Question

我有两个Apache Flink集群：生产中的1.1.3和暂存中的1.3.2。

我有兴趣将指标发送到Graphite服务器，因此我按照https://ci.apache.org/projects/flink/flink-docs-release-1.3/monitoring/metrics.html中的说明进行设置。

我让它在我的1.1.3集群中工作，但在1.3.2中没有。我添加到Flink lib目录的jar文件是：

在1.1.3中：

在1.3.2中：

我添加的设置在两者上都是相同的（除了它们发送到不同的Graphite服务器）：

metrics.reporters: grph
metrics.reporter.grph.class: org.apache.flink.metrics.graphite.GraphiteReporter
metrics.reporter.grph.host: 10.x.x.x
metrics.reporter.grph.port: 2003
metrics.reporter.grph.prefix: flink
metrics.reporter.grph.protocol: TCP

我在登台群集（1.3.2）上看到的错误消息是：

2017-08-07 13:13:15.892 main ERROR org.apache.flink.runtime.metrics.MetricRegistry Could not instantiate metrics reporter grph. Metrics might not be exposed/reported.
java.lang.NoClassDefFoundError: com/codahale/metrics/Reporter
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:264)
    at org.apache.flink.runtime.metrics.MetricRegistry.<init>(MetricRegistry.java:123)
    at org.apache.flink.runtime.taskexecutor.TaskManagerServices.fromConfiguration(TaskManagerServices.java:188)
    at org.apache.flink.runtime.taskmanager.TaskManager$.startTaskManagerComponentsAndActor(TaskManager.scala:1921)
    at org.apache.flink.runtime.taskmanager.TaskManager$.runTaskManager(TaskManager.scala:1819)
    at org.apache.flink.runtime.taskmanager.TaskManager$.selectNetworkInterfaceAndRunTaskManager(TaskManager.scala:1673)
    at org.apache.flink.runtime.taskmanager.TaskManager$$anon$2.call(TaskManager.scala:1574)
    at org.apache.flink.runtime.taskmanager.TaskManager$$anon$2.call(TaskManager.scala:1572)
    at org.apache.flink.runtime.security.HadoopSecurityContext$1.run(HadoopSecurityContext.java:43)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:422)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
    at org.apache.flink.runtime.security.HadoopSecurityContext.runSecured(HadoopSecurityContext.java:40)
    at org.apache.flink.runtime.taskmanager.TaskManager$.main(TaskManager.scala:1572)
    at org.apache.flink.runtime.taskmanager.TaskManager.main(TaskManager.scala)
Caused by: java.lang.ClassNotFoundException: com.codahale.metrics.Reporter
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:335)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 40 common frames omitted

非常感谢任何帮助！

Answer 1

您还必须将io.dropwizard.metrics：metrics-core 3.1.0添加到/ lib文件夹中。原因是在1.1中，Flink运行时本身使用的是metrics-core，而1.3中已不再是这种情况。

或者，您也可以使用flink-metrics-graphite jar-with-dependencies，它应包含您需要的所有内容。

Flink不向Graphite发送指标

1 个答案: