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maoling edited comment on ZOOKEEPER-3647 at 2/17/20 3:27 AM: ------------------------------------------------------------- _*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 ready-made shell script: zkServer.sh was (Author: maoling): _*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 > > -- This message was sent by Atlassian Jira (v8.3.4#803005)