如何配置log4j.xml以获取调试信息;“javax.net.debug”;
我想获取LDAP connect ssl握手调试信息,因此我将系统属性“javax.net.debug”值设置为“ssl,握手”,如下所示:如何配置log4j.xml以获取调试信息;“javax.net.debug”;,java,debugging,log4j,Java,Debugging,Log4j,我想获取LDAP connect ssl握手调试信息,因此我将系统属性“javax.net.debug”值设置为“ssl,握手”,如下所示: System.property(“javax.net.debug”、“ssl、握手”) 但是我没有得到ssl调试信息。在我的项目中,使用log4j.xml来控制调试信息,所以我想知道如何配置log4j.xml来获得“javax.net.debug”的调试信息?谢谢你的帮助 您是否已配置记录器?(除了System.property之外) javax.net
System.property(“javax.net.debug”、“ssl、握手”)代码>
但是我没有得到ssl调试信息。在我的项目中,使用log4j.xml来控制调试信息,所以我想知道如何配置log4j.xml来获得“javax.net.debug”的调试信息?谢谢你的帮助 您是否已配置记录器?(除了System.property之外)
javax.net中的类
包不会写入Log4J附件
(实际上它们根本不使用Log4J库)。他们很可能会将调试消息输出到运行java进程的STDOUT
或STDERR
流。将这些流重定向到磁盘上的文件,然后您可以将这些消息记录在该文件中。如果您使用的是某台服务器(例如Tomcat或JBoss),请阅读该服务器关于如何控制来自这些进程的I/O流的文档
Log4j.xml
与此无关
编辑:如果您使用的是Tomcat(或Jboss),那么您可能需要在log4j.xml
中检查ConsolePender
的日志阈值。默认情况下,它被设置为INFO
,并重定向到日志目录中的console.log
文件。SunJSSE具有内置调试功能,并由系统属性javax.net.debug(-Djavax.net.debug=all)激活。打印到标准输出的调试消息
我扩展了java.io.PrintStream类,通过将所有System.out.print方法调用转发到记录器,我在由log4j配置的应用程序文件日志中获得JSSE调试消息
我仅在应用程序的记录器处于调试级别时才激活重定向:
if (logger.isDebugEnabled())
StdOutLogger.enable();
通过调用以下命令停用重定向:
StdOutLogger.disable();
请查看StdOutLogger类:
package com.mydomain.util.log4j;
import java.io.PrintStream;
import java.util.Locale;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StdOutLogger extends PrintStream
{
private static Logger logger =
LoggerFactory.getLogger(StdOutLogger.class);
private static volatile StdOutLogger systemOutLogger;
private static PrintStream originalStream = System.out;
private static boolean isEnabled = false;
private StringBuilder builder;
private String lineSeparator = System.getProperty("line.separator");
private StdOutLogger(PrintStream original)
{
super(original);
builder = new StringBuilder();
logger.debug("Reassign standard output stream to log" + lineSeparator);
}
public static StdOutLogger getInstance()
{
if(systemOutLogger == null)
{
synchronized(StdOutLogger.class)
{
if(systemOutLogger == null)
systemOutLogger = new StdOutLogger(originalStream);
}
}
return systemOutLogger;
}
/**
* Enable forwarding System.out.println calls to the logger
*/
public static void enable()
{
if (isEnabled)
return;
systemOutLogger = StdOutLogger.getInstance();
try
{
System.setOut(systemOutLogger);
isEnabled = true;
}
catch (Exception e)
{
logger.error("Failed to reassign the standard output stream to log: " + e.getMessage());
}
}
/**
* Disable forwarding to the logger resetting the standard output to the console
*/
public static void disable()
{
if (!isEnabled)
return;
try
{
System.setOut(originalStream);
isEnabled = false;
}
catch (Exception e)
{
logger.error("Failed to reassign the standard output stream: " + e.getMessage());
}
systemOutLogger = null;
}
@Override
public void println()
{
originalStream.println();
printToLogger(lineSeparator, false);
}
@Override
public void print(final String s)
{
originalStream.print(s);
printToLogger(s, false);
}
@Override
public void print(final int i)
{
originalStream.print(i);
printToLogger(String.valueOf(i), false);
}
@Override
public void print(final long l)
{
originalStream.print(l);
printToLogger(String.valueOf(l), false);
}
@Override
public void print(final float f)
{
originalStream.print(f);
printToLogger(String.valueOf(f), false);
}
@Override
public void print(final double d)
{
originalStream.print(d);
printToLogger(String.valueOf(d), false);
}
@Override
public void print(final Object obj)
{
originalStream.print(obj);
printToLogger(String.valueOf(obj), false);
}
@Override
public void print(char c)
{
originalStream.print(c);
printToLogger(String.valueOf(c), false);
}
@Override
public void print(boolean b)
{
originalStream.print(b);
printToLogger(String.valueOf(b), false);
}
@Override
public void println(final String s)
{
originalStream.println(s);
printToLogger(s, true);
}
@Override
public void println(final int i)
{
originalStream.println(i);
printToLogger(String.valueOf(i), true);
}
@Override
public void println(final long l)
{
originalStream.println(l);
printToLogger(String.valueOf(l), true);
}
@Override
public void println(final float f)
{
originalStream.println(f);
printToLogger(String.valueOf(f), true);
}
@Override
public void println(final double d)
{
originalStream.println(d);
printToLogger(String.valueOf(d), true);
}
@Override
public void println(final Object obj) {
originalStream.println(obj);
printToLogger(String.valueOf(obj), true);
}
@Override
public void println(char c) {
originalStream.println(c);
printToLogger(String.valueOf(c), true);
}
@Override
public void println(boolean b) {
originalStream.println(b);
printToLogger(String.valueOf(b), true);
}
@Override
public PrintStream append(CharSequence csq, int start, int end)
{
CharSequence cs = (csq == null ? "null" : csq);
printToLogger(cs.subSequence(start, end).toString(), false);
return this;
}
@Override
public void write(int b)
{
originalStream.write(b);
printToLogger(String.valueOf((char)b), false);
}
@Override
public void write(byte buf[], int off, int len)
{
originalStream.write(buf, off, len);
if (buf == null)
{
throw new NullPointerException();
}
else if ((off < 0) || (off > buf.length) || (len < 0) ||
((off + len) > buf.length) || ((off + len) < 0)) {
throw new IndexOutOfBoundsException();
}
else if (len == 0) {
return;
}
byte[] pb = new byte[len];
for (int i = 0 ; i < len ; i++) {
pb[i] = (buf[off + i]);
}
String str = new String(pb);
printToLogger(str, false);
}
@Override
public PrintStream printf(String format, Object ... args)
{
return format(format, args);
}
@Override
public PrintStream format(String format, Object ... args)
{
originalStream.format(format, args);
printToLogger(String.format(format, args), false);
return this;
}
@Override
public PrintStream format(Locale l, String format, Object ... args)
{
originalStream.format(l, format, args);
printToLogger(String.format(format, args), false);
return this;
}
@Override
public void flush()
{
originalStream.flush();
if (builder.length() > 0)
{
logger.debug(builder.toString());
builder = new StringBuilder();
}
//builder.append(lineSeparator);
}
private void printToLogger(String str, boolean isNewLine)
{
if (str.endsWith(lineSeparator))
{
int endIndex = str.lastIndexOf(lineSeparator);
str = str.substring(0, endIndex);
isNewLine = true;
}
builder.append(str);
if (isNewLine)
{
logger.debug(builder.toString());
builder = new StringBuilder();
}
}
包com.mydomain.util.log4j;
导入java.io.PrintStream;
导入java.util.Locale;
导入org.slf4j.Logger;
导入org.slf4j.LoggerFactory;
公共类StdOutLogger扩展了PrintStream
{
专用静态记录器=
LoggerFactory.getLogger(StdOutLogger.class);
专用静态易失性StdOutLogger系统输出记录器;
私有静态PrintStream originalStream=System.out;
私有静态布尔值isEnabled=false;
私人建筑商;
私有字符串lineSeparator=System.getProperty(“line.separator”);
专用StdOutLogger(打印流原件)
{
超级(原件);
生成器=新的StringBuilder();
调试(“将标准输出流重新分配给日志”+行分隔符);
}
公共静态StdOutLogger getInstance()
{
if(systemOutLogger==null)
{
已同步(StdOutLogger.class)
{
if(systemOutLogger==null)
systemOutLogger=新的StdOutLogger(原始流);
}
}
返回系统输出记录器;
}
/**
*启用将System.out.println调用转发到记录器
*/
公共静态void enable()
{
如果(已启用)
返回;
systemOutLogger=StdOutLogger.getInstance();
尝试
{
系统放样(系统输出记录器);
isEnabled=true;
}
捕获(例外e)
{
logger.error(“未能将标准输出流重新分配给日志:+e.getMessage());
}
}
/**
*禁用转发至记录器,重置控制台的标准输出
*/
公共静态无效禁用()
{
如果(!isEnabled)
返回;
尝试
{
系统放样(原始流程);
isEnabled=false;
}
捕获(例外e)
{
logger.error(“未能重新分配标准输出流:+e.getMessage());
}
systemOutLogger=null;
}
@凌驾
public void println()
{
originalStream.println();
printToLogger(行分隔符,假);
}
@凌驾
公共作废打印(最终字符串s)
{
原始流打印;
打印日志(s,假);
}
@凌驾
公开作废打印(最终int i)
{
原始流打印(i);
printToLogger(String.valueOf(i),false);
}
@凌驾
公开作废打印(最终长l)
{
原始流打印(l);
printToLogger(字符串.valueOf(l),false);
}
@凌驾
公开作废打印(最终浮动f)
{
原始流打印(f);
printToLogger(String.valueOf(f),false);
}
@凌驾
公开作废打印(最终双d)
{
原始流打印(d);
printToLogger(String.valueOf(d),false);
}
@凌驾
公共作废打印(最终对象obj)
{
原始流打印(obj);
printToLogger(String.valueOf(obj),false);
}
@凌驾
公共作废打印(字符c)
{
原始流打印(c);
printToLogger(String.valueOf(c),false);
}
@凌驾
公共作废打印(布尔b)
{
原始流打印(b);
printToLogger(String.valueOf(b),false);
}
@凌驾
public void println(最终字符串s)
{
原始流打印号(s);
printToLogger(s,正确);
}
@凌驾
公共无效打印LN(最终整数i)
{
原始流println(i);
printToLogger(String.valueOf(i),true);
}
@凌驾
公共作废打印LN(最终长l)
{
原始流println(l);
printToLogger(String.valueOf(l),真);
}
@凌驾
公共作废打印LN(最终浮动f)
{
原始流println(f);
printToLogger(String.valueOf(f),true);
}
@凌驾
公共作废打印LN(最终双d)
{
原始流println(d);
printToLogger(String.valueOf(d),true);
}
@凌驾
公共无效打印LN(最终对象obj){
原始流println(obj);
printToLogger(String.valueOf(obj),true);
}
@凌驾
公共无效打印LN(字符c){
原始流println(c);
printToLogger(String.valueOf(c),true);
}
@凌驾
公共void println(布尔b){
原创
package com.mydomain.util.log4j;
import java.io.PrintStream;
import java.util.Locale;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class StdOutLogger extends PrintStream
{
private static Logger logger =
LoggerFactory.getLogger(StdOutLogger.class);
private static volatile StdOutLogger systemOutLogger;
private static PrintStream originalStream = System.out;
private static boolean isEnabled = false;
private StringBuilder builder;
private String lineSeparator = System.getProperty("line.separator");
private StdOutLogger(PrintStream original)
{
super(original);
builder = new StringBuilder();
logger.debug("Reassign standard output stream to log" + lineSeparator);
}
public static StdOutLogger getInstance()
{
if(systemOutLogger == null)
{
synchronized(StdOutLogger.class)
{
if(systemOutLogger == null)
systemOutLogger = new StdOutLogger(originalStream);
}
}
return systemOutLogger;
}
/**
* Enable forwarding System.out.println calls to the logger
*/
public static void enable()
{
if (isEnabled)
return;
systemOutLogger = StdOutLogger.getInstance();
try
{
System.setOut(systemOutLogger);
isEnabled = true;
}
catch (Exception e)
{
logger.error("Failed to reassign the standard output stream to log: " + e.getMessage());
}
}
/**
* Disable forwarding to the logger resetting the standard output to the console
*/
public static void disable()
{
if (!isEnabled)
return;
try
{
System.setOut(originalStream);
isEnabled = false;
}
catch (Exception e)
{
logger.error("Failed to reassign the standard output stream: " + e.getMessage());
}
systemOutLogger = null;
}
@Override
public void println()
{
originalStream.println();
printToLogger(lineSeparator, false);
}
@Override
public void print(final String s)
{
originalStream.print(s);
printToLogger(s, false);
}
@Override
public void print(final int i)
{
originalStream.print(i);
printToLogger(String.valueOf(i), false);
}
@Override
public void print(final long l)
{
originalStream.print(l);
printToLogger(String.valueOf(l), false);
}
@Override
public void print(final float f)
{
originalStream.print(f);
printToLogger(String.valueOf(f), false);
}
@Override
public void print(final double d)
{
originalStream.print(d);
printToLogger(String.valueOf(d), false);
}
@Override
public void print(final Object obj)
{
originalStream.print(obj);
printToLogger(String.valueOf(obj), false);
}
@Override
public void print(char c)
{
originalStream.print(c);
printToLogger(String.valueOf(c), false);
}
@Override
public void print(boolean b)
{
originalStream.print(b);
printToLogger(String.valueOf(b), false);
}
@Override
public void println(final String s)
{
originalStream.println(s);
printToLogger(s, true);
}
@Override
public void println(final int i)
{
originalStream.println(i);
printToLogger(String.valueOf(i), true);
}
@Override
public void println(final long l)
{
originalStream.println(l);
printToLogger(String.valueOf(l), true);
}
@Override
public void println(final float f)
{
originalStream.println(f);
printToLogger(String.valueOf(f), true);
}
@Override
public void println(final double d)
{
originalStream.println(d);
printToLogger(String.valueOf(d), true);
}
@Override
public void println(final Object obj) {
originalStream.println(obj);
printToLogger(String.valueOf(obj), true);
}
@Override
public void println(char c) {
originalStream.println(c);
printToLogger(String.valueOf(c), true);
}
@Override
public void println(boolean b) {
originalStream.println(b);
printToLogger(String.valueOf(b), true);
}
@Override
public PrintStream append(CharSequence csq, int start, int end)
{
CharSequence cs = (csq == null ? "null" : csq);
printToLogger(cs.subSequence(start, end).toString(), false);
return this;
}
@Override
public void write(int b)
{
originalStream.write(b);
printToLogger(String.valueOf((char)b), false);
}
@Override
public void write(byte buf[], int off, int len)
{
originalStream.write(buf, off, len);
if (buf == null)
{
throw new NullPointerException();
}
else if ((off < 0) || (off > buf.length) || (len < 0) ||
((off + len) > buf.length) || ((off + len) < 0)) {
throw new IndexOutOfBoundsException();
}
else if (len == 0) {
return;
}
byte[] pb = new byte[len];
for (int i = 0 ; i < len ; i++) {
pb[i] = (buf[off + i]);
}
String str = new String(pb);
printToLogger(str, false);
}
@Override
public PrintStream printf(String format, Object ... args)
{
return format(format, args);
}
@Override
public PrintStream format(String format, Object ... args)
{
originalStream.format(format, args);
printToLogger(String.format(format, args), false);
return this;
}
@Override
public PrintStream format(Locale l, String format, Object ... args)
{
originalStream.format(l, format, args);
printToLogger(String.format(format, args), false);
return this;
}
@Override
public void flush()
{
originalStream.flush();
if (builder.length() > 0)
{
logger.debug(builder.toString());
builder = new StringBuilder();
}
//builder.append(lineSeparator);
}
private void printToLogger(String str, boolean isNewLine)
{
if (str.endsWith(lineSeparator))
{
int endIndex = str.lastIndexOf(lineSeparator);
str = str.substring(0, endIndex);
isNewLine = true;
}
builder.append(str);
if (isNewLine)
{
logger.debug(builder.toString());
builder = new StringBuilder();
}
}
<appender name="STDOUTLOG" class="org.jboss.logging.appender.DailyRollingFileAppender">
<errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
<param name="File" value="${jboss.server.log.dir}/stdout.log"/>
<param name="Append" value="false"/>
<param name="DatePattern" value="'.'yyyy-MM-dd"/>
<layout class="org.apache.log4j.PatternLayout">
<!-- The default pattern: Date Priority [Category] (Thread) Message\n -->
<param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n"/>
</layout>
</appender>
<appender name="STDERRLOG" class="org.jboss.logging.appender.DailyRollingFileAppender">
<errorHandler class="org.jboss.logging.util.OnlyOnceErrorHandler"/>
<param name="File" value="${jboss.server.log.dir}/stderr.log"/>
<param name="Append" value="false"/>
<param name="DatePattern" value="'.'yyyy-MM-dd"/>
<layout class="org.apache.log4j.PatternLayout">
<!-- The default pattern: Date Priority [Category] (Thread) Message\n -->
<param name="ConversionPattern" value="%d %-5p [%c] (%t) %m%n"/>
</layout>
</appender>
...(snip)...
<category name="STDOUT" additivity="false">
<priority value="INFO" />
<appender-ref ref="STDOUTLOG"/>
</category>
<category name="STDERR" additivity="false">
<priority value="INFO" />
<appender-ref ref="STDERRLOG"/>
</category>