Ehcache

问题 How to suppress update check in ehcache 3.x? I can set: updateCheck=”false” in ehcache.xml to suppress update check when using ehcache 2.x. But the XML schema is changed since 3.x. No config for update check can be found in the official docs. 回答1: That's because there are no update check in ehcache 3 来源： https://stackoverflow.com/questions/46603084/how-to-suppress-update-check-in-ehcache-3

问题 I am having trouble getting hibernate 2nd level cache to work properly in my project. I have the following maven structure: myProject -core -ui -pom In my core module I have a session factory configured using hibernate properties. The ones of concern are: <prop key="hibernate.cache.region.factory_class">org.hibernate.cache.ehcache.EhCacheRegionFactory</prop> <prop key="hibernate.cache.use_second_level_cache">true</prop> <prop key="hibernate.cache.use_query_cache">true</prop> <prop key="net.sf

问题 I've got a method in UserService: @Cacheable(value="user", key="#p0") public User find(String name) { return userRepository.findOneByName(name); } And it caches. But then I try to get all keys from 'user' cache: CacheManager cacheManager = CacheManager.getInstance(); cacheManager.getCache("user").getKeys().forEach(o -> log.debug(o.toString())); Output: com.cache.domain.User#1 Instead, for example, 'John Doe'. 回答1: See the Javadoc of getKeys Returns a list of all elements in the cache, whether

问题 I am new to Hibernate and I have the following piece of code in my DAO implementation class: public Integer getEmployeeCode(String userName) { Session session = sessionfactory.getCurrentSession(); Query q = session.createQuery("select emp.employeeCode from Employee emp where emp.userName = :username"); q.setString("username",userName); Integer p = (Integer) q.setCacheRegion("UserNameToCode").setCacheable(true).uniqueResult(); I am using Hibernate with EhCache. I am wondering if I am using

问题 I am trying to implement hibernate second level cache in spring-boot 1.5.1 . Facing the below error Caused by: org.hibernate.cache.NoCacheRegionFactoryAvailableException: Second-level cache is used in the application, but property hibernate.cache.region.factory_class is not given; please either disable second level cache or set correct region factory using the hibernate.cache.region.factory_class setting and make sure the second level cache provider (hibernate-infinispan, e.g.) is available

问题 In my application the ehcache is configured as below. AppDataRegion.java //import statements. public class AppDataRegion{ //Variable for region identifier. private String appRegionId; // constructor sets the appRegionId; //obtained from the system current time. public AppDataRegion(){ appRegionId = String.valueOf(System.currentTimeMillis()); } //Variable for cachemanager // injected by spring DI from context xml Private CacheManager appCacheMngr; //necessary getter / setter methods for

问题 I am trying to use ehcache cache. For two different user my webservice creates different cache which is acting like session. Can i create single cache which will work same as context concept 回答1: Please look at Ehcache Cache server http://ehcache.org/documentation/user-guide/cache-server For sample Java code, see this link: http://ehcache.org/documentation/user-guide/cache-server#java-code-samples Hope it helps 回答2: When instantiating an EhCache CacheManager (which is the first step in

问题 We are working design of new project where we need to decided framework for caching. We are looking at ehcache and lucene for caching. We need decide whether to use lucene or ehcache for our caching requirement? What are advantage/disadvantage of using ehcache or lucene for caching? 回答1: Lucene is primarily a search engine with minimal caching for search results. It is incorrect to call it a caching framework Ehcache and OSCache are popular caching frameworks which you could use/evaluate. See

问题 I have a fairly simple cache configuration: <cache name="MyCache" maxElementsInMemory="200000" eternal="false" timeToIdleSeconds="43200" timeToLiveSeconds="43200" overflowToDisk="false" diskPersistent="false" memoryStoreEvictionPolicy="LRU" /> I create my cache in the following way: private Ehcache myCache = CacheManager.getInstance().getEhcache("MyCache"); I use my cache like this: public MyResponse processRequest(MyRequest request) { Element element = myCache.get(request); if (element !=

问题 According to the Ehcache documentation, starting with version 2.0, an Ehcache cache may participate in a JTA transaction based on the value of attribute transactionalMode on element <cache/> . If this is true, then why does Ehcache, when it encounters this attribute in my Ehcache configuration file, throw the following exception and complain that "Element does not allow attribute "transactionalMode".": Caused by: net.sf.ehcache.CacheException: Error configuring from zip:C:/Program Files