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SOLR-6257: More than two "!"-s in a doc ID throws an ArrayIndexOutOfBoundsException when using the composite id router. 

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1611934 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Steven Rowe 2014-07-19 17:48:53 +00:00
parent 02f4d97cf9
commit a0bc0c3d80
3 changed files with 99 additions and 20 deletions
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4
solr/CHANGES.txt
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@ -196,6 +196,10 @@ Bug Fixes
* SOLR-6136: ConcurrentUpdateSolrServer includes a Spin Lock (Brandon Chapman, Timothy Potter)
* SOLR-6257: More than two "!"-s in a doc ID throws an
ArrayIndexOutOfBoundsException when using the composite id router.
(Steve Rowe)
Optimizations
---------------------

49
solr/core/src/test/org/apache/solr/cloud/TestHashPartitioner.java
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@ -23,6 +23,7 @@ import java.util.HashSet;
import java.util.List;
import java.util.Map;
import org.apache.lucene.util.TestUtil;
import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.common.cloud.CompositeIdRouter;
import org.apache.solr.common.cloud.DocCollection;
@ -197,6 +198,54 @@ public class TestHashPartitioner extends SolrTestCaseJ4 {
doQuery(coll, "d/1!", "shard3,shard4"); // top bit of hash(b)==0, so shard3 and shard4
}
/** Make sure CompositeIdRouter doesn't throw exceptions for non-conforming IDs */
public void testNonConformingCompositeIds() throws Exception {
DocRouter router = DocRouter.getDocRouter(CompositeIdRouter.NAME);
DocCollection coll = createCollection(4, router);
String[] ids = { "A!B!C!D", "!!!!!!", "A!!!!B", "A!!B!!C", "A/59!B", "A/8/!B/19/",
"A!B/-5", "!/130!", "!!A/1000", "A//8!B///10!C////" };
for (int i = 0 ; i < ids.length ; ++i) {
try {
Slice targetSlice = coll.getRouter().getTargetSlice(ids[i], null, null, coll);
assertNotNull(targetSlice);
} catch (Exception e) {
throw new Exception("Exception routing id '" + ids[i] + "'", e);
}
}
}
/** Make sure CompositeIdRouter can route random IDs without throwing exceptions */
public void testRandomCompositeIds() throws Exception {
DocRouter router = DocRouter.getDocRouter(CompositeIdRouter.NAME);
DocCollection coll = createCollection(TestUtil.nextInt(random(), 1, 10), router);
StringBuilder idBuilder = new StringBuilder();
for (int i = 0 ; i < 10000 ; ++i) {
idBuilder.setLength(0);
int numParts = TestUtil.nextInt(random(), 1, 30);
for (int part = 0; part < numParts; ++part) {
switch (random().nextInt(5)) {
case 0: idBuilder.append('!'); break;
case 1: idBuilder.append('/'); break;
case 2: idBuilder.append(TestUtil.nextInt(random(),-100, 1000)); break;
default: {
int length = TestUtil.nextInt(random(), 1, 10);
char[] str = new char[length];
TestUtil.randomFixedLengthUnicodeString(random(), str, 0, length);
idBuilder.append(str);
break;
}
}
}
String id = idBuilder.toString();
try {
Slice targetSlice = router.getTargetSlice(id, null, null, coll);
assertNotNull(targetSlice);
} catch (Exception e) {
throw new Exception("Exception routing id '" + id + "'", e);
}
}
}
/***
public void testPrintHashCodes() throws Exception {
// from negative to positive, the upper bits of the hash ranges should be

32
solr/solrj/src/java/org/apache/solr/common/cloud/CompositeIdRouter.java
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@ -187,10 +187,36 @@ public class CompositeIdRouter extends HashBasedRouter {
boolean triLevel;
int pieces;
public KeyParser(String key) {
String[] parts = key.split(SEPARATOR);
public KeyParser(final String key) {
this.key = key;
pieces = parts.length;
List<String> partsList = new ArrayList<>(3);
int firstSeparatorPos = key.indexOf(SEPARATOR);
if (-1 == firstSeparatorPos) {
partsList.add(key);
} else {
partsList.add(key.substring(0, firstSeparatorPos));
int lastPos = key.length() - 1;
// Don't make any more parts if the first separator is the last char
if (firstSeparatorPos < lastPos) {
int secondSeparatorPos = key.indexOf(SEPARATOR, firstSeparatorPos + 1);
if (-1 == secondSeparatorPos) {
partsList.add(key.substring(firstSeparatorPos + 1));
} else if (secondSeparatorPos == lastPos) {
// Don't make any more parts if the key has exactly two separators and
// they're the last two chars - back-compatibility with the behavior of
// String.split() - see SOLR-6257.
if (firstSeparatorPos < secondSeparatorPos - 1) {
partsList.add(key.substring(firstSeparatorPos + 1, secondSeparatorPos));
}
} else { // The second separator is not the last char
partsList.add(key.substring(firstSeparatorPos + 1, secondSeparatorPos));
partsList.add(key.substring(secondSeparatorPos + 1));
}
// Ignore any further separators beyond the first two
}
}
pieces = partsList.size();
String[] parts = partsList.toArray(new String[pieces]);
numBits = new int[2];
if (key.endsWith("!") && pieces < 3)
pieces++;