20100507 opened a new issue, #5256:
URL: https://github.com/apache/iceberg/issues/5256

   operating environment:
   
   1. Flink1.12.1
   2. Iceberg 0.13.x
   3. Hadoop3.2.2
   4. S3 storage
   
   `2022-07-12 14:08:06.212 [Source: Iceberg table 
(s3a://jykj/warehouse/MKJXZYRYGLXT16323793634643071688555102209/person/ps_t_real_result)
 monitor (1/1)#1] WARN  org.apache.flink.runtime.taskmanager.Task  - Source: 
Iceberg table 
(s3a://jykj/warehouse/MKJXZYRYGLXT16323793634643071688555102209/person/ps_t_real_result)
 monitor (1/1)#1 (a67a9858a8ff1079afd508ef3e89137b) switched from RUNNING to 
FAILED.
   org.apache.iceberg.exceptions.RuntimeIOException: Failed to refresh the table
        at 
org.apache.iceberg.hadoop.HadoopTableOperations.refresh(HadoopTableOperations.java:121)
        at org.apache.iceberg.BaseTable.refresh(BaseTable.java:59)
        at 
org.apache.iceberg.flink.source.StreamingMonitorFunction.monitorAndForwardSplits(StreamingMonitorFunction.java:133)
        at 
org.apache.iceberg.flink.source.StreamingMonitorFunction.run(StreamingMonitorFunction.java:124)
        at 
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:110)
        at 
org.apache.flink.streaming.api.operators.StreamSource.run(StreamSource.java:66)
        at 
org.apache.flink.streaming.runtime.tasks.SourceStreamTask$LegacySourceFunctionThread.run(SourceStreamTask.java:241)
   Caused by: java.io.InterruptedIOException: getFileStatus on 
s3a://jykj/warehouse/MKJXZYRYGLXT16323793634643071688555102209/person/ps_t_real_result/metadata/v961.metadata.json:
 com.amazonaws.SdkClientException: Unable to execute HTTP request: Timeout 
waiting for connection from pool
        at 
org.apache.hadoop.fs.s3a.S3AUtils.translateInterruptedException(S3AUtils.java:352)
        at 
org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:177)
        at 
org.apache.hadoop.fs.s3a.S3AUtils.translateException(S3AUtils.java:151)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2278)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.innerGetFileStatus(S3AFileSystem.java:2226)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.getFileStatus(S3AFileSystem.java:2160)
        at org.apache.hadoop.fs.FileSystem.exists(FileSystem.java:1690)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.exists(S3AFileSystem.java:3033)
        at 
org.apache.iceberg.hadoop.HadoopTableOperations.getMetadataFile(HadoopTableOperations.java:240)
        at 
org.apache.iceberg.hadoop.HadoopTableOperations.refresh(HadoopTableOperations.java:101)
        ... 6 common frames omitted
   Caused by: com.amazonaws.SdkClientException: Unable to execute HTTP request: 
Timeout waiting for connection from pool
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleRetryableException(AmazonHttpClient.java:1175)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1121)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:770)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:744)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:726)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:686)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:668)
        at 
com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:532)
        at 
com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:512)
        at 
com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4920)
        at 
com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4866)
        at 
com.amazonaws.services.s3.AmazonS3Client.getObjectMetadata(AmazonS3Client.java:1320)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.lambda$getObjectMetadata$4(S3AFileSystem.java:1307)
        at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:322)
        at org.apache.hadoop.fs.s3a.Invoker.retryUntranslated(Invoker.java:285)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.getObjectMetadata(S3AFileSystem.java:1304)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:2264)
        ... 12 common frames omitted
   Caused by: 
com.amazonaws.thirdparty.apache.http.conn.ConnectionPoolTimeoutException: 
Timeout waiting for connection from pool
        at 
com.amazonaws.thirdparty.apache.http.impl.conn.PoolingHttpClientConnectionManager.leaseConnection(PoolingHttpClientConnectionManager.java:313)
        at 
com.amazonaws.thirdparty.apache.http.impl.conn.PoolingHttpClientConnectionManager$1.get(PoolingHttpClientConnectionManager.java:279)
        at sun.reflect.GeneratedMethodAccessor26.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.amazonaws.http.conn.ClientConnectionRequestFactory$Handler.invoke(ClientConnectionRequestFactory.java:70)
        at com.amazonaws.http.conn.$Proxy35.get(Unknown Source)
        at 
com.amazonaws.thirdparty.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:191)
        at 
com.amazonaws.thirdparty.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:185)
        at 
com.amazonaws.thirdparty.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:185)
        at 
com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:83)
        at 
com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:56)
        at 
com.amazonaws.http.apache.client.impl.SdkHttpClient.execute(SdkHttpClient.java:72)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1297)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1113)
        ... 27 common frames omitted`
   
   Possibly the file handle is leaked?


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