Hello Open Liberty experts,
As an R&D effort, I am trying to enable Liberty session persistence backed byRedis via JCache/Redisson. I observe the CLASSPATH seems to becorrectly configured via <library> and <httpSessionCache libraryRef> syntax,but the config file is not being passedto org.redisson.jcache.JCacheManager.createCache(). This method is an implementation of javax.cache.CacheManager.createCache()
Here is my server.xml:
<?xml version="1.0" encoding="UTF-8"?><server description="defaultServer"><!-- Enable features --><featureManager><feature>cdi-2.0</feature><feature>jaxb-2.2</feature><feature>jsf-2.3</feature><feature>jaxrs-2.1</feature><feature>ejbLite-3.2</feature><feature>sessionCache-1.0</feature> </featureManager><!-- Define http & https endpoints --><httpEndpoint id="defaultHttpEndpoint" host="*" httpPort="9080" httpsPort="9443" /><library id="jCacheVendorLib"><fileset dir="${shared.resource.dir}" includes="*"/><folder dir="${shared.resource.dir}" /></library><!-- trust JDK’s default truststore --><ssl id="defaultSSLConfig" trustDefaultCerts="true" /><httpSessionCache libraryRef="jCacheVendorLib" uri="file:${shared.resource.dir}/redisson-jcache.yaml" /><!-- Automatically expand WAR files and EAR files --><applicationManager autoExpand="true" /><!-- Define web application with its context root and location --><webApplication id="javaee-cafe" contextRoot="/" location="${server.config.dir}/apps/javaee-cafe.war"></webApplication></server>Regardless of what value I set asuri="file:${shared.resource.dir}/redisson-jcache.yaml" I still getthis exception at startup time for Liberty.
{"host": "javaee-app-simple-cluster-85b47b866c-h5mk4","ibm_datetime": "2021-05-05T02:49:04.369+0000","ibm_messageId": "SESN0307E","ibm_sequence": "1620182944369_0000000000017","ibm_serverName": "defaultServer","ibm_threadId": "0000002a","ibm_userDir": "/opt/ol/wlp/usr/","loglevel": "ERROR","message": "SESN0307E: An exception occurred when initializing the cache. The exception is: java.lang.IllegalStateException: Default configuration hasn't been specified! at org.redisson.jcache.JCacheManager.createCache(JCacheManager.java:118) at com.ibm.ws.session.store.cache.CacheHashMap.cacheInit(CacheHashMap.java:182) at com.ibm.ws.session.store.cache.CacheHashMap.lambda$new$0(CacheHashMap.java:134) at com.ibm.ws.session.store.cache.CacheHashMap$$Lambda$90/0000000000000000.run(Unknown Source) at java.security.AccessController.doPrivileged(AccessController.java:678) at com.ibm.ws.session.store.cache.CacheHashMap.<init>(CacheHashMap.java:133) at com.ibm.ws.session.store.cache.CacheStore.<init>(CacheStore.java:33) at com.ibm.ws.session.store.cache.CacheStoreService.createStore(CacheStoreService.java:316) at com.ibm.ws.session.SessionContext.createStore(SessionContext.java:337) at com.ibm.ws.session.SessionContext.createCoreSessionManager(SessionContext.java:254) at com.ibm.ws.session.SessionContext.<init>(SessionContext.java:157) at com.ibm.ws.webcontainer.session.impl.HttpSessionContextImpl.<init>(HttpSessionContextImpl.java:62) at com.ibm.ws.webcontainer31.session.impl.HttpSessionContext31Impl.<init>(HttpSessionContext31Impl.java:37) at com.ibm.ws.webcontainer31.session.impl.SessionContextRegistry31Impl.createSessionContextObject(SessionContextRegistry31Impl.java:40) at com.ibm.ws.webcontainer.session.impl.SessionContextRegistryImpl.createSessionContext(SessionContextRegistryImpl.java:83) at com.ibm.ws.webcontainer.session.impl.SessionContextRegistryImpl.getSessionContext(SessionContextRegistryImpl.java:304) at com.ibm.ws.webcontainer.WebContainer.getSessionContext(WebContainer.java:699) at com.ibm.ws.webcontainer.VirtualHost.getSessionContext(VirtualHost.java:188) at com.ibm.ws.webcontainer.webapp.WebGroup.getSessionContext(WebGroup.java:156) at com.ibm.ws.webcontainer.webapp.WebApp.createSessionContext(WebApp.java:1313) at com.ibm.ws.webcontainer.webapp.WebApp.commonInitializationStart(WebApp.java:1296) at com.ibm.ws.webcontainer.osgi.webapp.WebApp.commonInitializationStart(WebApp.java:254) at com.ibm.ws.webcontainer.webapp.WebApp.initialize(WebApp.java:1014) at com.ibm.ws.webcontainer.webapp.WebApp.initialize(WebApp.java:6683) at com.ibm.ws.webcontainer.osgi.DynamicVirtualHost.startWebApp(DynamicVirtualHost.java:470) at com.ibm.ws.webcontainer.osgi.DynamicVirtualHost.startWebApplication(DynamicVirtualHost.java:465) at com.ibm.ws.webcontainer.osgi.WebContainer.startWebApplication(WebContainer.java:1178) at com.ibm.ws.webcontainer.osgi.WebContainer.access$100(WebContainer.java:109) at com.ibm.ws.webcontainer.osgi.WebContainer$3.run(WebContainer.java:975) at com.ibm.ws.threading.internal.ExecutorServiceImpl$RunnableWrapper.run(ExecutorServiceImpl.java:239) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) at java.util.concurrent.FutureTask.run(FutureTask.java:266) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) at java.lang.Thread.run(Thread.java:823).","module": "com.ibm.ws.session.store.cache.CacheHashMap","type": "liberty_message"}I tried setting a completely bogus value foruri="file:${shared.resource.dir}/redisson-jcache.yaml" and I stillget the same result: IllegalStateException as shown above. What amI missing?
Thanks,
Ed