https://glazedlists.dev.java.net/issues/show_bug.cgi?id=453 Issue #|453
Summary|SeparatorList incorrectly throws ConcurrentModificatio
|nException when setting comparator
Component|glazedlists
Version|current
Platform|All
OS/Version|All
URL|
Status|NEW
Status whiteboard|
Keywords|
Resolution|
Issue type|DEFECT
Priority|P2
Subcomponent|core
Assigned to|jessewilson
Reported by|phustad
------- Additional comments from
phustad@... Mon Sep 8 11:00:00 +0000 2008 -------
When setting the comparator of a SeparatorList having a constrained
defaultLimit, the SeparatorList always throws a ConcurrentModificationException
as demonstrated by the Test Case. The CME was not detected by the standard
SeparatorListTest.testSetComparator, since this test has a defaultLimit equal to
Integer.MAX_VALUE.
public void testSetComparatorWithLimit() {
EventList<String> source = new BasicEventList<String>();
source.addAll(GlazedListsTests.stringToList("AAaaaBBBBbCCCddd"));
SeparatorList<String> separatorList = new SeparatorList<String>(source,
(Comparator)GlazedLists.caseInsensitiveComparator(), 0, 2);
ListConsistencyListener<String> listConsistencyListener =
ListConsistencyListener.install(separatorList);
listConsistencyListener.setPreviousElementTracked(false);
separatorList.setComparator(new CaseComparator());
// make list changes
source.addAll(5, GlazedListsTests.stringToList("aaaA"));
// change the comparator again
separatorList.setComparator(GlazedLists.caseInsensitiveComparator());
}
java.util.ConcurrentModificationException: Cannot begin a new event while
another event is in progress by thread, main
at
ca.odell.glazedlists.event.ListEventAssembler$AssemblerHelper.beginEvent(ListEventAssembler.java:347)
at
ca.odell.glazedlists.event.ListEventAssembler.beginEvent(ListEventAssembler.java:114)
at ca.odell.glazedlists.SeparatorList.listChanged(SeparatorList.java:178)
at
ca.odell.glazedlists.event.ListEventAssembler$ListSequencePublisherAdapter$ListEventFormat.fire(ListEventAssembler.java:781)
at
ca.odell.glazedlists.event.ListEventAssembler$ListSequencePublisherAdapter$ListEventFormat.fire(ListEventAssembler.java:1)
at
ca.odell.glazedlists.event.SequenceDependenciesEventPublisher$SubjectAndListener.firePendingEvent(SequenceDependenciesEventPublisher.java:445)
at
ca.odell.glazedlists.event.SequenceDependenciesEventPublisher.fireEvent(SequenceDependenciesEventPublisher.java:344)
at
ca.odell.glazedlists.event.ListEventAssembler$ListSequencePublisherAdapter.fireEvent(ListEventAssembler.java:767)
at
ca.odell.glazedlists.event.ListEventAssembler$AssemblerHelper.commitEvent(ListEventAssembler.java:416)
at
ca.odell.glazedlists.event.ListEventAssembler.commitEvent(ListEventAssembler.java:249)
at ca.odell.glazedlists.SortedList.setComparator(SortedList.java:478)
at ca.odell.glazedlists.SeparatorList.setComparator(SeparatorList.java:142)
at
ca.odell.glazedlists.SeparatorListTest.testSetComparatorWithLimit(SeparatorListTest.java:671)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at junit.framework.TestCase.runTest(TestCase.java:164)
at junit.framework.TestCase.runBare(TestCase.java:130)
at junit.framework.TestResult$1.protect(TestResult.java:106)
at junit.framework.TestResult.runProtected(TestResult.java:124)
at junit.framework.TestResult.run(TestResult.java:109)
at junit.framework.TestCase.run(TestCase.java:120)
at junit.framework.TestSuite.runTest(TestSuite.java:230)
at junit.framework.TestSuite.run(TestSuite.java:225)
at
org.eclipse.jdt.internal.junit.runner.junit3.JUnit3TestReference.run(JUnit3TestReference.java:130)
at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:460)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:673)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:386)
at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:196)
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