OutOfMemory due to huge number of 'org.apache.http.impl.conn.PoolingHttpClientConnectionManager' instances referenced by 'idle-connection-reaper' thread #1292

[mahudees]

We are facing OOM error in a customer setup with AWS java sdk, checking the heap dump, looks like there are huge number of org.apache.http.impl.conn.PoolingHttpClientConnectionManager instances are referenced by idle-connection-reaper thread.
Checked the code, clients are created and closed properly (checked this in #1679).

There is one similar issue related to this, awslabs/amazon-kinesis-client#981, which was observed when using WebIdentityTokenFileCredentialsProvider, is this applicable for InstanceProfileCredentialsProvider as well?

Our application creates a new client and use for connecting to AWS, when a predefined time is passed (10 minutes), the exisiting clients is closed and a new client is created. Tried to reproduce, but the issue is not reproduced in local setup.