Github user revans2 commented on the pull request:
https://github.com/apache/storm/pull/410#issuecomment-73267260
The changes look good for the most part, but I am seeing a hang that comes
up rather frequently.
```
"main" #1 prio=5 os_prio=31 tid=0x00007fc339801000 nid=0x1303 waiting on
condition [0x000000010357a000]
java.lang.Thread.State: WAITING (parking)
at sun.misc.Unsafe.park(Native Method)
- parking to wait for <0x0000000776c693f0> (a
java.util.concurrent.Semaphore$NonfairSync)
at java.util.concurrent.locks.LockSupport.park(LockSupport.java:175)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(AbstractQueuedSynchronizer.java:836)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireSharedInterruptibly(AbstractQueuedSynchronizer.java:997)
at
java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireSharedInterruptibly(AbstractQueuedSynchronizer.java:1304)
at java.util.concurrent.Semaphore.acquire(Semaphore.java:312)
at
backtype.storm.daemon.drpc$service_handler$reify__7034.execute(drpc.clj:104)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:483)
at clojure.lang.Reflector.invokeMatchingMethod(Reflector.java:93)
at clojure.lang.Reflector.invokeInstanceMethod(Reflector.java:28)
at backtype.storm.LocalDRPC$_execute.invoke(LocalDRPC.clj:35)
at backtype.storm.LocalDRPC.execute(Unknown Source)
at backtype.storm.drpc_test$fn__1523$fn__1526.invoke(drpc_test.clj:189)
at backtype.storm.drpc_test$fn__1523.invoke(drpc_test.clj:189)
at clojure.test$test_var$fn__7187.invoke(test.clj:704)
at clojure.test$test_var.invoke(test.clj:704)
at clojure.test$test_vars$fn__7209$fn__7214.invoke(test.clj:722)
at clojure.test$default_fixture.invoke(test.clj:674)
at clojure.test$test_vars$fn__7209.invoke(test.clj:722)
at clojure.test$default_fixture.invoke(test.clj:674)
at clojure.test$test_vars.invoke(test.clj:718)
at clojure.test$test_all_vars.invoke(test.clj:728)
at clojure.test$test_ns.invoke(test.clj:747)
at clojure.core$map$fn__4245.invoke(core.clj:2559)
at clojure.lang.LazySeq.sval(LazySeq.java:40)
- eliminated <0x00000007757dec88> (a clojure.lang.LazySeq)
at clojure.lang.LazySeq.seq(LazySeq.java:49)
- locked <0x00000007757dec88> (a clojure.lang.LazySeq)
at clojure.lang.Cons.next(Cons.java:39)
at clojure.lang.RT.boundedLength(RT.java:1654)
at clojure.lang.RestFn.applyTo(RestFn.java:130)
at clojure.core$apply.invoke(core.clj:626)
at clojure.test$run_tests.doInvoke(test.clj:762)
at clojure.lang.RestFn.invoke(RestFn.java:408)
at
com.theoryinpractise.clojure.testrunner$eval12750$fn__12755$fn__12812.invoke(run-test1041168096946393675.clj:123)
at
com.theoryinpractise.clojure.testrunner$eval12750$fn__12755.invoke(run-test1041168096946393675.clj:120)
at
com.theoryinpractise.clojure.testrunner$eval12750.invoke(run-test1041168096946393675.clj:81)
at clojure.lang.Compiler.eval(Compiler.java:6703)
at clojure.lang.Compiler.load(Compiler.java:7130)
at clojure.lang.Compiler.loadFile(Compiler.java:7086)
at clojure.main$load_script.invoke(main.clj:274)
at clojure.main$script_opt.invoke(main.clj:336)
at clojure.main$main.doInvoke(main.clj:420)
at clojure.lang.RestFn.invoke(RestFn.java:408)
at clojure.lang.Var.invoke(Var.java:379)
at clojure.lang.AFn.applyToHelper(AFn.java:154)
at clojure.lang.Var.applyTo(Var.java:700)
at clojure.main.main(main.java:37)
```
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