Failed to detect MapR Zookeeper within 300 seconds. Confirm that the mapr-zookeeper servic

[itsmehassani]

I am trying to install Data fabric 7.2 on os redhat 8.2 when it comes to 42% it gives an error on zookeeper i.e

my zookeeper service was working fine but after some time it stopped and the installer UI gives an error i.e

Failed to detect MapR Zookeeper within 300 seconds. Confirm that the mapr-zookeeper service is running and that no external firewall is blocking port 5181 

and log gives me the following: 

2023-10-23 15:36:59,275 [myid:2] - WARN [nioEventLoopGroup-4-11:NettyServerCnxn@540] - Closing connection to /10.10.43.141:50080
java.io.IOException: ZK down
at org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:474)
at org.apache.zookeeper.server.NettyServerCnxn.processMessage(NettyServerCnxn.java:360)
at org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.channelRead(NettyServerCnxnFactory.java:184)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:829)
2023-10-23 15:37:00,210 [myid:2] - INFO [nioEventLoopGroup-4-12:SecurityUtils@269] - SecurityUtils.createSaslServer: SASL mechanism(mech) is MAPR-SECURITY'
2023-10-23 15:37:00,211 [myid:2] - INFO [nioEventLoopGroup-4-12:SecurityUtils@270] - SecurityUtils.createSaslServer: SASL servicePrincipalNameAndHostname is mapr
2023-10-23 15:37:00,211 [myid:2] - WARN [nioEventLoopGroup-4-12:NettyServerCnxn@540] - Closing connection to /10.10.43.141:49048
java.io.IOException: ZK down
at org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:474)
at org.apache.zookeeper.server.NettyServerCnxn.processMessage(NettyServerCnxn.java:360)
at org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.channelRead(NettyServerCnxnFactory.java:184)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:357)
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:379)
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:365)
at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)
at io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
at io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:788)
at io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:724)
at io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:650)
at io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:997)
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
at java.base/java.lang.Thread.run(Thread.java:829)
2023-10-23 15:37:01,021 [myid:2] - WARN [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:5181)(secure=disabled):QuorumCnxManager@681] - Cannot open channel to 1 at election address server-41.my.cluster.com/3.64.163.50:3888
java.net.SocketTimeoutException: connect timed out
at java.base/java.net.PlainSocketImpl.socketConnect(Native Method)
at java.base/java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:412)
at java.base/java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:255)
at java.base/java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:237)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
at java.base/java.net.Socket.connect(Socket.java:609)
at java.base/sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:305)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:644)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectOne(QuorumCnxManager.java:709)
at org.apache.zookeeper.server.quorum.QuorumCnxManager.connectAll(QuorumCnxManager.java:737)
at org.apache.zookeeper.server.quorum.FastLeaderElection.lookForLeader(FastLeaderElection.java:910)
at org.apache.zookeeper.server.quorum.QuorumPeer.run(QuorumPeer.java:1247)
2023-10-23 15:37:01,021 [myid:2] - INFO [QuorumPeer[myid=2](plain=/0:0:0:0:0:0:0:0:5181)(secure=disabled):FastLeaderElection@919] - Notification time out: 1600

[Yong-Liu]

Have you checked firewalld status?

what's the error in the zk logs, the log file location is: /opt/mapr/zookeeper/zookeeper-<version>/logs