Examples of java.util.logging.LogManager.readConfiguration()

java.util.logging.LogManager.readConfiguration()
Reinitialize the logging properties and reread the logging configuration.
The same rules are used for locating the configuration properties as are used at startup. So normally the logging properties will be re-read from the same file that was used at startup.
Any log level definitions in the new configuration file will be applied using Logger.setLevel(), if the target Logger exists.
A PropertyChangeEvent will be fired after the properties are read. @exception SecurityException if a security manager exists and ifthe caller does not have LoggingPermission("control"). @exception IOException if there are IO problems reading the configuration.

      manager.reset();
      checkPropertyNull(manager);
      assertEquals(0, root.getHandlers().length);
      assertEquals(Level.INFO, root.getLevel());
      try {
        manager.readConfiguration();
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

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      checkPropertyNull(manager);
      assertEquals(1, root.getHandlers().length);
      assertEquals(Level.OFF, root.getLevel());


      try {
        manager.readConfiguration();
      } catch (Exception e) {
        e.printStackTrace();
      }
      checkPropertyNull(manager);
      assertEquals(1, root.getHandlers().length);

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      checkPropertyNull(manager);
      assertEquals(1, root.getHandlers().length);
      assertEquals(Level.OFF, root.getLevel());


      try {
        manager.readConfiguration();
      } catch (Exception e) {
        e.printStackTrace();
      }
      checkPropertyNull(manager);
      assertEquals(1, root.getHandlers().length);

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      manager.reset();
      checkPropertyNull(manager);
      assertEquals(0, root.getHandlers().length);
      assertEquals(Level.INFO, root.getLevel());
      try {
        manager.readConfiguration();
      } catch (Exception e) {
        e.printStackTrace();
      }
    }
  }

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      p.put(".level", "OFF");
      InputStream in = null;
      try {
        in = EnvironmentHelper.PropertiesToInputStream(p);
        LogManager manager = LogManager.getLogManager();
        manager.readConfiguration(in);
      } catch (Exception e) {
        e.printStackTrace();
      } finally {
        try {
          in.close();

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            props.put("testConfigClass.foo.level", "OFF");
            props.put("testConfigClass.foo.handlers", "java.util.logging.ConsoleHandler");        
            props.put(".level", "FINEST");
            props.remove("handlers");
            InputStream in = EnvironmentHelper.PropertiesToInputStream(props);
            man.readConfiguration(in);
        }
    }
    
  public static class MockInvalidInitClass {
    public MockInvalidInitClass() {

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        final ClassLoader cl = getClass().getClassLoader();
        AccessController.doPrivileged(new PrivilegedAction() {
            public Object run () {
                try {
                    InputStream config = cl.getResourceAsStream(PROPERIES_FILE);
                    logManager.readConfiguration(config);
                    return null;
                }
                catch (IOException ex) {
                    throw new RuntimeException(
                        msg.msg("EXC_LoggerSetupIOException", //NOI18N

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      // Try the current class loader if system one cannot find the file
      if (ins == null) {
      ins = this.getClass().getClassLoader().getResourceAsStream(loggerPropertiesFileName);
      }
      if (ins != null) {
      logManager.readConfiguration(ins);
      } else {
      System.out.println("WARNING: failed to load "+loggerPropertiesFileName);
      }
    } catch (SecurityException e) {
      handleException(e);

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  public void testConvertToMetaModelException() throws Exception {
    LogManager logManager = LogManager.getLogManager();
    File logConfigFile = new File("src/test/resources/logconfig.txt");
    assertTrue(logConfigFile.exists());
    logManager.readConfiguration(new FileInputStream(logConfigFile));


    assertTrue(JdbcUtils.wrapException(new SQLException("msg"), "foo") instanceof MetaModelException);
    assertTrue(JdbcUtils.wrapException(
        new SQLException("msg", "sql state"), "foo") instanceof MetaModelException);
    assertTrue(JdbcUtils.wrapException(new SQLException("msg", "sql state",

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        if (fname != null && new File(fname).exists())
        {
            try
            {
                // default configuration reader will examine the property and load configuration
                lm.readConfiguration();
                inited = true;
            } catch (IOException e)
            {
                System.err.println(Strings.error("logging.using.overriden.configuration.errored"));
                e.printStackTrace();

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