Sorry, secureClientPort=2182 Thanks, --------------------- Kuldeep Singh Budania
On Wed, Oct 14, 2020 at 4:18 PM kuldeep singh <kuldeep.sing...@gmail.com> wrote: > Thanks for reply > > zoo.cfg > ----------- > secureClientPort=2181 > serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory > initLimit=10 > syncLimit=5 > dataDir= data directory (not mentioning exact path here) > tickTime=2000 > autopurge.snapRetainCount=3 > autopurge.purgeInterval=1 > admin.enableServer=false > standaloneEnabled=false > jute.maxbuffer=2147483648 > server.1=host1_priv:10288:10388 > server.2=host2_priv:10288:10388 > server.3=host3_priv:10288:10388 > server.4=host4_priv:10288:10388 > server.5=host5_priv:10288:10388 > quorum.auth.enableSasl=true > quorum.auth.learnerRequireSasl=true > quorum.auth.serverRequireSasl=true > quorum.auth.learner.loginContext=QuorumLearner > quorum.auth.server.loginContext=QuorumServer > quorum.cnxn.threads.size=10 > ------------------------------------------------------------- > java.env > > export > SERVER_JVMFLAGS="-Dzookeeper.serverCnxnFactory=org.apache.zookeeper.server.NettyServerCnxnFactory > -Dzookeeper.ssl.keyStore.location=keystore.jks > -Dzookeeper.ssl.keyStore.password=<passwword> > -Dzookeeper.ssl.trustStore.location= keystore.jks > -Dzookeeper.ssl.trustStore.password= <passwword> > -Djava.security.auth.login.config=zookeeper-jaas.conf" > > export > CLIENT_JVMFLAGS="-Dzookeeper.clientCnxnSocket=org.apache.zookeeper.ClientCnxnSocketNetty > -Dzookeeper.client.secure=true -Dzookeeper.ssl.keyStore.location= > keystore.jks -Dzookeeper.ssl.keyStore.password= <passwword> > -Dzookeeper.ssl.trustStore.location=keystore.jks > -Dzookeeper.ssl.trustStore.password= <passwword> > -Dzookeeper.ssl.hostnameVerification=false" > > Thanks, > --------------------- > Kuldeep Singh Budania > > > > On Wed, Oct 14, 2020 at 4:12 PM Szalay-Bekő Máté < > szalay.beko.m...@gmail.com> wrote: > >> These log messages indicate that a client (or an other ZooKeeper server) >> is >> trying to connect without SSL to a ZooKeeper process that expects SSL. >> I assume this will be a configuration issue then. >> >> Best regards, >> Mate >> >> On Wed, Oct 14, 2020 at 12:30 PM kuldeep singh <kuldeep.sing...@gmail.com >> > >> wrote: >> >> > Hi, >> > >> > more logs >> > >> > 2020-10-14 12:25:05,106 - ERROR >> > >> > >> [nioEventLoopGroup-7-4:NettyServerCnxnFactory$CnxnChannelHandler$CertificateVerifier@257 >> > ] >> > - Unsuccessful handshake with session 0x0 >> > >> > 2020-10-14 12:25:05,107 - WARN >> > [nioEventLoopGroup-7-4:NettyServerCnxnFactory$CnxnChannelHandler@138] - >> > Exception caught >> > >> > io.netty.handler.codec.DecoderException: >> > io.netty.handler.ssl.NotSslRecordException: not an SSL/TLS record: >> > 737276720a >> > >> > at >> > >> > >> io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:475) >> > >> > at >> > >> > >> io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:283) >> > >> > at >> > >> > >> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:374) >> > >> > at >> > >> > >> io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:360) >> > >> > at >> > >> > >> io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:352) >> > >> > at >> > >> > >> io.netty.channel.DefaultChannelPipeline$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$2.run(ThreadExecutorMap.java:74) >> > >> > at >> > >> > >> io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) >> > >> > at java.lang.Thread.run(Thread.java:748) >> > >> > Caused by: io.netty.handler.ssl.NotSslRecordException: not an SSL/TLS >> > record: 737276720a >> > >> > at >> > >> io.netty.handler.ssl.SslHandler.decodeJdkCompatible(SslHandler.java:1203) >> > >> > at io.netty.handler.ssl.SslHandler.decode(SslHandler.java:1271) >> > >> > at >> > >> > >> io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:505) >> > >> > at >> > >> > >> io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:444) >> > >> > ... 17 more >> > >> > Thanks, >> > --------------------- >> > Kuldeep Singh Budania >> > Software Architect >> > >> > >> > >> > On Wed, Oct 14, 2020 at 3:51 PM kuldeep singh < >> kuldeep.sing...@gmail.com> >> > wrote: >> > >> > > Hi, >> > > >> > > >> > > below error is coming on zookeeper logs on SSL. >> > > >> > > 2020-10-14 12:18:27,410 - WARN >> > [nioEventLoopGroup-4-16:NettyServerCnxn@540] >> > > - Closing connection to /127.0.0.1:49470 >> > > java.io.IOException: Len error 369296128 >> > > at >> > > >> > >> org.apache.zookeeper.server.NettyServerCnxn.receiveMessage(NettyServerCnxn.java:533) >> > > at >> > > >> > >> org.apache.zookeeper.server.NettyServerCnxn.processMessage(NettyServerCnxn.java:360) >> > > at >> > > >> > >> org.apache.zookeeper.server.NettyServerCnxnFactory$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 < >> > > szalay.beko.m...@gmail.com> 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 < >> kuldeep.sing...@gmail.com >> > > >> > >> 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 < >> eolive...@gmail.com> >> > >> wrote: >> > >> > >> > >> > > Il giorno gio 8 ott 2020 alle ore 14:17 kuldeep singh < >> > >> > > kuldeep.sing...@gmail.com> 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 >> > >> > > > <enrico.olive...@diennea.com.invalid> 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" < >> > >> kuldeep.sing...@gmail.com> >> > >> > > > 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 < >> > >> > > > > kuldeep.sing...@gmail.com> >> > >> > > > > 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 < >> > >> > > > > kuldeep.sing...@gmail.com> >> > >> > > > > > 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 < >> > >> > > > > >> szalay.beko.m...@gmail.com> 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 < >> > >> > > > > kuldeep.sing...@gmail.com> >> > >> > > > > >>> 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 < >> > >> > > > > >>> kuldeep.sing...@gmail.com> >> > >> > > > > >>> > wrote: >> > >> > > > > >>> > >> > >> > > > > >>> > > Hi Team, >> > >> > > > > >>> > > >> > >> > > > > >>> > > Any update on this? >> > >> > > > > >>> > > >> > >> > > > > >>> > > Thanks, >> > >> > > > > >>> > > --------------------- >> > >> > > > > >>> > > Kuldeep Singh Budania >> > >> > > > > >>> > > >> > >> > > > > >>> > > >> > >> > > > > >>> > > >> > >> > > > > >>> > > On Wed, Jul 1, 2020 at 6:43 PM kuldeep singh < >> > >> > > > > >>> kuldeep.sing...@gmail.com> >> > >> > > > > >>> > > 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 >> < >> > >> > > > > >>> > >> szalay.beko.m...@gmail.com> 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 < >> > >> > > > > >>> > >>> szalay.beko.m...@gmail.com> >> > >> > > > > >>> > >>> 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 >> < >> > >> > > > > >>> > >>> kuldeep.sing...@gmail.com> >> > >> > > > > >>> > >>> > 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 < >> > >> > > > > >>> > >>> kuldeep.sing...@gmail.com> >> > >> > > > > >>> > >>> >> 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 >> > >> > > > > >>> > >>> >> > <enrico.olive...@diennea.com.invalid> >> wrote: >> > >> > > > > >>> > >>> >> > >> > >> > > > > >>> > >>> >> >> I mean in zoo.cfg >> > >> > > > > >>> > >>> >> >> Not as a system property >> > >> > > > > >>> > >>> >> >> >> > >> > > > > >>> > >>> >> >> Enrico >> > >> > > > > >>> > >>> >> >> >> > >> > > > > >>> > >>> >> >> Il giorno 25/06/20, 08:19 "Enrico >> Olivelli - >> > >> > > > Diennea" < >> > >> > > > > >>> > >>> >> >> enrico.olive...@diennea.com.INVALID> 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" >> > >> < >> > >> > > > > >>> > >>> >> kuldeep.sing...@gmail.com> >> > >> > > > > >>> > >>> >> >> 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 < >> > >> > > > > >>> > >>> >> >> jor...@jordanzimmerman.com> >> > >> > > > > >>> > >>> >> >> 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 >> > >> > > > > < >> > >> > > > > >>> > >>> >> >> kuldeep.sing...@gmail.com> >> > >> > > > > >>> > >>> >> >> > 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 >> > >> > > > > >>> < >> > >> > > > > >>> > >>> >> >> > szalay.beko.m...@gmail.com> >> > >> > > > > >>> > >>> >> >> > > 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 < >> > >> > > > > >>> > >>> >> >> > kuldeep.sing...@gmail.com> >> > >> > > > > >>> > >>> >> >> > >> 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 < >> > >> > > > > >>> > >>> >> >> > >>> szalay.beko.m...@gmail.com >> > >> > >> > > > > >>> > >>> >> >> > >>> 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 >> > >> > > > > >>> < >> > >> > > > > >>> > >>> >> >> > >> kuldeep.sing...@gmail.com >> > >> > > > > >>> > >>> >> >> > >>>> >> > >> > > > > >>> > >>> >> >> > >>>> 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 >> > >> > > > > >>> > < >> > >> > > > > >>> > >>> >> >> shra...@gmail.com> >> > >> > > > > >>> > >>> >> >> > >>>>> wrote: >> > >> > > > > >>> > >>> >> >> > >>>>> >> > >> > > > > >>> > >>> >> >> > >>>>>> +1 to what Mate said (I >> > >> wrote the >> > >> > > > > quoted >> > >> > > > > >>> > >>> >> instructions). >> > >> > > > > >>> > >>> >> >> > >>>>>> >> > >> > > > > >>> > >>> >> >> > >>>>>> >> > >> > > > > >>> > >>> >> >> > >>>>>> >> > >> > > > > >>> > >>> >> >> > >>>>>> On Tue, Mar 24, 2020 at >> > 7:03 >> > >> AM >> > >> > > > > Szalay-Bekő >> > >> > > > > >>> > Máté < >> > >> > > > > >>> > >>> >> >> > >>>>>> >> szalay.beko.m...@gmail.com >> > > >> > >> > > > > >>> > >>> >> >> > >>>>>> 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 >> > >> > > > > >>> > >>> >> >> > >>>>>>> >> > >> <nkal...@cloudera.com.invalid> >> > >> > > > > 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 < >> > >> > > > > >>> > >>> >> >> > >>>>>>> >> kuldeep.sing...@gmail.com >> > > >> > >> > > > > >>> > >>> >> >> > >>>>>>>> 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 < >> > >> > > > > >>> > >>> >> >> > >>>>> eolive...@gmail.com >> > >> > > > > >>> > >>> >> >> > >>>>>>> >> > >> > > > > >>> > >>> >> >> > >>>>>>>>> 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 >> > >> > > > > >>> < >> > >> > > > > >>> > >>> >> >> > >>>>> >> kuldeep.sing...@gmail.com >> > >> > > > > >>> > >>> >> >> > >>>>>>> >> > >> > > > > >>> > >>> >> >> > >>>>>>> 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. >> > >> > > > > >> > >> > > > >> > >> > > >> > >> >> > >> >> > >> >
