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POPrimefaces FileUpload in Datatable
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copied!<p>I am trying to use Primefaces <code>fileupload</code> in Datatable , but when I am getting multiple <code>fileupload</code> I am getting following error.</p> <pre><code>java.lang.NullPointerException at org.primefaces.component.fileupload.FileUploadRenderer.decodeSimple(FileUploadRenderer.java:56) at org.primefaces.component.fileupload.FileUploadRenderer.decode(FileUploadRenderer.java:47) at javax.faces.component.UIComponentBase.decode(UIComponentBase.java:787) at javax.faces.component.UIInput.decode(UIInput.java:757) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1181) at javax.faces.component.UIInput.processDecodes(UIInput.java:662) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1176) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1176) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1176) at org.primefaces.component.api.UIData.process(UIData.java:309) at org.primefaces.component.api.UIData.processChildren(UIData.java:297) at org.primefaces.component.api.UIData.processPhase(UIData.java:261) at org.primefaces.component.api.UIData.processDecodes(UIData.java:227) at javax.faces.component.UIForm.processDecodes(UIForm.java:225) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1176) at javax.faces.component.UIComponentBase.processDecodes(UIComponentBase.java:1176) at javax.faces.component.UIViewRoot.processDecodes(UIViewRoot.java:933) at com.sun.faces.lifecycle.ApplyRequestValuesPhase.execute(ApplyRequestValuesPhase.java:78) at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101) at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:77) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:171) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99) at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:936) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1004) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:589) at org.apache.tomcat.util.net.AprEndpoint$SocketProcessor.run(AprEndpoint.java:1852) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908) at java.lang.Thread.run(Thread.java:619) </code></pre>

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