Avik Mazunder

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since Jun 27, 2012
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Recent posts by Avik Mazunder

Is there any constrain that we cannot use two a4j:command button in a common a4j:region??
9 years ago
JSF
Thanks... I implemented that by using h:graphicImage and servlet...!! Thanks once again..!
9 years ago
JSF
you can set the value using setter at the default constructor of the bean
9 years ago
JSF
please me...! is there any other method to display blob image in jsf page other than this....!! please please please help me...!
9 years ago
JSF
it is in the 12th line of javabean code
9 years ago
JSF
getUser() method is the getter of the arraylist..!
9 years ago
JSF
the exception is in this line

9 years ago
JSF
I am trying to implement a search page where users names will show along with their photos which are stored in db as blob



My xhtml page


but i am getting the following exception


but my arraylist is getting populated as I am getting the names. Then how can it get index out of bound exception..please help..I have been stuck in this code for 4 days...!
9 years ago
JSF
I dont have jsf-impl in my jar..!
9 years ago
JSF
a4j command link



But I am getting the following exception

13:16:02,789 ERROR [org.apache.catalina.core.ContainerBase.[jboss.web].[default-host].[/Student].[Faces Servlet]] (http-localhost-127.0.0.1-8080-1) Servlet.service() for servlet Faces Servlet threw exception: java.lang.NullPointerException
at com.sun.faces.context.PartialViewContextImpl.createPartialResponseWriter(PartialViewContextImpl.java:441) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.context.PartialViewContextImpl.access$300(PartialViewContextImpl.java:71) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.context.PartialViewContextImpl$DelayedInitPartialResponseWriter.getWrapped(PartialViewContextImpl.java:582) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.context.PartialResponseWriter.startDocument(PartialResponseWriter.java:115) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at com.sun.faces.context.AjaxExceptionHandlerImpl.handlePartialResponseError(AjaxExceptionHandlerImpl.java:199) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.context.AjaxExceptionHandlerImpl.handle(AjaxExceptionHandlerImpl.java:123) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:119) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.RestoreViewPhase.doPhase(RestoreViewPhase.java:116) [jsf-impl-2.1.7-jbossorg-2.jar:]
at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) [jsf-impl-2.1.7-jbossorg-2.jar:]
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) [jboss-jsf-api_2.1_spec-2.0.1.Final.jar:2.0.1.Final]
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:329) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:248) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:275) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:161) [jbossweb-7.0.13.Final.jar:]
at org.jboss.as.web.security.SecurityContextAssociationValve.invoke(SecurityContextAssociationValve.java:153) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:155) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109) [jbossweb-7.0.13.Final.jar:]
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:368) [jbossweb-7.0.13.Final.jar:]
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:877) [jbossweb-7.0.13.Final.jar:]
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:671) [jbossweb-7.0.13.Final.jar:]
at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:930) [jbossweb-7.0.13.Final.jar:]
at java.lang.Thread.run(Unknown Source) [rt.jar:1.7.0]


What is the problem here?
9 years ago
JSF
In style tag include
9 years ago
JSF
after logout when I am clicking the back button the cached page is viewing. How an I remove this browser cache?
9 years ago
JSF
I resolved my problem. I carelessly forgot to initialize the arraylist.
9 years ago
JSF
Datatable


HomeBean.java



HomeDataListData.java




i am getting this error

Error Rendering View[/WebPagesAdmin/Home.xhtml]: javax.el.ELException: /WebPagesAdmin/Home.xhtml @36,59 value="#{HomeBean.list}": java.lang.NullPointerException

Please help..!
9 years ago
JSF
you can redirect and pass the query string from the javabean as follows

9 years ago
JSF