Hi Stephen.
Have you tried to add through Maven any of the Java Caches available? As per [1], seems DN declares a wrapper arround them, so you will need to add one implementation. Many are mentioned on the URL you included. HTH, Oscar > El 7 dic 2016, a las 12:47, Stephen Cameron <[email protected]> > escribió: > > Hi, > > I am interested to try Level 2 caching to see what performance benefits I > can gain. > > At the moment I cannot configure it. > > In the file persistor_datanucleus.properties I have these settings: > > # > # L2 cache > # off except if explicitly marked as cacheable > # http://www.datanucleus.org/products/datanucleus/jdo/cache.html > # > isis.persistor.datanucleus.impl.datanucleus.cache.level2.type=javax.cache > isis.persistor.datanucleus.impl.datanucleus.cache.level2.mode=UNSPECIFIED > isis.persistor.datanucleus.cache.level2.cacheName=myCache > > I then get the following errors on start-up. This missing class > "org.datanucleus.cache.JavaxCacheLevel2Cache" does seem to be on the > classpath, within datanucleus-core.4.1.7.jar > > 1) Error in custom provider, javax.jdo.JDOFatalUserException: Level 2 Cache > "javax.cache" is registered to use class > "org.datanucleus.cache.JavaxCacheLevel2Cache" yet this is not found. Please > check your CLASSPATH and plugin specification. > NestedThrowables: > java.lang.reflect.InvocationTargetException > at > org.apache.isis.core.runtime.runner.IsisInjectModule.provideIsisSessionFactory(IsisInjectModule.java:109) > at > org.apache.isis.core.runtime.runner.IsisInjectModule.provideIsisSessionFactory(IsisInjectModule.java:109) > while locating > org.apache.isis.core.runtime.system.session.IsisSessionFactory > for field at > org.apache.isis.viewer.wicket.viewer.IsisWicketApplication.isisSessionFactory(IsisWicketApplication.java:138) > while locating domainapp.webapp.DomainApplication > > 1 error > at > com.google.inject.internal.Errors.throwProvisionExceptionIfErrorsExist(Errors.java:482) > at > com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:67) > at > com.google.inject.internal.InjectorImpl.injectMembers(InjectorImpl.java:984) > at > org.apache.isis.viewer.wicket.viewer.IsisWicketApplication.init(IsisWicketApplication.java:279) > at domainapp.webapp.DomainApplication.init(DomainApplication.java:64) > at org.apache.wicket.Application.initApplication(Application.java:823) > at > org.apache.wicket.protocol.http.WicketFilter.init(WicketFilter.java:427) > ... 19 more > Caused by: javax.jdo.JDOFatalUserException: Level 2 Cache "javax.cache" is > registered to use class "org.datanucleus.cache.JavaxCacheLevel2Cache" yet > this is not found. Please check your CLASSPATH and plugin specification. > NestedThrowables: > java.lang.reflect.InvocationTargetException > at > org.datanucleus.api.jdo.NucleusJDOHelper.getJDOExceptionForNucleusException(NucleusJDOHelper.java:606) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:859) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.createPersistenceManagerFactory(JDOPersistenceManagerFactory.java:337) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.getPersistenceManagerFactory(JDOPersistenceManagerFactory.java:216) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:497) > at javax.jdo.JDOHelper$16.run(JDOHelper.java:1970) > at java.security.AccessController.doPrivileged(Native Method) > at javax.jdo.JDOHelper.invoke(JDOHelper.java:1965) > at > javax.jdo.JDOHelper.invokeGetPersistenceManagerFactoryOnImplementation(JDOHelper.java:1171) > at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:813) > at javax.jdo.JDOHelper.getPersistenceManagerFactory(JDOHelper.java:702) > at > org.apache.isis.core.runtime.system.persistence.DataNucleusApplicationComponents.isSchemaAwareStoreManager(DataNucleusApplicationComponents.java:117) > at > org.apache.isis.core.runtime.system.persistence.DataNucleusApplicationComponents.createPmfAndSchemaIfRequired(DataNucleusApplicationComponents.java:132) > at > org.apache.isis.core.runtime.system.persistence.DataNucleusApplicationComponents.initialize(DataNucleusApplicationComponents.java:108) > at > org.apache.isis.core.runtime.system.persistence.DataNucleusApplicationComponents.<init>(DataNucleusApplicationComponents.java:101) > at > org.apache.isis.core.runtime.system.persistence.PersistenceSessionFactory.createDataNucleusApplicationComponents(PersistenceSessionFactory.java:99) > at > org.apache.isis.core.runtime.system.persistence.PersistenceSessionFactory.init(PersistenceSessionFactory.java:76) > at > org.apache.isis.core.runtime.system.session.IsisSessionFactoryBuilder.buildSessionFactory(IsisSessionFactoryBuilder.java:202) > at > org.apache.isis.core.runtime.runner.IsisInjectModule.provideIsisSessionFactory(IsisInjectModule.java:118) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:497) > at > com.google.inject.internal.ProviderMethod$ReflectionProviderMethod.doProvision(ProviderMethod.java:299) > at > com.google.inject.internal.ProviderMethod.get(ProviderMethod.java:172) > at > com.google.inject.internal.ProviderInternalFactory.provision(ProviderInternalFactory.java:81) > at > com.google.inject.internal.InternalFactoryToInitializableAdapter.provision(InternalFactoryToInitializableAdapter.java:53) > at > com.google.inject.internal.ProviderInternalFactory.circularGet(ProviderInternalFactory.java:61) > at > com.google.inject.internal.InternalFactoryToInitializableAdapter.get(InternalFactoryToInitializableAdapter.java:45) > at > com.google.inject.internal.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:46) > at > com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1103) > at > com.google.inject.internal.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:40) > at > com.google.inject.internal.SingletonScope$1.get(SingletonScope.java:145) > at > com.google.inject.internal.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:41) > at > com.google.inject.internal.SingleFieldInjector.inject(SingleFieldInjector.java:54) > at > com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:132) > at > com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:93) > at > com.google.inject.internal.MembersInjectorImpl$1.call(MembersInjectorImpl.java:80) > at > com.google.inject.internal.InjectorImpl.callInContext(InjectorImpl.java:1092) > at > com.google.inject.internal.MembersInjectorImpl.injectAndNotify(MembersInjectorImpl.java:80) > at > com.google.inject.internal.MembersInjectorImpl.injectMembers(MembersInjectorImpl.java:62) > ... 24 more > Caused by: java.lang.reflect.InvocationTargetException > at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) > at > sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) > at > sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) > at java.lang.reflect.Constructor.newInstance(Constructor.java:422) > at > org.datanucleus.plugin.NonManagedPluginRegistry.createExecutableExtension(NonManagedPluginRegistry.java:606) > at > org.datanucleus.plugin.PluginManager.createExecutableExtension(PluginManager.java:301) > at > org.datanucleus.PersistenceNucleusContextImpl.getLevel2Cache(PersistenceNucleusContextImpl.java:1373) > at > org.datanucleus.PersistenceNucleusContextImpl.initialise(PersistenceNucleusContextImpl.java:449) > at > org.datanucleus.api.jdo.JDOPersistenceManagerFactory.freezeConfiguration(JDOPersistenceManagerFactory.java:846) > ... 66 more > Caused by: org.datanucleus.exceptions.NucleusException: Error creating cache > at > org.datanucleus.cache.JavaxCacheLevel2Cache.<init>(JavaxCacheLevel2Cache.java:98) > ... 75 more > Caused by: javax.cache.CacheException: No CachingProviders have been > configured > at > javax.cache.Caching$CachingProviderRegistry.getCachingProvider(Caching.java:381) > at > javax.cache.Caching$CachingProviderRegistry.getCachingProvider(Caching.java:351) > at javax.cache.Caching.getCachingProvider(Caching.java:142) > at > org.datanucleus.cache.JavaxCacheLevel2Cache.<init>(JavaxCacheLevel2Cache.java:64) Óscar Bou Bou Socio - IT & GRC Management Services Director m: +34 620 267 520 s: <http://www.govertis.com/>www.govertis.com <http://www.govertis.com/> e: [email protected] <mailto:[email protected]> LinkedIn: https://www.linkedin.com/in/oscarbou <https://www.linkedin.com/in/oscarbou> Twitter: @oscarbou <https://twitter.com/oscarbou> Este mensaje y los ficheros anexos son confidenciales. 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