[ZEPPELIN-5245] Zeppelin doesn't propagate interpreter setting in cluster mode

• Type: Bug
• Status: Open
• Priority: Critical
• Resolution: Unresolved
• Affects Version/s: 0.9.0
• Component/s: Core, interpreter-setting, zeppelin-server
• Assignee: Unassigned
• Reporter: Ruslan Fialkovsky
• Created: 09/Feb/21 13:30
• Updated: 19/May/21 04:26

Description

Hello. I'm trying to configure zeppelin in cluster mode. 

When I change interpreter settings they implement only on local node and  I get  error on remote node:
({netty-messaging-event-epoll-client-3} NettyMessagingService.java[lambda$null$20]:531) - An error occurred in a message handler: {} │
java.lang.ClassCastException: com.google.gson.internal.LinkedTreeMap cannot be cast to java.util.HashMap │
at org.apache.zeppelin.interpreter.InterpreterSettingManager.onClusterEvent(InterpreterSettingManager.java:1215) │
at org.apache.zeppelin.cluster.ClusterManagerServer.lambda$new$5(ClusterManagerServer.java:370) │
at io.atomix.cluster.messaging.impl.NettyMessagingService.lambda$null$20(NettyMessagingService.java:529) │
at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399) │
at io.atomix.cluster.messaging.impl.NettyMessagingService.lambda$registerHandler$21(NettyMessagingService.java:525) │
at io.atomix.cluster.messaging.impl.NettyMessagingService$RemoteServerConnection.dispatch(NettyMessagingService.java:1122) │
at io.atomix.cluster.messaging.impl.NettyMessagingService$RemoteServerConnection.access$800(NettyMessagingService.java:1100) │
at io.atomix.cluster.messaging.impl.NettyMessagingService$InboundMessageDispatcher.channelRead0(NettyMessagingService.java:754) │
at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105) │
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) │
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) │
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) │
at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:310) │
at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:284) │
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) │
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) │
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:340) │
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1434) │
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:362) │
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:348) │
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:965) │
at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:808) │
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:417) │
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:317) │
at io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:884) │
at java.lang.Thread.run(Thread.java:748)

 

Also what interesting, I tried 0.9.0 preview2 and everything have worked fine. The problem appeared in release version only