How to prevent java.util.logging from displaying pop-up dialog on SEVERE?

Hi,
I'm new to using java.util.logging. I notice that whenever I try to make a call to logger.SEVERE(msg) or logger.WARNING(msg), not only does it write the output to file (which I want), but it also pops up a dialog box displaying the exception. I don't want this pop up to appear. How do I prevent the logger from doing this?

What are you talking about?
Hello,
In order to better assist you with your issue please provide us with a screenshot. If you need help to create a screenshot, please see [[How do I create a screenshot of my problem?]]
Once you've done this, attach the saved screenshot file to your forum post by clicking the '''Browse...''' button below the ''Post your reply'' box. This will help us to visualize the problem.
Thank you!

Similar Messages

Preventing java.util.logging.Logger from writing to STD ERR.

Hi!
I'm currently writing a program which uses the java.util.logging package for logging. For some reason it writes ALL logging to std err (as well as to the designated (file) handlers). From what I gather, this is probably done via a ConsoleHandler, but I certainly haven't added any ConsoleHandler. I've also tried printing all registered handlers, which only returns one FileHandler (i.e. the one I added :)).
The following is a simplification of the code I use:
private static Logger log = Logger.getLogger("my.package");
    static{
         String logfile = "log.txt";
          try{
               FileHandler fh = new FileHandler(logfile);
               fh.setFormatter(new Formatter() {
                    public String format( LogRecord record){
                         return record.getLevel()+ " " +new Date(record.getMillis()).toString() + ": " +record.getMessage()+ "\n";
               System.out.println(log.getHandlers().length);
               log.addHandler(fh);
               log.setLevel(Level.ALL);
          }catch(IOException e){
               Frontend.getInstance().displayWarning("Unable to write to log file at "+logfile);
    }Any help on this would be greatly appreciated!

The speed and on-the-spotness of that reply totally blew me away. Thanks alot, buddy :).

FMMC , how to prevent FM area screen from keep popping up

hi guys,
how to prevent FMMC from having FM area from keep popping up..i need to create a program using submit report via FMMC.
IF FM area screen keeps popping up, it will disrupt the process , i tried to use OKKS but it doesnt stop the screen from keep popping up , pls advice

Notifications>Messages>Show Preview & View in Lock Screen

How to prevent the printed page from displaying when printing to pdf

I have Acrobat 7.0 Pro running on XP Pro. Immediately after I print an Excel, Word or text file to pdf, the pdf output automatically opens on my screen. Is there a way to turn this off? Thanks!

Turn off the viewing option in printer properties.

Unable to capture messages from java.util.logging

I have a class called (Caller.java) which invokes a method called foo from another java class(Util.java) using reflection API.Now this method foo logs messages using Java's logger.My requirement is to call foo for 3 times from Caller and capture/redirect the log messages into 3 log files.
But only the first log file is capturing the log messages(from logger) and other two are not ?
Plz suggest if I am doing somethin wrong here ?
Caller.java
package project2;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintStream;
import java.lang.reflect.Method;
public class Caller {
    public Caller() {
    public static void main(String[] args) throws Exception {
        Caller caller = new Caller();
        for (int i = 0 ;i<3 ;i++ ) {
            caller.createLogStream(i);
            System.setOut(caller.getPs());
            System.setErr(caller.getPs());
            /*****************Invoking Util.java*****************************/
            Class clas = Class.forName("project2.Util");
            Method m = clas.getMethod("foo",null);
            Object obj =clas.newInstance();
            m.invoke(obj,null);
    public void createLogStream(int i) throws FileNotFoundException {
        ps = new PrintStream(new File(System.getenv("HOME")+File.separator+"MyLog"+i+".log"));
    public void closeLogStream(){
        ps.close();
        ps = null;
    private PrintStream ps = null;
    public PrintStream getPs() {
        return ps;
} Util.java
package project2;
import java.util.logging.Logger;
public class Util {
    Logger logger = null;
    public Util() {
        logger = Logger.getLogger(this.getClass().getName());
    public void foo(){
        System.out.println("Hello out stream");
        System.err.println("Hello error stream");
        logger.info("This is an information");
        logger.warning("This is a warning message");
        logger.severe("This is fatal!! ");
}First Log file MyLog0.log:
Hello out stream
Hello error stream
Feb 16, 2009 7:55:55 PM project2.Util foo
INFO: This is an information
Feb 16, 2009 7:55:55 PM project2.Util foo
WARNING: This is a warning message
Feb 16, 2009 7:55:55 PM project2.Util foo
SEVERE: This is fatal!!
Feb 16, 2009 7:55:55 PM project2.Util foo
INFO: This is an information
Feb 16, 2009 7:55:55 PM project2.Util foo
WARNING: This is a warning message
Feb 16, 2009 7:55:55 PM project2.Util foo
SEVERE: This is fatal!!
Feb 16, 2009 7:55:55 PM project2.Util foo
INFO: This is an information
Feb 16, 2009 7:55:55 PM project2.Util foo
WARNING: This is a warning message
Feb 16, 2009 7:55:55 PM project2.Util foo
SEVERE: This is fatal!! Other 2 log files have only this much
Hello out stream
Hello error stream

A stale Connection Factory or Connection Handle may be used in SOA 11g
Regards,
Anuj

Java.util.logging: write to one log file from many application (classes)

I have a menuapp to launch many applications, all running in same JVM and i want to add logging information to them, using java.util.logging.
Intention is to redirect the logginginfo to a specific file within the menuapp. Then i want all logging from all applications written in same file. Finally, if needed (but i don't think it is), i will include code to write logging to specific file per app (class). The latter is probably not neccessary because there are tools to analyse the logging-files and allow to select filters on specific classes only.
The applications are in their own packages/jars and contain following logging-code:
        // Redirect error output
        try {
            myHandler = new FileHandler("myLogging.xml",1000000,2);
        } catch (IOException e) {
          System.out.println("Could not create file. Using the console handler");
        myLogger.addHandler(myHandler);
        myLogger.info("Our first logging message");
        myLogger.severe("Something terrible happened");
        ...When i launch the menuapplication, it writes info to "myLogging.xml.0"
but when i launch an application, the app writes info to "myLogging.xml.0.1"
I already tried to leave out the creation of a new Filehandler (try/catch block in code above) but it doesn't help.
Is it possible to write loginfo to same specific file?

You should open/close it somehow at every write from different processes.
But I personally prefer different file names to your forced merging, though.

Getting no output from java.util.logging.FileHandler

I am new to Java as is the company I work for, but we have just landed a contract that specifies J2EE as the platform, so here we are. :-) Please bear with me.
I have been charged with determining our logging architecture and it looks like what is available in java.util.logging will do well (though we may use log4j). However, at this point I am just trying to get anything to work and not having much luck.
We are using JSF on the front end and I have created a very simple JSF page to test logging. The relevant code is below and I hope will be self explanatory: This code is not meant to be efficient or anything. It is just a proof of concept.
    public String button1_action() {
        // User event code here...
        try {
            Logger l = java.util.logging.Logger.getLogger(Page1.class.getName());
            l.entering(Page1.class.getName(), "button1_action");
            l.info(this.textField1.getValue().toString());
            l.exiting(Page1.class.getName(), "button1_action");
            java.util.logging.Handler h = l.getHandlers()[0];
            h.flush();
        catch(Exception ex) {
            //I have tested this and we aren?t catching any errors.
            System.err.println(ex);
        return "";
    }My logger.properties files looks like this:
handlers= java.util.logging.FileHandler
.level= FINEST
java.util.logging.FileHandler.pattern = c:/sun/logs/test-%u.log
java.util.logging.FileHandler.limit = 50000
java.util.logging.FileHandler.count = 1
java.util.logging.FileHandler.formatter = java.util.logging.SimpleFormatterI have developed and tested this in Sun Studio Creator 2004Q2 What is happening is that I am getting three log files in c:/sun/logs
test-0.log, test-1.log and test-2.log. The first two contain output from various sun components. (sun.rmi.transport for example). The third log remains empty. (zero length)
I have also deployed the test app to a tomcat 5.0.28 server and get similar results. The only difference is I get only one two log files and the second one remains empty.
Any assistance or suggestions as to what direction I should be taking would be appreciated.
--Ken

Do not use default logger as getLoggers[0] , but use your java.util.Logger.FileHandler and add filehandler object to log your fButtonActions and you do not need to mess with logger.properties too.

How is java.util.logging used to log to unix syslog?

I'm trying to log out to syslog using the java.util.logging that is now in 1.4. I've read all I can find on this topic (not much) and have solicited the used of some syslog free ware (protomatter) but still can't get this to work. I feel like I'm missing something simple here, any help would be appreciated....
Here is my latest attempt:
import java.util.logging.*;
import java.util.*;
import java.io.*;
import com.protomatter.syslog.SyslogHandler;
public class SyslogTest
public static void main(String argv[]){
Logger logger2 = Logger.getLogger("local3");
SyslogHandler ch = new SyslogHandler();
ch.setLevel(Level.WARNING);
logger2.addHandler(ch);
logger2.warning("this is a log message");
if (logger2.isLoggable(Level.WARNING)) {
System.out.println("Is LOGGABLE");
else {
System.out.println("Is not loggable");
When this is run nothing is printed to any of the local3 facilities. I've verified that syslog is running fine from the command line using unix logger, so the problem seems to be isolated to my java.
Thanks.

Hi,
What is in your logging.properties file? Can you also include the contents of this file?
Cheers,
Craig.

Java.util.logging - Problem with setting different Levels for each Handler

Hello all,
I am having issues setting up the java.util.logging system to use multiple handlers.
I will paste the relevant code below, but basically I have 3 Handlers. One is a custom handler that opens a JOptionPane dialog with the specified error, the others are ConsoleHandler and FileHandler. I want Console and File to display ALL levels, and I want the custom handler to only display SEVERE levels.
As it is now, all log levels are being displayed in the JOptionPane, and the Console is displaying duplicates.
Here is the code that sets up the logger:
logger = Logger.getLogger("lib.srr.applet");
// I have tried both with and without the following statement
logger.setLevel(Level.ALL);
// Log to file for all levels FINER and up
FileHandler fh = new FileHandler("mylog.log");
fh.setFormatter(new SimpleFormatter());
fh.setLevel(Level.FINER);
// Log to console for all levels FINER and up
ConsoleHandler ch = new ConsoleHandler();
ch.setLevel(Level.FINER);
// Log SEVERE levels to the User, through a JOptionPane message dialog
SRRUserAlertHandler uah = new SRRUserAlertHandler();
uah.setLevel(Level.SEVERE);
uah.setFormatter(new SRRUserAlertFormatter());
// Add handlers
logger.addHandler(fh);
logger.addHandler(ch);
logger.addHandler(uah);
logger.info(fh.getLevel().toString() + " -- " + ch.getLevel().toString() + " -- " + uah.getLevel().toString());
logger.info("Logger Initialized.");Both of those logger.info() calls displays to the SRRUserAlertHandler, despite the level being set to SEVERE.
The getLevel calls displays the proper levels: "FINER -- FINER -- SEVERE"
When I start up the applet, I get the following in the console:
Apr 28, 2009 12:01:34 PM lib.srr.applet.SRR initLogger
INFO: FINER -- FINER -- SEVERE
Apr 28, 2009 12:01:34 PM lib.srr.applet.SRR initLogger
INFO: FINER -- FINER -- SEVERE
Apr 28, 2009 12:01:40 PM lib.srr.applet.SRR initLogger
INFO: Logger Initialized.
Apr 28, 2009 12:01:40 PM lib.srr.applet.SRR initLogger
INFO: Logger Initialized.
Apr 28, 2009 12:01:41 PM lib.srr.applet.SRR init
INFO: Preparing Helper Files.
Apr 28, 2009 12:01:41 PM lib.srr.applet.SRR init
INFO: Preparing Helper Files.
Apr 28, 2009 12:01:42 PM lib.srr.applet.SRR init
INFO: Getting PC Name.
Apr 28, 2009 12:01:42 PM lib.srr.applet.SRR init
INFO: Getting PC Name.
Apr 28, 2009 12:01:42 PM lib.srr.applet.SRR init
INFO: Finished Initialization.
Apr 28, 2009 12:01:42 PM lib.srr.applet.SRR init
INFO: Finished Initialization.Notice they all display twice. Each of those are also being displayed to the user through the JOptionPane dialogs.
Any ideas how I can properly set this up to send ONLY SEVERE to the user, and FINER and up to the File/Console?
Thanks!
Edit:
Just in case, here is the code for my SRRUserAlertHandler:
public class SRRUserAlertHandler extends Handler {
     public void close() throws SecurityException {
     public void flush() {
     public void publish(LogRecord arg0) {
          JOptionPane.showMessageDialog(null, arg0.getMessage());
}Edited by: compbry15 on Apr 28, 2009 9:44 AM

For now I have fixed the issue of setLevel not working by making a Filter class:
public class SRRUserAlertFilter implements Filter {
     public boolean isLoggable(LogRecord arg0) {
          if (arg0.getLevel().intValue() >= Level.WARNING.intValue()) {
               System.err.println(arg0.getLevel().intValue() + " -- " + Level.WARNING.intValue());
               return true;
          return false;
}My new SRRUserAlertHandler goes like this now:
public class SRRUserAlertHandler extends Handler {
     public void close() throws SecurityException {
     public void flush() {
     public void publish(LogRecord arg0) {
          Filter theFilter = this.getFilter();
          if (theFilter.isLoggable(arg0))
               JOptionPane.showMessageDialog(null, arg0.getMessage());
}This is ugly as sin .. but I cannot be required to change an external config file when this is going in an applet.
After much searching around, this logging api is quite annoying at times. I have seen numerous other people run into problems with it not logging specific levels, or logging too many levels, etc. A developer should be able to complete configure the system without having to modify external config files.
Does anyone else have another solution?

OracleLog.properties for java.util.logging

In the Oracle JDBC FAQ the answer to the question "How do I configure java.util.logging to get useful trace output from Oracle JDBC?" <http://otn.oracle.com/tech/java/sqlj_jdbc/htdocs/jdbc_faq.htm#36_03> mentions the file "OracleLog.properties" provided in the "demo.zip" file.
I cannot find the file "OracleLog.properties" anywhere?
Any suggestions?
Kindest Regards,
Gerhard Hofmann

It seems a logger instance HAS been created for my Test class, I've added the lines below. Though it didn't appear in the logger names enumeration.
java.util.logging.Logger logger = java.util.logging.Logger.getLogger(name);
System.out.println(logger.getName()+"="+logger.getLevel().getName());
logger.severe("severe");
logger.warning("warning");
logger.info("info");
logger.config("config");
logger.fine("fine");
logger.finer("finer");
logger.finest("finest");Output:Test=FINEST
6/10/2003 16:00:01 Test <init>
SEVERE: severe
6/10/2003 16:00:01 Test <init>
WARNING: warning
6/10/2003 16:00:01 Test <init>
INFO: infoObservations:
1) Despite my Test class having the FINEST log level, the default ConsoleHandler had log level of INFO, and hence only up to INFO logged.

Using java.util.logging Properly

Hello,
I have implemented java.util.logging in my application by creating a kind of "wrapper" class that I call for handling logging. It doesn't extend the logging classes, it just provides an object with helper methods that I can call when I want it.
public class LogCleanerLogger {
    private static final String cleanerLogfile = "logcleanerlog%g.txt";
    private static final String loggerName = "LogCleaner";
    private Logger cleanerLogger = null;
    public LogCleanerLogger() throws IOException{
        this.cleanerLogger = Logger.getLogger(getLoggerName());
        cleanerLogger.setUseParentHandlers(false);
        FileHandler logFile = new FileHandler(getCleanerLogfile(),10000,1, true);
        logFile.setFormatter(new SimpleFormatter());
        cleanerLogger.addHandler(logFile);
    public void writeLogInfoMessage(String message){
        cleanerLogger.info(message);
    public void writeLogWarningMessage(String message){
        cleanerLogger.warning(message);
    public void writeLogErrorMessage(String message){
        cleanerLogger.severe(message);
// getters and setters
} // end class    This all works quite happily and I can log any information I want. Except for one thing -- my log directory ends up with the log file (logcleanerlog0.txt) and a list of what appear to be temporary logs, e.g. logcleanerlog0.txt.1, logcleanerlog0.txt.2, and so on. Each increment of the number corresponds to a log file that has progressively less information in it that the previous one. At the top level, the unnumbered log, logcleanerlog0.txt, has all the logged information in it.
I cannot make out, from reading the API and other documentation, how I can get rid of these other files, which appear to me to be temporary files used in the construction of the top level file.
Can someone help me by explaining the mechanism for generating these files and either (a) how I can get rid of them altogether or (b) how I can arrange for them to be generated in a temp dir, while keeping the main log in the present directory (application root).
Or perhaps there is a "better way" (that is equally as easy, of course ;-).
Thanks.
mp

are you sure you cannot use the classes from a newer
version. You can put those classes in your own
directory. If there ar some other classes that need to
be from the newer version, you can include them, also
in your project. It is important that your project
directory to be placed in the classpath variable
before the jdk jars.
(this solution might not work)I doubt that is worth trying.
First, although it probably does not apply in this case, you are not allowed to distribute part of a JVM. So you could never use this solution in a commercial application.
Secondly the Java API does change. And every execution path that might use the changed code would have to be tested. That is going to take a lot of work. Keep in mind that the logging api uses java.lang.String and java.lang.String definitely changed in 1.4 and almost every class in the Java API uses it.

Where to find .jar files so I can implement import java.util.logging

I'm trying to figure out how to take an application built for Websphere and port it to WebLogic. I've come across this blog entry http://blogs.sun.com/fkieviet/entry/using_java.util.logging_in_bea_weblogic and would like to try creating and using the startup class.
I have not been able to find the correct jar files.
import weblogic.common.T3ServicesDef;
import weblogic.common.T3StartupDef;
import weblogic.logging.LoggingHelper;
In reading the documentation on using the NonCatalogLogger APIs at http://download.oracle.com/docs/cd/E12840_01/wls/docs103/i18n/writing.html I also see some code calling for the following imports
import weblogic.jndi.Environment;
import weblogic.logging.NonCatalogLogger;
1. Does anyone know where I can grab these?
2. There must be a strategy for finding these .jars that people use. If so, what is it?

I thought I understood you, but the more I look at what you've set here, I'll just be honest and admit that the I don't know what you are saying here:
'You should be able to add the "weblogic.jar" in the WebLogic distribution to your classpath.' - What doe this mean?
1. Go to my xxxWeb app Dynamic Web Project and right-click and select Build Path / Configure Build Bath / Libraries - Select Add external JARS and navigate to the weblogic.jar
2. Go to my xxxWeb app Dynamic Web Project and right-click and select Build Path / Configure Build Bath / Libraries - Select Add Library and try to go from there?
3. Go to my xxxWeb app Dynamic Web Project and right-click and select Build Path / Configure Build Bath / Libraries - Select Add Variable and try to go from there?
4. Go to my xxxWeb app Dynamic Web Project and right-click and select Build Path / Configure Build Bath and do something else?
5. Something else?
Also, I don't know what you mean here:
'You don't need to (and you shouldn't) copy that jar file, just have it in your compilation classpath. It will be present automatically at runtime.'
Sorry for being so simple here but I've been trouble shooting why I can't follow what look like pretty simple steps to implement over-riding the ApplicationLifecycleListener Class to use existing java.util.logging.Logger code by adding the following to the the weblogic-application.xml:
<wls:listener>
<wls:listener-class>com.qualcomm.weblogic.log.listener.UtilLogWrapper</wls:listener-class>
</wls:listener>
And including as a referenced jar file, a simple POJO class instance of com.qualcomm.weblogic.log.listener.UtilLogWrapper.
My resrouces for this are:
1. http://blogs.sun.com/fkieviet/entry/using_java.util.logging_in_bea_weblogic.
2. http://www.oracle.com/technology/pub/articles/drolet-ant.html.
Maybe my weblogic.jar is at the root of the problem.
I hope you can 'dumb this down' for me with a simple explanation of steps to do what you outlined above.

Doubt in java.util.logging

Hi,
I have doubt in logging api provided in java 1.4.
I have a simple program to get the logger and output log into it.
This is how the program looks.
LogTest.java
import java.util.logging.*;
import java.util.*;
public class LogTest {
public static void main(String args[]) {
     LogManager manager = LogManager.getLogManager();
     Logger l = manager.getLogger("global");
     System.out.println(l);
     l.severe("Test");
     System.out.println(manager.getLogger("ivy"));
     System.out.println(manager.getLogger("test"));
I able to get the instance of the global logger, but im not able to get instance of other logger. I getting null for all the other logger
test.properites
=================
handlers = java.util.logging.ConsoleHandler
java.util.logging.ConsoleHandler.level=INFO
java.util.logging.ConsoleHandler.formatter = java.util.logging.SimpleFormatter
ivy.level = INFO
.ivy.level = INFO
=================
Compilation Command
java -Djava.util.logging.config.file=C:\WorkSpace\test.properties LogTest Output:
java.util.logging.Logger@13f5d07
Jan 25, 2006 7:19:24 PM LogTest main
SEVERE: Test
null
null
I also tried the same with no config properties, Still im getting the null for logger.
Can I know is there anything that im missing. Is there any property that must be set or do i hav set some config properties.
Thanks,
Siva

Well, basically that's part of the formatdefinition
that Properties uses. If you don't do it, then you
aren't really using Properties format and you'llhave
to do your own IO.Thanks for the reply. Is there anyother api or class
that can be used to resolve my problem.What is the problem? A character is escaped, but you will get : when you read the value. You don't have a problem as long as all reading / writing is done through that class.

How to prevent iTunes for Windows from "Updating iTunes Library"? (Library is on a NAS and managed by iTunes for Mac. Now getting update wars between Mac and Windows versions of the player.

How to prevent iTunes for Windows from "Updating iTunes Library"?
My library is on a NAS and managed by iTunes on a Mac. I can connect from wife's Windows laptop using iTunes for Windows but every time I do, it Updates iTunes Library. Next time I log in from my Mac it Updates iTunes Library in return. It appears I'm experiencing "Update Wars" between the Mac and Windows versions of iTunes. I would like to allow my wife to stream iTunes songs to her new laptop but I don't want any updates from this source... prefer to manage the library from my Mac and not allow Windows to do any thing other than listen to existing playlists.
Thanks for any help/suggestions.

Connect the PC to the library on the NAS. Wait while "updated".
Under Edit > Preferences > Advanced make sure the media folder is correctly pointed at the media folder on the NAS. If not correct, close iTunes, wait a few moments, then open iTunes again.
Close iTunes on the PC. Do not open iTunes on the Mac.
Copy the library files, iTunes Library.itl, iTunes Library Extras.itdb, iTunes Library Genius.itdb, sentinel and the folder Album Artwork into an empty iTunes folder on the PC, for example C:\iTunes.
Click the icon to start iTunes and immediately press and hold down SHIFT. Keep holding until prompted to choose or create a library. Click choose and browse to the copied .itl file, e.g. C:\iTunes\iTunes Library.itl
The library should now work properly on the PC, however check the setting for the media folder. If needs be correct, close iTunes and reopen.
Open iTunes on the Mac. It will update again, but that should be last time.
tt2

SLF4J instead of Java Util Logging?

Hi BDBJE team,
Is it included on the BDBJE roadmap a migration from "Java Util Logging" to a most flexible framework like SLF4J?
BR,
/César.

Hi Cesar,
No, definitely not on the road map, but we are aware of the shortcomings of standard Java logging (as documented on this forum) and we will think about what to do about it. It's a little disappointing, given that we just finished moving to standard Java logging (from our own custom logging) in the last release.
--mark

How to prevent java.util.logging from displaying pop-up dialog on SEVERE?

Similar Messages

Maybe you are looking for