Hi,
below error is coming on zookeeper logs on SSL.
2020-10-14 12:18:27,410 - WARN [nioEventLoopGroup-4-16:NettyServerCnxn@540]
- Closing connection to /127.0.0.1:49470
java.io.IOException: Len error 369296128
at
org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:533)
at
org.apache.zookeeper.server.NettyServerCnxn.processMessage(NettyServerCnxn.java:360)
at
org.apache.zookeeper.server.NettyServerCnxnFactory$CnxnChannelHandler.channelRead(NettyServerCnxnFactory.java:184)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374)
at
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360)
at
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:352)
at
io.netty.channel.DefaultChannelPipeline$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:1044)
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)
Thanks,
---------------------
Kuldeep Singh Budania
On Thu, Oct 8, 2020 at 6:33 PM Szalay-Bekő Máté <[email protected]>
wrote:
> Sounds like a bug or a configuration issue...
> can you share the configs (before and after the scale-up) and the logs?
> also: does the truststores recognise all the keys used on all the 5
> nodes? (e.g. the truststores on the old nodes accept the new keys?)
>
> Best Regards,
> Mate
>
> On Thu, Oct 8, 2020 at 2:31 PM kuldeep singh <[email protected]>
> wrote:
> >
> > Hi,
> >
> > Yes, My client and server both are using certificate and have added in ZK
> > and client as well.
> >
> > Thanks,
> > ---------------------
> > Kuldeep Singh Budania
> >
> >
> >
> > On Thu, Oct 8, 2020 at 5:56 PM Enrico Olivelli <[email protected]>
> wrote:
> >
> > > Il giorno gio 8 ott 2020 alle ore 14:17 kuldeep singh <
> > > [email protected]> ha scritto:
> > >
> > > > Hi Team,
> > > >
> > > > I am facing one issue in SSL communication between client and
> zookeeper
> > > > server.
> > > >
> > > > ZK 3.5.6 version
> > > >
> > > > 1. Mi on 3 node
> > > > 2. Applying SSL and 3 nodes cluster is working fine
> > > > 3. Scaled my cluster with 2 nodes and now my cluster have 5 nodes
> over
> > > SSL
> > > >
> > > > but after scaling my SSL is not working between client and ZK server
> and
> > > > even not able to login using zkCli as well.
> > > >
> > > > Can someone provide the details please why it is happening?
> > > >
> > >
> > > Is your client configured to use SSL ?
> > >
> > > Enrico
> > >
> > >
> > >
> > > >
> > > > Thanks,
> > > > ---------------------
> > > > Kuldeep Singh Budania
> > > > Software Architect
> > > >
> > > >
> > > >
> > > > On Mon, Jul 13, 2020 at 2:19 PM Enrico Olivelli - Diennea
> > > > <[email protected]> wrote:
> > > >
> > > > > It looks like we ported it to 3.5.
> > > > >
> > > > > See the subtask
> > > > > https://issues.apache.org/jira/browse/ZOOKEEPER-2792
> > > > >
> > > > > Enrico
> > > > >
> > > > > Il giorno 13/07/20, 10:37 "kuldeep singh" <
> [email protected]>
> > > > ha
> > > > > scritto:
> > > > >
> > > > > Hi Team,
> > > > >
> > > > > I appreciate it if I will get a response as soon as possible,
> as I
> > > am
> > > > > stuck
> > > > > at this point.
> > > > >
> > > > > Thanks,
> > > > > ---------------------
> > > > > Kuldeep Singh Budania
> > > > >
> > > > >
> > > > >
> > > > > On Mon, Jul 13, 2020 at 11:10 AM kuldeep singh <
> > > > > [email protected]>
> > > > > wrote:
> > > > >
> > > > > > Hi Team,
> > > > > >
> > > > > > Server to Server communication is not supported in 3.5.6
> version
> > > > as
> > > > > per
> > > > > > below JIRA issue?
> > > > > >
> > > > > > https://issues.apache.org/jira/browse/ZOOKEEPER-2639
> > > > > >
> > > > > > Thanks,
> > > > > > ---------------------
> > > > > > Kuldeep Singh Budania
> > > > > >
> > > > > >
> > > > > >
> > > > > > On Thu, Jul 2, 2020 at 4:24 PM kuldeep singh <
> > > > > [email protected]>
> > > > > > wrote:
> > > > > >
> > > > > >> Thanks for the reply.
> > > > > >>
> > > > > >> Now my ZKCli cmd is working fine as we use some our
> customized
> > > > > >> authentication and we resolve the issue.
> > > > > >>
> > > > > >> Now I am going to implement Server to Server communication.
> > > > > >>
> > > > > >> Thanks,
> > > > > >> ---------------------
> > > > > >> Kuldeep Singh Budania
> > > > > >>
> > > > > >>
> > > > > >>
> > > > > >> On Thu, Jul 2, 2020 at 3:53 PM Szalay-Bekő Máté <
> > > > > >> [email protected]> wrote:
> > > > > >>
> > > > > >>> I think SSL is working for you already... If you managed to
> > > start
> > > > > the
> > > > > >>> zkCli.sh and be able to connect to ZooKeeper on the secure
> port
> > > > > and issue
> > > > > >>> any kind of command (like: " ls / "), then the wire
> encryption
> > > is
> > > > > working
> > > > > >>> and your server/client communication is secured by
> ZooKeeper.
> > > > > >>>
> > > > > >>> Why you want to run the following command?
> > > > > >>> addauth ztpasswd zooadmin:<password>
> > > > > >>>
> > > > > >>> Do you also want to configure a superDigest user in
> ZooKeeper?
> > > > > Please
> > > > > >>> note
> > > > > >>> that this command is independent from SSL. If you need to
> > > create
> > > > a
> > > > > >>> username-password pair for digest authentication then
> please
> > > use
> > > > > the
> > > > > >>> command in the following way:
> > > > > >>> addauth digest zooadmin:yourSuperSecretPassword
> > > > > >>>
> > > > > >>> Kind regards,
> > > > > >>> Mate
> > > > > >>>
> > > > > >>> On Thu, Jul 2, 2020 at 6:59 AM kuldeep singh <
> > > > > [email protected]>
> > > > > >>> wrote:
> > > > > >>>
> > > > > >>> > 1. sh zkCli.sh --config /etc/zookeeper -server
> localhost:2281
> > > > > >>> >
> > > > > >>> > 2. addauth ztpasswd zooadmin:<password>
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > Thanks,
> > > > > >>> > ---------------------
> > > > > >>> > Kuldeep Singh Budania
> > > > > >>> >
> > > > > >>> >
> > > > > >>> >
> > > > > >>> > On Thu, Jul 2, 2020 at 9:56 AM kuldeep singh <
> > > > > >>> [email protected]>
> > > > > >>> > wrote:
> > > > > >>> >
> > > > > >>> > > Hi Team,
> > > > > >>> > >
> > > > > >>> > > Any update on this?
> > > > > >>> > >
> > > > > >>> > > Thanks,
> > > > > >>> > > ---------------------
> > > > > >>> > > Kuldeep Singh Budania
> > > > > >>> > >
> > > > > >>> > >
> > > > > >>> > >
> > > > > >>> > > On Wed, Jul 1, 2020 at 6:43 PM kuldeep singh <
> > > > > >>> [email protected]>
> > > > > >>> > > wrote:
> > > > > >>> > >
> > > > > >>> > >> Sorry this is my bad, there were server setting like
> below
> > > > > >>> > >>
> > > > > >>> > >> export SERVER_JVMFLAGS="
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>>
> > > > >
> -Dzookeeper.ssl.keyStore.location=/root/zookeeper/ssl/testKeyStore.jks
> > > > > >>> > >> -Dzookeeper.ssl.keyStore.password=testpass
> > > > > >>> > >>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.ssl.trustStore.location=/root/zookeeper/ssl/testTrustStore.jks
> > > > > >>> > >> -Dzookeeper.ssl.trustStore.password=testpass"
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >> export CLIENT_JVMFLAGS="
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>>
> > > > >
> -Dzookeeper.clientCnxnSocket=org.apache.zookeeper.ClientCnxnSocketNetty
> > > > > >>> > >> -Dzookeeper.client.secure=true
> > > > > >>> > >>
> > > > > >>>
> > > > >
> -Dzookeeper.ssl.keyStore.location=/root/zookeeper/ssl/testKeyStore.jks
> > > > > >>> > >> -Dzookeeper.ssl.keyStore.password=testpass
> > > > > >>> > >>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.ssl.trustStore.location=/root/zookeeper/ssl/testTrustStore.jks
> > > > > >>> > >> -Dzookeeper.ssl.trustStore.password=testpass"
> > > > > >>> > >>
> > > > > >>> > >> I want to have SSL between client to server
> communication
> > > > > >>> > >>
> > > > > >>> > >> I am already following the same link which you have
> shared
> > > > > with me
> > > > > >>> but
> > > > > >>> > >> that is not working.
> > > > > >>> > >>
> > > > > >>> > >> Zoo.cfg
> > > > > >>> > >>
> > > > > >>> > >> secureClientPort=2281
> > > > > >>> > >> initLimit=10
> > > > > >>> > >> syncLimit=5
> > > > > >>> > >> dataDir=/var/lib/zookeeper/data
> > > > > >>> > >> tickTime=2000
> > > > > >>> > >> autopurge.snapRetainCount=3
> > > > > >>> > >> autopurge.purgeInterval=1
> > > > > >>> > >> admin.enableServer=false
> > > > > >>> > >> standaloneEnabled=false
> > > > > >>> > >> jute.maxbuffer=2147483648
> > > > > >>> > >>
> > > > >
> serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory
> > > > > >>> > >> server.1=host1_priv:10288:10388
> > > > > >>> > >> server.2=host2_priv:10288:10388
> > > > > >>> > >> server.3=host3_priv:10288:10388
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >> command to connect using zkcli
> > > > > >>> > >>
> > > > > >>> > >> 1. zkcli zoo.cfg localhost:2281
> > > > > >>> > >> 2. addauth ztpasswd usernaem:password
> > > > > >>> > >>
> > > > > >>> > >> after second step we are getting below error
> > > > > >>> > >>
> > > > > >>> > >> WatchedEvent state:AuthFailed type:None path:null
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >> Zookeeper logs :- *2020-07-01 07:38:09,342 - WARN
> > > > > >>> > >> [nioEventLoopGroup-4-2:ZooKeeperServer@1119] - No
> > > > > authentication
> > > > > >>> > provider
> > > > > >>> > >> for scheme: ztpasswd has x509 ip digest*
> > > > > >>> > >>
> > > > > >>> > >> Thanks,
> > > > > >>> > >> ---------------------
> > > > > >>> > >> Kuldeep Singh Budania
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >>
> > > > > >>> > >> On Wed, Jul 1, 2020 at 6:25 PM Szalay-Bekő Máté <
> > > > > >>> > >> [email protected]> wrote:
> > > > > >>> > >>
> > > > > >>> > >>> > No authentication provider for scheme: ztpasswd
> has
> > > x509
> > > > > ip
> > > > > >>> digest*
> > > > > >>> > >>>
> > > > > >>> > >>> This suggest you have some configuration error...
> Where
> > > did
> > > > > you
> > > > > >>> use the
> > > > > >>> > >>> "ztpasswd" string in your configs / commands?
> > > > > >>> > >>>
> > > > > >>> > >>> On Wed, Jul 1, 2020 at 2:53 PM Szalay-Bekő Máté <
> > > > > >>> > >>> [email protected]>
> > > > > >>> > >>> wrote:
> > > > > >>> > >>>
> > > > > >>> > >>> > > My ZK server is up and running in secure mode
> > > > > >>> > >>> >
> > > > > >>> > >>> > What is your goal? You want to setup client-server
> SSL
> > > > > >>> connection?
> > > > > >>> > >>> >
> > > > > >>> > >>> > see:
> > > > > >>> > >>> >
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> https://cwiki.apache.org/confluence/display/ZOOKEEPER/ZooKeeper+SSL+User+Guide
> > > > > >>> > >>> >
> > > > > >>> > >>> > (or you want to have both SSL and SASL enabled?)
> > > > > >>> > >>> >
> > > > > >>> > >>> > Anyway, please remove the following line from the
> > > > > >>> SERVER_JVMFLAGS:
> > > > > >>> > >>> >
> > > > > >>> >
> > > > >
> -Dzookeeper.clientCnxnSocket=org.apache.zookeeper.ClientCnxnSocketNetty
> > > > > >>> > >>> > This is a configuration that makes sense only for
> the
> > > > > ZooKeeper
> > > > > >>> > client,
> > > > > >>> > >>> > not for the server. For the server, use the
> following:
> > > > > >>> > >>> >
> > > > > >>> > >>> >
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory
> > > > > >>> > >>> >
> > > > > >>> > >>> > If it doesn't solve the issue, then can you please
> send
> > > > > your
> > > > > >>> zoo.cfg
> > > > > >>> > >>> file?
> > > > > >>> > >>> > Also can you please send the zkCli command you
> execute?
> > > > > (you
> > > > > >>> need to
> > > > > >>> > >>> > connect to the secure ZooKeeper port, unless
> > > > > portUnification is
> > > > > >>> > >>> enabled)
> > > > > >>> > >>> >
> > > > > >>> > >>> > Kind regards,
> > > > > >>> > >>> > Mate
> > > > > >>> > >>> >
> > > > > >>> > >>> > On Wed, Jul 1, 2020 at 9:48 AM kuldeep singh <
> > > > > >>> > >>> [email protected]>
> > > > > >>> > >>> > wrote:
> > > > > >>> > >>> >
> > > > > >>> > >>> >> Hi,
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> we have done below changes in java.env file
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> export SERVER_JVMFLAGS="
> > > > > >>> > >>> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> -Dzookeeper.clientCnxnSocket=org.apache.zookeeper.ClientCnxnSocketNetty
> > > > > >>> > >>> >>
> > > > > >>> >
> > > > >
> -Dzookeeper.ssl.keyStore.location=/root/zookeeper/ssl/testKeyStore.jks
> > > > > >>> > >>> >> -Dzookeeper.ssl.keyStore.password=testpass
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.ssl.trustStore.location=/root/zookeeper/ssl/testTrustStore.jks
> > > > > >>> > >>> >> -Dzookeeper.ssl.trustStore.password=testpass"
> > > > > >>> > >>> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> export CLIENT_JVMFLAGS="
> > > > > >>> > >>> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> -Dzookeeper.clientCnxnSocket=org.apache.zookeeper.ClientCnxnSocketNetty
> > > > > >>> > >>> >> -Dzookeeper.client.secure=true
> > > > > >>> > >>> >>
> > > > > >>> >
> > > > >
> -Dzookeeper.ssl.keyStore.location=/root/zookeeper/ssl/testKeyStore.jks
> > > > > >>> > >>> >> -Dzookeeper.ssl.keyStore.password=testpass
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.ssl.trustStore.location=/root/zookeeper/ssl/testTrustStore.jks
> > > > > >>> > >>> >> -Dzookeeper.ssl.trustStore.password=testpass"
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> I have started the ZK server and it is up without
> any
> > > > > issue.
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> But now when I login to ZkCli then it gives the
> below
> > > > > error.
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> WatchedEvent state:AuthFailed type:None path:null
> > > > > >>> > >>> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> Zookeeper logs :- *2020-07-01 07:38:09,342 - WARN
> > > > > >>> > >>> >> [nioEventLoopGroup-4-2:ZooKeeperServer@1119] - No
> > > > > >>> authentication
> > > > > >>> > >>> provider
> > > > > >>> > >>> >> for scheme: ztpasswd has x509 ip digest*
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> Please help me on this issue
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> Thanks,
> > > > > >>> > >>> >> ---------------------
> > > > > >>> > >>> >> Kuldeep Singh Budania
> > > > > >>> > >>> >> Software Architect
> > > > > >>> > >>> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> On Wed, Jul 1, 2020 at 12:05 PM kuldeep singh <
> > > > > >>> > >>> [email protected]>
> > > > > >>> > >>> >> wrote:
> > > > > >>> > >>> >>
> > > > > >>> > >>> >> > Hi,
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > My ZK server is up and running in secure mode,
> But
> > > > > When I am
> > > > > >>> > >>> trying to
> > > > > >>> > >>> >> > connect to the ZK server using ZKCli, it gives
> the
> > > > below
> > > > > >>> error.
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > WatchedEvent state:AuthFailed type:None
> path:null
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > Zookeeper logs :- *2020-07-01 07:38:09,342 -
> WARN
> > > > > >>> > >>> >> > [nioEventLoopGroup-4-2:ZooKeeperServer@1119] -
> No
> > > > > >>> authentication
> > > > > >>> > >>> >> provider
> > > > > >>> > >>> >> > for scheme: ztpasswd has x509 ip digest*
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > Can someone please help me on this issue. we are
> > > using
> > > > > the
> > > > > >>> 3.5.6
> > > > > >>> > >>> >> version.
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > I appreciate if I will get a response as soon as
> > > > > possible, as
> > > > > >>> I am
> > > > > >>> > >>> stuck
> > > > > >>> > >>> >> > at this point.
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > Thanks,
> > > > > >>> > >>> >> > ---------------------
> > > > > >>> > >>> >> > Kuldeep Singh Budania
> > > > > >>> > >>> >> > Software Architect
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> > On Thu, Jun 25, 2020 at 11:54 AM Enrico
> Olivelli -
> > > > > Diennea
> > > > > >>> > >>> >> > <[email protected]> wrote:
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >> >> I mean in zoo.cfg
> > > > > >>> > >>> >> >> Not as a system property
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Enrico
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Il giorno 25/06/20, 08:19 "Enrico Olivelli -
> > > > Diennea" <
> > > > > >>> > >>> >> >> [email protected]> ha
> scritto:
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Hi
> > > > > >>> > >>> >> >> You have to enable Netty on the server side
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Something like:
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> >
> > > > >
> serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Hope that helps
> > > > > >>> > >>> >> >> Enrico
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Il giorno 24/06/20, 19:17 "kuldeep singh" <
> > > > > >>> > >>> >> [email protected]>
> > > > > >>> > >>> >> >> ha scritto:
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Hi,
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> I got below error while setting SSL
> > > > properties
> > > > > in
> > > > > >>> > zkEnv.sh
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> ==========================================================================================
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,864 - INFO
> > > > > >>> > [main:QuorumPeerConfig@133]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> Reading
> > > > > >>> > >>> >> >> configuration from:
> /etc/zookeeper/zoo.cfg
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,874 - INFO
> > > > > >>> > [main:QuorumPeerConfig@385]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> clientPortAddress is
> 0.0.0.0/0.0.0.0:10181
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,874 - INFO
> > > > > >>> > [main:QuorumPeerConfig@399]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> secureClientPortAddress is
> > > > > 0.0.0.0/0.0.0.0:2281
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,878 - INFO
> > > > > [main:X509Util@79] -
> > > > > >>> > >>> Setting
> > > > > >>> > >>> >> -D
> > > > > >>> > >>> >> >>
> > > > > jdk.tls.rejectClientInitiatedRenegotiation=true to
> > > > > >>> > disable
> > > > > >>> > >>> >> >> client-initiated
> > > > > >>> > >>> >> >> TLS renegotiation
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,897 - INFO
> > > > > >>> > >>> [main:DatadirCleanupManager@78]
> > > > > >>> > >>> >> -
> > > > > >>> > >>> >> >> autopurge.snapRetainCount set to 3
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,897 - INFO
> > > > > >>> > >>> [main:DatadirCleanupManager@79]
> > > > > >>> > >>> >> -
> > > > > >>> > >>> >> >> autopurge.purgeInterval set to 1
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,898 - INFO [
> > > > > >>> > >>> >> >>
> > > PurgeTask:DatadirCleanupManager$PurgeTask@138
> > > > ]
> > > > > -
> > > > > >>> Purge
> > > > > >>> > >>> task
> > > > > >>> > >>> >> >> started.
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,899 - INFO
> > > > > [main:ManagedUtil@46]
> > > > > >>> -
> > > > > >>> > >>> Log4j
> > > > > >>> > >>> >> >> found with
> > > > > >>> > >>> >> >> jmx enabled.
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,903 - INFO
> > > > > >>> > >>> [PurgeTask:FileTxnSnapLog@103]
> > > > > >>> > >>> >> -
> > > > > >>> > >>> >> >> zookeeper.snapshot.trust.empty : false
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,910 - INFO [
> > > > > >>> > >>> >> >>
> > > PurgeTask:DatadirCleanupManager$PurgeTask@144
> > > > ]
> > > > > -
> > > > > >>> Purge
> > > > > >>> > >>> task
> > > > > >>> > >>> >> >> completed.
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,975 - INFO
> > > > > >>> [main:QuorumPeerMain@141
> > > > > >>> > ]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> Starting quorum
> > > > > >>> > >>> >> >> peer
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,983 - INFO
> > > > > >>> > [main:ServerCnxnFactory@135]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> Using
> > > > > >>> > >>> >> >>
> > > > > org.apache.zookeeper.server.NIOServerCnxnFactory as
> > > > > >>> > server
> > > > > >>> > >>> >> >> connection
> > > > > >>> > >>> >> >> factory
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,986 - INFO
> > > > > >>> > >>> [main:NIOServerCnxnFactory@673]
> > > > > >>> > >>> >> -
> > > > > >>> > >>> >> >> Configuring NIO connection handler
> with 10s
> > > > > >>> sessionless
> > > > > >>> > >>> >> >> connection timeout,
> > > > > >>> > >>> >> >> 2 selector thread(s), 16 worker
> threads,
> > > and
> > > > > 64 kB
> > > > > >>> direct
> > > > > >>> > >>> >> buffers.
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,992 - INFO
> > > > > >>> > >>> [main:NIOServerCnxnFactory@686
> > > > > >>> > >>> >> ]
> > > > > >>> > >>> >> >> - binding
> > > > > >>> > >>> >> >> to port 0.0.0.0/0.0.0.0:10181
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,994 - INFO
> > > > > >>> > [main:ServerCnxnFactory@135]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> Using
> > > > > >>> > >>> >> >>
> > > > > org.apache.zookeeper.server.NIOServerCnxnFactory as
> > > > > >>> > server
> > > > > >>> > >>> >> >> connection
> > > > > >>> > >>> >> >> factory
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> 2020-06-24 15:49:35,995 - ERROR
> > > > > >>> [main:QuorumPeerMain@101
> > > > > >>> > ]
> > > > > >>> > >>> -
> > > > > >>> > >>> >> >> Unexpected
> > > > > >>> > >>> >> >> exception, exiting abnormally
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> java.lang.UnsupportedOperationException:
> > > SSL
> > > > > isn't
> > > > > >>> > >>> supported in
> > > > > >>> > >>> >> >> NIOServerCnxn
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> at
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.NIOServerCnxnFactory.configure(NIOServerCnxnFactory.java:644)
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> at
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.quorum.QuorumPeerMain.runFromConfig(QuorumPeerMain.java:155)
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> at
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.quorum.QuorumPeerMain.initializeAndRun(QuorumPeerMain.java:123)
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> at
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.quorum.QuorumPeerMain.main(QuorumPeerMain.java:82)
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> I have set the following properties in
> > > > > >>> SERVER_JVMFLAGS in
> > > > > >>> > >>> >> >> zkEnv.sh file :
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> "-Dzookeeper.serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.ssl.keyStore.location=/var/opt/vs/SecureInterface/keystore/CassSpkkeystore.p12
> > > > > >>> > >>> >> >>
> > > > > -Dzookeeper.ssl.keyStore.password=EvaiKiO1@123456
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> -Dzookeeper.ssl.trustStore.location=/var/opt/vs/SecureInterface/keystore/CassSpkTrustStore.jks
> > > > > >>> > >>> >> >>
> > > > > -Dzookeeper.ssl.trustStore.password=EvaiKiO1@123456"
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> Thanks,
> > > > > >>> > >>> >> >> ---------------------
> > > > > >>> > >>> >> >> Kuldeep Singh Budania
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> On Mon, Jun 22, 2020 at 8:08 PM Jordan
> > > > > Zimmerman <
> > > > > >>> > >>> >> >> [email protected]>
> > > > > >>> > >>> >> >> wrote:
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> > It's the same as the normal ZooKeeper
> > > > client:
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> https://zookeeper.apache.org/doc/r3.6.1/zookeeperAdmin.html#sc_authOptions
> > > > > >>> > >>> >> >> > <
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> https://zookeeper.apache.org/doc/r3.6.1/zookeeperAdmin.html#sc_authOptions
> > > > > >>> > >>> >> >> > >
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >> > -Jordan
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >> > > On Jun 22, 2020, at 5:50 AM,
> kuldeep
> > > > singh
> > > > > <
> > > > > >>> > >>> >> >> [email protected]>
> > > > > >>> > >>> >> >> > wrote:
> > > > > >>> > >>> >> >> > >
> > > > > >>> > >>> >> >> > > Hi Team,
> > > > > >>> > >>> >> >> > > How we will do secure communication
> > > > > between the
> > > > > >>> > Curator
> > > > > >>> > >>> >> >> framework and
> > > > > >>> > >>> >> >> > > zookeeper 3.5.6 ?
> > > > > >>> > >>> >> >> > > I didn't get any solution right
> now.
> > > > > >>> > >>> >> >> > > I appreciate it if someone could
> help
> > > me
> > > > > with the
> > > > > >>> > same.
> > > > > >>> > >>> >> >> > >
> > > > > >>> > >>> >> >> > > Thanks,
> > > > > >>> > >>> >> >> > > ---------------------
> > > > > >>> > >>> >> >> > > Kuldeep Singh Budania
> > > > > >>> > >>> >> >> > > Software Architect
> > > > > >>> > >>> >> >> > >
> > > > > >>> > >>> >> >> > >
> > > > > >>> > >>> >> >> > > On Fri, Apr 17, 2020 at 4:53 PM
> > > > > Szalay-Bekő Máté
> > > > > >>> <
> > > > > >>> > >>> >> >> > [email protected]>
> > > > > >>> > >>> >> >> > > wrote:
> > > > > >>> > >>> >> >> > >
> > > > > >>> > >>> >> >> > >> Hello Kuldeep,
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >> did you download the source from
> the
> > > > > ZooKeeper
> > > > > >>> > >>> webpage, or
> > > > > >>> > >>> >> >> checked out
> > > > > >>> > >>> >> >> > from
> > > > > >>> > >>> >> >> > >> git?
> > > > > >>> > >>> >> >> > >> Anyway, the following commands
> should
> > > > > work:
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >> wget
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> https://downloads.apache.org/zookeeper/zookeeper-3.5.7/apache-zookeeper-3.5.7.tar.gz
> > > > > >>> > >>> >> >> > >> tar xzvf
> > > ./apache-zookeeper-3.5.7.tar.gz
> > > > > >>> > >>> >> >> > >> cd apache-zookeeper-3.5.7
> > > > > >>> > >>> >> >> > >> mvn clean install -DskipTests
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >> I tested it with OpenJDK 8u424 and
> > > maven
> > > > > 3.6.0.
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >> Kind regards,
> > > > > >>> > >>> >> >> > >> Mate
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >> On Fri, Apr 17, 2020 at 12:51 PM
> > > kuldeep
> > > > > singh <
> > > > > >>> > >>> >> >> > [email protected]>
> > > > > >>> > >>> >> >> > >> wrote:
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> > >>> Hi All,
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>> I have download the zookeeper
> source
> > > > > code and
> > > > > >>> run
> > > > > >>> > >>> the mvn
> > > > > >>> > >>> >> >> command for
> > > > > >>> > >>> >> >> > >>> packaging but get problem on
> > > > > "zookeeper-server"
> > > > > >>> > >>> >> directory.
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>> *command :- mvn clean package*
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>> [ERROR] Failed to execute goal
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >>
> > > > > org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile
> > > > > >>> > >>> >> >> > >>> (default-compile) on project
> > > zookeeper:
> > > > > Fatal
> > > > > >>> error
> > > > > >>> > >>> >> >> compiling:
> > > > > >>> > >>> >> >> > >>> java.lang.NullPointerException ->
> > > [Help
> > > > > 1]
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>>
> org.apache.maven.lifecycle.LifecycleExecutionException:
> > > > > >>> > >>> >> >> Failed to
> > > > > >>> > >>> >> >> > execute
> > > > > >>> > >>> >> >> > >>> goal
> > > > > >>> > >>> >> >>
> > > > > org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile
> > > > > >>> > >>> >> >> > >>> (default-compile) on project
> > > zookeeper:
> > > > > Fatal
> > > > > >>> error
> > > > > >>> > >>> >> >> compiling
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:108)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >>
> > > > > org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > > org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > > org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> sun.reflect.NativeMethodAccessorImpl.invoke0(Native
> > > > > Method)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> java.lang.reflect.Method.invoke(Method.java:498)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > >
> org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
> > > > > >>> > >>> >> >> > >>> Caused by:
> > > > > >>> > >>> >> org.apache.maven.plugin.MojoExecutionException:
> > > > > >>> > >>> >> >> Fatal error
> > > > > >>> > >>> >> >> > >>> compiling
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:1140)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:188)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
> > > > > >>> > >>> >> >> > >>> ... 19 more
> > > > > >>> > >>> >> >> > >>> Caused by:
> > > > > >>> > >>> >> org.codehaus.plexus.compiler.CompilerException:
> > > > > >>> > >>> >> >> > >>> java.lang.NullPointerException
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess(JavaxToolsCompiler.java:173)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.codehaus.plexus.compiler.javac.JavacCompiler.performCompile(JavacCompiler.java:174)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:1129)
> > > > > >>> > >>> >> >> > >>> ... 22 more
> > > > > >>> > >>> >> >> > >>> Caused by:
> > > java.lang.RuntimeException:
> > > > > >>> > >>> >> >> java.lang.NullPointerException
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > com.sun.tools.javac.main.Main.compile(Main.java:559)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.javac.api.JavacTaskImpl.doCall(JavacTaskImpl.java:129)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.tools.javac.api.JavacTaskImpl.call(JavacTaskImpl.java:138)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.codehaus.plexus.compiler.javac.JavaxToolsCompiler.compileInProcess(JavaxToolsCompiler.java:126)
> > > > > >>> > >>> >> >> > >>> ... 24 more
> > > > > >>> > >>> >> >> > >>> Caused by:
> > > > java.lang.NullPointerException
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> com.sun.tools.javac.model.JavacTypes.getOverriddenMethods(JavacTypes.java:306)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> com.sun.tools.doclint.Env.setCurrent(Env.java:155)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > com.sun.tools.doclint.Checker.scan(Checker.java:144)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > > com.sun.tools.doclint.DocLint$2.visitDecl(DocLint.java:285)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitClass(DocLint.java:359)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitClass(DocLint.java:346)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:720)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>>
> > > com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.visitNewClass(TreeScanner.java:280)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.tools.javac.tree.JCTree$JCNewClass.accept(JCTree.java:1532)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>>
> > > com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.visitVariable(TreeScanner.java:153)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitVariable(DocLint.java:373)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitVariable(DocLint.java:346)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.javac.tree.JCTree$JCVariableDecl.accept(JCTree.java:864)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>>
> > > com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:81)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > > com.sun.source.util.TreeScanner.scan(TreeScanner.java:91)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >>
> > > > > >>>
> > > com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:133)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitClass(DocLint.java:360)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitClass(DocLint.java:346)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:720)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>>
> > > com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > > com.sun.source.util.TreeScanner.scan(TreeScanner.java:91)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:99)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:120)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitCompilationUnit(DocLint.java:354)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> com.sun.tools.doclint.DocLint$DeclScanner.visitCompilationUnit(DocLint.java:346)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > >
> com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:550)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>>
> > > com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:68)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > > > com.sun.tools.doclint.DocLint$3.started(DocLint.java:296)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> com.sun.tools.javac.api.ClientCodeWrapper$WrappedTaskListener.started(ClientCodeWrapper.java:668)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> com.sun.tools.javac.api.MultiTaskListener.started(MultiTaskListener.java:103)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.javac.main.JavaCompiler.attribute(JavaCompiler.java:1240)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.javac.main.JavaCompiler.compile2(JavaCompiler.java:901)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:860)
> > > > > >>> > >>> >> >> > >>> at
> > > > > >>> > >>> >> >>
> > > com.sun.tools.javac.main.Main.compile(Main.java:523)
> > > > > >>> > >>> >> >> > >>> ... 27 more
> > > > > >>> > >>> >> >> > >>> [ERROR]
> > > > > >>> > >>> >> >> > >>> [ERROR] Re-run Maven using the -X
> > > > switch
> > > > > to
> > > > > >>> enable
> > > > > >>> > >>> full
> > > > > >>> > >>> >> >> debug logging.
> > > > > >>> > >>> >> >> > >>> [ERROR]
> > > > > >>> > >>> >> >> > >>> [ERROR] For more information
> about
> > > the
> > > > > errors
> > > > > >>> and
> > > > > >>> > >>> >> possible
> > > > > >>> > >>> >> >> solutions,
> > > > > >>> > >>> >> >> > >>> please read the following
> articles:
> > > > > >>> > >>> >> >> > >>> [ERROR] [Help 1]
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > >
> http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>> Can someone help me on this
> issue?
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>> Thanks,
> > > > > >>> > >>> >> >> > >>> ---------------------
> > > > > >>> > >>> >> >> > >>> Kuldeep Singh Budania
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>> On Sat, Apr 4, 2020 at 5:57 PM
> > > > > Szalay-Bekő
> > > > > >>> Máté <
> > > > > >>> > >>> >> >> > >>> [email protected]>
> > > > > >>> > >>> >> >> > >>> wrote:
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>>> these exceptions can mean many
> > > > > things... I
> > > > > >>> think
> > > > > >>> > >>> this
> > > > > >>> > >>> >> can
> > > > > >>> > >>> >> >> be even
> > > > > >>> > >>> >> >> > >> normal
> > > > > >>> > >>> >> >> > >>>> duding rolling restart (as some
> > > > > connections
> > > > > >>> get
> > > > > >>> > >>> broken
> > > > > >>> > >>> >> in
> > > > > >>> > >>> >> >> this case)
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> However, I saw cases already
> when
> > > > > exceptions
> > > > > >>> like
> > > > > >>> > >>> these
> > > > > >>> > >>> >> >> killed
> > > > > >>> > >>> >> >> > receiver
> > > > > >>> > >>> >> >> > >>> or
> > > > > >>> > >>> >> >> > >>>> sender threads in
> QuorumCnxManager /
> > > > > Leader
> > > > > >>> > >>> Election in
> > > > > >>> > >>> >> >> such a way
> > > > > >>> > >>> >> >> > that
> > > > > >>> > >>> >> >> > >>>> they were not able to recover,
> so
> > > the
> > > > > node was
> > > > > >>> > >>> unable to
> > > > > >>> > >>> >> >> connect to
> > > > > >>> > >>> >> >> > any
> > > > > >>> > >>> >> >> > >>>> quorum until restart. I remember
> > > > seeing
> > > > > this
> > > > > >>> in
> > > > > >>> > 3.4
> > > > > >>> > >>> too.
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> Do you see these exceptions in
> the
> > > > > second
> > > > > >>> server
> > > > > >>> > >>> (the
> > > > > >>> > >>> >> one
> > > > > >>> > >>> >> >> which you
> > > > > >>> > >>> >> >> > >> just
> > > > > >>> > >>> >> >> > >>>> upgraded in step 3)?
> > > > > >>> > >>> >> >> > >>>> Is this issue reproducible?
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> What is the tickTime and
> initLimit
> > > you
> > > > > use?
> > > > > >>> Maybe
> > > > > >>> > >>> the
> > > > > >>> > >>> >> >> server just
> > > > > >>> > >>> >> >> > >> require
> > > > > >>> > >>> >> >> > >>>> more time to sync?
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> I would need more logs to
> really see
> > > > > what
> > > > > >>> > happened.
> > > > > >>> > >>> Can
> > > > > >>> > >>> >> >> you create a
> > > > > >>> > >>> >> >> > >> Jira
> > > > > >>> > >>> >> >> > >>>> issue and upload the logs and
> also
> > > the
> > > > > >>> ZooKeeper
> > > > > >>> > >>> >> configs?
> > > > > >>> > >>> >> >> I am happy
> > > > > >>> > >>> >> >> > to
> > > > > >>> > >>> >> >> > >>>> take a closer look.
> > > > > >>> > >>> >> >> > >>>> (if you need to re-run the test
> to
> > > > > collect the
> > > > > >>> > logs,
> > > > > >>> > >>> >> then
> > > > > >>> > >>> >> >> enabling
> > > > > >>> > >>> >> >> > >> DEBUG
> > > > > >>> > >>> >> >> > >>>> logs would be great. The INFO
> level
> > > > > logs are
> > > > > >>> > usually
> > > > > >>> > >>> >> >> enough for these
> > > > > >>> > >>> >> >> > >>>> problems, but one can never
> know...)
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> Kind regards,
> > > > > >>> > >>> >> >> > >>>> Mate
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> On Fri, Apr 3, 2020 at 10:05 AM
> > > > kuldeep
> > > > > singh
> > > > > >>> <
> > > > > >>> > >>> >> >> > >> [email protected]
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>> wrote:
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>>> Hi Team,
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> I have done some POC on rolling
> > > > > upgrade and
> > > > > >>> found
> > > > > >>> > >>> below
> > > > > >>> > >>> >> >> result.
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> 1. On 1st node upgrade
> zookeeper
> > > .
> > > > > Traffic
> > > > > >>> was
> > > > > >>> > >>> >> running
> > > > > >>> > >>> >> >> fine
> > > > > >>> > >>> >> >> > >> because
> > > > > >>> > >>> >> >> > >>> 2
> > > > > >>> > >>> >> >> > >>>>> nodes are already on old
> > > zookeeper.
> > > > > >>> > >>> >> >> > >>>>> 2. On 1st node upgrade our
> > > > > application and
> > > > > >>> > didn’t
> > > > > >>> > >>> >> find
> > > > > >>> > >>> >> >> any issue
> > > > > >>> > >>> >> >> > >>>>> 3. On 2nd node upgrade
> zookeeper
> > > > but
> > > > > got
> > > > > >>> below
> > > > > >>> > >>> error
> > > > > >>> > >>> >> >> and zookeeper
> > > > > >>> > >>> >> >> > >>> is
> > > > > >>> > >>> >> >> > >>>>> not taking any requests
> > > > > >>> > >>> >> >> > >>>>> 4.
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> java.io.EOFException
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >>
> > > > > java.io.DataInputStream.readInt(DataInputStream.java:392)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.quorum.QuorumCnxManager$RecvWorker.run(QuorumCnxManager.java:747)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> 2020-03-30 14:19:55,587 - WARN
> > > > > >>> > >>> >> >> > >>>>>
> > > > > [RecvWorker:1:QuorumCnxManager$RecvWorker@765]
> > > > > >>> -
> > > > > >>> > >>> >> >> Interrupting
> > > > > >>> > >>> >> >> > >>> SendWorker
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> 2020-03-30 14:19:55,588 - ERROR
> > > > > >>> [LearnerHandler-/
> > > > > >>> > >>> >> >> 192.168.44.73:33754
> > > > > >>> > >>> >> >> > >>>>> :LearnerHandler@562] -
> Unexpected
> > > > > exception
> > > > > >>> > >>> causing
> > > > > >>> > >>> >> >> shutdown while
> > > > > >>> > >>> >> >> > >>> sock
> > > > > >>> > >>> >> >> > >>>>> still open
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> java.io.EOFException
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >>
> > > > > java.io.DataInputStream.readInt(DataInputStream.java:392)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>>
> > > > > >>>
> > > > >
> org.apache.jute.BinaryInputArchive.readInt(BinaryInputArchive.java:63)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.quorum.QuorumPacket.deserialize(QuorumPacket.java:83)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.jute.BinaryInputArchive.readRecord(BinaryInputArchive.java:108)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> at
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >>
> > > > > >>> > >>>
> > > > > >>> >
> > > > > >>>
> > > > >
> > > >
> > >
> org.apache.zookeeper.server.quorum.LearnerHandler.run(LearnerHandler.java:476)
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> 2020-03-30 14:19:55,588 - WARN
> > > > > >>> > >>> >> >> > >>>>>
> > > > > [SendWorker:1:QuorumCnxManager$SendWorker@679]
> > > > > >>> -
> > > > > >>> > >>> >> >> Interrupted while
> > > > > >>> > >>> >> >> > >>>> waiting
> > > > > >>> > >>> >> >> > >>>>> for message on queue
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> Please let me know is this the
> > > known
> > > > > issue or
> > > > > >>> > this
> > > > > >>> > >>> is
> > > > > >>> > >>> >> >> different issue
> > > > > >>> > >>> >> >> > >>>> which
> > > > > >>> > >>> >> >> > >>>>> is mention in Apache zookeeper
> > > > > documentation
> > > > > >>> when
> > > > > >>> > >>> >> >> upgrading from
> > > > > >>> > >>> >> >> > >> 3.4.5
> > > > > >>> > >>> >> >> > >>> to
> > > > > >>> > >>> >> >> > >>>>> 3.5.6
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> Thanks,
> > > > > >>> > >>> >> >> > >>>>> ---------------------
> > > > > >>> > >>> >> >> > >>>>> Kuldeep Singh Budania
> > > > > >>> > >>> >> >> > >>>>> Software Architect
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>> On Sun, Mar 29, 2020 at 9:06 AM
> > > > > Alexander
> > > > > >>> Shraer
> > > > > >>> > <
> > > > > >>> > >>> >> >> [email protected]>
> > > > > >>> > >>> >> >> > >>>>> wrote:
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>>> +1 to what Mate said (I wrote
> the
> > > > > quoted
> > > > > >>> > >>> >> instructions).
> > > > > >>> > >>> >> >> > >>>>>>
> > > > > >>> > >>> >> >> > >>>>>>
> > > > > >>> > >>> >> >> > >>>>>>
> > > > > >>> > >>> >> >> > >>>>>> On Tue, Mar 24, 2020 at 7:03
> AM
> > > > > Szalay-Bekő
> > > > > >>> > Máté <
> > > > > >>> > >>> >> >> > >>>>>> [email protected]>
> > > > > >>> > >>> >> >> > >>>>>> wrote:
> > > > > >>> > >>> >> >> > >>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> Hi Kuldeep,
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> I just want to provide you
> some
> > > > > background
> > > > > >>> info
> > > > > >>> > >>> about
> > > > > >>> > >>> >> >> our
> > > > > >>> > >>> >> >> > >>>>> documentation.
> > > > > >>> > >>> >> >> > >>>>>>> The reason to upgrade to
> 3.4.6
> > > > first
> > > > > is to
> > > > > >>> > avoid
> > > > > >>> > >>> the
> > > > > >>> > >>> >> >> following
> > > > > >>> > >>> >> >> > >>> error:
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> 2013-01-30 11:32:10,663
> > > [myid:2] -
> > > > > WARN
> > > > > >>> > >>> [localhost/
> > > > > >>> > >>> >> >> > >>> 127.0.0.1:2784
> > > > > >>> > >>> >> >> > >>>>>>> :QuorumCnxManager@349] -
> Invalid
> > > > > server
> > > > > >>> id:
> > > > > >>> > >>> -65536
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> This error comes because of
> the
> > > > > protocol
> > > > > >>> > changes
> > > > > >>> > >>> >> between
> > > > > >>> > >>> >> >> > >> ZooKeeper
> > > > > >>> > >>> >> >> > >>>>> server
> > > > > >>> > >>> >> >> > >>>>>>> nodes during connection
> > > initiation
> > > > > for
> > > > > >>> leader
> > > > > >>> > >>> >> election.
> > > > > >>> > >>> >> >> In
> > > > > >>> > >>> >> >> > >>> ZooKeeper
> > > > > >>> > >>> >> >> > >>>>> 3.5
> > > > > >>> > >>> >> >> > >>>>>> a
> > > > > >>> > >>> >> >> > >>>>>>> protocol version was
> introduced
> > > > (see
> > > > > >>> > >>> ZOOKEEPER-107)
> > > > > >>> > >>> >> and
> > > > > >>> > >>> >> >> since
> > > > > >>> > >>> >> >> > >> that
> > > > > >>> > >>> >> >> > >>>> time
> > > > > >>> > >>> >> >> > >>>>>> the
> > > > > >>> > >>> >> >> > >>>>>>> fist long value sent in the
> > > initial
> > > > > >>> message is
> > > > > >>> > >>> not
> > > > > >>> > >>> >> the
> > > > > >>> > >>> >> >> server ID
> > > > > >>> > >>> >> >> > >>> but
> > > > > >>> > >>> >> >> > >>>>> the
> > > > > >>> > >>> >> >> > >>>>>>> protocol version (-65536). In
> > > > > ZooKeeper
> > > > > >>> 3.4.6
> > > > > >>> > we
> > > > > >>> > >>> made
> > > > > >>> > >>> >> >> the old 3.4
> > > > > >>> > >>> >> >> > >>>>>>> ZooKeepers backward
> compatible,
> > > so
> > > > > they are
> > > > > >>> > able
> > > > > >>> > >>> to
> > > > > >>> > >>> >> >> parse both
> > > > > >>> > >>> >> >> > >> the
> > > > > >>> > >>> >> >> > >>>> old
> > > > > >>> > >>> >> >> > >>>>>> and
> > > > > >>> > >>> >> >> > >>>>>>> the new protocol format (see
> > > > > >>> ZOOKEEPER-1633).
> > > > > >>> > >>> This
> > > > > >>> > >>> >> >> issue happens
> > > > > >>> > >>> >> >> > >>> only
> > > > > >>> > >>> >> >> > >>>>>> when
> > > > > >>> > >>> >> >> > >>>>>>> you need to use old (3.4.0 -
> > > 3.4.5)
> > > > > and new
> > > > > >>> > >>> (3.5.0+)
> > > > > >>> > >>> >> >> ZooKeeper
> > > > > >>> > >>> >> >> > >>>> servers
> > > > > >>> > >>> >> >> > >>>>>>> together in the same cluster.
> > > > During
> > > > > a
> > > > > >>> rolling
> > > > > >>> > >>> >> upgrade,
> > > > > >>> > >>> >> >> this is
> > > > > >>> > >>> >> >> > >>>> usually
> > > > > >>> > >>> >> >> > >>>>>> the
> > > > > >>> > >>> >> >> > >>>>>>> case to have old and new
> > > ZooKeepers
> > > > > present
> > > > > >>> > >>> together.
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> The fact that you haven't
> seen
> > > any
> > > > > issues
> > > > > >>> might
> > > > > >>> > >>> be
> > > > > >>> > >>> >> >> caused by the
> > > > > >>> > >>> >> >> > >>>> order
> > > > > >>> > >>> >> >> > >>>>> of
> > > > > >>> > >>> >> >> > >>>>>>> the servers. In ZooKeeper the
> > > > > connection
> > > > > >>> > >>> initiation
> > > > > >>> > >>> >> >> between the
> > > > > >>> > >>> >> >> > >>>> servers
> > > > > >>> > >>> >> >> > >>>>>>> during the leader election
> > > follows
> > > > a
> > > > > >>> specific
> > > > > >>> > >>> rule.
> > > > > >>> > >>> >> As
> > > > > >>> > >>> >> >> far as I
> > > > > >>> > >>> >> >> > >>>>> remember
> > > > > >>> > >>> >> >> > >>>>>>> always the server with the
> larger
> > > > ID
> > > > > 'wins
> > > > > >>> the
> > > > > >>> > >>> >> >> challenge', so it
> > > > > >>> > >>> >> >> > >> is
> > > > > >>> > >>> >> >> > >>>>>>> possible, that the old server
> > > > didn't
> > > > > need
> > > > > >>> to
> > > > > >>> > >>> parse
> > > > > >>> > >>> >> any
> > > > > >>> > >>> >> >> initial
> > > > > >>> > >>> >> >> > >>>> message
> > > > > >>> > >>> >> >> > >>>>>> (if
> > > > > >>> > >>> >> >> > >>>>>>> it had the largest ID) and
> this
> > > is
> > > > > why you
> > > > > >>> > >>> haven't
> > > > > >>> > >>> >> seen
> > > > > >>> > >>> >> >> the
> > > > > >>> > >>> >> >> > >> issue.
> > > > > >>> > >>> >> >> > >>>> Also
> > > > > >>> > >>> >> >> > >>>>>>> having 2 nodes up from the 3
> > > nodes
> > > > > cluster
> > > > > >>> > still
> > > > > >>> > >>> >> makes
> > > > > >>> > >>> >> >> the
> > > > > >>> > >>> >> >> > >> cluster
> > > > > >>> > >>> >> >> > >>>> work
> > > > > >>> > >>> >> >> > >>>>>> (so
> > > > > >>> > >>> >> >> > >>>>>>> you should also check if all
> the
> > > > > servers
> > > > > >>> are
> > > > > >>> > >>> part of
> > > > > >>> > >>> >> >> the quorum).
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> I agree with Enrico and
> Norbert,
> > > > the
> > > > > >>> safest and
> > > > > >>> > >>> most
> > > > > >>> > >>> >> >> stable way
> > > > > >>> > >>> >> >> > >> is
> > > > > >>> > >>> >> >> > >>>>>> upgrade
> > > > > >>> > >>> >> >> > >>>>>>> first to 3.4.latest, then go
> to
> > > > > 3.5.latest.
> > > > > >>> > >>> Still, if
> > > > > >>> > >>> >> >> you don't
> > > > > >>> > >>> >> >> > >> see
> > > > > >>> > >>> >> >> > >>>>> that
> > > > > >>> > >>> >> >> > >>>>>>> you would hit this specific
> issue
> > > > > (e.g. no
> > > > > >>> > >>> "Invalid
> > > > > >>> > >>> >> >> server id" in
> > > > > >>> > >>> >> >> > >>> the
> > > > > >>> > >>> >> >> > >>>>> log
> > > > > >>> > >>> >> >> > >>>>>>> files), and all the three
> servers
> > > > can
> > > > > >>> handle
> > > > > >>> > >>> traffic,
> > > > > >>> > >>> >> >> then maybe
> > > > > >>> > >>> >> >> > >>> you
> > > > > >>> > >>> >> >> > >>>>>> don't
> > > > > >>> > >>> >> >> > >>>>>>> need to upgrade first to
> > > > 3.4.latest,
> > > > > it is
> > > > > >>> your
> > > > > >>> > >>> >> >> decision.
> > > > > >>> > >>> >> >> > >>> Definitely
> > > > > >>> > >>> >> >> > >>>>> you
> > > > > >>> > >>> >> >> > >>>>>>> should test it first, as
> > > suggested
> > > > > by the
> > > > > >>> > others.
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> Kind regards,
> > > > > >>> > >>> >> >> > >>>>>>> Mate
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> On Tue, Mar 24, 2020 at
> 12:29 PM
> > > > > Norbert
> > > > > >>> Kalmar
> > > > > >>> > >>> >> >> > >>>>>>> <[email protected]
> >
> > > > > wrote:
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> Hi,
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> That guide is to upgrade to
> > > 3.5.0,
> > > > > which
> > > > > >>> was
> > > > > >>> > an
> > > > > >>> > >>> >> alpha
> > > > > >>> > >>> >> >> version.
> > > > > >>> > >>> >> >> > >> A
> > > > > >>> > >>> >> >> > >>>> lot
> > > > > >>> > >>> >> >> > >>>>>> has
> > > > > >>> > >>> >> >> > >>>>>>>> changed for the first stable
> > > > > release of
> > > > > >>> 3.5.5
> > > > > >>> > >>> and
> > > > > >>> > >>> >> then
> > > > > >>> > >>> >> >> a few
> > > > > >>> > >>> >> >> > >>> more,
> > > > > >>> > >>> >> >> > >>>>> even
> > > > > >>> > >>> >> >> > >>>>>>>> rolling upgrade issues have
> been
> > > > > fixed for
> > > > > >>> > >>> 3.5.6.
> > > > > >>> > >>> >> >> > >>>>>>>> This is a more up-to-date
> guide:
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >>
> > > > > >>> >
> > > > > https://cwiki.apache.org/confluence/display/ZOOKEEPER/Upgrade+FAQ
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> If you have done your
> testing
> > > > (with
> > > > > prod
> > > > > >>> > >>> snapshot!),
> > > > > >>> > >>> >> >> then you
> > > > > >>> > >>> >> >> > >> can
> > > > > >>> > >>> >> >> > >>>>> skip
> > > > > >>> > >>> >> >> > >>>>>>> 3.4
> > > > > >>> > >>> >> >> > >>>>>>>> latest upgrade, but keep in
> mind
> > > > we
> > > > > do our
> > > > > >>> > >>> >> >> recommendations for
> > > > > >>> > >>> >> >> > >> a
> > > > > >>> > >>> >> >> > >>>>>> reason.
> > > > > >>> > >>> >> >> > >>>>>>>> There were issues reported
> > > and/or
> > > > > found
> > > > > >>> during
> > > > > >>> > >>> >> >> testing. Some
> > > > > >>> > >>> >> >> > >> are
> > > > > >>> > >>> >> >> > >>>>> fixed
> > > > > >>> > >>> >> >> > >>>>>>> with
> > > > > >>> > >>> >> >> > >>>>>>>> 3.5.6, some only happens if
> > > > certain
> > > > > >>> conditions
> > > > > >>> > >>> stand
> > > > > >>> > >>> >> >> > >>> (IOException:
> > > > > >>> > >>> >> >> > >>>> No
> > > > > >>> > >>> >> >> > >>>>>>>> snapshot found - mentioned
> in
> > > the
> > > > > guide,
> > > > > >>> fixed
> > > > > >>> > >>> in
> > > > > >>> > >>> >> >> 3.5.6).
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> So it is up to you, I would
> > > still
> > > > > >>> recommend to
> > > > > >>> > >>> do an
> > > > > >>> > >>> >> >> 3.4
> > > > > >>> > >>> >> >> > >> upgrade
> > > > > >>> > >>> >> >> > >>>>> first,
> > > > > >>> > >>> >> >> > >>>>>>> if
> > > > > >>> > >>> >> >> > >>>>>>>> it's feasible.
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> Regards,
> > > > > >>> > >>> >> >> > >>>>>>>> Norbert
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>> On Tue, Mar 24, 2020 at
> 11:45 AM
> > > > > kuldeep
> > > > > >>> > singh <
> > > > > >>> > >>> >> >> > >>>>>>> [email protected]>
> > > > > >>> > >>> >> >> > >>>>>>>> wrote:
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> Hi,
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> Current Zookeeper version
> :-
> > > > 3.4.5
> > > > > >>> > >>> >> >> > >>>>>>>>> Upgraded version
> > > > :-
> > > > > 3.5.6
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> We are not going with
> 3.5.7.
> > > Our
> > > > > final
> > > > > >>> > >>> decision is
> > > > > >>> > >>> >> >> zookeeper
> > > > > >>> > >>> >> >> > >>>>> version
> > > > > >>> > >>> >> >> > >>>>>> is
> > > > > >>> > >>> >> >> > >>>>>>>>> 3.5.6
> > > > > >>> > >>> >> >> > >>>>>>>>> as per your reply first we
> need
> > > > to
> > > > > move
> > > > > >>> > latest
> > > > > >>> > >>> >> >> version of
> > > > > >>> > >>> >> >> > >>> 3.4.x,
> > > > > >>> > >>> >> >> > >>>>> like
> > > > > >>> > >>> >> >> > >>>>>>>> below
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> 3.4.5 -> 3.4.14 -> 3.5.6
> > > (Correct
> > > > > me if
> > > > > >>> I am
> > > > > >>> > >>> wrong
> > > > > >>> > >>> >> >> here)
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> But if We are not facing
> any
> > > > > problem
> > > > > >>> that i
> > > > > >>> > >>> have
> > > > > >>> > >>> >> >> shared you
> > > > > >>> > >>> >> >> > >>> that
> > > > > >>> > >>> >> >> > >>>> we
> > > > > >>> > >>> >> >> > >>>>>>> have
> > > > > >>> > >>> >> >> > >>>>>>>>> set up of 3 node cluster
> where
> > > 2
> > > > > node
> > > > > >>> are on
> > > > > >>> > >>> 3.5.6
> > > > > >>> > >>> >> >> version
> > > > > >>> > >>> >> >> > >> and
> > > > > >>> > >>> >> >> > >>> 1
> > > > > >>> > >>> >> >> > >>>>> node
> > > > > >>> > >>> >> >> > >>>>>>> on
> > > > > >>> > >>> >> >> > >>>>>>>>> 3.4.5, Everything is
> running
> > > fine
> > > > > and
> > > > > >>> didn't
> > > > > >>> > >>> get
> > > > > >>> > >>> >> any
> > > > > >>> > >>> >> >> issue,
> > > > > >>> > >>> >> >> > >> So
> > > > > >>> > >>> >> >> > >>>> what
> > > > > >>> > >>> >> >> > >>>>>>> other
> > > > > >>> > >>> >> >> > >>>>>>>>> problem we can face if we
> > > > directly
> > > > > move
> > > > > >>> to
> > > > > >>> > >>> 3.5.6
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> Thanks,
> > > > > >>> > >>> >> >> > >>>>>>>>> ---------------------
> > > > > >>> > >>> >> >> > >>>>>>>>> Kuldeep Singh Budania
> > > > > >>> > >>> >> >> > >>>>>>>>> Software Architect
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> On Tue, Mar 24, 2020 at
> 3:58 PM
> > > > > Enrico
> > > > > >>> > >>> Olivelli <
> > > > > >>> > >>> >> >> > >>>>> [email protected]
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>> wrote:
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>> Hi
> > > > > >>> > >>> >> >> > >>>>>>>>>> You have to upgrade to
> latest
> > > > > 3.4.x
> > > > > >>> > Zookeeper
> > > > > >>> > >>> then
> > > > > >>> > >>> >> >> you will
> > > > > >>> > >>> >> >> > >>>>> upgrade
> > > > > >>> > >>> >> >> > >>>>>>> to
> > > > > >>> > >>> >> >> > >>>>>>>>>> 3.5.7.
> > > > > >>> > >>> >> >> > >>>>>>>>>> All should run well
> without
> > > > issues
> > > > > >>> > >>> >> >> > >>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>> Enrico
> > > > > >>> > >>> >> >> > >>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>> Il Mar 24 Mar 2020, 10:18
> > > > kuldeep
> > > > > singh
> > > > > >>> <
> > > > > >>> > >>> >> >> > >>>>> [email protected]
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>> ha
> > > > > >>> > >>> >> >> > >>>>>>>>>> scritto:
> > > > > >>> > >>> >> >> > >>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Hi Team,
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> We are upgrading
> zookeeper
> > > from
> > > > > 3.4.5
> > > > > >>> to
> > > > > >>> > >>> 3.5.6. I
> > > > > >>> > >>> >> >> have
> > > > > >>> > >>> >> >> > >> set
> > > > > >>> > >>> >> >> > >>>> up 3
> > > > > >>> > >>> >> >> > >>>>>>> node
> > > > > >>> > >>> >> >> > >>>>>>>>>>> cluster where 2 node are
> on
> > > > 3.5.6
> > > > > >>> version
> > > > > >>> > >>> and 1
> > > > > >>> > >>> >> >> node on
> > > > > >>> > >>> >> >> > >>>> 3.4.5.
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Everything is running
> fine
> > > and
> > > > > didn't
> > > > > >>> get
> > > > > >>> > any
> > > > > >>> > >>> >> issue
> > > > > >>> > >>> >> >> on my
> > > > > >>> > >>> >> >> > >>>>> system.
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> but I found something on
> > > apache
> > > > > site
> > > > > >>> that
> > > > > >>> > >>> first
> > > > > >>> > >>> >> we
> > > > > >>> > >>> >> >> need
> > > > > >>> > >>> >> >> > >> to
> > > > > >>> > >>> >> >> > >>>>>> upgrade
> > > > > >>> > >>> >> >> > >>>>>>>> on
> > > > > >>> > >>> >> >> > >>>>>>>>>>> 3.4.6 than we can
> upgrade to
> > > > > 3.5.6. So
> > > > > >>> is
> > > > > >>> > it
> > > > > >>> > >>> >> >> mandatory
> > > > > >>> > >>> >> >> > >> to
> > > > > >>> > >>> >> >> > >>> go
> > > > > >>> > >>> >> >> > >>>>> on
> > > > > >>> > >>> >> >> > >>>>>>>> 3.4.6
> > > > > >>> > >>> >> >> > >>>>>>>>>>> first.
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> *Upgrading to 3.5.0*
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Upgrading a running
> ZooKeeper
> > > > > ensemble
> > > > > >>> to
> > > > > >>> > >>> 3.5.0
> > > > > >>> > >>> >> >> should be
> > > > > >>> > >>> >> >> > >>>> done
> > > > > >>> > >>> >> >> > >>>>>> only
> > > > > >>> > >>> >> >> > >>>>>>>>> after
> > > > > >>> > >>> >> >> > >>>>>>>>>>> upgrading your ensemble
> to
> > > the
> > > > > 3.4.6
> > > > > >>> > release.
> > > > > >>> > >>> >> Note
> > > > > >>> > >>> >> >> that
> > > > > >>> > >>> >> >> > >>> this
> > > > > >>> > >>> >> >> > >>>> is
> > > > > >>> > >>> >> >> > >>>>>>> only
> > > > > >>> > >>> >> >> > >>>>>>>>>>> necessary for rolling
> > > upgrades
> > > > > (if
> > > > > >>> you're
> > > > > >>> > >>> fine
> > > > > >>> > >>> >> with
> > > > > >>> > >>> >> >> > >>> shutting
> > > > > >>> > >>> >> >> > >>>>> down
> > > > > >>> > >>> >> >> > >>>>>>> the
> > > > > >>> > >>> >> >> > >>>>>>>>>>> system completely, you
> don't
> > > > > have to go
> > > > > >>> > >>> through
> > > > > >>> > >>> >> >> 3.4.6).
> > > > > >>> > >>> >> >> > >> If
> > > > > >>> > >>> >> >> > >>>> you
> > > > > >>> > >>> >> >> > >>>>>>>> attempt
> > > > > >>> > >>> >> >> > >>>>>>>>> a
> > > > > >>> > >>> >> >> > >>>>>>>>>>> rolling upgrade without
> going
> > > > > through
> > > > > >>> 3.4.6
> > > > > >>> > >>> (for
> > > > > >>> > >>> >> >> example
> > > > > >>> > >>> >> >> > >>> from
> > > > > >>> > >>> >> >> > >>>>>>> 3.4.5),
> > > > > >>> > >>> >> >> > >>>>>>>>> you
> > > > > >>> > >>> >> >> > >>>>>>>>>>> may get the following
> error:
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> 2013-01-30 11:32:10,663
> > > > [myid:2]
> > > > > - INFO
> > > > > >>> > >>> >> [localhost/
> > > > > >>> > >>> >> >> > >>>>>> 127.0.0.1:2784
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > :QuorumCnxManager$Listener@498
> > > > ]
> > > > > -
> > > > > >>> Received
> > > > > >>> > >>> >> >> connection
> > > > > >>> > >>> >> >> > >>>> request
> > > > > >>> > >>> >> >> > >>>>> /
> > > > > >>> > >>> >> >> > >>>>>>>>>>> 127.0.0.1:60876
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> 2013-01-30 11:32:10,663
> > > > [myid:2]
> > > > > - WARN
> > > > > >>> > >>> >> [localhost/
> > > > > >>> > >>> >> >> > >>>>>> 127.0.0.1:2784
> > > > > >>> > >>> >> >> > >>>>>>>>>>> :QuorumCnxManager@349] -
> > > > Invalid
> > > > > >>> server
> > > > > >>> > id:
> > > > > >>> > >>> >> -65536
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> During a rolling upgrade,
> > > each
> > > > > server
> > > > > >>> is
> > > > > >>> > >>> taken
> > > > > >>> > >>> >> down
> > > > > >>> > >>> >> >> in
> > > > > >>> > >>> >> >> > >> turn
> > > > > >>> > >>> >> >> > >>>> and
> > > > > >>> > >>> >> >> > >>>>>>>>> rebooted
> > > > > >>> > >>> >> >> > >>>>>>>>>>> with the new 3.5.0
> binaries.
> > > > > Before
> > > > > >>> > starting
> > > > > >>> > >>> the
> > > > > >>> > >>> >> >> server
> > > > > >>> > >>> >> >> > >>> with
> > > > > >>> > >>> >> >> > >>>>>> 3.5.0
> > > > > >>> > >>> >> >> > >>>>>>>>>>> binaries, we highly
> recommend
> > > > > updating
> > > > > >>> the
> > > > > >>> > >>> >> >> configuration
> > > > > >>> > >>> >> >> > >>> file
> > > > > >>> > >>> >> >> > >>>>> so
> > > > > >>> > >>> >> >> > >>>>>>> that
> > > > > >>> > >>> >> >> > >>>>>>>>> all
> > > > > >>> > >>> >> >> > >>>>>>>>>>> server statements
> > > > "server.x=..."
> > > > > >>> contain
> > > > > >>> > >>> client
> > > > > >>> > >>> >> >> ports
> > > > > >>> > >>> >> >> > >> (see
> > > > > >>> > >>> >> >> > >>>> the
> > > > > >>> > >>> >> >> > >>>>>>>> section
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Specifying
> > > > > >>> > >>> >> >> > >>>>>>>>>>> the client port). As
> > > explained
> > > > > earlier
> > > > > >>> you
> > > > > >>> > >>> may
> > > > > >>> > >>> >> >> leave the
> > > > > >>> > >>> >> >> > >>>>>>>> configuration
> > > > > >>> > >>> >> >> > >>>>>>>>>> in a
> > > > > >>> > >>> >> >> > >>>>>>>>>>> single file, as well as
> leave
> > > > the
> > > > > >>> > >>> >> >> > >>>> clientPort/clientPortAddress
> > > > > >>> > >>> >> >> > >>>>>>>>> statements
> > > > > >>> > >>> >> >> > >>>>>>>>>>> (although if you specify
> > > client
> > > > > ports
> > > > > >>> in
> > > > > >>> > the
> > > > > >>> > >>> new
> > > > > >>> > >>> >> >> format,
> > > > > >>> > >>> >> >> > >>>> these
> > > > > >>> > >>> >> >> > >>>>>>>>> statements
> > > > > >>> > >>> >> >> > >>>>>>>>>>> are now redundant).
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Could you please let me
> know
> > > > > about this
> > > > > >>> > case.
> > > > > >>> > >>> >> >> Appreciate
> > > > > >>> > >>> >> >> > >> if
> > > > > >>> > >>> >> >> > >>>>>> respond
> > > > > >>> > >>> >> >> > >>>>>>>>> soon.
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Thanks,
> > > > > >>> > >>> >> >> > >>>>>>>>>>> ---------------------
> > > > > >>> > >>> >> >> > >>>>>>>>>>> Kuldeep Singh Budania
> > > > > >>> > >>> >> >> > >>>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>>
> > > > > >>> > >>> >> >> > >>>>>>
> > > > > >>> > >>> >> >> > >>>>>
> > > > > >>> > >>> >> >> > >>>>
> > > > > >>> > >>> >> >> > >>>
> > > > > >>> > >>> >> >> > >>
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >> >
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> ________________________________
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> CONFIDENTIALITY & PRIVACY NOTICE
> > > > > >>> > >>> >> >> This e-mail (including any attachments) is
> > > > strictly
> > > > > >>> > >>> confidential
> > > > > >>> > >>> >> and
> > > > > >>> > >>> >> >> may also contain privileged information. If
> you are
> > > > > not the
> > > > > >>> > >>> intended
> > > > > >>> > >>> >> >> recipient you are not authorised to read,
> print,
> > > > save,
> > > > > >>> process or
> > > > > >>> > >>> >> disclose
> > > > > >>> > >>> >> >> this message. If you have received this
> message by
> > > > > mistake,
> > > > > >>> > please
> > > > > >>> > >>> >> inform
> > > > > >>> > >>> >> >> the sender immediately and destroy this
> e-mail, its
> > > > > >>> attachments
> > > > > >>> > >>> and any
> > > > > >>> > >>> >> >> copies. Any use, distribution, reproduction or
> > > > > disclosure by
> > > > > >>> any
> > > > > >>> > >>> person
> > > > > >>> > >>> >> >> other than the intended recipient is strictly
> > > > > prohibited and
> > > > > >>> the
> > > > > >>> > >>> person
> > > > > >>> > >>> >> >> responsible may incur in penalties.
> > > > > >>> > >>> >> >> The use of this e-mail is only for
> professional
> > > > > purposes;
> > > > > >>> > >>> there is
> > > > > >>> > >>> >> no
> > > > > >>> > >>> >> >> guarantee that the correspondence towards this
> > > e-mail
> > > > > will be
> > > > > >>> > read
> > > > > >>> > >>> >> only by
> > > > > >>> > >>> >> >> the recipient, because, under certain
> > > circumstances,
> > > > > there
> > > > > >>> may
> > > > > >>> > be a
> > > > > >>> > >>> >> need to
> > > > > >>> > >>> >> >> access this email by third subjects belonging
> to
> > > the
> > > > > Company.
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> ________________________________
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >> CONFIDENTIALITY & PRIVACY NOTICE
> > > > > >>> > >>> >> >> This e-mail (including any attachments) is
> strictly
> > > > > >>> confidential
> > > > > >>> > >>> and
> > > > > >>> > >>> >> may
> > > > > >>> > >>> >> >> also contain privileged information. If you
> are not
> > > > the
> > > > > >>> intended
> > > > > >>> > >>> >> recipient
> > > > > >>> > >>> >> >> you are not authorised to read, print, save,
> > > process
> > > > or
> > > > > >>> disclose
> > > > > >>> > >>> this
> > > > > >>> > >>> >> >> message. If you have received this message by
> > > > mistake,
> > > > > please
> > > > > >>> > >>> inform
> > > > > >>> > >>> >> the
> > > > > >>> > >>> >> >> sender immediately and destroy this e-mail, its
> > > > > attachments
> > > > > >>> and
> > > > > >>> > any
> > > > > >>> > >>> >> copies.
> > > > > >>> > >>> >> >> Any use, distribution, reproduction or
> disclosure
> > > by
> > > > > any
> > > > > >>> person
> > > > > >>> > >>> other
> > > > > >>> > >>> >> than
> > > > > >>> > >>> >> >> the intended recipient is strictly prohibited
> and
> > > the
> > > > > person
> > > > > >>> > >>> >> responsible
> > > > > >>> > >>> >> >> may incur in penalties.
> > > > > >>> > >>> >> >> The use of this e-mail is only for professional
> > > > > purposes;
> > > > > >>> there
> > > > > >>> > is
> > > > > >>> > >>> no
> > > > > >>> > >>> >> >> guarantee that the correspondence towards this
> > > e-mail
> > > > > will be
> > > > > >>> > read
> > > > > >>> > >>> >> only by
> > > > > >>> > >>> >> >> the recipient, because, under certain
> > > circumstances,
> > > > > there
> > > > > >>> may
> > > > > >>> > be a
> > > > > >>> > >>> >> need to
> > > > > >>> > >>> >> >> access this email by third subjects belonging
> to
> > > the
> > > > > Company.
> > > > > >>> > >>> >> >>
> > > > > >>> > >>> >> >
> > > > > >>> > >>> >>
> > > > > >>> > >>> >
> > > > > >>> > >>>
> > > > > >>> > >>
> > > > > >>> >
> > > > > >>>
> > > > > >>
> > > > >
> > > > >
> > > > > ________________________________
> > > > >
> > > > > CONFIDENTIALITY & PRIVACY NOTICE
> > > > > This e-mail (including any attachments) is strictly confidential
> and
> > > may
> > > > > also contain privileged information. If you are not the intended
> > > > recipient
> > > > > you are not authorised to read, print, save, process or disclose
> this
> > > > > message. If you have received this message by mistake, please
> inform
> > > the
> > > > > sender immediately and destroy this e-mail, its attachments and any
> > > > copies.
> > > > > Any use, distribution, reproduction or disclosure by any person
> other
> > > > than
> > > > > the intended recipient is strictly prohibited and the person
> > > responsible
> > > > > may incur in penalties.
> > > > > The use of this e-mail is only for professional purposes; there is
> no
> > > > > guarantee that the correspondence towards this e-mail will be read
> only
> > > > by
> > > > > the recipient, because, under certain circumstances, there may be a
> > > need
> > > > to
> > > > > access this email by third subjects belonging to the Company.
> > > > >
> > > >
> > >
>
>
