Package org.apache.logging.log4j

Examples of org.apache.logging.log4j.Logger.error()

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            fail("Unexpected exception; should not occur until first logging statement " + e.getMessage());
        }

        final String message = "Log #1";
        try {
            logger.error(message);
            fail("Expected exception not thrown");
        } catch (final AppenderRuntimeException e) {
            //System.err.println("Expected exception here, but already errored out when initializing logger");
        }
    }
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        //System.err.println("Initializing logger");
        final Logger logger = LogManager.getLogger(SocketReconnectTest.class);

        String message = "Log #1";
        logger.error(message);
        String expectedHeader = "Header";

        String msg = null;
        String header = null;
        for (int i = 0; i < 5; ++i) {
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        assertNotNull("No header", header);
        assertEquals(expectedHeader, header);
        assertNotNull("No message", msg);
        assertEquals(message, msg);

        logger.error(SHUTDOWN);
        server.join();

        list.clear();

        message = "Log #2";
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        message = "Log #2";
        boolean exceptionCaught = false;

        for (int i = 0; i < 100; ++i) {
            try {
                logger.error(message);
            } catch (final AppenderRuntimeException e) {
                exceptionCaught = true;
                break;
                // System.err.println("Caught expected exception");
            }
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        server.start();
        Thread.sleep(300);

        msg = null;
        header = null;
        logger.error(message);
        for (int i = 0; i < 5; ++i) {
            Thread.sleep(100);
            if (list.size() > 1) {
                header = list.get(0);
                msg = list.get(1);
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        }
        assertNotNull("No header", header);
        assertEquals(expectedHeader, header);
        assertNotNull("No message", msg);
        assertEquals(message, msg);
        logger.error(SHUTDOWN);
        server.join();
    }


    private static class TestSocketServer extends Thread {
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        final long millis = System.currentTimeMillis();

        final Logger logger = LogManager.getLogger(this.getClass().getName() + ".testFactoryMethodConfig");
        logger.debug("Factory logged message 01.");
        logger.error("Error from factory 02.", exception);

        final Statement statement = this.connection.createStatement();
        final ResultSet resultSet = statement.executeQuery("SELECT * FROM fmLogEntry ORDER BY id");

        assertTrue("There should be at least one row.", resultSet.next());
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        final long millis = System.currentTimeMillis();

        final Logger logger = LogManager.getLogger(this.getClass().getName() + ".testFactoryMethodConfig");
        logger.debug("Factory logged message 01.");
        logger.error("Error from factory 02.", exception);

        final Statement statement = this.connection.createStatement();
        final ResultSet resultSet = statement.executeQuery("SELECT * FROM fmLogEntry ORDER BY id");

        assertTrue("There should be at least one row.", resultSet.next());
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    }

    @Test
    public void rewriteTest() throws Exception {
        Logger logger = LogManager.getLogger(AsynchAppender.class);
        logger.error("This is a test");
        logger.warn("Hello world!");
        Thread.sleep(100);
        List<String> list = app.getMessages();
        assertNotNull("No events generated", list);
        assertTrue("Incorrect number of events. Expected 2, got " + list.size(), list.size() == 2);
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   }

   @Override
   public void errorf(Throwable throwable, String format, Object... args) {
      Logger logger = getLogger();
      if (logger.isErrorEnabled()) logger.error(String.format(format, args), throwable);
   }

   @Override
   public final boolean isErrorEnabled() {
      return getLogger().isErrorEnabled();
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