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SOLR-13694: IndexSizeEstimator NullPointerException.

This commit is contained in:
Andrzej Bialecki 2019-08-14 17:57:13 +02:00
parent 70162d3fb1
commit 7c2d45d53e
3 changed files with 32 additions and 3 deletions
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2
solr/CHANGES.txt
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@ -149,6 +149,8 @@ Bug Fixes
* SOLR-13141: CDCR bootstrap does not replicate index to the replicas of target cluster.
(Krzysztof Watral, Amrit Sarkar, Tim, Tdspringsteen, shalin)
* SOLR-13694: IndexSizeEstimator NullPointerException. (ab, hossman)
Other Changes
----------------------

8
solr/core/src/java/org/apache/solr/handler/admin/IndexSizeEstimator.java
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@ -505,14 +505,16 @@ public class IndexSizeEstimator {
CodecReader codecReader = (CodecReader)leafReader;
StoredFieldsReader storedFieldsReader = codecReader.getFieldsReader();
// this instance may be faster for a full sequential pass
storedFieldsReader = storedFieldsReader.getMergeInstance();
StoredFieldsReader mergeInstance = storedFieldsReader.getMergeInstance();
for (int docId = 0; docId < leafReader.maxDoc(); docId += samplingStep) {
if (liveDocs != null && !liveDocs.get(docId)) {
continue;
}
storedFieldsReader.visitDocument(docId, visitor);
mergeInstance.visitDocument(docId, visitor);
}
if (mergeInstance != storedFieldsReader) {
mergeInstance.close();
}
storedFieldsReader.close();
} else {
for (int docId = 0; docId < leafReader.maxDoc(); docId += samplingStep) {
if (liveDocs != null && !liveDocs.get(docId)) {

25
solr/core/src/test/org/apache/solr/handler/admin/IndexSizeEstimatorTest.java
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@ -23,6 +23,14 @@ import java.util.Map;
import java.util.Set;
import java.util.concurrent.TimeUnit;
import org.apache.lucene.codecs.StoredFieldsReader;
import org.apache.lucene.document.DocumentStoredFieldVisitor;
import org.apache.lucene.index.CodecReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.LeafReader;
import org.apache.lucene.index.LeafReaderContext;
import org.apache.lucene.index.StoredFieldVisitor;
import org.apache.lucene.util.Bits;
import org.apache.lucene.util.RamUsageEstimator;
import org.apache.lucene.util.TestUtil;
import org.apache.solr.client.solrj.embedded.JettySolrRunner;
@ -124,6 +132,23 @@ public class IndexSizeEstimatorTest extends SolrCloudTestCase {
double delta = (double) size * 0.5;
assertEquals("sampled size of " + field + " is wildly off", (double)size, (double)sampledSize, delta);
});
// verify the reader is still usable - SOLR-13694
IndexReader reader = searcher.getRawReader();
for (LeafReaderContext context : reader.leaves()) {
LeafReader leafReader = context.reader();
assertTrue("unexpected LeafReader class: " + leafReader.getClass().getName(), leafReader instanceof CodecReader);
Bits liveDocs = leafReader.getLiveDocs();
CodecReader codecReader = (CodecReader) leafReader;
StoredFieldsReader storedFieldsReader = codecReader.getFieldsReader();
StoredFieldVisitor visitor = new DocumentStoredFieldVisitor();
assertNotNull(storedFieldsReader);
for (int docId = 0; docId < leafReader.maxDoc(); docId++) {
if (liveDocs != null && !liveDocs.get(docId)) {
continue;
}
storedFieldsReader.visitDocument(docId, visitor);
}
}
} finally {
searcherRef.decref();
core.close();