Mike Zhang Zhi created LOG4J2-1236:
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Summary: Logger is set to OFF after thread.join()
Key: LOG4J2-1236
URL: https://issues.apache.org/jira/browse/LOG4J2-1236
Project: Log4j 2
Issue Type: Question
Components: API
Affects Versions: 2.5
Reporter: Mike Zhang Zhi
Priority: Minor
I have a launcher class with shutdownHook thread in main method:
Runtime.getRuntime().addShutdownHook(new Thread() {
public void run() {
try {
logger.info("transefer server is stopping");
controller.stop();
} catch (Throwable e) {
logger.warn("something goes wrong when stopping
transfer Server:\n{}",
Throwables.getStackTraceAsString(e));
} finally {
logger.info("transfer server is down.");
}
}
});
In controller to stop the server, I did things below:
public void stop() {
if (transferServer.isStart()) {
transferServer.stop();
}
logger.info("Server is down");
}
and in server, I stop instances like this:
public void stop() {
if (isStart()) {
running = false;
for (Map.Entry<String, TransferInstanceInterface> entry :
transferInstances.entrySet()) {
TransferInstanceInterface instance = entry.getValue();
if (instance.isStart()) {
instance.stop();
}
}
logger.info("Transfer server stopped");
}
}
and in instance I stop two thread:
public void stop() {
logger.info("Transfer instance[" + name + "] is stopping...");
if (messageListener.isStart()) {
messageListener.stop();
}
if (messageProcessor.isStart()) {
messageProcessor.stop();
}
running = false;
logger.info("Transfer instance[" + name + "] is down.");
}
for messageListener, I stopped is like this:
public void stop() {
logger.info("Message listener for topic[" + topic + "] is stopping...");
try {
if (running) {
running = false;
if (null != consumer) {
consumer.close();
}
thread.join();
logger.info("Message listener for topic[" + topic + "] is
down.");
}
} catch (InterruptedException e) {
logger.error(e.getMessage());
}
}
seems that after thread.join(), all the loggers are set to level off, and won't
produce any log.
What the right way to make logger produce log entries after thread.join()?
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