
appender.setContext(context);
appender.start();
return wrapAsync(appender, asyncAppenderFactory);
}
}
class SplunkAppender extends AppenderBase<ILoggingEvent> {
@Override
protected void append(ILoggingEvent eventObject) {
System.out.println("Splunk: "+ eventObject.toString());
}
}
据说我们不需要连接任何东西,因为 Dropwizard 会自动扫描并连接东西。但是当我运行该应用程序时,我收到此错误,
./infrastructure/config/config.yml 有错误: * 无法解析配置:logging.appenders.[2];无法将类型 id“splunk”解析为 [简单类型,类 io.dropwizard.logging.AppenderFactory] 的子类型:已知类型 ids = [AppenderFactory,控制台,文件,syslog] 在[来源:N/A;行:-1,列:-1](通过引用链:com.example.app.AppConfiguration["logging"]->io.dropwizard.logging.DefaultLoggingFactory["appenders"]->java.util.ArrayList[2 ])
我的app.config如下,
logging:
appenders:
# log format: <Level> - <Time> - <Revision> - <Environment> - <Thread> - <Log Content>
- type: console
logFormat: "%level %d{HH:mm:ss.SSS} %mdc{revision} %mdc{environment} '%mdc{user}' %t %logger{5} - %X{code} %msg %n"
threshold: ${CONSOLE_LOG_LEVEL:-ERROR}
- type: file
threshold: INFO
logFormat: "%level %d{HH:mm:ss.SSS} %mdc{revision} %mdc{environment} '%mdc{user}' %t %logger{5} - %X{code} %msg %n"
# The file to which current statements will be logged.
currentLogFilename: ./logs/app.log
# When the log file rotates, the archived log will be renamed to this and gzipped. The
# %d is replaced with the previous day (yyyy-MM-dd). Custom rolling windows can be created
# by passing a SimpleDateFormat-compatible format as an argument: "%d{yyyy-MM-dd-hh}".
archivedLogFilenamePattern: ./logs/app-%d.log.gz
# The number of archived files to keep.
archivedFileCount: 10
# The timezone used to format dates. HINT: USE THE DEFAULT, UTC.
timeZone: UTC
- type: splunk
logFormat: "%level %d{HH:mm:ss.SSS} %mdc{revision} %mdc{environment} '%mdc{user}' %t %logger{5} - %X{code} %msg %n"
threshold: INFO
我怎样才能得到这份工作?
您可能需要创建一个名为:
的文件 META-INF/services/io.dropwizard.logging.AppenderFactory
在项目的资源文件夹中,该文件的内容是可用的 Appender 类(或多个类)的完整限定名称:
com.example.app.SplunkAppenderFactory
核心 DW 项目还包含此文件和默认附加程序:
即使给出该配置后,它也不起作用。你能帮忙吗?