我正在使用Jakarta 8、JCache API1.1.1和Hazelcast客户机4.2.1以及服务器(尝试了4.2.1和5.0-beta)。我为缓存管理器创建了提供程序:
@ApplicationScoped
public class MyCacheManager {
private CacheManager manager;
@Produces
public CacheManager getCacheManager() {
if (manager == null) {
var provider = Caching.getCachingProvider();
manager = provider.getCacheManager();
}
return manager;
}
public void close(@Disposes final CacheManager instance) {
var provider = instance.getCachingProvider();
provider.close();
}
}这样我就可以创建缓存:
@ApplicationScoped
public class SessionCacheBean extends CacheBean{
@Inject
private CacheManager manager;
@Override
protected Cache getCache() {
if (manager.getCache("session-cache") == null) {
var config = new MutableConfiguration<String, Object>();
config.setTypes(String.class, Object.class);
config.setStoreByValue(true);
config.setExpiryPolicyFactory(TouchedExpiryPolicy.factoryOf(
new Duration(TimeUnit.MINUTES, 30)));
return manager.createCache("session-cache", config);
} else {
return manager.getCache("session-cache");
}
}
}如果应用程序配置为群集成员,则此代码将正确工作。但是现在它被配置为一个客户机:
<?xml version="1.0" encoding="UTF-8"?>
<hazelcast-client xmlns="http://www.hazelcast.com/schema/client-config"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.hazelcast.com/schema/client-config
http://www.hazelcast.com/schema/client-config/hazelcast-client-config-5.0.xsd">
<cluster-name>mimedia-session</cluster-name>
<network>
<aws enabled="true">
<access-key>*****</access-key>
<secret-key>*****</secret-key>
<region>****</region>
<tag-key>****</tag-key>
<tag-value>****</tag-value>
<use-public-ip>true</use-public-ip>
</aws>
</network>
</hazelcast-client>服务器以命令sudo hz start -c /usr/share/hazelcast4/bin/hazelcast.xml -j /lib/cache-api-1.1.1.jar启动,具有相同的hazelcast.xml:
<hazelcast xmlns="http://www.hazelcast.com/schema/config"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://www.hazelcast.com/schema/config
http://www.hazelcast.com/schema/config/hazelcast-config-4.2.xsd">
<cluster-name>mimedia-session</cluster-name>
<network>
<port auto-increment="true" port-count="100">5701</port>
<join>
<auto-detection enabled="true"/>
<multicast enabled="false"/>
<aws enabled="true">
<tag-key>****</tag-key>
<tag-value>****</tag-value>
</aws>
</join>
</network>
<cache name="session-cache">
<key-type class-name="java.lang.String"/>
<value-type class-name="java.lang.Object"/>
<management-enabled>true</management-enabled>
<expiry-policy-factory>
<timed-expiry-policy-factory expiry-policy-type="TOUCHED"
duration-amount="30"
time-unit="MINUTES"/>
</expiry-policy-factory>
</cache>
</hazelcast>现在,应用程序返回if (manager.getCache("session-cache") == null)行的错误
"java.io.InvalidClassException: javax.cache.configuration.FactoryBuilder$SingletonFactory; local class incompatible: stream classdesc serialVersionUID = 201305101634, local class serialVersionUID = 201402"当我在服务器配置应用程序中删除<cache name="session-cache">时,在return manager.createCache("session-cache", config);行返回错误
"java.io.InvalidClassException: javax.cache.configuration.FactoryBuilder$SingletonFactory; local class incompatible: stream classdesc serialVersionUID = 201402, local class serialVersionUID = 201305101634"我需要在哪里修复类错配?
发布于 2021-08-02 04:19:39
我认为问题在于我正在使用TomEE。因为serialVersionUID = 201402位于geronimo-jcache_1.0_spec中,但我在项目中使用jsr107spec。一旦我找到了这个问题的解决方案,我将更新答案。
更新
解决办法:我为TomEE创建了'cache-server.war‘,它作为服务器工作
https://stackoverflow.com/questions/68585952
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