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  1. JBoss Enterprise Application Platform
  2. JBEAP-16434

(7.2.z) [UNDERTOW-1486] Out of memory errors

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      We're seeing undertow slowly continuing a memory consumption until we run out of heap space and start getting outofmemory errors. On analysis of the heapdump, the main suspect appears to be:

      One instance of "io.undertow.server.protocol.http.HttpOpenListener" loaded by "sun.misc.Launcher$AppClassLoader @ 0xc0041e40" occupies 967,912,832 (95.19%) bytes. The memory is accumulated in one instance of "java.util.concurrent.ConcurrentHashMap$Node[]" loaded by "<system class loader>".

      This happened immediately when moving from 1.4.22.Final to 2.0.16.Final. I suspect its being triggered by a poorly designed health check.

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      We're seeing undertow slowly continuing a memory consumption until we run out of heap space and start getting outofmemory errors. On analysis of the heapdump, the main suspect appears to be: One instance of "io.undertow.server.protocol.http.HttpOpenListener" loaded by "sun.misc.Launcher$AppClassLoader @ 0xc0041e40" occupies 967,912,832 (95.19%) bytes. The memory is accumulated in one instance of "java.util.concurrent.ConcurrentHashMap$Node[]" loaded by "<system class loader>". This happened immediately when moving from 1.4.22.Final to 2.0.16.Final. I suspect its being triggered by a poorly designed health check.
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            Assignee:
            spyrkob Bartosz Spyrko-Smietanko
            Reporter:
            spyrkob Bartosz Spyrko-Smietanko
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