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https://issues.apache.org/jira/browse/SOLR-13665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16951701#comment-16951701
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Jan Høydahl commented on SOLR-13665:
------------------------------------
So I inspected the dependency tree on maven for
{{netty-transport-native-epoll}} and {{netty-handler}} and see that they depend
on common, buffer, transport, codec etc, so the reason why zookeeper project
can get away with only those two is because they use transitive dependency
resolution while we don't. There was one compile-time lib dependency that I
needed to add to the PR, namely {{netty-transport-native-unix-common}}.
I'll merge once precommit passes :)
> Connecting to ZK on SSL port (secureClient: ClassNotDef found error)
> --------------------------------------------------------------------
>
> Key: SOLR-13665
> URL: https://issues.apache.org/jira/browse/SOLR-13665
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCloud
> Affects Versions: 8.2
> Reporter: Jörn Franke
> Assignee: Jan Høydahl
> Priority: Blocker
> Fix For: 8.3.0
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
>
> I managed to setup Zookeeper 3.5.5 with secure Client enabled and configured
> in solr.in.sh the zookeeper properties to use that port, which offers SSL.
> However, I see the following error in the logfiles when starting up Solr:
> 2019-07-30 14:59:09.704 INFO (main) [ ] o.a.z.c.X509Util Setting -D
> jdk.tls.rejectClientInitiatedRenegotiation=true to disable client-initiated
> TLS renegotiation
> 2019-07-30 14:59:09.710 ERROR (main) [ ] o.a.s.s.SolrDispatchFilter Could
> not start Solr. Check solr/home property and the logs
> 2019-07-30 14:59:09.743 ERROR (main) [ ] o.a.s.c.SolrCore
> null:java.lang.NoClassDefFoundError: io/netty/channel/ChannelHandler
> at java.base/java.lang.Class.forName0(Native Method)
> at java.base/java.lang.Class.forName(Class.java:315)
> at
> org.apache.zookeeper.ZooKeeper.getClientCnxnSocket(ZooKeeper.java:3063)
> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:883)
> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:801)
> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:950)
> at org.apache.zookeeper.ZooKeeper.<init>(ZooKeeper.java:688)
> at
> org.apache.solr.common.cloud.SolrZooKeeper.<init>(SolrZooKeeper.java:43)
> at
> org.apache.solr.common.cloud.ZkClientConnectionStrategy.createSolrZooKeeper(ZkClientConnectionStrategy.java:105)
> at
> org.apache.solr.common.cloud.DefaultConnectionStrategy.connect(DefaultConnectionStrategy.java:37)
> at
> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:166)
> at
> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:125)
> at
> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:120)
> at
> org.apache.solr.common.cloud.SolrZkClient.<init>(SolrZkClient.java:107)
> at
> org.apache.solr.servlet.SolrDispatchFilter.loadNodeConfig(SolrDispatchFilter.java:282)
> at
> org.apache.solr.servlet.SolrDispatchFilter.createCoreContainer(SolrDispatchFilter.java:259)
> at
> org.apache.solr.servlet.SolrDispatchFilter.init(SolrDispatchFilter.java:181)
> at
> org.eclipse.jetty.servlet.FilterHolder.initialize(FilterHolder.java:136)
> at
> org.eclipse.jetty.servlet.ServletHandler.lambda$initialize$0(ServletHandler.java:750)
> at
> java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
> at
> java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)
> at
> java.base/java.util.stream.Streams$ConcatSpliterator.forEachRemaining(Streams.java:734)
> at
> java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658)
> at
> org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:744)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:369)
> at
> org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1497)
> at
> org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1459)
> at
> org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:854)
> at
> org.eclipse.jetty.servlet.ServletContextHandler.doStart(ServletContextHandler.java:278)
> at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:545)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.deploy.bindings.StandardStarter.processBinding(StandardStarter.java:46)
> at
> org.eclipse.jetty.deploy.AppLifeCycle.runBindings(AppLifeCycle.java:192)
> at
> org.eclipse.jetty.deploy.DeploymentManager.requestAppGoal(DeploymentManager.java:510)
> at
> org.eclipse.jetty.deploy.DeploymentManager.addApp(DeploymentManager.java:153)
> at
> org.eclipse.jetty.deploy.providers.ScanningAppProvider.fileAdded(ScanningAppProvider.java:172)
> at
> org.eclipse.jetty.deploy.providers.WebAppProvider.fileAdded(WebAppProvider.java:436)
> at
> org.eclipse.jetty.deploy.providers.ScanningAppProvider$1.fileAdded(ScanningAppProvider.java:65)
> at org.eclipse.jetty.util.Scanner.reportAddition(Scanner.java:610)
> at org.eclipse.jetty.util.Scanner.reportDifferences(Scanner.java:529)
> at org.eclipse.jetty.util.Scanner.scan(Scanner.java:392)
> at org.eclipse.jetty.util.Scanner.doStart(Scanner.java:313)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.deploy.providers.ScanningAppProvider.doStart(ScanningAppProvider.java:145)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.deploy.DeploymentManager.startAppProvider(DeploymentManager.java:598)
> at
> org.eclipse.jetty.deploy.DeploymentManager.doStart(DeploymentManager.java:240)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:167)
> at org.eclipse.jetty.server.Server.start(Server.java:418)
> at
> org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:119)
> at
> org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:113)
> at org.eclipse.jetty.server.Server.doStart(Server.java:382)
> at
> org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68)
> at
> org.eclipse.jetty.xml.XmlConfiguration.lambda$main$0(XmlConfiguration.java:1797)
> at java.base/java.security.AccessController.doPrivileged(Native Method)
> at
> org.eclipse.jetty.xml.XmlConfiguration.main(XmlConfiguration.java:1746)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.base/java.lang.reflect.Method.invoke(Method.java:566)
> at org.eclipse.jetty.start.Main.invokeMain(Main.java:220)
> at org.eclipse.jetty.start.Main.start(Main.java:490)
> at org.eclipse.jetty.start.Main.main(Main.java:77)
> Caused by: java.lang.ClassNotFoundException: io.netty.channel.ChannelHandler
> at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:471)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:588)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
> at
> org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:555)
> at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
> ... 64 more
>
> Is there a jar file missing in the Solr distribution? Can this be fixed by
> copying the Jar file in 8.2 to the webapp/lib directory?
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