danhuawang opened a new issue, #8451:
URL: https://github.com/apache/gravitino/issues/8451
### What would you like to be improved?
There's some WARN messages as following in Iceberg rest server:
```
2025-09-05 04:25:47 INFO [ForkJoinPool.commonPool-worker-16]
IcebergCatalogWrapper:269 - AbandonedConnectionCleanupThread has been
shutdown...
2025-09-05 04:39:40 WARN [Finalizer] S3FileIO:419 - Unclosed S3FileIO
instance created by:
org.apache.iceberg.aws.s3.S3FileIO.initialize(S3FileIO.java:359)
org.apache.iceberg.CatalogUtil.loadFileIO(CatalogUtil.java:351)
org.apache.iceberg.jdbc.JdbcCatalog.initialize(JdbcCatalog.java:131)
org.apache.gravitino.iceberg.common.utils.IcebergCatalogUtil.loadJdbcCatalog(IcebergCatalogUtil.java:138)
org.apache.gravitino.iceberg.common.utils.IcebergCatalogUtil.loadCatalogBackend(IcebergCatalogUtil.java:186)
org.apache.gravitino.iceberg.common.ops.IcebergCatalogWrapper.<init>(IcebergCatalogWrapper.java:89)
org.apache.gravitino.catalog.lakehouse.iceberg.IcebergCatalogOperations.initialize(IcebergCatalogOperations.java:115)
org.apache.gravitino.connector.BaseCatalog.ops(BaseCatalog.java:172)
org.apache.gravitino.catalog.CatalogManager$CatalogWrapper.asSchemas(CatalogManager.java:254)
org.apache.gravitino.catalog.CatalogManager$CatalogWrapper.lambda$doWithSchemaOps$0(CatalogManager.java:147)
org.apache.gravitino.utils.IsolatedClassLoader.withClassLoader(IsolatedClassLoader.java:86)
org.apache.gravitino.catalog.CatalogManager$CatalogWrapper.doWithSchemaOps(CatalogManager.java:145)
org.apache.gravitino.catalog.SchemaOperationDispatcher.lambda$internalLoadSchema$19(SchemaOperationDispatcher.java:405)
org.apache.gravitino.catalog.OperationDispatcher.doWithCatalog(OperationDispatcher.java:100)
org.apache.gravitino.catalog.SchemaOperationDispatcher.internalLoadSchema(SchemaOperationDispatcher.java:403)
org.apache.gravitino.catalog.SchemaOperationDispatcher.lambda$loadSchema$8(SchemaOperationDispatcher.java:189)
org.apache.gravitino.lock.TreeLockUtils.doWithTreeLock(TreeLockUtils.java:49)
org.apache.gravitino.catalog.SchemaOperationDispatcher.loadSchema(SchemaOperationDispatcher.java:189)
org.apache.gravitino.connector.SupportsSchemas.schemaExists(SupportsSchemas.java:65)
org.apache.gravitino.hook.SchemaHookDispatcher.schemaExists(SchemaHookDispatcher.java:103)
org.apache.gravitino.catalog.SchemaNormalizeDispatcher.schemaExists(SchemaNormalizeDispatcher.java:58)
org.apache.gravitino.listener.SchemaEventDispatcher.schemaExists(SchemaEventDispatcher.java:89)
org.apache.gravitino.utils.MetadataObjectUtil.checkMetadataObject(MetadataObjectUtil.java:157)
org.apache.gravitino.tag.TagManager.listTagsInfoForMetadataObject(TagManager.java:241)
org.apache.gravitino.listener.TagEventDispatcher.listTagsInfoForMetadataObject(TagEventDispatcher.java:227)
org.apache.gravitino.server.web.rest.MetadataObjectTagOperations.lambda$listTagsForMetadataObject$8(MetadataObjectTagOperations.java:167)
java.base/java.security.AccessController.doPrivileged(AccessController.java:712)
java.base/javax.security.auth.Subject.doAs(Subject.java:439)
org.apache.gravitino.utils.PrincipalUtils.doAs(PrincipalUtils.java:39)
org.apache.gravitino.server.web.Utils.doAs(Utils.java:198)
org.apache.gravitino.server.web.rest.MetadataObjectTagOperations.listTagsForMetadataObject(MetadataObjectTagOperations.java:159)
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native
Method)
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
java.base/java.lang.reflect.Method.invoke(Method.java:568)
org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory.lambda$static$0(ResourceMethodInvocationHandlerFactory.java:52)
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:146)
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:189)
org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$ResponseOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:176)
org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:93)
org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:478)
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:400)
org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:81)
org.glassfish.jersey.server.ServerRuntime$1.run(ServerRuntime.java:256)
org.glassfish.jersey.internal.Errors$1.call(Errors.java:248)
org.glassfish.jersey.internal.Errors$1.call(Errors.java:244)
org.glassfish.jersey.internal.Errors.process(Errors.java:292)
org.glassfish.jersey.internal.Errors.process(Errors.java:274)
org.glassfish.jersey.internal.Errors.process(Errors.java:244)
org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:265)
org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:235)
org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:684)
org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:394)
org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:346)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:358)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:311)
org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:205)
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
org.eclipse.jetty.servlet.ServletHandler$ChainEnd.doFilter(ServletHandler.java:1656)
org.apache.gravitino.server.authentication.AuthenticationFilter.doFilter(AuthenticationFilter.java:86)
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626)
org.apache.gravitino.server.web.VersioningFilter.doFilter(VersioningFilter.java:111)
org.eclipse.jetty.servlet.FilterHolder.doFilter(FilterHolder.java:193)
org.eclipse.jetty.servlet.ServletHandler$Chain.doFilter(ServletHandler.java:1626)
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:552)
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600)
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440)
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505)
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355)
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:146)
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
org.eclipse.jetty.server.Server.handle(Server.java:516)
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487)
org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732)
org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479)
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)
org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:338)
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:315)
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:173)
org.eclipse.jetty.util.thread.strategy.EatWhatYouKill.run(EatWhatYouKill.java:131)
org.eclipse.jetty.util.thread.ReservedThreadExecutor$ReservedThread.run(ReservedThreadExecutor.java:409)
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)
java.base/java.lang.Thread.run(Thread.java:833)
```
### How should we improve?
Handle these messages
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