title: Failed to connect Kafka with InfluxDB Sink Connector
body: <p>I am trying to connect Kafka with InfluxDB.
  This is my InfluxSink.properties, basically connector.</p>
  <pre><code>name=influxdb
  connector.class=com.github.jcustenborder.kafka.connect.influxdb.InfluxDBSinkConnector
  tasks.max=1
  topics=influx
  connect.influx.url=http://influxdb:8086
  connect.influx.db=mydb
  connect.influx.username=admin
  </code></pre>
  <p>but while running my connector I am facing this <em><strong>error</strong></em>!</p>
  <pre><code>ERROR Stopping due to error (org.apache.kafka.connect.cli.ConnectStandalone:126)
  java.lang.NoClassDefFoundError: com/github/jcustenborder/kafka/connect/utils/VersionUtil
      at com.github.jcustenborder.kafka.connect.influxdb.InfluxDBSinkConnector.version(InfluxDBSinkConnector.java:41)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.versionFor(DelegatingClassLoader.java:387)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.versionFor(DelegatingClassLoader.java:392)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.getPluginDesc(DelegatingClassLoader.java:362)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanPluginPath(DelegatingClassLoader.java:334)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.scanUrlsAndAddPlugins(DelegatingClassLoader.java:268)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initPluginLoader(DelegatingClassLoader.java:216)
      at org.apache.kafka.connect.runtime.isolation.DelegatingClassLoader.initLoaders(DelegatingClassLoader.java:209)
      at org.apache.kafka.connect.runtime.isolation.Plugins.&lt;init&gt;(Plugins.java:61)
      at org.apache.kafka.connect.cli.ConnectStandalone.main(ConnectStandalone.java:78)
  Caused by: java.lang.ClassNotFoundException: com.github.jcustenborder.kafka.connect.utils.VersionUtil
      at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:636)
      at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:182)
      at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:519)
      ... 10 more
  </code></pre>
  <p>How can I remove this error. Suggestions needed!
  Thanks in advance.</p>