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. >>> >> >> >>> >> > >>> >> >>> > >>> >>