我正在使用logback 1.2.3。我将回溯配置作为-Dlogback.configurationFile=$SERVICE_PATH/restapilayer.logback.xml
我的restapilayer.logback.xml
如下所示
<configuration debug="true">
<appender name="STDOUT" class="ch.qos.logback.core.ConsoleAppender">
<Target>System.out</Target>
<encoder>
<pattern>%d{yyyy-MM-dd HH:mm:ss} [%thread] %-5level %logger{36} - %msg%n</pattern>
</encoder>
</appender>
<root level="DEBUG">
<appender-ref ref="STDOUT" />
</root>
</configuration>
在我的日志中,我也看到正在加载配置文件。
10:51:42,695 |-INFO in ch.qos.logback.classic.LoggerContext[default] - Found resource [/home/ubuntu/build-target/restapilayer/restapilayer.logback.xml] at [file:/home/ubuntu/build-target/restapilayer/restapilayer.logback.xml]
10:51:42,860 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - About to instantiate appender of type [ch.qos.logback.core.ConsoleAppender]
10:51:42,863 |-INFO in ch.qos.logback.core.joran.action.AppenderAction - Naming appender as [STDOUT]
10:51:42,869 |-INFO in ch.qos.logback.core.joran.action.NestedComplexPropertyIA - Assuming default type [ch.qos.logback.classic.encoder.PatternLayoutEncoder] for [encoder] property
10:51:42,894 |-INFO in ch.qos.logback.classic.joran.action.RootLoggerAction - Setting level of ROOT logger to DEBUG
10:51:42,895 |-INFO in ch.qos.logback.core.joran.action.AppenderRefAction - Attaching appender named [STDOUT] to Logger[ROOT]
10:51:42,895 |-INFO in ch.qos.logback.classic.joran.action.ConfigurationAction - End of configuration.
10:51:42,896 |-INFO in ch.qos.logback.classic.joran.JoranConfigurator@3fd7a715 - Registering current configuration as safe fallback point
2018-01-13 10:51:42 [main] INFO com.vnera.common.utils.CommonUtils - adding uncaught exception handler hook...
INFO [2018-01-13 10:51:44] o.e.j.u.log:[?:?:?] - [main] - Logging initialized @1792ms
然后在尝试记录时我看到logback配置为null,似乎logback正在运行,默认配置
INFO [2018-01-12 16:25:34] c.v.r.c.v.r.VneraBackendService:[?:?:?] - [main] - Logback used _null_ as the configuration file_
我使用以下代码获取logback配置
logger.debug("Testing Debug logging");
LoggerContext loggerContext = ((ch.qos.logback.classic.Logger)logger).getLoggerContext();
URL mainURL = ConfigurationWatchListUtil.getMainWatchURL(loggerContext);
System.out.println(mainURL);
// or even
logger.info("Logback used '{}' as the configuration file.", mainURL);
有人能让我知道出了什么问题吗?我该如何调试此问题?
添加了Maven依赖关系树here。
答案 0 :(得分:0)
我试图使用dropwizard应用程序进行logback(使用logback.xml
)。在应用程序初始化期间,只要调用io.dropwizard.Application.run(BackendServiceConfiguration, Environment)
,它就会丢弃先前初始化的记录器,并尝试使用dropwizard配置文件(config.yaml
)中定义的记录器。
要在run()
之后解决此问题,我必须按照here的说明调用以下代码。
public static void relaodLogback() {
String loggingConfig = System.getProperty("logback.configurationFile");
if(loggingConfig == null) {
System.out.println("Logging Config is null");
}
LoggerContext loggerContext = (LoggerContext) LoggerFactory.getILoggerFactory();
loggerContext.reset();
JoranConfigurator configurator = new JoranConfigurator();
try {
InputStream configStream = FileUtils.openInputStream(new File(loggingConfig));
configurator.setContext(loggerContext);
configurator.doConfigure(configStream); // loads logback file
configStream.close();
System.out.println("Loaded configuration file");
} catch (JoranException | IOException e) {
e.printStackTrace();
System.out.println("Failed to log configuration file");
System.exit(1);
}
}