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Potential runtime leak from X509Error$ErrorException #1532

nirvdrum opened this Issue Feb 26, 2014 · 2 comments


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nirvdrum commented Feb 26, 2014

I've been trying to track down a memory leak with our app in TorqueBox. A few HTTP threads seemed to be retaining an entire JRuby runtime by way of org.jruby.ext.openssl.x509store.X509Error$ErrorException. While I'm not entirely certain that's the root cause, when checking out the class I came across a commit message indicating it doesn't play well with multiple runtimes:

I'm filing the issue so as to not lose that data. @bbrowning, have you ever come across this issue?


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headius commented Feb 26, 2014

So as you found, it isn't really a runtime leak, but because it's a static threadlocal containing references to classloader-loaded types (ErrorException objects) it could cause a thread to keep that classloader alive.

In the end it didn't appear there's any reason for these to be ErrorException objects, so I eliminated that class entirely and just made it a Map<Integer, String> for the error messages.

It's now next-to-useless, but I'm not sure what consumers are using this list of messages for.

@headius headius added this to the JRuby 1.7.12 milestone Feb 26, 2014

@headius headius added core and removed core labels Feb 26, 2014

@headius headius closed this in d3fa1ad Feb 26, 2014


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bbrowning commented Feb 26, 2014

@nirvdrum I haven't run across this so far in my testing, but perhaps my test apps didn't do anything with SSL and/or X509 to trigger this issue. Good catch and fix though!

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