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    <title>topic Custom content types in Alfresco Archive</title>
    <link>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103857#M72467</link>
    <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;I created my own content types, i want to use them while adding node using JCR API. lets take my content type is dml:rsscontent.&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;here is my java class.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;Node rootNode = session.getRootNode();&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;// first, access the company home&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Node companyHome = rootNode.getNode("app:company_home");&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Node rssFeeds = companyHome.getNode("app:user_homes");&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;//To get items from rss feeds.&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp; &lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;// create the content nodegud morning&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Node channelContent = rssFeeds.addNode("cm:","dml:rsscontent");&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;SPAN&gt;while executing the above class i am getting this error&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;PRE class="language-none line-numbers"&gt;&lt;CODE&gt;org.alfresco.service.namespace.NamespaceException: Namespace prefix dml is not mapped to a namespace URI&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.service.namespace.QName.createQName(QName.java:103)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.service.namespace.QName.createQName(QName.java:125)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.jcr.item.NodeImpl.addNode(NodeImpl.java:188)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at java.lang.reflect.Method.invoke(Unknown Source)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at org.alfresco.jcr.util.JCRProxyFactory$SessionContextInvocationHandler.invoke(JCRProxyFactory.java:138)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at $Proxy82.addNode(Unknown Source)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.cognizant.digitalmedialab.cms.business.JCRManagerMeta.getJCRRepository(JCRManagerMeta.java:46)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.cognizant.digitalmedialab.cms.business.RssFeeds.getChannelDetails(RssFeeds.java:34)&lt;BR /&gt;&amp;nbsp;&amp;nbsp;&amp;nbsp;at com.cognizant.digitalmedialab.cms.business.JCRManagerMeta.main(JCRManagerMeta.java:107)&lt;SPAN class="line-numbers-rows"&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;SPAN&gt;‍&lt;/SPAN&gt;&lt;/SPAN&gt;&lt;/CODE&gt;&lt;/PRE&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;I found similar kind of problem in this link &lt;/SPAN&gt;&lt;A href="http://issues.alfresco.com/browse/AR-1179?page=history" rel="nofollow noopener noreferrer"&gt;http://issues.alfresco.com/browse/AR-1179?page=history&lt;/A&gt;&lt;BR /&gt;&lt;SPAN&gt;as well as the solution.not able to do that way.&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Please any one help me…………….. &lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Thanks&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Naveen&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
    <pubDate>Wed, 25 Apr 2007 11:08:22 GMT</pubDate>
    <dc:creator>naveenkumar</dc:creator>
    <dc:date>2007-04-25T11:08:22Z</dc:date>
    <item>
      <title>Custom content types</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103857#M72467</link>
      <description>I created my own content types, i want to use them while adding node using JCR API. lets take my content type is dml:rsscontent.here is my java class.Node rootNode = session.getRootNode();&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;// first, access the company home&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;Node companyHome = rootNode.getNode("app:company_home");&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;</description>
      <pubDate>Wed, 25 Apr 2007 11:08:22 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103857#M72467</guid>
      <dc:creator>naveenkumar</dc:creator>
      <dc:date>2007-04-25T11:08:22Z</dc:date>
    </item>
    <item>
      <title>Re: Custom content types</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103858#M72468</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;Hi,&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;You need to register a model that declares that namespace and the properties.&amp;nbsp; See the sample file &lt;/SPAN&gt;&lt;STRONG&gt;custom-model-context.xml.sample&lt;/STRONG&gt;&lt;SPAN&gt;.&amp;nbsp; (&lt;/SPAN&gt;&lt;A href="http://wiki.alfresco.com/wiki/Data_Dictionary_Guide" rel="nofollow noopener noreferrer"&gt;http://wiki.alfresco.com/wiki/Data_Dictionary_Guide&lt;/A&gt;&lt;SPAN&gt;).&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Regards&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Fri, 04 May 2007 16:27:17 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103858#M72468</guid>
      <dc:creator>derek</dc:creator>
      <dc:date>2007-05-04T16:27:17Z</dc:date>
    </item>
    <item>
      <title>Re: Custom content types</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103859#M72469</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;hi derek i followed this link &lt;/SPAN&gt;&lt;A href="http://wiki.alfresco.com/wiki/Data_Dictionary_Guide#Step_4:_Register_the_Model_with_the_Repository" rel="nofollow noopener noreferrer"&gt;http://wiki.alfresco.com/wiki/Data_Dictionary_Guide#Step_4:_Register_the_Model_with_the_Repository&lt;/A&gt;&lt;SPAN&gt; for registering my custom content types. whats the diff in using example-model-context.xml.sample&amp;nbsp; and custom-model-context.xml.sample..both are same….&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;i found usage of custom content types is impossible through jcr api…&lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Please check here… &lt;/SPAN&gt;&lt;A href="http://wiki.alfresco.com/wiki/Data_Dictionary_Guide#Using_a_Custom_Model" rel="nofollow noopener noreferrer"&gt;http://wiki.alfresco.com/wiki/Data_Dictionary_Guide#Using_a_Custom_Model&lt;/A&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;Thanks &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Naveen&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 07 May 2007 05:32:09 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103859#M72469</guid>
      <dc:creator>naveenkumar</dc:creator>
      <dc:date>2007-05-07T05:32:09Z</dc:date>
    </item>
    <item>
      <title>Re: Custom content types</title>
      <link>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103860#M72470</link>
      <description>&lt;HTML&gt;&lt;HEAD&gt;&lt;/HEAD&gt;&lt;BODY&gt;&lt;SPAN&gt;hi derek followed your reply getting same error&amp;amp;#8230;&amp;amp;#8230;&lt;/SPAN&gt;&lt;BR /&gt;&lt;BR /&gt;&lt;SPAN&gt;thanks &lt;/SPAN&gt;&lt;BR /&gt;&lt;SPAN&gt;Naveen&lt;/SPAN&gt;&lt;/BODY&gt;&lt;/HTML&gt;</description>
      <pubDate>Mon, 07 May 2007 06:03:06 GMT</pubDate>
      <guid>https://connect.hyland.com/t5/alfresco-archive/custom-content-types/m-p/103860#M72470</guid>
      <dc:creator>naveenkumar</dc:creator>
      <dc:date>2007-05-07T06:03:06Z</dc:date>
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