java.lang.NoClassDefFoundError

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  • java.lang.NoClassDefFoundError: Could not initialize class io.netty.channel.ChannelOption at org.apache.drill.exec.rpc.BasicClient.<init>(BasicClient.java:75) at org.apache.drill.exec.rpc.BasicClientWithConnection.<init>(BasicClientWithConnection.java:39) at org.apache.drill.exec.rpc.user.UserClient.<init>(UserClient.java:58) at org.apache.drill.exec.client.DrillClient.connect(DrillClient.java:232) at org.apache.drill.jdbc.impl.DrillConnectionImpl.<init>(DrillConnectionImpl.java:142) at org.apache.drill.jdbc.impl.DrillJdbc41Factory.newDrillConnection(DrillJdbc41Factory.java:64) at org.apache.drill.jdbc.impl.DrillFactory.newConnection(DrillFactory.java:69) at net.hydromatic.avatica.UnregisteredDriver.connect(UnregisteredDriver.java:126) at org.apache.drill.jdbc.Driver.connect(Driver.java:72) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:270)
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