Package org.apache.hadoop.hbase.logging

Class Log4jUtils

java.lang.Object

org.apache.hadoop.hbase.logging.Log4jUtils

@Private
public final class Log4jUtils
extends Object

A bridge class for operating on log4j, such as changing log level, etc.

Will call the methods in InternalLog4jUtils to actually operate on the log4j stuff.

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	INTERNAL_UTILS_CLASS_NAME

Constructor Summary

Constructors

Modifier	Constructor	Description
private	Log4jUtils()

Method Summary

Modifier and Type	Method	Description
static void	disableZkAndClientLoggers()	Disables Zk- and HBase client logging
static void	enableDebug(Class<?> clazz)	Switches the logger for the given class to DEBUG level.
static Set<File>	getActiveLogFiles()
static String	getEffectiveLevel(String loggerName)
private static Method	getMethod(String methodName, Class<?>... args)
private static void	invoke(Method method, Object... args)
static void	setAllLevels(String loggerName, String levelName)
static void	setLogLevel(String loggerName, String levelName)
static void	setRootLevel(String levelName)
private static void	throwUnchecked(Throwable throwable)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

INTERNAL_UTILS_CLASS_NAME

private static final String INTERNAL_UTILS_CLASS_NAME

See Also:

• Constant Field Values

Constructor Details

Log4jUtils

private Log4jUtils()

Method Details

getMethod

private static Method getMethod(String methodName,
 Class<?>... args)

throwUnchecked

private static void throwUnchecked(Throwable throwable)

invoke

private static void invoke(Method method,
 Object... args)
                    throws AssertionError

Throws:

AssertionError

setAllLevels

public static void setAllLevels(String loggerName,
 String levelName)

setLogLevel

public static void setLogLevel(String loggerName,
 String levelName)

setRootLevel

public static void setRootLevel(String levelName)

getEffectiveLevel

public static String getEffectiveLevel(String loggerName)

getActiveLogFiles

public static Set<File> getActiveLogFiles()
                                   throws IOException

Throws:

IOException

disableZkAndClientLoggers

public static void disableZkAndClientLoggers()

Disables Zk- and HBase client logging

enableDebug

public static void enableDebug(Class<?> clazz)

Switches the logger for the given class to DEBUG level.

Parameters:

clazz - The class for which to switch to debug logging.