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我正在尝试根据 ThreadContext 设置的键将 Java 应用程序的事件记录到单独的日志文件中。但我的关键是即使在系统属性中将“log4j2.isThreadContextMapInheritable”设置为“true”之后也无法到达子线程(在MouseEvent上创建)。请有人帮我解决这个问题。
我的主要方法:
public class Application {
static {
System.setProperty("log4j2.isThreadContextMapInheritable","true");
}
private final static Logger LOGGER = LogManager.getLogger(Application.class);
public static void main(String[] args) throws Exception
{
ThreadContext.put("cfg","RLS");
LOGGER.info("New window opening!!!"+ThreadContext.get("cfg"));
newWindow();
}
private static void newWindow() throws Exception {
ButtonFrame buttonFrame = new ButtonFrame("Button Demo");
buttonFrame.setSize( 350, 275 );
buttonFrame.setVisible( true );
}
}
ButtonFrame 类:
public class ButtonFrame extends JFrame{
private final static Logger LOGGER = LogManager.getLogger(NewWindow.class);
JButton bChange;
JFrame frame = new JFrame("Our JButton listener example");
public ButtonFrame(String title)
{
super( title );
setLayout( new FlowLayout() );
bChange = new JButton("Click Me!");
bChange.addMouseListener(new MouseListener() {
@Override
public void mouseClicked(MouseEvent e) {
try {
LOGGER.info("Mouse clicked!!!"+ThreadContext.get("cfg"));
JDialog d = new JDialog(frame, "HI", true);
d.setLocationRelativeTo(frame);
d.setVisible(true);
} catch (Exception e1) {
e1.printStackTrace();
}
}
@Override
public void mousePressed(MouseEvent e) {}
@Override
public void mouseReleased(MouseEvent e) {}
@Override
public void mouseEntered(MouseEvent e) {}
@Override
public void mouseExited(MouseEvent e) {}
});
add( bChange );
setDefaultCloseOperation( JFrame.EXIT_ON_CLOSE );
}
}
log4j2.properties 文件:
appenders = rls,otr,routing
appender.rls.type = RollingFile
appender.rls.name = RollingFile_Rls
appender.rls.fileName = D:\\RLS\\rls_%d{MMdd}.log
appender.rls.filePattern = D:\\RLS\\rls_%d{MMdd}.log
appender.rls.layout.type = PatternLayout
appender.rls.layout.pattern = %d{ABSOLUTE} %level{length=1}
%markerSimpleName [%C{1}:%L] %m%n
appender.rls.policies.type = Policies
appender.rls.policies.time.type = TimeBasedTriggeringPolicy
appender.rls.policies.time.interval = 1
appender.rls.policies.time.modulate = true
appender.rls.policies.size.type = SizeBasedTriggeringPolicy
appender.rls.policies.size.size = 100MB
appender.rls.strategy.type = DefaultRolloverStrategy
appender.rls.strategy.max = 5
appender.otr.type = RollingFile
appender.otr.name = RollingFile_Otr
appender.otr.fileName = D:\\RLS\\otr_%d{MMdd}.log
appender.otr.filePattern = D:\\RLS\\otr_%d{MMdd}.log
appender.otr.layout.type = PatternLayout
appender.otr.layout.pattern = %d{ABSOLUTE} %level{length=1}
%markerSimpleName [%C{1}:%L] %m%n
appender.otr.policies.type = Policies
appender.otr.policies.time.type = TimeBasedTriggeringPolicy
appender.otr.policies.time.interval = 1
appender.otr.policies.time.modulate = true
appender.otr.policies.size.type = SizeBasedTriggeringPolicy
appender.otr.policies.size.size = 100MB
appender.otr.strategy.type = DefaultRolloverStrategy
appender.otr.strategy.max = 5
appender.routing.type = Routing
appender.routing.name = Route_Finder
appender.routing.routes.type = Routes
appender.routing.routes.pattern = $${ctx:cfg}
appender.routing.routes.route1.type = Route
appender.routing.routes.route1.ref = RollingFile_Rls
appender.routing.routes.route1.key = RLS
appender.routing.routes.route2.type = Route
appender.routing.routes.route2.ref = RollingFile_Otr
appender.routing.routes.route2.key = $${ctx:cfg}
loggers = rls,otr
logger.rls.name = logging
logger.rls.level = info
logger.rls.additivity = false
logger.rls.appenderRefs=rls
logger.rls.appenderRef.rls.ref = Route_Finder
logger.rls.name = logging
logger.rls.level = info
logger.rls.additivity = false
logger.rls.appenderRefs=rls
logger.rls.appenderRef.rls.ref = Route_Finder
logger.otr.name = other
logger.otr.level = info
logger.otr.additivity = false
logger.otr.appenderRefs=otr
logger.otr.appenderRef.otr.ref = Route_Finder
rootLogger.level = trace
rootLogger.appenderRefs = stdout
rootLogger.appenderRef.stdout.ref = stdout
最佳答案
您可以将 log4j2.component.properties
文件放入类路径中来控制 Log4j 2 行为的各个方面。
例如log4j2.component.properties
的内容:
# https://logging.apache.org/log4j/2.x/manual/configuration.html#SystemProperties
# If true use an InheritableThreadLocal to implement the ThreadContext map.
# Otherwise, use a plain ThreadLocal.
# (Maybe ignored if a custom ThreadContext map is specified.)
# Default is false
# Modern 2.10+
log4j2.isThreadContextMapInheritable=true
# Legacy for pre-2.10
isThreadContextMapInheritable=true
它的优先级高于系统属性,但它可以被环境变量LOG4J_IS_THREAD_CONTEXT_MAP_INHERITABLE
覆盖,如 documentation .
关于log4j2 isThreadContextMapInheritable 属性使用,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49188105/
我正在尝试根据 ThreadContext 设置的键将 Java 应用程序的事件记录到单独的日志文件中。但我的关键是即使在系统属性中将“log4j2.isThreadContextMapInherit
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