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??
10 years ago
JSF
Thanks... I implemented that by using h:graphicImage and servlet...!! Thanks once again..!
10 years ago
JSF
you can set the value using setter at the default constructor of the bean
10 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...!
10 years ago
JSF
it is in the 12th line of javabean code
10 years ago
JSF
getUser() method is the getter of the arraylist..!
10 years ago
JSF
the exception is in this line

10 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...!
10 years ago
JSF
I dont have jsf-impl in my jar..!
11 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?
11 years ago
JSF
In style tag include
11 years ago
JSF
after logout when I am clicking the back button the cached page is viewing. How an I remove this browser cache?
11 years ago
JSF
I resolved my problem. I carelessly forgot to initialize the arraylist.
11 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..!
11 years ago
JSF
you can redirect and pass the query string from the javabean as follows

11 years ago
JSF