Logging log4j不加载Kotlin@Plugin类
尝试在我的Kotlin项目中扩展日志逻辑。 添加了日志转换器:Logging log4j不加载Kotlin@Plugin类,logging,kotlin,log4j2,Logging,Kotlin,Log4j2,尝试在我的Kotlin项目中扩展日志逻辑。 添加了日志转换器: @Plugin(name = "TestConverter", category = "Converter") @ConverterKeys("m") class TestConverter(name: String, style: String) : LogEventPatternConverter(name, style) { companion object { @JvmStatic
@Plugin(name = "TestConverter", category = "Converter")
@ConverterKeys("m")
class TestConverter(name: String, style: String) : LogEventPatternConverter(name, style) {
companion object {
@JvmStatic
fun newInstance(options: Array<String>): TestConverter = TestConverter("test", Thread.currentThread().name)
}
override fun format(event: LogEvent?, toAppendTo: StringBuilder?) {
...
}
}
插件(name=“TestConverter”,category=“Converter”)
@转换器键(“m”)
类TestConverter(名称:String,样式:String):LogEventPatternConverter(名称,样式){
伴星{
@JvmStatic
fun newInstance(选项:数组):TestConverter=TestConverter(“测试”,Thread.currentThread().name)
}
覆盖有趣的格式(事件:LogEvent?,toAppendTo:StringBuilder?){
...
}
}
但似乎log4j没有看到带有@Plugin注释的Kotlin类。
我尝试显式地在配置中添加包,但没有帮助。问题也可能与Kotlin有关,但不确定是否相关
Java中的同一个类可以完美地工作
有什么想法/建议出了什么问题
谢谢
UPD添加log4j.xml
log4j.xml是相当标准的
<?xml version="1.0" encoding="UTF-8"?>
<Configuration>
<Appenders>
<Console name="Console" target="SYSTEM_OUT">
<PatternLayout pattern="${env:CONSOLE_LOG_PATTERN:-%d %p %c [%t] %X %m%n}"/>
</Console>
</Appenders>
<Loggers>
<Logger name="test" level="info" additivity="false">
<AppenderRef ref="Console"/>
</Logger>
<Root level="info">
<AppenderRef ref="Console"/>
</Root>
</Loggers>
</Configuration>
我试图指定要扫描的包
,但没有帮助。正如我所提到的,具有相同配置的Java类可以完美地工作。我用这种方式尝试了这个问题。只要看看它对我有用的代码就可以了
@Plugin(name="TransactionIdConverter", category = "Converter")
@ConverterKeys({"transanctionLogid","trscId"})
public class TransactionLogIdConverter extends LogEventPatternConverter{
protected TransactionLogIdConverter(String name, String style) {
super(name, style);
}
public static TransactionLogIdConverter newInstance(String[] options) {
return new TransactionLogIdConverter("transanctionLogid",Thread.currentThread().getName());
}
@Override
public void format(LogEvent event, StringBuilder toAppendTo) {
toAppendTo.append(getTransactionId());
}
protected String getTransactionId() {
String transacationId = TransactionLogIdGenerator.myTransactionId();
return transacationId;
}
}
用于生成TransactionLogId的TransactionIdGenerator.java类
public class TransactionLogIdGenerator {
public static String myTransactionId(){
return "0909-0967-8678";
}
}
Log4j.xml
<?xml version="1.0" encoding="UTF-8"?>
<configuration xmlns="http://logging.apache.org/log4j/2.0/config"
status="OFF" packages="com.custom.pattern">
<Appenders>
<Console name="STDOUT" target="SYSTEM_OUT">
<PatternLayout pattern=" Date:-%d TransactionLogID:- %trnLogid line Number:-%L Location:-%l className: %C Message:-%m%n"/>
</Console>
</Appenders>
<loggers>
<Logger name="org.apache.log4j.xml" level="all" />
<root level="all">
<appender-ref ref="STDOUT" level="TRACE" />
</root>
</loggers>
</configuration>
两周后,终于有时间深入研究这个问题 Log4j从
Log4j2Plugins.dat
文件加载插件。它们通过PluginProcessor
类在编译期间(非常混乱)将@Plugin
注释类填充到此文件中
因此,我的第一个假设是连接到注释处理是正确的。您的代码是Java,我在将Kotlin类加载到log4j时遇到了问题。能否请您将您的问题与log4j.xml一起更新。是否添加了我的标准log4j.xml?您能尝试一下吗
public class Test {
private static final Logger logger = LogManager.getLogger(Test.class);
public static void myTest(){
logger.info("Sample info message");
logger.debug("sample debug message");
}
public static void main(String[] args) {
myTest();
}
}