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HBASE-16061 Allow logging to a buffered console

This commit is contained in:
Elliott Clark 2016-06-17 16:32:57 -07:00
parent 81a9c1ac31
commit 65a8d77433
2 changed files with 52 additions and 1 deletions
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5
conf/log4j.properties
View File

@ -80,13 +80,16 @@ log4j.appender.NullAppender=org.apache.log4j.varia.NullAppender
#
# console
# Add "console" to rootlogger above if you want to use this
# Add "console" to rootlogger above if you want to use this
#
log4j.appender.console=org.apache.log4j.ConsoleAppender
log4j.appender.console.target=System.err
log4j.appender.console.layout=org.apache.log4j.PatternLayout
log4j.appender.console.layout.ConversionPattern=%d{ISO8601} %-5p [%t] %c{2}: %m%n
log4j.appender.asyncconsole=org.apache.hadoop.hbase.AsyncConsoleAppender
log4j.appender.asyncconsole.target=System.err
# Custom Logging levels
log4j.logger.org.apache.zookeeper=INFO

48
hbase-common/src/main/java/org/apache/hadoop/hbase/AsyncConsoleAppender.java Normal file
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@ -0,0 +1,48 @@
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.hadoop.hbase;
import org.apache.hadoop.hbase.classification.InterfaceAudience;
import org.apache.log4j.AsyncAppender;
import org.apache.log4j.ConsoleAppender;
import org.apache.log4j.PatternLayout;
/**
* Logger class that buffers before trying to log to the specified console.
*/
@InterfaceAudience.Private
public class AsyncConsoleAppender extends AsyncAppender {
private final ConsoleAppender consoleAppender;
public AsyncConsoleAppender() {
super();
consoleAppender = new ConsoleAppender(new PatternLayout(
"%d{ISO8601} %-5p [%t] %c{2}: %m%n"));
this.addAppender(consoleAppender);
}
public void setTarget(String value) {
consoleAppender.setTarget(value);
}
public void activateOptions() {
consoleAppender.activateOptions();
super.activateOptions();
}
}