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Mikhail Cherkasov edited comment on IGNITE-2766 at 1/19/18 12:40 AM: --------------------------------------------------------------------- I can reproduce the issue with the following test: {code:java} import java.util.Arrays; import org.apache.ignite.Ignite; import org.apache.ignite.IgniteCache; import org.apache.ignite.Ignition; import org.apache.ignite.configuration.CacheConfiguration; import org.apache.ignite.configuration.IgniteConfiguration; import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi; import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder; import org.jetbrains.annotations.NotNull; public class ReconnectClient { private static int id; public static void main(String[] args) throws InterruptedException { Ignition.setClientMode(false); Ignite server = Ignition.start(getConfiguration()); Ignition.setClientMode(true); Ignite client = Ignition.start(getConfiguration()); IgniteCache<String, String> cache = client.cache("TEST"); cache.put("Hello", "World"); server.close(); Thread.sleep(2_000); Ignition.setClientMode(false); server = Ignition.start(getConfiguration()); Thread.sleep(4_000); System.out.println(cache.get("Hello")); cache.put("Ping", "Pong"); System.out.println("DONE"); } @NotNull private static IgniteConfiguration getConfiguration() { IgniteConfiguration cfg = new IgniteConfiguration(); TcpDiscoveryVmIpFinder finder = new TcpDiscoveryVmIpFinder(true); finder.setAddresses(Arrays.asList("localhost:47500..47600")); cfg.setIgniteInstanceName("test" + id++); cfg.setCacheConfiguration(new CacheConfiguration("TEST")); cfg.setDiscoverySpi( new TcpDiscoverySpi().setIpFinder(finder)); return cfg; } } {code} was (Author: mcherkasov): I can reproduce the issue with the following test: {code:java} package multiplan; import java.util.Arrays; import org.apache.ignite.Ignite; import org.apache.ignite.IgniteCache; import org.apache.ignite.Ignition; import org.apache.ignite.configuration.CacheConfiguration; import org.apache.ignite.configuration.IgniteConfiguration; import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi; import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder; import org.jetbrains.annotations.NotNull; public class ReconnectClient { private static int id; public static void main(String[] args) throws InterruptedException { Ignition.setClientMode(false); Ignite server = Ignition.start(getConfiguration()); Ignition.setClientMode(true); Ignite client = Ignition.start(getConfiguration()); IgniteCache<String, String> cache = client.cache("TEST"); cache.put("Hello", "World"); server.close(); Thread.sleep(2_000); Ignition.setClientMode(false); server = Ignition.start(getConfiguration()); Thread.sleep(4_000); System.out.println(cache.get("Hello")); cache.put("Ping", "Pong"); System.out.println("DONE"); } @NotNull private static IgniteConfiguration getConfiguration() { IgniteConfiguration cfg = new IgniteConfiguration(); TcpDiscoveryVmIpFinder finder = new TcpDiscoveryVmIpFinder(true); finder.setAddresses(Arrays.asList("localhost:47500..47600")); cfg.setIgniteInstanceName("test" + id++); cfg.setCacheConfiguration(new CacheConfiguration("TEST")); cfg.setDiscoverySpi( new TcpDiscoverySpi().setIpFinder(finder)); return cfg; } } {code} > Cache instance is closed when client disconnects > ------------------------------------------------ > > Key: IGNITE-2766 > URL: https://issues.apache.org/jira/browse/IGNITE-2766 > Project: Ignite > Issue Type: Bug > Components: cache > Affects Versions: 1.5.0.final > Reporter: Valentin Kulichenko > Assignee: Ilya Kasnacheev > Priority: Major > > In case client disconnects and reconnects after network timeout (i.e., with a > new ID), all cache instances acquired by this client are closed and are not > functional. User has to create a special logic to handle this case. > Cache proxy should be able to handle this automatically. -- This message was sent by Atlassian JIRA (v7.6.3#76005)