HDFS-15792. Addendum: ClasscastException while loading FSImage. Contributed by Renukaprasad C.
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@ -23,18 +23,17 @@ import org.junit.Assert;
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import org.junit.Test;
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/**
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* Verify ReferenceCount map in concurrent scenarios
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*
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* Verify ReferenceCount map in concurrent scenarios.
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*/
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public class TestReferenceCountMap {
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//Add these number of references in loop
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public static final int LOOP_COUNTER = 10000;
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//Use 2 global features
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AclFeature aclFeature1 = new AclFeature(new int[]{1});
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AclFeature aclFeature2 = new AclFeature(new int[]{2});
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private AclFeature aclFeature1 = new AclFeature(new int[]{1});
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private AclFeature aclFeature2 = new AclFeature(new int[]{2});
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@Test
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public void testReferenceCountMap() throws Exception{
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public void testReferenceCountMap() throws Exception {
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ReferenceCountMap<AclFeature> countMap = new ReferenceCountMap<>();
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countMap.put(aclFeature1);
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countMap.put(aclFeature2);
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@ -63,7 +62,7 @@ public class TestReferenceCountMap {
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}
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@Test
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public void testRefCountMapConcurrently() throws Exception{
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public void testRefCountMapConcurrently() throws Exception {
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ReferenceCountMap<AclFeature> countMap = new ReferenceCountMap<>();
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PutThread putThread1 = new PutThread(countMap);
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@ -74,8 +73,10 @@ public class TestReferenceCountMap {
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putThread1.join();
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putThread2.join();
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Assert.assertEquals(2 * LOOP_COUNTER, countMap.getReferenceCount(aclFeature1));
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Assert.assertEquals(2 * LOOP_COUNTER, countMap.getReferenceCount(aclFeature2));
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Assert.assertEquals(2 * LOOP_COUNTER,
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countMap.getReferenceCount(aclFeature1));
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Assert.assertEquals(2 * LOOP_COUNTER,
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countMap.getReferenceCount(aclFeature2));
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removeThread1.start();
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removeThread1.join();
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@ -83,9 +84,9 @@ public class TestReferenceCountMap {
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Assert.assertEquals(LOOP_COUNTER, countMap.getReferenceCount(aclFeature2));
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}
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class PutThread extends Thread{
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ReferenceCountMap<AclFeature> referenceCountMap;
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public PutThread(ReferenceCountMap<AclFeature> referenceCountMap){
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class PutThread extends Thread {
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private ReferenceCountMap<AclFeature> referenceCountMap;
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PutThread(ReferenceCountMap<AclFeature> referenceCountMap) {
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this.referenceCountMap = referenceCountMap;
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}
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@Override
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@ -97,9 +98,9 @@ public class TestReferenceCountMap {
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}
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};
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class RemoveThread extends Thread{
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ReferenceCountMap<AclFeature> referenceCountMap;
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public RemoveThread(ReferenceCountMap<AclFeature> referenceCountMap){
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class RemoveThread extends Thread {
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private ReferenceCountMap<AclFeature> referenceCountMap;
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RemoveThread(ReferenceCountMap<AclFeature> referenceCountMap) {
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this.referenceCountMap = referenceCountMap;
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}
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@Override
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