Throw ConcurrentModificationException if the ownership of a RedisLock/JdbcLock is expired.

Author: EddieChoCho

spring-integration-jdbc/src/main/java/org/springframework/integration/jdbc/lock/JdbcLockRegistry.java

@@ -17,6 +17,7 @@
 package org.springframework.integration.jdbc.lock;
 
 import java.time.Duration;
+import java.util.ConcurrentModificationException;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.Map.Entry;
@@ -349,15 +350,15 @@ public void unlock() {
 							return;
 						}
 						else {
-							throw new IllegalStateException();
+							throw new ConcurrentModificationException();
 							// the lock is no longer owned by current process, the exception should be handle and rollback the execution result
 						}
 					}
 					catch (TransientDataAccessException | TransactionTimedOutException | TransactionSystemException e) {
 						// try again
 					}
-					catch (IllegalStateException e) {
-						throw new IllegalStateException("Lock was released in the store due to expiration. " +
+					catch (ConcurrentModificationException e) {
+						throw new ConcurrentModificationException("Lock was released in the store due to expiration. " +
 								"The integrity of data protected by this lock may have been compromised.");
 					}
 					catch (Exception e) {

spring-integration-jdbc/src/test/java/org/springframework/integration/jdbc/lock/JdbcLockRegistryDifferentClientTests.java

@@ -17,6 +17,7 @@
 package org.springframework.integration.jdbc.lock;
 
 import java.util.ArrayList;
+import java.util.ConcurrentModificationException;
 import java.util.List;
 import java.util.concurrent.BlockingQueue;
 import java.util.concurrent.Callable;
@@ -315,7 +316,7 @@ public void testOutOfDateLockTaken() throws Exception {
 				});
 		assertThat(latch.await(10, TimeUnit.SECONDS)).isTrue();
 		data.add(2);
-		assertThatThrownBy(lock1::unlock).isInstanceOf(IllegalStateException.class);
+		assertThatThrownBy(lock1::unlock).isInstanceOf(ConcurrentModificationException.class);
 		for (int i = 0; i < 2; i++) {
 			Integer integer = data.poll(10, TimeUnit.SECONDS);
 			assertThat(integer).isNotNull();

spring-integration-jdbc/src/test/java/org/springframework/integration/jdbc/lock/JdbcLockRegistryTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.integration.jdbc.lock;
 
+import java.util.ConcurrentModificationException;
 import java.util.Map;
 import java.util.Queue;
 import java.util.concurrent.CountDownLatch;
@@ -501,7 +502,7 @@ public void testTryLockWithCustomTtl() throws Exception {
 	}
 
 	@Test
-	public void testUnlock_lockStatusIsExpired_lockHasBeenAcquiredByAnotherProcess_DataAccessResourceFailureExceptionWillBeThrown() throws Exception {
+	public void testUnlock_lockStatusIsExpired_lockHasBeenAcquiredByAnotherProcess_ConcurrentModificationExceptionWillBeThrown() throws Exception {
 		long ttl = 100;
 		DefaultLockRepository client1 = new DefaultLockRepository(dataSource);
 		client1.setApplicationContext(this.context);
@@ -521,14 +522,14 @@ public void testUnlock_lockStatusIsExpired_lockHasBeenAcquiredByAnotherProcess_D
 			assertThat(lock2.tryLock()).isTrue();
 		}
 		finally {
-			assertThatExceptionOfType(IllegalStateException.class)
+			assertThatExceptionOfType(ConcurrentModificationException.class)
 					.isThrownBy(() -> lock1.unlock());
 			lock2.unlock();
 		}
 	}
 
 	@Test
-	public void testUnlock_lockStatusIsExpired_lockDataHasBeenDeleted_IllegalStateExceptionWillBeThrown() throws Exception {
+	public void testUnlock_lockStatusIsExpired_lockDataHasBeenDeleted_ConcurrentModificationExceptionWillBeThrown() throws Exception {
 		JdbcLockRegistry registry = new JdbcLockRegistry(client, 100);
 		Lock lock = registry.obtain("foo");
 		try {
@@ -537,7 +538,7 @@ public void testUnlock_lockStatusIsExpired_lockDataHasBeenDeleted_IllegalStateEx
 			client.deleteExpired();
 		}
 		finally {
-			assertThatExceptionOfType(IllegalStateException.class)
+			assertThatExceptionOfType(ConcurrentModificationException.class)
 					.isThrownBy(() -> lock.unlock());
 		}
 	}

spring-integration-redis/src/main/java/org/springframework/integration/redis/util/RedisLockRegistry.java

@@ -18,6 +18,7 @@
 
 import java.text.SimpleDateFormat;
 import java.util.Collections;
+import java.util.ConcurrentModificationException;
 import java.util.Date;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -514,12 +515,12 @@ private void removeLockKey() {
 					return;
 				}
 				else if (Boolean.FALSE.equals(unlinkResult)) {
-					throw new IllegalStateException("Lock was released in the store due to expiration. " +
+					throw new ConcurrentModificationException("Lock was released in the store due to expiration. " +
 							"The integrity of data protected by this lock may have been compromised.");
 				}
 			}
 			if (!removeLockKeyInnerDelete()) {
-				throw new IllegalStateException("Lock was released in the store due to expiration. " +
+				throw new ConcurrentModificationException("Lock was released in the store due to expiration. " +
 						"The integrity of data protected by this lock may have been compromised.");
 			}
 		}

spring-integration-redis/src/test/java/org/springframework/integration/redis/util/RedisLockRegistryTests.java

@@ -16,6 +16,7 @@
 
 package org.springframework.integration.redis.util;
 
+import java.util.ConcurrentModificationException;
 import java.util.List;
 import java.util.Map;
 import java.util.Queue;
@@ -53,7 +54,6 @@
 import org.springframework.integration.test.util.TestUtils;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.assertj.core.api.Assertions.assertThatIllegalStateException;
 import static org.assertj.core.api.Assertions.assertThatNoException;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.mockito.Mockito.mock;
@@ -162,7 +162,7 @@ void testTryLockWithCustomTtl(RedisLockType testRedisLockType) throws Interrupte
 
 	@ParameterizedTest
 	@EnumSource(RedisLockType.class)
-	void testUnlock_lockStatusIsExpired_IllegalStateExceptionWillBeThrown(RedisLockType testRedisLockType) throws InterruptedException {
+	void testUnlock_lockStatusIsExpired_ConcurrentModificationExceptionWillBeThrown(RedisLockType testRedisLockType) throws InterruptedException {
 		RedisLockRegistry registry = new RedisLockRegistry(redisConnectionFactory, this.registryKey, 100);
 		registry.setRedisLockType(testRedisLockType);
 		Lock lock = registry.obtain("foo");
@@ -171,7 +171,7 @@ void testUnlock_lockStatusIsExpired_IllegalStateExceptionWillBeThrown(RedisLockT
 			Thread.sleep(200);
 		}
 		finally {
-			assertThatThrownBy(lock::unlock).isInstanceOf(IllegalStateException.class);
+			assertThatThrownBy(lock::unlock).isInstanceOf(ConcurrentModificationException.class);
 		}
 		registry.destroy();
 	}
@@ -459,9 +459,9 @@ void testExceptionOnExpire(RedisLockType testRedisLockType) throws Exception {
 		Lock lock1 = registry.obtain("foo");
 		assertThat(lock1.tryLock()).isTrue();
 		waitForExpire("foo");
-		assertThatIllegalStateException()
-				.isThrownBy(lock1::unlock)
-				.withMessageContaining("Lock was released in the store due to expiration.");
+		assertThatThrownBy(lock1::unlock)
+				.isInstanceOf(ConcurrentModificationException.class)
+				.hasMessageContaining("Lock was released in the store due to expiration.");
 		registry.destroy();
 	}