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JaneTTR
2026-01-26
目录

Ambari Metrics 进阶安装技巧

# 一、问题现象与触发条件

部署 Ambari Metrics（AMS）Collector 后，服务启动失败，关键日志集中在 AMSApplicationServer WebApp 启动阶段：

2026-01-27 13:34:46,068 INFO org.apache.hadoop.http.HttpServer2: HttpServer.start() threw a non Bind IOException
java.net.BindException: Port in use: dev3:6188
        at org.apache.hadoop.http.HttpServer2.constructBindException(HttpServer2.java:1344)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1366)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:1429)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1275)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:472)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:461)
        at org.apache.ambari.metrics.AMSApplicationServer.startWebApp(AMSApplicationServer.java:135)
        at org.apache.ambari.metrics.AMSApplicationServer.serviceStart(AMSApplicationServer.java:73)
        at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
        at org.apache.ambari.metrics.AMSApplicationServer.launchAMSApplicationServer(AMSApplicationServer.java:98)
        at org.apache.ambari.metrics.AMSApplicationServer.main(AMSApplicationServer.java:107)
Caused by: java.io.IOException: Failed to bind to dev3/192.168.3.157:6188
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:349)
        at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:310)
        at org.apache.hadoop.http.HttpServer2.bindListener(HttpServer2.java:1331)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1362)
        ... 9 more
Caused by: java.net.BindException: Cannot assign requested address
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:344)
        ... 12 more
2026-01-27 13:34:46,070 ERROR org.apache.ambari.metrics.AMSApplicationServer: AHSWebApp failed to start.
org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:476)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:461)
        at org.apache.ambari.metrics.AMSApplicationServer.startWebApp(AMSApplicationServer.java:135)
        at org.apache.ambari.metrics.AMSApplicationServer.serviceStart(AMSApplicationServer.java:73)
        at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
        at org.apache.ambari.metrics.AMSApplicationServer.launchAMSApplicationServer(AMSApplicationServer.java:98)
        at org.apache.ambari.metrics.AMSApplicationServer.main(AMSApplicationServer.java:107)
Caused by: java.net.BindException: Port in use: dev3:6188
        at org.apache.hadoop.http.HttpServer2.constructBindException(HttpServer2.java:1344)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1366)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:1429)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1275)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:472)
        ... 6 more
Caused by: java.io.IOException: Failed to bind to dev3/192.168.3.157:6188
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:349)
        at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:310)
        at org.apache.hadoop.http.HttpServer2.bindListener(HttpServer2.java:1331)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1362)
        ... 9 more
Caused by: java.net.BindException: Cannot assign requested address
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:344)
        ... 12 more
2026-01-27 13:34:46,071 INFO org.apache.hadoop.service.AbstractService: Service org.apache.ambari.metrics.AMSApplicationServer failed in state STARTED
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: AHSWebApp failed to start.
        at org.apache.ambari.metrics.AMSApplicationServer.startWebApp(AMSApplicationServer.java:139)
        at org.apache.ambari.metrics.AMSApplicationServer.serviceStart(AMSApplicationServer.java:73)
        at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
        at org.apache.ambari.metrics.AMSApplicationServer.launchAMSApplicationServer(AMSApplicationServer.java:98)
        at org.apache.ambari.metrics.AMSApplicationServer.main(AMSApplicationServer.java:107)
Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:476)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:461)
        at org.apache.ambari.metrics.AMSApplicationServer.startWebApp(AMSApplicationServer.java:135)
        ... 4 more
Caused by: java.net.BindException: Port in use: dev3:6188
        at org.apache.hadoop.http.HttpServer2.constructBindException(HttpServer2.java:1344)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1366)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:1429)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1275)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:472)
        ... 6 more
Caused by: java.io.IOException: Failed to bind to dev3/192.168.3.157:6188
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:349)
        at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:310)
        at org.apache.hadoop.http.HttpServer2.bindListener(HttpServer2.java:1331)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1362)
        ... 9 more
Caused by: java.net.BindException: Cannot assign requested address
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:344)
        ... 12 more
2026-01-27 13:34:46,072 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping Phoenix metrics system...
2026-01-27 13:34:46,072 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Phoenix metrics system stopped.
2026-01-27 13:34:46,072 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Phoenix metrics system shutdown complete.
2026-01-27 13:34:46,073 FATAL org.apache.ambari.metrics.AMSApplicationServer: Error starting AMSApplicationServer
org.apache.hadoop.yarn.exceptions.YarnRuntimeException: AHSWebApp failed to start.
        at org.apache.ambari.metrics.AMSApplicationServer.startWebApp(AMSApplicationServer.java:139)
        at org.apache.ambari.metrics.AMSApplicationServer.serviceStart(AMSApplicationServer.java:73)
        at org.apache.hadoop.service.AbstractService.start(AbstractService.java:194)
        at org.apache.ambari.metrics.AMSApplicationServer.launchAMSApplicationServer(AMSApplicationServer.java:98)
        at org.apache.ambari.metrics.AMSApplicationServer.main(AMSApplicationServer.java:107)
Caused by: org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:476)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:461)
        at org.apache.ambari.metrics.AMSApplicationServer.startWebApp(AMSApplicationServer.java:135)
        ... 4 more
Caused by: java.net.BindException: Port in use: dev3:6188
        at org.apache.hadoop.http.HttpServer2.constructBindException(HttpServer2.java:1344)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1366)
        at org.apache.hadoop.http.HttpServer2.openListeners(HttpServer2.java:1429)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:1275)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:472)
        ... 6 more
Caused by: java.io.IOException: Failed to bind to dev3/192.168.3.157:6188
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:349)
        at org.eclipse.jetty.server.ServerConnector.open(ServerConnector.java:310)
        at org.apache.hadoop.http.HttpServer2.bindListener(HttpServer2.java:1331)
        at org.apache.hadoop.http.HttpServer2.bindForSinglePort(HttpServer2.java:1362)
        ... 9 more
Caused by: java.net.BindException: Cannot assign requested address
        at sun.nio.ch.Net.bind0(Native Method)
        at sun.nio.ch.Net.bind(Net.java:433)
        at sun.nio.ch.Net.bind(Net.java:425)
        at sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:223)
        at sun.nio.ch.ServerSocketAdaptor.bind(ServerSocketAdaptor.java:74)
        at org.eclipse.jetty.server.ServerConnector.openAcceptChannel(ServerConnector.java:344)
        ... 12 more
2026-01-27 13:34:46,074 INFO org.apache.hadoop.util.ExitUtil: Exiting with status -1: Error starting AMSApplicationServer
2026-01-27 13:34:46,075 INFO org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController: Shooting down Metrics Collector's HAController.
2026-01-27 13:34:46,077 INFO org.apache.helix.manager.zk.ZKHelixManager: Removing listener: org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController$LiveInstanceTracker@42714a7 on path: /ambari-metrics-cluster/LIVEINSTANCES from cluster: ambari-metrics-cluster by instance: dev2
2026-01-27 13:34:46,077 INFO org.apache.ambari.metrics.AMSApplicationServer: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down AMSApplicationServer at dev2/192.168.3.156
************************************************************/
2026-01-27 13:34:46,078 INFO org.apache.helix.manager.zk.CallbackHandler: 106 START:INVOKE /ambari-metrics-cluster/LIVEINSTANCES listener:org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController.LiveInstanceTracker
2026-01-27 13:34:46,078 INFO org.apache.helix.manager.zk.CallbackHandler: dev2 unsubscribe child-change. path: /ambari-metrics-cluster/LIVEINSTANCES, listener: org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController$LiveInstanceTracker@42714a7
2026-01-27 13:34:46,079 INFO org.apache.helix.manager.zk.CallbackHandler: dev2 unsubscribe data-change. path: /ambari-metrics-cluster/LIVEINSTANCES/dev3_12001, listener: org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController$LiveInstanceTracker@42714a7
2026-01-27 13:34:46,080 INFO org.apache.helix.manager.zk.CallbackHandler: dev2 unsubscribe data-change. path: /ambari-metrics-cluster/LIVEINSTANCES/dev2_12001, listener: org.apache.ambari.metrics.core.timeline.availability.MetricCollectorHAController$LiveInstanceTracker@42714a7
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触发条件（常见组合）

  • 1）安装或扩容 多台 Collector，并希望启用 Collector HA；
  • 2）某些环境下，Collector 会把 WebApp 绑定到 特定 hostname/IP（例如 dev3/192.168.3.157:6188）；
  • 3）当该 IP 在本机并不存在、或本机网络栈不允许绑定该地址时，就会出现 Cannot assign requested address；
  • 4）日志里同时出现 “Port in use” 也并不矛盾：它是 HttpServer2 的统一报错包装，根因仍可能是 绑定地址不合法。

# 二、错误分析与排查思路

# 1、先确认：到底在绑定哪个地址

从日志可直接定位到绑定目标：

  • Failed to bind to dev3/192.168.3.157:6188
  • 说明 WebApp 不是仅监听 0.0.0.0，而是被配置为绑定到 dev3 / 192.168.3.157

快速判断

  • Cannot assign requested address：更像是“绑定了一个本机不存在的地址/网卡没起来/绑定策略不允许”。
  • Address already in use：更像是“本机已有进程占用端口”。 两者一起出现时，优先相信日志里那个更具体的：Failed to bind to <host>/<ip>:6188。

# 2、排查清单（建议按顺序执行）

排查项 目的 参考命令
本机是否存在目标 IP 避免绑定到“别人的 IP” ip a \| grep -n "192.168.3.157"
端口是否被占用 排除真实端口冲突 ss -lntp \| grep 6188 / lsof -i:6188
hostname 解析是否异常 避免解析到错误 IP getent hosts dev3 / nslookup dev3
AMS 配置的绑定地址 找到最终落点 Ambari UI / ams-site.xml

结论导向

如果你的目标是“Collector WebApp 能稳定起来”，最稳的策略就是让 WebApp 监听 0.0.0.0:6188，把“绑定具体 hostname/IP”的不确定性直接移除。

# 三、解决办法

# 1、优先推荐：改 ams-site 配置（通用、最少改动）

我们主要修改这个配置项（ams-site）：

timeline.metrics.service.webapp.address : 0.0.0.0:6188
1

为什么改成 0.0.0.0 有效？

  • 0.0.0.0 表示监听本机所有网卡地址；
  • 不再依赖 hostname 解析结果，也不要求绑定到“某个固定 IP”；
  • 对多 Collector、漂移 IP、容器化/多网卡环境更友好。

image-20260127141623668

版本说明

  • ttr 2.2.3 以上版本：该问题通常已做默认修复，可以忽略手工处理；
  • ttr 2.2.3 以下版本：建议继续看本文后半段的“源码层修复”，避免被 StackAdvisor 再次推荐回旧值。

# 2、验证 HA：三节点 Collector 启动与页面状态

先启动 3 个 collector 后，页面表现正常：

image-20260127140948469

两个节点变为 online：

image-20260127140844056

# 3、故障演练：停掉一个 Collector 观察自动下线/恢复

我们尝试停止一个 collector：

image-20260127141851010

停止完毕后：

image-20260127141536948

可以看到其它节点的日志会自动对故障节点进行下线，然后重新上线，说明 HA 逻辑是通的：

image-20260127141337367

一句话总结这轮验证看什么？

  • 1）UI/实例列表是否出现 offline → online 的状态变化；
  • 2）其余 Collector 是否能持续对外提供服务；
  • 3）恢复后是否能重新加入集群（不需要手工干预）。

# 四、低版本（< 2.2.3）源码层修复：避免推荐值把你“改回去”

如果版本低于 2.2.3，很多场景下即便你在 UI 改成 0.0.0.0:6188，后续 重新保存配置 / StackAdvisor 重新推荐 时仍可能把值写回“绑定某个主机”的形式。

对应源码位置：

ambari-server/src/main/resources/stacks/BIGTOP/3.2.0/services/stack_advisor.py
1

像下图一样注释掉该推荐逻辑：

image-20260127164008816

原来的版本是：

putAmsSiteProperty("timeline.metrics.service.webapp.address", str(metric_collector_host) + ":6188")
1

把这一行注释掉：

image-20260127164249359

放到服务器上即可（示意）：

image-20260127155341924

image-20260127163827961

注意点

  • 改完 stack_advisor.py 后，务必确保 ambari-server 侧资源生效（常见做法是重启 ambari-server 或刷新相关缓存流程）；
  • 如果你在多环境同步 stack，建议把该改动纳入版本管理，避免后续升级/覆盖丢失。
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