InstantiatedIndexReader throws NullPointerException in norms() when used with a
MultiReader
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Key: LUCENE-1510
URL: https://issues.apache.org/jira/browse/LUCENE-1510
Project: Lucene - Java
Issue Type: Bug
Components: contrib/*
Affects Versions: 2.4
Reporter: Robert Newson
When using InstantiatedIndexReader under a MultiReader where the other Reader
contains documents, a NullPointerException is thrown here;
public void norms(String field, byte[] bytes, int offset) throws IOException {
byte[] norms = getIndex().getNormsByFieldNameAndDocumentNumber().get(field);
System.arraycopy(norms, 0, bytes, offset, norms.length);
}
the 'norms' variable is null. Performing the copy only when norms is not null
does work, though I'm sure it's not the right fix.
java.lang.NullPointerException
at
org.apache.lucene.store.instantiated.InstantiatedIndexReader.norms(InstantiatedIndexReader.java:297)
at org.apache.lucene.index.MultiReader.norms(MultiReader.java:273)
at
org.apache.lucene.search.TermQuery$TermWeight.scorer(TermQuery.java:70)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:131)
at org.apache.lucene.search.IndexSearcher.search(IndexSearcher.java:112)
at org.apache.lucene.search.Searcher.search(Searcher.java:136)
at org.apache.lucene.search.Searcher.search(Searcher.java:146)
at
org.apache.lucene.store.instantiated.TestWithMultiReader.test(TestWithMultiReader.java:41)
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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