Peter Bacsko created OOZIE-2550:
-----------------------------------
Summary: Test case testMultipleIDGeneration_withMultiThread uses
an unsynchronized list from two threads
Key: OOZIE-2550
URL: https://issues.apache.org/jira/browse/OOZIE-2550
Project: Oozie
Issue Type: Bug
Components: tests
Reporter: Peter Bacsko
Assignee: Peter Bacsko
Priority: Minor
Test case testMultipleIDGeneration_withMultiThread in TestZKUUIDService uses an
ArrayList which is written by two threads simultaneously. This is dangerous and
the list must be externally synchronized to prevent race conditions.
The following error was caught during a test run:
{code}
Tests run: 8, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 53.571 sec <<<
FAILURE!
testMultipleIDGeneration_withMultiThread(org.apache.oozie.service.TestZKUUIDService)
Time elapsed: 0.02 sec <<< ERROR!
java.lang.IndexOutOfBoundsException: Index: 89, Size: 89
at java.util.ArrayList.rangeCheck(ArrayList.java:653)
at java.util.ArrayList.get(ArrayList.java:429)
at
org.apache.oozie.service.TestZKUUIDService.testMultipleIDGeneration_withMultiThread(TestZKUUIDService.java:134)
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:498)
at junit.framework.TestCase.runTest(TestCase.java:168)
at junit.framework.TestCase.runBare(TestCase.java:134)
at junit.framework.TestResult$1.protect(TestResult.java:110)
at junit.framework.TestResult.runProtected(TestResult.java:128)
at junit.framework.TestResult.run(TestResult.java:113)
at junit.framework.TestCase.run(TestCase.java:124)
at junit.framework.TestSuite.runTest(TestSuite.java:243)
at junit.framework.TestSuite.run(TestSuite.java:238)
at
org.junit.internal.runners.JUnit38ClassRunner.run(JUnit38ClassRunner.java:83)
at org.junit.runners.Suite.runChild(Suite.java:128)
at org.junit.runners.Suite.runChild(Suite.java:24)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
{code}
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