Axis Weblogic error

i am getting an exception while using axis with weblogic. this is not an application error and if i recycle the weblogic server i am not getting this error.i am unable to track this error on everyday basis but it happens once in 2 weeks. i am using solaris along with bea weblogic 8.1 sp3
with an axis jar

will anyone help me getting this resolve. i am listing the error below

org.xml.sax.SAXException: No deserializer defined for array type

{http://cig.anindya.com/gws/model/}

AccountBalanceInfo
at org.apache.axis.AxisFault.makeFault(AxisFault.java:129)
at org.apache.axis.client.Call.invoke(Call.java:2275)
at org.apache.axis.client.Call.invoke(Call.java:2171)
at org.apache.axis.client.Call.invoke(Call.java:1691)
at com.anindya.cig.gws.ws.wsdl.GatewayServiceSoapBindingStub.invoke(GatewayServiceSoapBindingStub.java:1616)
at com.eanindya.common.mf.cbs.CBSGatewayServiceDelegate.getAccountBalances(CBSGatewayServiceDelegate.java:177)
at com.eanindya.common.mf.cbs.client.GetAccountBalancesClient.execute(GetAccountBalancesClient.java:171)
at com.eanindya.common.mf.cbs.client.CBSWebServiceClient.invoke(CBSWebServiceClient.java:76)
at com.eanindya.common.mf.cbs.CBSServicesImpl.getCustomerAccountsDetail(CBSServicesImpl.java:343)
at com.eanindya.common.mf.util.AccountsDetailDelegate.getCustomerAccountsDetail(AccountsDetailDelegate.java:178)
at com.eanindya.common.mf.util.CoreServicesDelegate.getCustomerAccountsDetail(CoreServicesDelegate.java:449)
at papa.NCSLogin.setAccountBalance(Unknown Source)
at papa.NCSLogin.getMyanindyaRefresh(Unknown Source)
at ncsActivity.COUserProcessImpl.getMyanindyaRefresh(COUserProcessImpl.java:2845)
at beans.AccountSummary.RefreshBalance(Unknown Source)
at com.eanindya.web.col.backing.MyAccountsBookBacking.getAccounts(MyAccountsBookBacking.java:537)
at com.eanindya.web.col.backing.MyAccountsBookBacking.preRender(MyAccountsBookBacking.java:83)
at com.bea.netuix.servlets.controls.Backable$Impl.preRender(Backable.java:167)
at com.bea.netuix.servlets.controls.AdministeredBackableControl.preRender(AdministeredBackableControl.java:79)
at com.bea.netuix.servlets.controls.window.Window.preRender(Window.java:295)
at com.bea.netuix.servlets.controls.page.Page.preRender(Page.java:182)
at com.bea.netuix.nf.ControlLifecycle$5.visit(ControlLifecycle.java:405) at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:618)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walkRecursivePreRender(ControlTreeWalker.java:629)
at com.bea.netuix.nf.ControlTreeWalker.walk(ControlTreeWalker.java:137)
at com.bea.netuix.nf.Lifecycle.runOutbound(Lifecycle.java:220)
at com.bea.netuix.nf.Lifecycle.run(Lifecycle.java:158)
at com.bea.netuix.servlets.manager.UIServlet.runLifecycle(UIServlet.java:360)
at com.bea.netuix.servlets.manager.UIServlet.processControlTree(UIServlet.java:226)
at com.bea.netuix.servlets.manager.PortalServlet.service(PortalServlet.java:759)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
at weblogic.servlet.internal.ServletStubImpl$ServletInvocationAction.run(ServletStubImpl.java:996)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:419)
at weblogic.servlet.internal.ServletStubImpl.invokeServlet(ServletStubImpl.java:315)
at weblogic.servlet.internal.WebAppServletContext$ServletInvocationAction.run(WebAppServletContext.java:6456)
at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321)
at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:118)
at weblogic.servlet.internal.WebAppServletContext.invokeServlet(WebAppServletContext.java:3661)
at weblogic.servlet.internal.ServletRequestImpl.execute(ServletRequestImpl.java:2630)
at weblogic.kernel.ExecuteThread.execute(ExecuteThread.java:219)
at weblogic.kernel.ExecuteThread.run(ExecuteThread.java:178)
Caused by: org.xml.sax.SAXException: No deserializer defined for array type

{http://cig.anindya.com/gws/model/}

AccountBalanceInfo
at org.apache.axis.encoding.ser.ArrayDeserializer.onStartElement(ArrayDeserializer.java:304)
at org.apache.axis.encoding.DeserializerImpl.startElement(DeserializerImpl.java:428)
at org.apache.axis.encoding.DeserializationContextImpl.startElement(DeserializationContextImpl.java:976)
at org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:198)
at org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:722)
at org.apache.axis.encoding.DeserializerImpl.startElement(DeserializerImpl.java:404)
at org.apache.axis.encoding.ser.BeanDeserializer.startElement(BeanDeserializer.java:165)
at org.apache.axis.encoding.DeserializationContextImpl.startElement(DeserializationContextImpl.java:976)
at org.apache.axis.message.SAX2EventRecorder.replay(SAX2EventRecorder.java:198)
at org.apache.axis.message.MessageElement.publishToHandler(MessageElement.java:722)
at org.apache.axis.message.RPCElement.deserialize(RPCElement.java:233)
at org.apache.axis.message.RPCElement.getParams(RPCElement.java:347)
at org.apache.axis.client.Call.invoke(Call.java:2272)
... 48 more
2005-08-01 15:37:01,875 FATAL com.eanindya.common.mf.cbs.CBSGatewayServiceDelegate ExecuteThread: '25' for queue: 'default' - [***Exception***]/Error Accessing WebService
AxisFault
faultCode:

{http://schemas.xmlsoap.org/soap/envelope/}

Server.userException
faultSubcode:
faultString: org.xml.sax.SAXException: No deserializer defined for array type

{http://cig.anindya.com/gws/model/}

AccountBalanceInfo
faultActor:
faultNode:
faultDetail:

{http://xml.apache.org/axis/}

stackTrace: org.xml.sax.SAXException: No deserializer defined for array type