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Posted to issues@zookeeper.apache.org by "maoling (Jira)" <ji...@apache.org> on 2020/02/17 03:27:00 UTC
[jira] [Commented] (ZOOKEEPER-3647) Exception in thread "main"
java.lang.NoClassDefFoundError: com/codahale/metrics/Reservoir
[ https://issues.apache.org/jira/browse/ZOOKEEPER-3647?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17038070#comment-17038070 ]
maoling commented on ZOOKEEPER-3647:
------------------------------------
_*After building successfully I was trying to run the ZooKeeperServerMain class with the zoo_sample.cfg and getting the following exception:*_
[~pramahap]
server starts with the class: org.apache.zookeeper.server.quorum.QuorumPeerMain, not ZooKeeperServerMain, why not use the shell script: zkServer.sh
> Exception in thread "main" java.lang.NoClassDefFoundError: com/codahale/metrics/Reservoir
> -----------------------------------------------------------------------------------------
>
> Key: ZOOKEEPER-3647
> URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3647
> Project: ZooKeeper
> Issue Type: Bug
> Components: build
> Reporter: Prachi Prakash
> Priority: Trivial
>
> After building successfully I was trying to run the ZooKeeperServerMain class with the zoo_sample.cfg and getting the following exception:
> Exception in thread "main" java.lang.NoClassDefFoundError: com/codahale/metrics/ReservoirException in thread "main" java.lang.NoClassDefFoundError: com/codahale/metrics/Reservoir at org.apache.zookeeper.metrics.impl.DefaultMetricsProvider$DefaultMetricsContext.lambda$getSummary$2(DefaultMetricsProvider.java:126) at java.util.concurrent.ConcurrentHashMap.computeIfAbsent(ConcurrentHashMap.java:1660) at org.apache.zookeeper.metrics.impl.DefaultMetricsProvider$DefaultMetricsContext.getSummary(DefaultMetricsProvider.java:122) at org.apache.zookeeper.server.ServerMetrics.<init>(ServerMetrics.java:74) at org.apache.zookeeper.server.ServerMetrics.<clinit>(ServerMetrics.java:44) at org.apache.zookeeper.server.ZooKeeperServerMain.runFromConfig(ZooKeeperServerMain.java:132) at org.apache.zookeeper.server.ZooKeeperServerMain.initializeAndRun(ZooKeeperServerMain.java:112) at org.apache.zookeeper.server.ZooKeeperServerMain.main(ZooKeeperServerMain.java:67)Caused by: java.lang.ClassNotFoundException: *com.codahale.metrics.Reservoir* at java.net.URLClassLoader.findClass(URLClassLoader.java:381) at java.lang.ClassLoader.loadClass(ClassLoader.java:424) at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331) at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ... 8 more
> Can anyone guide on how to rectify this, it uses
> <dropwizard.version>3.2.5</dropwizard.version> not the 4.x
>
>
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