zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion Stacktrace: java.util.concurrent.CompletionException:

This happens when I click on heartbeat first time:


Any subsequent click on heartbeat does **not** cause this exception. First click in several minutes (I can reproduce it every 7-12 minutes) after last one **does**.

`--- An unexpected error occurred in the server --- Message: org.apache.pulsar.client.api.PulsarClientException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion Stacktrace: java.util.concurrent.CompletionException: org.apache.pulsar.client.api.PulsarClientException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion at java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:292) at java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:308) at java.util.concurrent.CompletableFuture.biRelay(CompletableFuture.java:1298) at java.util.concurrent.CompletableFuture$BiRelay.tryFire(CompletableFuture.java:1284) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1990) at org.apache.pulsar.client.impl.ProducerImpl.lambda$connectionOpened$13(ProducerImpl.java:1176) at java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:884) at java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:866) at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:488) at java.util.concurrent.CompletableFuture.completeExceptionally(CompletableFuture.java:1990) at org.apache.pulsar.client.impl.ClientCnx.handleError(ClientCnx.java:606) at org.apache.pulsar.common.protocol.PulsarDecoder.channelRead(PulsarDecoder.java:171) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:352) at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:326) at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:300) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360) at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:352) at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1422) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374) at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360) at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:931) at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:163) at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:700) at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:635) at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:552) at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:514) at io.netty.util.concurrent.SingleThreadEventExecutor$6.run(SingleThreadEventExecutor.java:1050) at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) at java.lang.Thread.run(Thread.java:748) Caused by: org.apache.pulsar.client.api.PulsarClientException: org.apache.zookeeper.KeeperException$BadVersionException: KeeperErrorCode = BadVersion at org.apache.pulsar.client.impl.ClientCnx.getPulsarClientException(ClientCnx.java:1002) ... 23 more
`


Exception is **not** logged in dockers logs - only trace of this log can be found in self-disposing dialogs in browser?
`
docker logs pulsar-manager
(db starting logs)
....
Starting Pulsar Manager Back end
Start servie no enable JWT.
2020-02-03 10:40:13,760 CRIT Supervisor is running as root. Privileges were not dropped because no user is specified in the config file. If you intend to run as root, you can set user=root in the config file to avoid this message.
2020-02-03 10:40:13,765 INFO supervisord started with pid 44
2020-02-03 10:40:14,772 INFO spawned: 'pulsar-manager-backend' with pid 46
2020-02-03 10:40:16,298 INFO success: pulsar-manager-backend entered RUNNING state, process has stayed up for > than 1 seconds (startsecs)
`

Docker versions:

apachepulsar/pulsar-manager:v0.1.0
apachepulsar/pulsar:2.5.0 (proxy)
apachepulsar/pulsar:2.5.0 (broker)
zookeeper:3.5
apache/bookkeeper:4.10.0