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    Internal Server Error


    I have been trying to connect to an Interbase database using JSP. I am getting the following error though. Would anyone know what is wrong?type Exception report

    message Internal Server Error

    description The server encountered an internal error (Internal Server Error) that prevented it from fulfilling this request.

    exception

    javax.servlet.ServletException: (class: interbase/interclient/ErrorKey, method: _$372 signature: (Ljava/lang/String;Ljava/lang/String;I)V) Expecting to find unitialized object on stack
    at org.apache.jasper.runtime.PageContextImpl.handlePageException(PageContextImpl.java:457)
    at org.apache.jsp.test$jsp._jspService(test$jsp.java:108)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
    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:243)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1011)
    at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
    at java.lang.Thread.run(Thread.java:484)


    root cause

    java.lang.VerifyError: (class: interbase/interclient/ErrorKey, method: _$372 signature: (Ljava/lang/String;Ljava/lang/String;I)V) Expecting to find unitialized object on stack
    at interbase.interclient.SQLException.(SQLException.java:83)
    at interbase.interclient.UnavailableInterBaseServerException.(UnavailableInterBaseServerException.java: 85)
    at interbase.interclient.RecvMessage.createSQLException(RecvMessage.java:641)
    at interbase.interclient.RecvMessage.makeSQLException(RecvMessage.java:593)
    at interbase.interclient.RecvMessage.get_EXCEPTIONS(RecvMessage.java:554)
    at interbase.interclient.Connection._$126173(Connection.java:391)
    at interbase.interclient.Connection._$45044(Connection.java:331)
    at interbase.interclient.Connection.(Connection.java:285)
    at interbase.interclient.Driver.connect(Driver.java:204)
    at java.sql.DriverManager.getConnection(DriverManager.java:517)
    at java.sql.DriverManager.getConnection(DriverManager.java:177)
    at org.apache.jsp.test$jsp._jspService(test$jsp.java:73)
    at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:107)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:853)
    at org.apache.jasper.servlet.JspServlet$JspServletWrapper.service(JspServlet.java:202)
    at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:382)
    at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:474)
    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:243)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:201)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2344)
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:164)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:170)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
    at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:462)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:564)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:163)
    at org.apache.catalina.core.StandardPipeline.invokeNext(StandardPipeline.java:566)
    at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:472)
    at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:943)
    at org.apache.catalina.connector.http.HttpProcessor.process(HttpProcessor.java:1011)
    at org.apache.catalina.connector.http.HttpProcessor.run(HttpProcessor.java:1106)
    at java.lang.Thread.run(Thread.java:484)



    --------------------------------------------------------------------------------
  2. #2
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    an internal server error usually denotes the coder trying to reference a null variable..

    In your case, please also check for your ID and password connection to your database
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    Thumbs up


    Originally posted by pabloj
    Take also a look at a more modern jdbc driver http://firebird.sourceforge.net/inde...les&id=jcajdbc

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