Converter not used for generic types
------------------------------------
Key: STS-576
URL: http://www.stripesframework.org/jira/browse/STS-576
Project: Stripes
Issue Type: Bug
Components: Validation
Affects Versions: Release 1.5
Environment: Java 5 on Tomcat 5.5.25
Reporter: Christian Poitras
When having a generic type as a field, no converted are used.
In fact, a NullPointerException is thrown by PropertyExpressionEvaluation.
Here is my log.
2008-05-27 10:33:24,000 - DEBUG - debug - Could not bind property with name
[relation] to bean of type: ReadRelationVisibilityAction -
net.sourceforge.stripes.util.Log - (cloutip) - 114
java.lang.NullPointerException
at
net.sourceforge.stripes.util.bean.PropertyExpressionEvaluation.getScalarType(PropertyExpressionEvaluation.java:550)
at
net.sourceforge.stripes.controller.DefaultActionBeanPropertyBinder.bind(DefaultActionBeanPropertyBinder.java:150)
at
net.sourceforge.stripes.controller.DispatcherHelper$3.intercept(DispatcherHelper.java:194)
at
net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:158)
at
ca.qc.ircm.proteus.web.interceptor.HandleErrorsInterceptor.intercept(HandleErrorsInterceptor.java:45)
at
net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
at
ca.qc.ircm.proteus.web.interceptor.RoleInterceptor.intercept(RoleInterceptor.java:63)
at
net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
at
com.mongus.stripes.extension.wait.WaitPageInterceptor.intercept(WaitPageInterceptor.java:169)
at
net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
at
net.sourceforge.stripes.controller.BeforeAfterMethodInterceptor.intercept(BeforeAfterMethodInterceptor.java:111)
at
net.sourceforge.stripes.controller.ExecutionContext.proceed(ExecutionContext.java:155)
at
net.sourceforge.stripes.controller.ExecutionContext.wrap(ExecutionContext.java:74)
at
net.sourceforge.stripes.controller.DispatcherHelper.doBindingAndValidation(DispatcherHelper.java:190)
at
net.sourceforge.stripes.controller.DispatcherServlet.doBindingAndValidation(DispatcherServlet.java:261)
at
net.sourceforge.stripes.controller.DispatcherServlet.doPost(DispatcherServlet.java:155)
at
net.sourceforge.stripes.controller.DispatcherServlet.doGet(DispatcherServlet.java:67)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:690)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
at
net.sourceforge.stripes.controller.DynamicMappingFilter$2.doFilter(DynamicMappingFilter.java:363)
at
net.sourceforge.stripes.controller.StripesFilter.doFilter(StripesFilter.java:246)
at
net.sourceforge.stripes.controller.DynamicMappingFilter.doFilter(DynamicMappingFilter.java:350)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
ca.qc.ircm.proteus.web.filter.GroupFilter.doFilter(GroupFilter.java:72)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
ca.qc.ircm.proteus.web.filter.ProjectFilter.doFilter(ProjectFilter.java:90)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at ca.qc.ircm.proteus.web.filter.LogFilter.doFilter(LogFilter.java:48)
at
org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:215)
at
org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:188)
at
org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
at
org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:174)
at
org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:525)
at
org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at
org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117)
at
org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:108)
at
org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:151)
at
org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:874)
at
org.apache.coyote.http11.Http11BaseProtocol$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(Thread.java:595)
My action Beans is defined as.
public class ReadRelationVisibilityAction<Rel extends Relation> extends
BaseActionBean {
private Rel relation;
// Other code and getter and setter...
I have a concrete Converter class for Relation.
Note that my relation class is abstract.
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