[
https://issues.apache.org/jira/browse/LUCENE-3939?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13243294#comment-13243294
]
Michael McCandless commented on LUCENE-3939:
--------------------------------------------
OK I see this ClassCastException:
{noformat}
[junit] Testcase:
testMisUse(org.apache.lucene.index.TestTermVectorsReader): Caused an
ERROR
[junit] org.apache.lucene.index.TermVectorEntry cannot be cast to
java.lang.Comparable
[junit] java.lang.ClassCastException:
org.apache.lucene.index.TermVectorEntry cannot be cast to java.lang.Comparable
[junit] at java.util.TreeMap.put(TreeMap.java:542)
[junit] at java.util.TreeSet.add(TreeSet.java:238)
[junit] at
org.apache.lucene.index.SortedTermVectorMapper.map(SortedTermVectorMapper.java:71)
[junit] at
org.apache.lucene.index.TestTermVectorsReader.testMisUse(TestTermVectorsReader.java:456)
[junit] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
[junit] at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
[junit] at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
[junit] at java.lang.reflect.Method.invoke(Method.java:597)
[junit] at
org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:45)
[junit] at
org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
[junit] at
org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:42)
[junit] at
org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
[junit] at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
[junit] at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
[junit] at
org.apache.lucene.util.LuceneTestCase$SubclassSetupTeardownRule$1.evaluate(LuceneTestCase.java:630)
[junit] at
org.apache.lucene.util.LuceneTestCase$InternalSetupTeardownRule$1.evaluate(LuceneTestCase.java:536)
[junit] at
org.apache.lucene.util.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:67)
[junit] at
org.apache.lucene.util.LuceneTestCase$TestResultInterceptorRule$1.evaluate(LuceneTestCase.java:457)
[junit] at
org.apache.lucene.util.UncaughtExceptionsRule$1.evaluate(UncaughtExceptionsRule.java:74)
[junit] at
org.apache.lucene.util.LuceneTestCase$SaveThreadAndTestNameRule$1.evaluate(LuceneTestCase.java:508)
[junit] at org.junit.rules.RunRules.evaluate(RunRules.java:18)
[junit] at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:263)
[junit] at
org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:68)
[junit] at
org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:146)
[junit] at
org.apache.lucene.util.LuceneTestCaseRunner.runChild(LuceneTestCaseRunner.java:50)
[junit] at org.junit.runners.ParentRunner$3.run(ParentRunner.java:231)
[junit] at
org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:60)
[junit] at
org.junit.runners.ParentRunner.runChildren(ParentRunner.java:229)
[junit] at
org.junit.runners.ParentRunner.access$000(ParentRunner.java:50)
[junit] at
org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:222)
[junit] at
org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
[junit] at
org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:30)
[junit] at
org.apache.lucene.util.UncaughtExceptionsRule$1.evaluate(UncaughtExceptionsRule.java:74)
[junit] at
org.apache.lucene.util.StoreClassNameRule$1.evaluate(StoreClassNameRule.java:36)
[junit] at
org.apache.lucene.util.SystemPropertiesInvariantRule$1.evaluate(SystemPropertiesInvariantRule.java:67)
[junit] at org.junit.rules.RunRules.evaluate(RunRules.java:18)
[junit] at org.junit.runners.ParentRunner.run(ParentRunner.java:300)
[junit] at
junit.framework.JUnit4TestAdapter.run(JUnit4TestAdapter.java:39)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:518)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:1052)
[junit] at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:906)
{noformat}
However, I think it's because you're passing null as the
Comparator<TermVectorEntry> to SortedTermVectorMapper, forcing the TreeSet to
try to cast the TermVectorEntry to Comparable, which then fails.
Really you should not pass a null Comparator...
> ClassCastException thrown in the map(String,int,TermVectorOffsetInfo[],int[])
> method in org.apache.lucene.index.SortedTermVectorMapper
> --------------------------------------------------------------------------------------------------------------------------------------
>
> Key: LUCENE-3939
> URL: https://issues.apache.org/jira/browse/LUCENE-3939
> Project: Lucene - Java
> Issue Type: Bug
> Components: core/index
> Affects Versions: 3.0.2, 3.1, 3.4, 3.5
> Reporter: SHIN HWEI TAN
> Original Estimate: 0.05h
> Remaining Estimate: 0.05h
>
> The method "map" in the "SortedTermVectorMapper" class does not check the
> parameter "term" for the valid values. It throws ClassCastException when
> called with a invalid string for the parameter "term" (i.e., "var3.map("*",
> (-1), null, null)"). The exception thrown is due to an explict cast(i.e.,
> casting the return value of termToTVE.get(term) to type "TermVectorEntry").
> Suggested Fixes: Replace the beginning of the method body for the class
> "SortedTermVectorMapper" by changing it like this:
> public void map(String term, int frequency, TermVectorOffsetInfo[] offsets,
> int[] positions) {
> if(termToTVE.get(term) instanceof TermVectorEntry){
> TermVectorEntry entry = (TermVectorEntry) termToTVE.get(term);
> ...
> }
> }
--
This message is automatically generated by JIRA.
If you think it was sent incorrectly, please contact your JIRA administrators:
https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa
For more information on JIRA, see: http://www.atlassian.com/software/jira
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
