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SOLR-13268: Patch that flushes when shutting down

This commit is contained in:
erick 2019-03-18 11:52:39 -07:00
parent 5ca2524927
commit 3ac07b8dfb
1 changed files with 33 additions and 1 deletions
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34
solr/core/src/java/org/apache/solr/util/StartupLoggingUtils.java
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@ -24,6 +24,7 @@ import org.apache.logging.log4j.Level;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.Appender;
import org.apache.logging.log4j.core.LoggerContext;
import org.apache.logging.log4j.core.appender.AbstractOutputStreamAppender;
import org.apache.logging.log4j.core.appender.ConsoleAppender;
import org.apache.logging.log4j.core.config.Configuration;
import org.apache.logging.log4j.core.config.LoggerConfig;
@ -133,7 +134,8 @@ public final class StartupLoggingUtils {
* Tests are particularly sensitive to this call or the object release tracker will report "lmax.disruptor" not
* terminating when asynch logging (new default as of 8.1) is enabled.
*
*
* Expert, there are rarely good reasons for this to be called outside of the test framework. If you are tempted to
* call this for running Solr, you should probably be using synchronous logging.
*/
@SuppressForbidden(reason = "Legitimate log4j2 access")
public static void shutdown() {
@ -141,8 +143,38 @@ public final class StartupLoggingUtils {
logNotSupported("Not running log4j2, could not call shutdown for async logging.");
return;
}
flushAllLoggers();
LogManager.shutdown(true);
}
/**
* This is primarily for tests to insure that log messages don't bleed from one test case to another, see:
* SOLR-13268.
*
* However, if there are situations where we want to insure that all log messages for all loggers are flushed,
* this method can be called by anyone. It should _not_ affect Solr in any way except, perhaps, a slight delay
* while messages are being flushed.
*
* Expert, there are rarely good reasons for this to be called outside of the test framework. If you are tempted to
* call this for running Solr, you should probably be using synchronous logging.
*/
@SuppressForbidden(reason = "Legitimate log4j2 access")
public static void flushAllLoggers() {
if (!isLog4jActive()) {
logNotSupported("Not running log4j2, could not call shutdown for async logging.");
return;
}
final LoggerContext logCtx = ((LoggerContext) LogManager.getContext(false));
for (final org.apache.logging.log4j.core.Logger logger : logCtx.getLoggers()) {
for (final Appender appender : logger.getAppenders().values()) {
if (appender instanceof AbstractOutputStreamAppender) {
((AbstractOutputStreamAppender) appender).getManager().flush();
}
}
}
}
/**
* Return a string representing the current static ROOT logging level
* @return a string TRACE, DEBUG, WARN, ERROR or INFO representing current log level. Default is INFO