OJB persistance help

I'm just recently supporting an OJB server and we're starting to  
receive errors such as

2006-12-24 08:40:02,254 [Thread-55] ERROR logic.SearchBean - Error  
retrieving Object from persistent storage.
org.apache.ojb.broker.PersistenceBrokerException: Error while  
communicating with OJB server
         at  
org.apache.ojb.broker.server.PersistenceBrokerClient.callServer 
(Unknown Source)
         at  
org.apache.ojb.broker.server.PersistenceBrokerClient.callServer 
(Unknown Source)
         at  
org.apache.ojb.broker.server.PersistenceBrokerClient.beginTransaction 
(Unknown Source)
         at com.ii.logic.SearchBean.getProperty(SearchBean.java:65)
         at sun.reflect.GeneratedMethodAccessor200.invoke(Unknown  
Source)
         at sun.reflect.DelegatingMethodAccessorImpl.invoke 
(DelegatingMethodAccessorImpl.java:25)
         at java.lang.reflect.Method.invoke(Method.java:324)
         at org.apache.taglibs.standard.lang.jstl.ArraySuffix.evaluate 
(ArraySuffix.java:317)
         at  
org.apache.taglibs.standard.lang.jstl.ComplexValue.evaluate 
(ComplexValue.java:146)
         at org.apache.taglibs.standard.lang.jstl.ELEvaluator.evaluate 
(ELEvaluator.java:242)
         at org.apache.taglibs.standard.lang.jstl.ELEvaluator.evaluate 
(ELEvaluator.java:201)
         at org.apache.taglibs.standard.lang.jstl.Evaluator.evaluate 
(Evaluator.java:138)
         at org.apache.taglibs.standard.lang.jstl.Evaluator.evaluate 
(Evaluator.java:165)
         at  
org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager.eval 
uate(ExpressionEvaluatorManager.java:112)
         at  
org.apache.taglibs.standard.tag.el.core.ExpressionUtil.evalNotNull 
(ExpressionUtil.java:85)
         at  
org.apache.taglibs.standard.tag.el.core.SetTag.evaluateExpressions 
(SetTag.java:147)
         at org.apache.taglibs.standard.tag.el.core.SetTag.doStartTag 
(SetTag.java:95)
         at org.apache.jsp.incDetailD_jsp._jspx_meth_c_set_0 
(incDetailD_jsp.java:145)
         at org.apache.jsp.incDetailD_jsp._jspx_meth_c_if_0 
(incDetailD_jsp.java:121)
         at org.apache.jsp.incDetailD_jsp._jspService 
(incDetailD_jsp.java:62)
         at org.apache.jasper.runtime.HttpJspBase.service(Unknown  
Source)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java)
         at org.apache.jasper.servlet.JspServletWrapper.service 
(Unknown Source)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile 
(Unknown Source)
         at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java)
         at org.apache.catalina.core.ApplicationDispatcher.invoke 
(Unknown Source)
         at org.apache.catalina.core.ApplicationDispatcher.doInclude 
(Unknown Source)
         at org.apache.catalina.core.ApplicationDispatcher.access$1 
(Unknown Source)
         at org.apache.catalina.core.ApplicationDispatcher 
$PrivilegedInclude.run(Unknown Source)
         at java.security.AccessController.doPrivileged(Native Method)
         at org.apache.catalina.core.ApplicationDispatcher.include 
(Unknown Source)
         at org.apache.jasper.runtime.JspRuntimeLibrary.include 
(Unknown Source)
         at  
org.apache.jsp.Italy_Accommodation_Coastal_Detail_jsp._jspService 
(Italy_Accommodation_Coastal_Detail_jsp.java:143)
         at org.apache.jasper.runtime.HttpJspBase.service(Unknown  
Source)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java)
         at org.apache.jasper.servlet.JspServletWrapper.service 
(Unknown Source)
         at org.apache.jasper.servlet.JspServlet.serviceJspFile 
(Unknown Source)
         at org.apache.jasper.servlet.JspServlet.service(Unknown Source)
         at javax.servlet.http.HttpServlet.service(HttpServlet.java)
         at  
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter 
(Unknown Source)
         at org.apache.catalina.core.ApplicationFilterChain.access$0 
(Unknown Source)
         at org.apache.catalina.core.ApplicationFilterChain$1.run 
(Unknown Source)
         at java.security.AccessController.doPrivileged(Native Method)
         at org.apache.catalina.core.ApplicationFilterChain.doFilter 
(Unknown Source)
         at org.apache.catalina.core.StandardWrapperValve.invoke 
(Unknown Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.core.StandardPipeline.invoke(Unknown  
Source)
         at org.apache.catalina.core.ContainerBase.invoke(Unknown  
Source)
         at org.apache.catalina.core.StandardContextValve.invoke 
(Unknown Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.authenticator.AuthenticatorBase.invoke 
(Unknown Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.core.StandardPipeline.invoke(Unknown  
Source)
         at org.apache.catalina.core.ContainerBase.invoke(Unknown  
Source)
         at org.apache.catalina.core.StandardContext.invoke(Unknown  
Source)
         at org.apache.catalina.core.StandardHostValve.invoke(Unknown  
Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.valves.ErrorDispatcherValve.invoke 
(Unknown Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.valves.ErrorReportValve.invoke 
(Unknown Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.core.StandardPipeline.invoke(Unknown  
Source)
         at org.apache.catalina.core.ContainerBase.invoke(Unknown  
Source)
         at org.apache.catalina.core.StandardEngineValve.invoke 
(Unknown Source)
         at org.apache.catalina.core.StandardPipeline 
$StandardPipelineValveContext.invokeNext(Unknown Source)
         at org.apache.catalina.core.StandardPipeline.invoke(Unknown  
Source)
         at org.apache.catalina.core.ContainerBase.invoke(Unknown  
Source)
         at org.apache.coyote.tomcat4.CoyoteAdapter.service 
(CoyoteAdapter.java:223)
         at org.apache.jk.server.JkCoyoteHandler.invoke 
(JkCoyoteHandler.java:261)
         at org.apache.jk.common.HandlerRequest.invoke 
(HandlerRequest.java:360)
         at org.apache.jk.common.ChannelUn.processConnection 
(ChannelUn.java:253)
         at org.apache.jk.common.AprConnection.runIt(ChannelUn.java:314)
         at org.apache.tomcat.util.threads.ThreadPool 
$ControlRunnable.run(ThreadPool.java:619)
         at java.lang.Thread.run(Thread.java:534)



This is greek to me, do you see anything glaringly obvious which is  
causing an issue?


Mike