Possible race condition related to Object#send
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Key: JRUBY-941
URL: http://jira.codehaus.org/browse/JRUBY-941
Project: JRuby
Issue Type: Bug
Components: Core Classes/Modules
Affects Versions: JRuby 0.9.9
Environment: Mac OS X 10.4.9 (Intel)
Java 1.5.0_07
Grinder 3.0 beta33
Reporter: Paul Carey
Attachments: jrubygrinder.tar
Firstly, a caveat, this may not be a JRuby issue - it may simply be caused by
code I've written that's not threadsafe.
When running loadtests concurrently via The Grinder, the following is
occasionally (but fairly consistently) thrown after invoking Object#send.
Caused by: org.jruby.exceptions.RaiseException: instrument_test_internet is not
a symbol
at
org.jruby.exceptions.JumpException.originalFillInStackTrace(JumpException.java:116)
at org.jruby.exceptions.RaiseException.fillInStackTrace(RaiseException.java:134)
...
at org.jruby.javasupport.Java$1.invoke(Java.java:595)
I've never seen this error when running tests serially.
It makes little sense to me that a method is run successfully on most
invocations, but that some invocations result in the above error.
The source isn't large, but it is spread across a bunch of different files.
Simply untar the attached jrubygrinder.tar anywhere, modify
./bin/set_grinder_env.sh as necessary (I believe GRINDERPROPERTIES needs to be
absolute), run ./bin/compile.sh and ./bin/start_agent.sh. To modify the number
of threads simply modify grinder.threads in ./etc/grinder.properties. The entry
point is
loadtestproxy.py.
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