Data Connection Error

In Pipeline Builder, MySQL Server is not working to connect.

The error is following:

The explorer command failed to run:
java.lang.Throwable:RemoteException: INVALID_ARGUMENT (MagritteExplorer:SqlError) with instance ID 8ff320a8-3a22-40c7-965e-6d1d23900fa8: {reason=The TCP/IP connection to the host member-upgrade-cluster.cluster-c2arklbksqk4.ap-northeast-2.rds.amazonaws.com, port 3306 has failed. Error: “member-upgrade-cluster.cluster-c2arklbksqk4.ap-northeast-2.rds.amazonaws.com. Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.”., originalErrorInstanceId=006bb723-4525-47f9-9f17-0da3cce2a4d5, stacktrace=com.palantir.magritte.explorer.jdbc.MagritteExplorerErrors.sqlError(MagritteExplorerErrors.java:25)
shadow.com.palantir.magritte.magritte_jdbc_mssql_10_source.com.palantir.magritte.jdbc.explorer.JdbcExplorationRunner.runExplorationRequest(JdbcExplorationRunner.java:154)
shadow.com.palantir.magritte.magritte_jdbc_mssql_10_source.com.palantir.magritte.jdbc.explorer.JdbcExplorationRunner.getTables(JdbcExplorationRunner.java:62)
com.palantir.magritte.plugin.jdbc.mssql10.MsSql10Source.getTables(MsSql10Source.java:83)
com.palantir.magritte.source.explore.TableBasedExplorableSourceV2$1.visitGetTablesRequest(TableBasedExplorableSourceV2.java:31)
com.palantir.magritte.source.explore.TableBasedExplorableSourceV2$1.visitGetTablesRequest(TableBasedExplorableSourceV2.java:28)
com.palantir.magritte.explorer.api.TableBasedExplorationRequestV2$GetTablesRequestWrapper.accept(TableBasedExplorationRequestV2.java:327)
com.palantir.magritte.explorer.api.TableBasedExplorationRequestV2.accept(TableBasedExplorationRequestV2.java:90)
com.palantir.magritte.source.explore.TableBasedExplorableSourceV2.exploreTableBasedV2(TableBasedExplorableSourceV2.java:28)
com.palantir.magritte.api.Source.lambda$explore$9(Source.java:68)
com.palantir.magritte.explorer.api.ExplorationRequest$VisitorBuilder$1.visitTableBasedV2(ExplorationRequest.java:258)
com.palantir.magritte.explorer.api.ExplorationRequest$TableBasedV2Wrapper.accept(ExplorationRequest.java:436)
com.palantir.magritte.explorer.api.ExplorationRequest.accept(ExplorationRequest.java:94)
com.palantir.magritte.api.Source.explore(Source.java:74)
com.palantir.magritte.cloud.explorer.CloudSourceExplorationResource.lambda$getExplorationResponse$21(CloudSourceExplorationResource.java:194)
com.palantir.magritte.connector.plugin.common.exploration.TableBasedExplorer.explore(TableBasedExplorer.java:91)
com.palantir.magritte.connector.plugin.common.exploration.GetExplorationResponseVisitor.visitTableBasedV2(GetExplorationResponseVisitor.java:37)
com.palantir.magritte.connector.plugin.common.exploration.GetExplorationResponseVisitor.visitTableBasedV2(GetExplorationResponseVisitor.java:17)
com.palantir.magritte.explorer.api.ExplorationRequest$TableBasedV2Wrapper.accept(ExplorationRequest.java:436)
com.palantir.magritte.explorer.api.ExplorationRequest.accept(ExplorationRequest.java:94)
com.palantir.magritte.cloud.explorer.CloudSourceExplorationResource.lambda$getExplorationResponse$22(CloudSourceExplorationResource.java:207)
com.palantir.magritte.cloud.explorer.CloudSourceExplorationResource.rethrowRuntimeExceptionsAsExplorerCommandFailures(CloudSourceExplorationResource.java:277)
com.palantir.magritte.cloud.explorer.CloudSourceExplorationResource.getExplorationResponse(CloudSourceExplorationResource.java:177)
com.palantir.magritte.cloud.explorer.CloudSourceExplorationServiceEndpoints$GetExplorationResponseEndpoint.handleRequest(CloudSourceExplorationServiceEndpoints.java:74)
com.palantir.conjure.java.undertow.runtime.ConjureExceptionHandler.handleRequest(ConjureExceptionHandler.java:42)
com.palantir.tracing.undertow.TracedStateHandler.handleRequest(TracedStateHandler.java:44)
com.palantir.conjure.java.undertow.runtime.LoggingContextHandler.handleRequest(LoggingContextHandler.java:40)
io.undertow.server.Connectors.executeRootHandler(Connectors.java:395)
io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:861)
com.palantir.witchcraft.ActiveCountingExecutorService$TaskWrapper.run(ActiveCountingExecutorService.java:84)
com.palantir.nylon.threads.RenamingExecutorService$RenamingRunnable.run(RenamingExecutorService.java:92)
org.jboss.threads.EnhancedViewExecutor$EnhancedViewExecutorRunnable.run(EnhancedViewExecutor.java:496)
org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)
org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2651)
org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2630)
org.jboss.threads.EnhancedQueueExecutor.runThreadBody(EnhancedQueueExecutor.java:1622)
org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1589)
com.palantir.tritium.metrics.TaggedMetricsThreadFactory$InstrumentedTask.run(TaggedMetricsThreadFactory.java:94)
java.lang.Thread.run(Thread.java:1583), sqlState=08S01, vendorCode=0}
com.palantir.conjure.java.dialogue.serde.DefaultClients.newRemoteException(DefaultClients.java:148)
com.palantir.conjure.java.dialogue.serde.DefaultClients.block(DefaultClients.java:123)
com.palantir.conjure.java.dialogue.serde.DefaultClients.callBlocking(DefaultClients.java:76)
com.palantir.magritte.cloud.explorer.CloudSourceExplorationServiceBlocking$1.getExplorationResponse(CloudSourceExplorationServiceBlocking.java:128)
com.palantir.magritte.coordinator.command.CloudSourceExplorationRequestMapper$1.subtype(CloudSourceExplorationRequestMapper.java:84)
com.palantir.magritte.coordinator.command.CloudSourceExplorationRequestMapper$1.subtype(CloudSourceExplorationRequestMapper.java:59)
com.palantir.magritte.bridge.command.SourceExplorationCommand.map(SourceExplorationCommand.java:50)
com.palantir.magritte.coordinator.command.CloudSourceExplorationRequestMapper.getCloudSourceExplorationResponse(CloudSourceExplorationRequestMapper.java:59)
com.palantir.magritte.coordinator.command.SourceExplorerCommandRunner.getCloudRunExplorerResponse(SourceExplorerCommandRunner.java:139)
com.palantir.magritte.coordinator.command.SourceExplorerCommandRunner.lambda$getExplorerResponseForSource$1(SourceExplorerCommandRunner.java:111)
com.palantir.magritte.store.source.api.RuntimePlatformResponse$VisitorBuilder$1.visitCloud(RuntimePlatformResponse.java:175)
com.palantir.magritte.store.source.api.RuntimePlatformResponse$CloudWrapper.accept(RuntimePlatformResponse.java:297)
com.palantir.magritte.store.source.api.RuntimePlatformResponse.accept(RuntimePlatformResponse.java:70)
com.palantir.magritte.coordinator.command.SourceExplorerCommandRunner.getExplorerResponseForSource(SourceExplorerCommandRunner.java:95)
com.palantir.magritte.coordinator.resources.TableBasedSourceExplorationResource.getExplorerResponse(TableBasedSourceExplorationResource.java:172)
com.palantir.magritte.coordinator.resources.TableBasedSourceExplorationResource.getTablesInner(TableBasedSourceExplorationResource.java:94)
com.palantir.magritte.coordinator.resources.TableBasedSourceExplorationResource.getTables(TableBasedSourceExplorationResource.java:71)
com.palantir.magritte.coordinator.api.TableBasedSourceExplorationServiceEndpoints$GetTablesEndpoint.handleRequest(TableBasedSourceExplorationServiceEndpoints.java:89)
com.palantir.conjure.java.undertow.runtime.ConjureExceptionHandler.handleRequest(ConjureExceptionHandler.java:42)
com.palantir.tracing.undertow.TracedStateHandler.handleRequest(TracedStateHandler.java:44)
com.palantir.conjure.java.undertow.runtime.LoggingContextHandler.handleRequest(LoggingContextHandler.java:40)
io.undertow.server.Connectors.executeRootHandler(Connectors.java:395)
io.undertow.server.HttpServerExchange$1.run(HttpServerExchange.java:861)
com.palantir.witchcraft.ActiveCountingExecutorService$TaskWrapper.run(ActiveCountingExecutorService.java:84)
com.palantir.nylon.threads.RenamingExecutorService$RenamingRunnable.run(RenamingExecutorService.java:92)
org.jboss.threads.EnhancedViewExecutor$EnhancedViewExecutorRunnable.run(EnhancedViewExecutor.java:496)
org.jboss.threads.ContextHandler$1.runWith(ContextHandler.java:18)
org.jboss.threads.EnhancedQueueExecutor$Task.doRunWith(EnhancedQueueExecutor.java:2651)
org.jboss.threads.EnhancedQueueExecutor$Task.run(EnhancedQueueExecutor.java:2630)
org.jboss.threads.EnhancedQueueExecutor.runThreadBody(EnhancedQueueExecutor.java:1622)
org.jboss.threads.EnhancedQueueExecutor$ThreadBody.run(EnhancedQueueExecutor.java:1589)
com.palantir.tritium.metrics.TaggedMetricsThreadFactory$InstrumentedTask.run(TaggedMetricsThreadFactory.java:94)
java.lang.Thread.run(Thread.java:1583)

Hey, did you Verify the connection properties. Make sure that an instance of SQL Server is running on the host and accepting TCP/IP connections at the port. Make sure that TCP connections to the port are not blocked by a firewall.?