Igor Seliverstov created IGNITE-4860: ----------------------------------------
Summary: Empty leafs in BPlusTree Key: IGNITE-4860 URL: https://issues.apache.org/jira/browse/IGNITE-4860 Project: Ignite Issue Type: Bug Components: cache Reporter: Igor Seliverstov Assignee: Sergi Vladykin {{org.apache.ignite.internal.processors.database.BPlusTreeSelfTest#testMassiveRemove2_true}} The test fails approximately once out of 500 times with following error: {noformat} 10:34:30,394][INFO ][main][root] >>> Stopping test: BPlusTreeSelfTest#testMassiveRemove2_true in 49 ms <<< [10:34:30,392][ERROR][main][root] Test failed. java.lang.AssertionError: Empty leaf page. at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.fail(BPlusTree.java:1214) at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.validateDownPages(BPlusTree.java:1285) at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.validateDownPages(BPlusTree.java:1311) at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.validateTree(BPlusTree.java:1102) at org.apache.ignite.internal.processors.database.BPlusTreeSelfTest.doTestMassiveRemove(BPlusTreeSelfTest.java:853) at org.apache.ignite.internal.processors.database.BPlusTreeSelfTest.testMassiveRemove2_true(BPlusTreeSelfTest.java:774) at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at junit.framework.TestCase.runTest(TestCase.java:176) at org.apache.ignite.testframework.junits.GridAbstractTest.runTestInternal(GridAbstractTest.java:1811) at org.apache.ignite.testframework.junits.GridAbstractTest.access$000(GridAbstractTest.java:118) at org.apache.ignite.testframework.junits.GridAbstractTest$4.run(GridAbstractTest.java:1726) at java.lang.Thread.run(Thread.java:745) java.lang.AssertionError: Empty leaf page. at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.fail(BPlusTree.java:1214) at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.validateDownPages(BPlusTree.java:1285) at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.validateDownPages(BPlusTree.java:1311) at org.apache.ignite.internal.processors.cache.database.tree.BPlusTree.validateTree(BPlusTree.java:1102) at org.apache.ignite.internal.processors.database.BPlusTreeSelfTest.doTestMassiveRemove(BPlusTreeSelfTest.java:853) at org.apache.ignite.internal.processors.database.BPlusTreeSelfTest.testMassiveRemove2_true(BPlusTreeSelfTest.java:774) at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at junit.framework.TestCase.runTest(TestCase.java:176) at org.apache.ignite.testframework.junits.GridAbstractTest.runTestInternal(GridAbstractTest.java:1811) at org.apache.ignite.testframework.junits.GridAbstractTest.access$000(GridAbstractTest.java:118) at org.apache.ignite.testframework.junits.GridAbstractTest$4.run(GridAbstractTest.java:1726) at java.lang.Thread.run(Thread.java:745) {noformat} I've checked the test, seems a race happens while deleting pages, which prevents to merge empty leaf properly. -- This message was sent by Atlassian JIRA (v6.3.15#6346)