[ 
https://issues.apache.org/jira/browse/IGNITE-20867?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17789378#comment-17789378
 ] 

Nikita Amelchev commented on IGNITE-20867:
------------------------------------------

Fixed a typo in the cache directory name check error message: 
https://github.com/apache/ignite/pull/11068

[~annyakimova], Thank you for the contribution.

Merged into the master and 2.16.

> Server nodes crash after create persistent cache with /" name 
> --------------------------------------------------------------
>
>                 Key: IGNITE-20867
>                 URL: https://issues.apache.org/jira/browse/IGNITE-20867
>             Project: Ignite
>          Issue Type: Bug
>            Reporter: Anastasia Iakimova
>            Assignee: Anastasia Iakimova
>            Priority: Major
>              Labels: ise
>             Fix For: 2.16
>
>          Time Spent: 50m
>  Remaining Estimate: 0h
>
> ignite.log:
> {code:java}
> 2023-11-14 18:12:34.985 [INFO 
> ][exchange-worker-#75][org.apache.ignite.internal.exchange.time] Started 
> exchange init [topVer=AffinityTopologyVersion [topVer=4, minorTopVer=32], 
> crd=false, evt=DISCOVERY_CUSTOM_EVT, evtNode=d91c8f37
> -dc4f-435e-97dc-8ec02b953b6a, customEvt=DynamicCacheChangeBatch 
> [id=3a05698cb81-782afb33-985f-4efc-a47f-2c178ae29301, reqs=ArrayList 
> [DynamicCacheChangeRequest [cacheName=/", hasCfg=true, 
> nodeId=d91c8f37-dc4f-435e-97dc-8ec02b953b6
> a, clientStartOnly=false, stop=false, destroy=false, 
> disabledAfterStart=false]], exchangeActions=ExchangeActions 
> [startCaches=[/"], stopCaches=null, startGrps=[/"], stopGrps=[], 
> resetParts=null, finalizePartitionCounters=false, stateChangeRequest=null], 
> startCaches=false], allowMerge=false, exchangeFreeSwitch=false]
> 2023-11-14 18:12:34.989 [ERROR][exchange-worker-#75][] Critical system error 
> detected. Will be handled accordingly to configured handler 
> [hnd=StopNodeOrHaltFailureHandler [tryStop=false, timeout=0, 
> super=AbstractFailureHandler [ignoredFailureTypes=UnmodifiableSet 
> [SYSTEM_WORKER_BLOCKED, SYSTEM_CRITICAL_OPERATION_TIMEOUT]]], 
> failureCtx=FailureContext [type=CRITICAL_ERROR, err=class 
> o.a.i.IgniteCheckedException: Failed to initialize cache working directory 
> (failed to create, make sure the work folder has correct permissions): 
> /u01/ift/storage/server/data/ise_ift_ignite05/cache-/"]]
> org.apache.ignite.IgniteCheckedException: Failed to initialize cache working 
> directory (failed to create, make sure the work folder has correct 
> permissions): /u01/ift/storage/server/data/ise_ift_ignite05/cache-/"
>         at 
> org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.checkAndInitCacheWorkDir(FilePageStoreManager.java:796)
>  ~[ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.CachesRegistry.persistCacheConfigurations(CachesRegistry.java:275)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.CachesRegistry.registerAllCachesAndGroups(CachesRegistry.java:262)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.CachesRegistry.update(CachesRegistry.java:200)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.CacheAffinitySharedManager.onCacheChangeRequest(CacheAffinitySharedManager.java:877)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.onCacheChangeRequest(GridDhtPartitionsExchangeFuture.java:1462)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.distributed.dht.preloader.GridDhtPartitionsExchangeFuture.init(GridDhtPartitionsExchangeFuture.java:980)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body0(GridCachePartitionExchangeManager.java:3338)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.processors.cache.GridCachePartitionExchangeManager$ExchangeWorker.body(GridCachePartitionExchangeManager.java:3172)
>  [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at 
> org.apache.ignite.internal.util.worker.GridWorker.run(GridWorker.java:125) 
> [ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         at java.lang.Thread.run(Thread.java:834) [?:?]
> Caused by: java.nio.file.NoSuchFileException: 
> /u01/ift/storage/server/data/ise_ift_ignite05/cache-/"
>         at 
> sun.nio.fs.UnixException.translateToIOException(UnixException.java:92) ~[?:?]
>         at 
> sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111) ~[?:?]
>         at 
> sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116) ~[?:?]
>         at 
> sun.nio.fs.UnixFileSystemProvider.createDirectory(UnixFileSystemProvider.java:389)
>  ~[?:?]
>         at java.nio.file.Files.createDirectory(Files.java:690) ~[?:?]
>         at 
> org.apache.ignite.internal.processors.cache.persistence.file.FilePageStoreManager.checkAndInitCacheWorkDir(FilePageStoreManager.java:791)
>  ~[ignite-core-16.0.0-SNAPSHOT.jar:16.0.0-SNAPSHOT]
>         ... 10 more
> 2023-11-14 18:12:34.997 [WARN 
> ][exchange-worker-#75][org.apache.ignite.internal.processors.cache.CacheDiagnosticManager]
>  Page locks dump:
> 2023-11-14 18:12:34.998 [ERROR][exchange-worker-#75][] JVM will be halted 
> immediately due to the failure: [failureCtx=FailureContext 
> [type=CRITICAL_ERROR, err=class o.a.i.IgniteCheckedException: Failed to 
> initialize cache working directory (failed to create, make sure the work 
> folder has correct permissions): 
> /u01/ift/storage/server/data/ise_ift_ignite05/cache-/"]]{code}
>  
> full error message:
> {code:java}
> "org.apache.ignite.client.ClientConnectionException: Connection refused\n\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:197)\n\tat
>  
> org.apache.ignite.internal.client.thin.TcpClientChannel.<init>(TcpClientChannel.java:208)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.getOrCreateChannel(ReliableChannel.java:1038)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.getOrCreateChannel(ReliableChannel.java:1016)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel.applyOnDefaultChannel(ReliableChannel.java:843)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel.applyOnDefaultChannel(ReliableChannel.java:788)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel.service(ReliableChannel.java:205)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel.service(ReliableChannel.java:186)\n\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel.request(ReliableChannel.java:321)\n\tat
>  
> org.apache.ignite.internal.client.thin.TcpIgniteClient.createCache(TcpIgniteClient.java:281)\n\tat
>  
> com.sbt.sbergrid.admin_ui.controller.CacheController.cacheCreate(CacheController.java:257)\n\tat
>  jdk.internal.reflect.GeneratedMethodAccessor75.invoke(Unknown Source)\n\tat 
> java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat
>  java.base/java.lang.reflect.Method.invoke(Method.java:566)\n\tat 
> org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:205)\n\tat
>  
> org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:150)\n\tat
>  
> org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:117)\n\tat
>  
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:895)\n\tat
>  
> org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:808)\n\tat
>  
> org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87)\n\tat
>  
> org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:1072)\n\tat
>  
> org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:965)\n\tat
>  
> org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:1006)\n\tat
>  
> org.springframework.web.servlet.FrameworkServlet.doPost(FrameworkServlet.java:909)\n\tat
>  javax.servlet.http.HttpServlet.service(HttpServlet.java:665)\n\tat 
> org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:883)\n\tat
>  javax.servlet.http.HttpServlet.service(HttpServlet.java:750)\n\tat 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:209)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)\n\tat
>  org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:51)\n\tat 
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)\n\tat
>  
> com.sbt.sbergrid.admin_ui.components.CacheBustingFilter.doFilter(CacheBustingFilter.java:27)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)\n\tat
>  
> org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100)\n\tat
>  
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)\n\tat
>  
> org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93)\n\tat
>  
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)\n\tat
>  
> org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201)\n\tat
>  
> org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:117)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:178)\n\tat
>  
> org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:153)\n\tat
>  
> org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:168)\n\tat
>  
> org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:90)\n\tat
>  
> org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:481)\n\tat
>  
> org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:130)\n\tat
>  
> org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:93)\n\tat
>  
> org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:74)\n\tat
>  
> org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342)\n\tat
>  
> org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:390)\n\tat
>  
> org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:63)\n\tat
>  
> org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:928)\n\tat
>  
> org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1794)\n\tat
>  
> org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52)\n\tat
>  
> org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)\n\tat
>  
> org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)\n\tat
>  
> org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)\n\tat
>  java.base/java.lang.Thread.run(Thread.java:834)\n\tSuppressed: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\t... 63 more\n\tCaused by: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t...
>  62 more\n\tCaused by: java.net.ConnectException: Connection refused\n\t\tat 
> java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t...
>  62 more\n\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\t... 63 more\n\tCaused by: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t...
>  62 more\n\tCaused by: java.net.ConnectException: Connection refused\n\t\tat 
> java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t...
>  62 more\n\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\t... 63 more\n\t\tSuppressed: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\t\t... 63 more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.ConnectException: Connection 
> refused\n\t\t\tat java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\t\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\t\t... 63 more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.ConnectException: Connection 
> refused\n\t\t\tat java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\t\tSuppressed: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\t... 63 
> more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.UnknownHostException\n\t\t\tat 
> java.base/sun.nio.ch.Net.translateException(Net.java:194)\n\t\t\tat 
> java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:135)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\t\tSuppressed: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\t... 63 
> more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.UnknownHostException\n\t\t\tat 
> java.base/sun.nio.ch.Net.translateException(Net.java:194)\n\t\t\tat 
> java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:135)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\tCaused by: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t...
>  62 more\n\tCaused by: java.net.ConnectException: Connection refused\n\t\tat 
> java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t...
>  62 more\n\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\t... 63 more\n\t\tSuppressed: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\t... 63 
> more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.UnknownHostException\n\t\t\tat 
> java.base/sun.nio.ch.Net.translateException(Net.java:194)\n\t\t\tat 
> java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:135)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\t\tSuppressed: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\t... 63 
> more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.UnknownHostException\n\t\t\tat 
> java.base/sun.nio.ch.Net.translateException(Net.java:194)\n\t\t\tat 
> java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:135)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\tCaused by: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t...
>  62 more\n\tCaused by: java.net.ConnectException: Connection refused\n\t\tat 
> java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t...
>  62 more\n\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:197)\n\t\tat
>  
> org.apache.ignite.internal.client.thin.TcpClientChannel.<init>(TcpClientChannel.java:208)\n\t\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.getOrCreateChannel(ReliableChannel.java:1038)\n\t\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel$ClientChannelHolder.getOrCreateChannel(ReliableChannel.java:1016)\n\t\tat
>  
> org.apache.ignite.internal.client.thin.ReliableChannel.applyOnDefaultChannel(ReliableChannel.java:832)\n\t\t...
>  58 more\n\t\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\t\t... 63 more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.ConnectException: Connection 
> refused\n\t\t\tat java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\t\tSuppressed: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\t\t... 63 more\n\t\tCaused by: 
> org.apache.ignite.client.ClientConnectionException: Connection 
> refused\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t\t...
>  62 more\n\t\tCaused by: java.net.ConnectException: Connection 
> refused\n\t\t\tat java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t\t...
>  62 more\n\tCaused by: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t\t...
>  62 more\n\tCaused by: java.net.ConnectException: Connection refused\n\t\tat 
> java.base/sun.nio.ch.Net.connect0(Native Method)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\t\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\t\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\t\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\t\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t\t...
>  62 more\nCaused by: org.apache.ignite.client.ClientConnectionException: 
> Connection refused\n\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:172)\n\t...
>  62 more\nCaused by: java.net.ConnectException: Connection refused\n\tat 
> java.base/sun.nio.ch.Net.connect0(Native Method)\n\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:476)\n\tat 
> java.base/sun.nio.ch.Net.connect(Net.java:468)\n\tat 
> java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:694)\n\tat
>  java.base/sun.nio.ch.SocketAdaptor.connect(SocketAdaptor.java:100)\n\tat 
> org.apache.ignite.internal.client.thin.io.gridnioserver.GridNioClientConnectionMultiplexer.open(GridNioClientConnectionMultiplexer.java:152)\n\t...
>  62 more\n"
> {code}



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