Jsp page error

athiq.rahaman

Hi I want to know what this error means....................................

ERROR    An error has occurred.

[Ljava.lang.String;

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Stack Trace:

java.lang.ClassCastException: [Ljava.lang.String;
at com.documentum.web.form.control.DropDownListTag.renderEnd(DropDownListTag.java:377)
at com.documentum.web.form.control.ListBoxTag.renderEnd(ListBoxTag.java:129)
at com.documentum.web.form.ControlTag.doEndTag(ControlTag.java:873)
at org.apache.jsp.custom.Form.QualityTemplate_jsp._jspx_meth_dmf_005fdatalistbox_005f1(QualityTemplate_jsp.java:822)
at org.apache.jsp.custom.Form.QualityTemplate_jsp._jspx_meth_dmf_005fform_005f0(QualityTemplate_jsp.java:184)
at org.apache.jsp.custom.Form.QualityTemplate_jsp._jspService(QualityTemplate_jsp.java:60)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:98)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:331)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:329)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:269)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.documentum.web.servlet.ResponseHeaderControlFilter.doFilter(ResponseHeaderControlFilter.java:317)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.documentum.web.servlet.CompressionFilter.doFilter(CompressionFilter.java:84)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at com.documentum.web.env.WDKController.processRequest(WDKController.java:95)
at com.documentum.web.env.WDKController.doFilter(WDKController.java:83)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665)
at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528)
at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81)
at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689)
at java.lang.Thread.run(Unknown Source)

   OK

Francois Dauberlieu

ClassCastException means that you use the wrong declaration of a variable in a java class

Ie. you have:

String myString;

int myInt = 12;

and then you try to do myString=myInt

Do you have any customisation ?