CacheErrorHandler implementation which simply logs exception.

Author: Adam Ostrožlík

spring-context/src/main/java/org/springframework/cache/interceptor/LoggingCacheErrorHandler.java

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+/*
+ * Copyright 2002-2021 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.springframework.cache.interceptor;
+
+import org.apache.commons.logging.Log;
+import org.apache.commons.logging.LogFactory;
+
+import org.springframework.cache.Cache;
+import org.springframework.lang.Nullable;
+
+/**
+ * A {@link CacheErrorHandler} implementation that simply logs exception.
+ *
+ * @author Adam Ostrožlík
+ * @since 5.3
+ */
+public class LoggingCacheErrorHandler implements CacheErrorHandler {
+
+	protected static final Log logger = LogFactory.getLog(LoggingCacheErrorHandler.class);
+	private final boolean includeStacktrace;
+
+	/**
+	 * Construct new {@link LoggingCacheErrorHandler} that does not log stacktraces.
+	 */
+	public LoggingCacheErrorHandler() {
+		this.includeStacktrace = false;
+	}
+
+	/**
+	 * Construct new {@link LoggingCacheErrorHandler} that may log stacktraces.
+	 * @param includeStacktrace whether to log or not log stacktraces.
+	 */
+	public LoggingCacheErrorHandler(boolean includeStacktrace) {
+		this.includeStacktrace = includeStacktrace;
+	}
+
+	@Override
+	public void handleCacheGetError(RuntimeException exception, Cache cache, Object key) {
+		logCacheError("Cache get error for key " + key + " and cache " + cache.getName(), exception);
+	}
+
+	@Override
+	public void handleCachePutError(RuntimeException exception, Cache cache, Object key, @Nullable Object value) {
+		logCacheError("Cache put error for key " + key + " and cache " + cache.getName(), exception);
+	}
+
+	@Override
+	public void handleCacheEvictError(RuntimeException exception, Cache cache, Object key) {
+		logCacheError("Cache evict error for key " + key + " and cache " + cache.getName(), exception);
+	}
+
+	@Override
+	public void handleCacheClearError(RuntimeException exception, Cache cache) {
+		logCacheError("Cache clear error for cache " + cache.getName(), exception);
+	}
+
+	public boolean isIncludeStacktrace() {
+		return this.includeStacktrace;
+	}
+
+	protected void logCacheError(String msg, RuntimeException ex) {
+		if (isIncludeStacktrace()) {
+			logger.warn(msg, ex);
+		}
+		else {
+			logger.warn(msg);
+		}
+	}
+}