topic Adding Custom Property to nt:file node in Alfresco Archive https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236030#M189160 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><BR /><SPAN>When we try to add a custom property to the nt:file node that i created using JCR API. I am getting a Null Pointer Exception.</SPAN><BR /><SPAN>Also i tried creating a nt:unstructured node, but it seems Alfresco doesn't have a implementation for it.</SPAN><BR /><BR /><SPAN>Kindly guide me how to create a custom property.</SPAN><BR /><BR /><SPAN>The exception that i get while creating a custom property is</SPAN><BR /><BR /><PRE class="language-none line-numbers"><CODE><BR />Exception in thread "main" java.lang.NullPointerException<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.item.PropertyImpl.checkSingleValued(PropertyImpl.java:638)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.item.PropertyImpl.setPropertyValue(PropertyImpl.java:517)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.item.NodeImpl.setProperty(NodeImpl.java:362)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)<BR />&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)<BR />&nbsp;&nbsp;&nbsp;at java.lang.reflect.Method.invoke(Unknown Source)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.jcr.util.JCRProxyFactory$SessionContextInvocationHandler.invoke(JCRProxyFactory.java:138)<BR />&nbsp;&nbsp;&nbsp;at $Proxy79.setProperty(Unknown Source)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.sample.AlfrescoActions.importFile(AlfrescoActions.java:180)<BR />&nbsp;&nbsp;&nbsp;at org.alfresco.sample.AlfrescoActions.main(AlfrescoActions.java:64)<BR /><BR /><SPAN class="line-numbers-rows"><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN><SPAN>‍</SPAN></SPAN></CODE></PRE><BR /><SPAN>I am in need of this info very urgently.</SPAN><BR /><BR /><SPAN>Thanks </SPAN><BR /><SPAN>Ajai G</SPAN></BODY></HTML> Sat, 13 Jun 2009 10:57:59 GMT ajaiking 2009-06-13T10:57:59Z Adding Custom Property to nt:file node https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236030#M189160 Hi,When we try to add a custom property to the nt:file node that i created using JCR API. I am getting a Null Pointer Exception.Also i tried creating a nt:unstructured node, but it seems Alfresco doesn't have a implementation for it.Kindly guide me how to create a custom property.The exception that Sat, 13 Jun 2009 10:57:59 GMT https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236030#M189160 ajaiking 2009-06-13T10:57:59Z Re: Adding Custom Property to nt:file node https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236031#M189161 <HTML><HEAD></HEAD><BODY><SPAN>Did you came to know how to do it?? even i wanted to do it</SPAN></BODY></HTML> Thu, 27 Aug 2009 08:59:40 GMT https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236031#M189161 sumit057 2009-08-27T08:59:40Z Re: Adding Custom Property to nt:file node https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236032#M189162 <HTML><HEAD></HEAD><BODY><SPAN>Hi,</SPAN><BR /><SPAN>I think the best thing to do would be to make a custom folder type</SPAN><BR /><SPAN>that inherits from nt:folder and add the necessary properties to it.</SPAN></BODY></HTML> Fri, 25 Mar 2011 12:09:55 GMT https://connect.hyland.com/t5/alfresco-archive/adding-custom-property-to-nt-file-node/m-p/236032#M189162 alexer 2011-03-25T12:09:55Z