Bug 7391 - Accessing the Nullable Property for ColumnMetaData Causes an Exception
Summary: Accessing the Nullable Property for ColumnMetaData Causes an Exception
Status: RESOLVED FIXED
Alias: None
Product: Taglibs
Classification: Unclassified
Component: Standard Taglib (show other bugs)
Version: unspecified
Hardware: Other Windows XP
: P3 normal (vote)
Target Milestone: ---
Assignee: Tomcat Developers Mailing List
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2002-03-23 16:44 UTC by David Geary
Modified: 2004-11-16 19:05 UTC (History)
0 users


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Description David Geary 2002-03-23 16:44:08 UTC 
This code:

<li><b>Nullable:</b>
   <c:out value='${columnMetaData.nullable}'/><br/></li>

Causes the following exception:

javax.servlet.ServletException: Unable to find a value for "nullable" in 
object of class "javax.servlet.jsp.jstl.sql.ColumnMetaDataImpl" using 
operator "."
	at org.apache.jasper.runtime.PageContextImpl.handlePageException
(PageContextImpl.java:463)
	at org.apache.jsp.index$jsp._jspService(index$jsp.java:1051)
	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:190)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.valves.CertificatesValve.invoke
(CertificatesValve.java:246)
	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.StandardContext.invoke
(StandardContext.java:2343)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
	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:468)
	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:174)
	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:1012)
	at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1107)
	at java.lang.Thread.run(Thread.java:536)


root cause 

Unable to find a value for "nullable" in object of 
class "javax.servlet.jsp.jstl.sql.ColumnMetaDataImpl" using operator "."
	at org.apache.taglibs.standard.lang.jstl.Logger.logError
(Logger.java:485)
	at org.apache.taglibs.standard.lang.jstl.Logger.logError
(Logger.java:502)
	at org.apache.taglibs.standard.lang.jstl.Logger.logError
(Logger.java:615)
	at org.apache.taglibs.standard.lang.jstl.ArraySuffix.evaluate
(ArraySuffix.java:335)
	at org.apache.taglibs.standard.lang.jstl.ComplexValue.evaluate
(ComplexValue.java:142)
	at org.apache.taglibs.standard.lang.jstl.Evaluator.evaluate
(Evaluator.java:177)
	at org.apache.taglibs.standard.lang.jstl.Evaluator.evaluate
(Evaluator.java:140)
	at org.apache.taglibs.standard.lang.jstl.Evaluator.evaluate
(Evaluator.java:341)
	at 
org.apache.taglibs.standard.lang.support.ExpressionEvaluatorManager.evaluate
(ExpressionEvaluatorManager.java:109)
	at org.apache.taglibs.standard.tag.el.core.ExprTag.doStartTag
(ExprTag.java:137)
	at org.apache.jsp.index$jsp._jspService(index$jsp.java:766)
	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:190)
	at org.apache.catalina.core.StandardPipeline.invokeNext
(StandardPipeline.java:566)
	at org.apache.catalina.valves.CertificatesValve.invoke
(CertificatesValve.java:246)
	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.StandardContext.invoke
(StandardContext.java:2343)
	at org.apache.catalina.core.StandardHostValve.invoke
(StandardHostValve.java:180)
	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:468)
	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:174)
	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:1012)
	at org.apache.catalina.connector.http.HttpProcessor.run
(HttpProcessor.java:1107)
	at java.lang.Thread.run(Thread.java:536)
Comment 1 Justyna Horwat 2002-04-10 00:48:35 UTC 
The revised specification removes support for columnmetadata. This makes the
Nullable property retrieval exception obsolete.