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Apache ZooKeeper Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/jmx/ManagedUtil.java
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.zookeeper.jmx; import java.util.Enumeration; import javax.management.JMException; import javax.management.MBeanServer; import javax.management.ObjectName; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * Shared utilities */ public class ManagedUtil { private static final Logger LOG = LoggerFactory.getLogger(ManagedUtil.class); private static boolean isLog4jJmxEnabled() { boolean enabled = false; if (Boolean.getBoolean("zookeeper.jmx.log4j.disable")) { LOG.info("Log4j 1.2 jmx support is disabled by property."); } else { try { Class.forName("org.apache.log4j.jmx.HierarchyDynamicMBean"); enabled = true; LOG.info("Log4j 1.2 jmx support found and enabled."); } catch (ClassNotFoundException e) { LOG.info("Log4j 1.2 jmx support not found; jmx disabled."); } } return enabled; } /** * Register the log4j JMX mbeans. Set system property * "zookeeper.jmx.log4j.disable" to true to disable registration. * @see <a href="http://logging.apache.org/log4j/1.2/apidocs/index.html?org/apache/log4j/jmx/package-summary.html">Log4J 1.2 API docs</a> * @throws JMException if registration fails */ @SuppressWarnings("rawtypes") public static void registerLog4jMBeans() throws JMException { if (isLog4jJmxEnabled()) { LOG.debug("registerLog4jMBeans()"); MBeanServer mbs = MBeanRegistry.getInstance().getPlatformMBeanServer(); try { // Create and Register the top level Log4J MBean // org.apache.log4j.jmx.HierarchyDynamicMBean hdm = new org.apache.log4j.jmx.HierarchyDynamicMBean(); Object hdm = Class.forName("org.apache.log4j.jmx.HierarchyDynamicMBean").getConstructor().newInstance(); String mbean = System.getProperty("zookeeper.jmx.log4j.mbean", "log4j:hierarchy=default"); ObjectName mbo = new ObjectName(mbean); mbs.registerMBean(hdm, mbo); // Add the root logger to the Hierarchy MBean // org.apache.log4j.Logger rootLogger = // org.apache.log4j.Logger.getRootLogger(); Object rootLogger = Class.forName("org.apache.log4j.Logger") .getMethod("getRootLogger", (Class<?>[]) null) .invoke(null, (Object[]) null); // hdm.addLoggerMBean(rootLogger.getName()); Object rootLoggerName = rootLogger.getClass() .getMethod("getName", (Class<?>[]) null) .invoke(rootLogger, (Object[]) null); hdm.getClass().getMethod("addLoggerMBean", String.class).invoke(hdm, rootLoggerName); // Get each logger from the Log4J Repository and add it to the // Hierarchy MBean created above. // org.apache.log4j.spi.LoggerRepository r = // org.apache.log4j.LogManager.getLoggerRepository(); Object r = Class.forName("org.apache.log4j.LogManager") .getMethod("getLoggerRepository", (Class<?>[]) null) .invoke(null, (Object[]) null); // Enumeration enumer = r.getCurrentLoggers(); Enumeration enumer = (Enumeration) r.getClass() .getMethod("getCurrentLoggers", (Class<?>[]) null) .invoke(r, (Object[]) null); while (enumer.hasMoreElements()) { Object logger = enumer.nextElement(); // hdm.addLoggerMBean(logger.getName()); Object loggerName = logger.getClass() .getMethod("getName", (Class<?>[]) null) .invoke(logger, (Object[]) null); hdm.getClass().getMethod("addLoggerMBean", String.class).invoke(hdm, loggerName); } } catch (Exception e) { LOG.error("Problems while registering log4j 1.2 jmx beans!", e); throw new JMException(e.toString()); } } } }
⏎ org/apache/zookeeper/jmx/ManagedUtil.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 13570👍, 0💬
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