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https://issues.apache.org/jira/browse/HUDI-1308?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17258419#comment-17258419
 ] 

Vinoth Chandar commented on HUDI-1308:
--------------------------------------

Another issue from [~vbalaji]

{code}
Caused by: com.amazonaws.SdkClientException: Unable to execute HTTP request: 
Timeout waiting for connection from pool
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.handleRetryableException(AmazonHttpClient.java:1113)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1063)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.doExecute(AmazonHttpClient.java:743)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeWithTimer(AmazonHttpClient.java:717)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.execute(AmazonHttpClient.java:699)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.access$500(AmazonHttpClient.java:667)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutionBuilderImpl.execute(AmazonHttpClient.java:649)
        at 
com.amazonaws.http.AmazonHttpClient.execute(AmazonHttpClient.java:513)
        at 
com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4229)
        at 
com.amazonaws.services.s3.AmazonS3Client.invoke(AmazonS3Client.java:4176)
        at 
com.amazonaws.services.s3.AmazonS3Client.getObjectMetadata(AmazonS3Client.java:1253)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.getObjectMetadata(S3AFileSystem.java:1053)
        at 
org.apache.hadoop.fs.s3a.S3AFileSystem.s3GetFileStatus(S3AFileSystem.java:1841)
        ... 42 more
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:286)
        at 
com.amazonaws.thirdparty.apache.http.impl.conn.PoolingHttpClientConnectionManager$1.get(PoolingHttpClientConnectionManager.java:263)
        at sun.reflect.GeneratedMethodAccessor45.invoke(Unknown Source)
        at 
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at 
com.amazonaws.http.conn.ClientConnectionRequestFactory$Handler.invoke(ClientConnectionRequestFactory.java:70)
        at com.amazonaws.http.conn.$Proxy19.get(Unknown Source)
        at 
com.amazonaws.thirdparty.apache.http.impl.execchain.MainClientExec.execute(MainClientExec.java:190)
        at 
com.amazonaws.thirdparty.apache.http.impl.execchain.ProtocolExec.execute(ProtocolExec.java:184)
        at 
com.amazonaws.thirdparty.apache.http.impl.client.InternalHttpClient.doExecute(InternalHttpClient.java:184)
        at 
com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:82)
        at 
com.amazonaws.thirdparty.apache.http.impl.client.CloseableHttpClient.execute(CloseableHttpClient.java:55)
        at 
com.amazonaws.http.apache.client.impl.SdkHttpClient.execute(SdkHttpClient.java:72)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeOneRequest(AmazonHttpClient.java:1235)
        at 
com.amazonaws.http.AmazonHttpClient$RequestExecutor.executeHelper(AmazonHttpClient.java:1055)
        ... 53 more
{code}

There might be a connection leak?  
https://github.com/aws/aws-sdk-java/issues/1405


> Issues found during testing RFC-15
> ----------------------------------
>
>                 Key: HUDI-1308
>                 URL: https://issues.apache.org/jira/browse/HUDI-1308
>             Project: Apache Hudi
>          Issue Type: Improvement
>          Components: Writer Core
>            Reporter: Balaji Varadarajan
>            Assignee: Balaji Varadarajan
>            Priority: Blocker
>             Fix For: 0.7.0
>
>
> THis is an umbrella ticket containing all the issues found during testing 
> RFC-15



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