Library is already loaded in another ClassLoader启动cognos出错！

请问出现下面的错误，是什么原因引起的？
[7/25/12 11:29:03:002 GMT+08:00] 00000028 servlet       E com.ibm.ws.webcontainer.servlet.ServletWrapper init SRVE0100E: Uncaught init() exception created by servlet cfgss in application Cognos: java.lang.UnsatisfiedLinkError: JCAM_Crypto_JNI (Library is already loaded in another ClassLoader)
at java.lang.ClassLoader.loadLibraryWithPath(ClassLoader.java:998)
at java.lang.ClassLoader.loadLibraryWithClassLoader(ClassLoader.java:962)
at java.lang.System.loadLibrary(System.java:465)
at com.cognos.accman.jcam.crypto.jni.JNISystemProperties.(JNISystemProperties.java:27)
at java.lang.J9VMInternals.initializeImpl(Native Method)
at java.lang.J9VMInternals.initialize(J9VMInternals.java:200)
at com.cognos.accman.jcam.crypto.SystemProtectionSession.(SystemProtectionSession.java:53)
at com.cognos.accman.jcam.crypto.misc.Configuration.(Configuration.java:68)
at com.cognos.accman.jcam.crypto.misc.Configuration.getInstanceWithDefaultConfig(Configuration.java:115)
at com.cognos.accman.jcam.crypto.CAMFactory.initialize(CAMFactory.java:150)
at com.cognos.indications.LogIPFControl.initCAMCrypto(LogIPFControl.java:529)
at com.cognos.indications.LogIPFControl.initialize(LogIPFControl.java:223)
at com.cognos.indications.LogIPFControl.start(LogIPFControl.java:203)
at com.cognos.p2plb.config.ConfigStoreServlet.init(ConfigStoreServlet.java:118)
at com.cognos.pogo.isolation.ServletWrapper.initServlet(ServletWrapper.java:121)
at com.cognos.pogo.isolation.ServletWrapper.init(ServletWrapper.java:101)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.init(ServletWrapper.java:333)
at com.ibm.ws.webcontainer.servlet.ServletWrapperImpl.init(ServletWrapperImpl.java:165)
at com.ibm.ws.webcontainer.servlet.ServletWrapper.initialize(ServletWrapper.java:1682)
at com.ibm.wsspi.webcontainer.extension.WebExtensionProcessor.createServletWrapper(WebExtensionProcessor.java:98)
at com.ibm.ws.webcontainer.webapp.WebApp.initializeTargetMappings(WebApp.java:668)
at com.ibm.ws.webcontainer.webapp.WebApp.commonInitializationFinally(WebApp.java:419)
at com.ibm.ws.webcontainer.webapp.WebAppImpl.initialize(WebAppImpl.java:299)
at com.ibm.ws.webcontainer.webapp.WebGroupImpl.addWebApplication(WebGroupImpl.java:100)
at com.ibm.ws.webcontainer.VirtualHostImpl.addWebApplication(VirtualHostImpl.java:166)
at com.ibm.ws.webcontainer.WSWebContainer.addWebApp(WSWebContainer.java:731)
at com.ibm.ws.webcontainer.WSWebContainer.addWebApplication(WSWebContainer.java:616)
at com.ibm.ws.webcontainer.component.WebContainerImpl.install(WebContainerImpl.java:376)
at com.ibm.ws.webcontainer.component.WebContainerImpl.start(WebContainerImpl.java:668)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:1144)
at com.ibm.ws.runtime.component.DeployedApplicationImpl.fireDeployedObjectStart(DeployedApplicationImpl.java:1313)
at com.ibm.ws.runtime.component.DeployedModuleImpl.start(DeployedModuleImpl.java:619)
at com.ibm.ws.runtime.component.DeployedApplicationImpl.start(DeployedApplicationImpl.java:938)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:723)
at com.ibm.ws.runtime.component.ApplicationMgrImpl$1.run(ApplicationMgrImpl.java:1288)
at com.ibm.ws.security.auth.ContextManagerImpl.runAs(ContextManagerImpl.java:4565)
at com.ibm.ws.security.auth.ContextManagerImpl.runAsSystem(ContextManagerImpl.java:4653)
at com.ibm.ws.security.core.SecurityContext.runAsSystem(SecurityContext.java:255)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplicationDynamically(ApplicationMgrImpl.java:1293)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.start(ApplicationMgrImpl.java:2065)
at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:437)
at com.ibm.ws.runtime.component.CompositionUnitImpl.start(CompositionUnitImpl.java:122)
at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.start(CompositionUnitMgrImpl.java:380)
at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:651)
at com.ibm.ws.runtime.component.CompositionUnitMgrImpl.startCompositionUnit(CompositionUnitMgrImpl.java:613)
at com.ibm.ws.runtime.component.ApplicationMgrImpl.startApplication(ApplicationMgrImpl.java:1199)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:599)
at sun.reflect.misc.Trampoline.invoke(MethodUtil.java:36)
at sun.reflect.GeneratedMethodAccessor112.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
at java.lang.reflect.Method.invoke(Method.java:599)
at sun.reflect.misc.MethodUtil.invoke(MethodUtil.java:243)
at javax.management.modelmbean.RequiredModelMBean.invokeMethod(RequiredModelMBean.java:1085)
at javax.management.modelmbean.RequiredModelMBean.invoke(RequiredModelMBean.java:966)
at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:848)
at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:773)
at com.ibm.ws.management.AdminServiceImpl$1.run(AdminServiceImpl.java:1318)
at com.ibm.ws.security.util.AccessController.doPrivileged(AccessController.java:118)
at com.ibm.ws.management.AdminServiceImpl.invoke(AdminServiceImpl.java:1211)
at com.ibm.ws.management.connector.AdminServiceDelegator.invoke(AdminServiceDelegator.java:181)
at com.ibm.ws.management.connector.ipc.CallRouter.route(CallRouter.java:242)
at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink.doWork(IPCConnectorInboundLink.java:353)
at com.ibm.ws.management.connector.ipc.IPCConnectorInboundLink$IPCConnectorReadCallback.complete(IPCConnectorInboundLink.java:595)
at com.ibm.ws.ssl.channel.impl.SSLReadServiceContext$SSLReadCompletedCallback.complete(SSLReadServiceContext.java:1772)
at com.ibm.ws.tcp.channel.impl.AioReadCompletionListener.futureCompleted(AioReadCompletionListener.java:165)
at com.ibm.io.async.AbstractAsyncFuture.invokeCallback(AbstractAsyncFuture.java:217)
at com.ibm.io.async.AsyncChannelFuture.fireCompletionActions(AsyncChannelFuture.java:161)
at com.ibm.io.async.AsyncFuture.completed(AsyncFuture.java:138)
at com.ibm.io.async.ResultHandler.complete(ResultHandler.java:204)
at com.ibm.io.async.ResultHandler.runEventProcessingLoop(ResultHandler.java:775)
at com.ibm.io.async.ResultHandler$2.run(ResultHandler.java:905)
at com.ibm.ws.util.ThreadPool$Worker.run(ThreadPool.java:1550)