我最近下载了 WSO2 MB 并尝试启动它，但它失败并出现以下错误。
[2015-09-14 15:30:48,594] INFO {org.wso2.carbon.ui.internal.CarbonUIServiceComponent} - Mgt Console URL : https://127.0.0.1:9443/carbon/
[2015-09-14 15:30:48,601] WARN {me.prettyprint.cassandra.connection.CassandraHostRetryService} - Downed localhost(127.0.0.1):9160 host sti
ll appears to be down: Unable to open transport to localhost(127.0.0.1):9160 , java.net.ConnectException: Connection refused: connect
[2015-09-14 15:30:48,676] ERROR {org.wso2.carbon.registry.servlet.internal.RegistryAtomServiceComponent} - ******* Failed to activate Regis
try APP bundle *******
java.lang.OutOfMemoryError: (class: org/apache/abdera/i18n/text/data/UnicodeCharacterDatabase, method: getDecompIdx signature: ()[I)
at org.apache.abdera.i18n.iri.IRI.preinit(IRI.java:659)
at org.apache.abdera.Abdera.<init>(Abdera.java:90)
at org.apache.abdera.Abdera.<init>(Abdera.java:81)
at org.apache.abdera.protocol.server.ServiceManager.getAbdera(ServiceManager.java:57)
at org.apache.abdera.protocol.server.ServiceManager.newProvider(ServiceManager.java:64)
at org.apache.abdera.protocol.server.servlet.AbderaServlet.createProvider(AbderaServlet.java:78)
at org.apache.abdera.protocol.server.servlet.AbderaServlet.init(AbderaServlet.java:61)
at javax.servlet.GenericServlet.init(GenericServlet.java:244)
at org.eclipse.equinox.http.servlet.internal.ServletRegistration.init(ServletRegistration.java:49)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.registerServlet(ProxyServlet.java:179)
at org.eclipse.equinox.http.servlet.internal.HttpServiceImpl.registerServlet(HttpServiceImpl.java:66)
at org.wso2.carbon.registry.servlet.internal.RegistryAtomServiceComponent.registerServlet(RegistryAtomServiceComponent.java:86)
at org.wso2.carbon.registry.servlet.internal.RegistryAtomServiceComponent.activate(RegistryAtomServiceComponent.java:56)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.eclipse.equinox.internal.ds.model.ServiceComponent.activate(ServiceComponent.java:260)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.activate(ServiceComponentProp.java:146)
at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.build(ServiceComponentProp.java:347)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponent(InstanceProcess.java:620)
at org.eclipse.equinox.internal.ds.InstanceProcess.buildComponents(InstanceProcess.java:197)
at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:343)
at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.register(ServiceRegistrationImpl.java:130)
at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.registerService(ServiceRegistry.java:214)
at org.eclipse.osgi.framework.internal.core.BundleContextImpl.registerService(BundleContextImpl.java:433)
at org.eclipse.equinox.http.servlet.internal.Activator.registerHttpService(Activator.java:81)
at org.eclipse.equinox.http.servlet.internal.Activator.addProxyServlet(Activator.java:60)
at org.eclipse.equinox.http.servlet.internal.ProxyServlet.init(ProxyServlet.java:40)
at org.wso2.carbon.tomcat.ext.servlet.DelegationServlet.init(DelegationServlet.java:38)
at org.apache.catalina.core.StandardWrapper.initServlet(StandardWrapper.java:1267)
at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1186)
at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1081)
at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:5027)
at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5314)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559)
at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
at java.util.concurrent.FutureTask.run(FutureTask.java:166)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:724)
[2015-09-14 15:30:48,686] INFO {org.wso2.andes.server.registry.ApplicationRegistry} - Shutting down ApplicationRegistry(org.wso2.andes.ser
ver.registry.ConfigurationFileApplicationRegistry@78606d)
[2015-09-14 15:30:48,689] INFO {org.wso2.andes.server.registry.ApplicationRegistry} - Shutting down ApplicationRegistry:org.wso2.andes.ser
ver.registry.ConfigurationFileApplicationRegistry@78606d
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "Thread-9"
[2015-09-14 15:30:48,705] INFO {org.wso2.andes.server.security.auth.manager.PrincipalDatabaseAuthenticationManager} - Unregistering UserMa
nagementMBean
[2015-09-14 15:30:56,287] INFO {me.prettyprint.cassandra.connection.CassandraHostRetryService} - Not checking that localhost(127.0.0.1):91
60 is a member of the ring since there are no live hosts
Exception: java.lang.OutOfMemoryError thrown from the UncaughtExceptionHandler in thread "CacheExpirySchedulerThread-97"
我已将内存参数修改为 512MB（实际上我也尝试了不同的内存配置）但没有运气。我可以在我的机器上启动其他 wso2 产品而没有任何问题。请建议。
更多日志如下。
[2015-09-14 15:45:21,668] WARN {me.prettyprint.cassandra.connection.CassandraHostRetryService} - Downed localhost(127.0.0.1):9160 host sti
ll appears to be down: Unable to open transport to localhost(127.0.0.1):9160 , java.net.ConnectException: Connection refused: connect
[2015-09-14 15:45:21,669] INFO {me.prettyprint.cassandra.connection.CassandraHostRetryService} - Downed Host retry status false with host:
localhost(127.0.0.1):9160
