Hi,

I�ve always get an Exception, when I try to change my scope in the struts-config.xml 
from "session" to "request". 
I think the problem is that I have a getter and setter for a vector in my formbean.
Everything works well with the scope "session". My formbean is also working if i 
completly remove the getter/setter vector out of my bean and my jsp�s.
But I�d like to use a bean in  a scope session with a getter/setter for vectors. 
Anybody has a clue about this problem. I read some things in the mailarchive, but that 
didn�t help me.

This is the error:
javax.servlet.ServletException: BeanUtils.populate
        at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:980)
        at 
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:779)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:246)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
        at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1040)
        at 
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1151)
        at java.lang.Thread.run(Thread.java:536)

root cause 

java.lang.ArrayIndexOutOfBoundsException: Array index out of range: 0
        at java.util.Vector.get(Vector.java:713)
        at 
org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtils.java:503)
        at 
org.apache.commons.beanutils.PropertyUtils.getIndexedProperty(PropertyUtils.java:410)
        at 
org.apache.commons.beanutils.PropertyUtils.getNestedProperty(PropertyUtils.java:749)
        at 
org.apache.commons.beanutils.PropertyUtils.getProperty(PropertyUtils.java:780)
        at org.apache.commons.beanutils.BeanUtils.setProperty(BeanUtils.java:793)
        at org.apache.commons.beanutils.BeanUtils.populate(BeanUtils.java:726)
        at org.apache.struts.util.RequestUtils.populate(RequestUtils.java:978)
        at 
org.apache.struts.action.RequestProcessor.processPopulate(RequestProcessor.java:779)
        at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:246)
        at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1292)
        at org.apache.struts.action.ActionServlet.doPost(ActionServlet.java:510)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:760)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
        at 
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
        at 
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
        at 
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.valves.CertificatesValve.invoke(CertificatesValve.java:246)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2396)
        at 
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at 
org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at 
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:469)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:641)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
        at 
org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invokeNext(StandardPipeline.java:643)
        at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
        at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
        at 
org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1040)
        at 
org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1151)
        at java.lang.Thread.run(Thread.java:536)

Thanks Michael
--
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