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https://issues.apache.org/jira/browse/HTTPCORE-782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jason Mathison updated HTTPCORE-782:
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Description:
We have a service that is occasionally having a thread get stuck in a state
where it consumes as much CPU as possible. The thread will create and release a
huge number of objects without causing an overall memory leak.
We gathered a series of stack traces from this happening on one of our
production instances that indicates that the thread is stuck inside of the
"while (inEncryptedBuf.hasRemaining()) { " in
org.apache.hc.core5.reactor.ssl.SSLIOSession.decryptData(SSLIOSession.java)
This issue has been happening a couple of times a week for several weeks. We
believe that it is always happening against a specific endpoint and are
attempting to gather more information about what this endpoint is doing.
This issue started happening a few weeks ago when we were on a slightly older
version of this library. We happened to update to the latest version of these
libraries and this is continuing to happen. We have had no success in causing
this issue to happen in our testing environments where we could gather a heap
dump.
was:
We have a service that is occasionally having a thread get stuck in situation
where it consumes as much CPU as possible. The thread will create and release a
huge number of objects without causing an overall memory leak.
We gathered a series of stack traces from this happening on one of our
production instances that indicates that the thread is stuck inside of the
"while (inEncryptedBuf.hasRemaining()) { " in
org.apache.hc.core5.reactor.ssl.SSLIOSession.decryptData(SSLIOSession.java)
This issue has been happening a couple of times a week for several weeks. We
believe that it is always happening against a specific endpoint and are
attempting to gather more information about what this endpoint is doing.
This issue started happening a few weeks ago when we were on an older version
of this library. We happened to update to the latest version of these libraries
and this is continuing to happen. We have had no success in causing this issue
to happen in our testing environments.
> Occasional thread stuck in
> org.apache.hc.core5.reactor.ssl.SSLIOSession.decryptData
> -----------------------------------------------------------------------------------
>
> Key: HTTPCORE-782
> URL: https://issues.apache.org/jira/browse/HTTPCORE-782
> Project: HttpComponents HttpCore
> Issue Type: Bug
> Components: HttpCore
> Affects Versions: 5.3.4
> Reporter: Jason Mathison
> Priority: Blocker
> Attachments: Thread Stack Traces
>
>
> We have a service that is occasionally having a thread get stuck in a state
> where it consumes as much CPU as possible. The thread will create and release
> a huge number of objects without causing an overall memory leak.
> We gathered a series of stack traces from this happening on one of our
> production instances that indicates that the thread is stuck inside of the
> "while (inEncryptedBuf.hasRemaining()) { " in
> org.apache.hc.core5.reactor.ssl.SSLIOSession.decryptData(SSLIOSession.java)
> This issue has been happening a couple of times a week for several weeks. We
> believe that it is always happening against a specific endpoint and are
> attempting to gather more information about what this endpoint is doing.
> This issue started happening a few weeks ago when we were on a slightly older
> version of this library. We happened to update to the latest version of these
> libraries and this is continuing to happen. We have had no success in causing
> this issue to happen in our testing environments where we could gather a heap
> dump.
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