nav[aria-label="Primary Navigation"] { padding: 0; & ul { list-style: none; width: 100%; display: flex; flex-direction: row; justify-content: start; align-items: start; gap: 30px; padding: 0; & li { margin: 0; } & ul li { list-style: none; } } }

As we transition to the new Hyland Community, some post links may be temporarily disrupted as we finalize redirects. We apologize for the inconvenience and are working to resolve this as quickly as possible. Details.

Error prefix cannot be null or empty in CMIS

rutaveejshah

Hello Everyone!

I am using alfresco community edition 4.0d. I have connected alfresco using java Open CMIS.When i create a folder using aspect it will guve me error like prefix can not be null.
Below is my code which i am using for creating a folder.

I have tried both Url:-http://localhost:8080/alfresco/cmisatom,http://localhost:8080/alfresco/service/cmis

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.alfresco.cmis.client.AlfrescoFolder;
import org.apache.chemistry.opencmis.client.api.Folder;
import org.apache.chemistry.opencmis.client.api.Repository;
import org.apache.chemistry.opencmis.client.api.Session;
import org.apache.chemistry.opencmis.client.api.SessionFactory;
import org.apache.chemistry.opencmis.client.runtime.SessionFactoryImpl;
import org.apache.chemistry.opencmis.commons.PropertyIds;
import org.apache.chemistry.opencmis.commons.SessionParameter;
import org.apache.chemistry.opencmis.commons.enums.BindingType;

public class Test 
{

   
      private Session getSession(String serverUrl, String username, String password)
      {
      SessionFactory sessionFactory = SessionFactoryImpl.newInstance();
      Map<String, String> params = new HashMap<String, String>();
      params.put(SessionParameter.USER, username);
      params.put(SessionParameter.PASSWORD, password);
      params.put(SessionParameter.ATOMPUB_URL, serverUrl);
      params.put(SessionParameter.BINDING_TYPE, BindingType.ATOMPUB.value());
      params.put   (SessionParameter.OBJECT_FACTORY_CLASS, "org.alfresco.cmis.client.impl.AlfrescoObjectFactoryImpl");         
      List<Repository> repos = sessionFactory.getRepositories(params);
      if (repos.isEmpty()) {
      throw new RuntimeException("Server has no repositories!");
      }
      return repos.get(0).createSession();
      }
public void  createFolder()
      {
         String servalUrl="http://localhost:8080/alfresco/cmisatom";
         String userName="admin";
         String password="admin";
      
         Map<String, Object> properties = new HashMap<String, Object>();
         properties.put(PropertyIds.OBJECT_TYPE_ID, "cmis:folder,P:cm:titled");   
         properties.put(PropertyIds.NAME,"TESTFOLDER2");
         properties.put(PropertyIds.CREATED_BY, "admin");
          properties.put("cm:title", "Title");
         properties.put("cm:description", "Desc");
         Session session=getSession(servalUrl, userName, password);
         AlfrescoFolder root=(AlfrescoFolder) session.getRootFolder();
         System.out.println("The Name:"+root.getId()+root.getName());
         AlfrescoFolder newFolder=(AlfrescoFolder) root.createFolder(properties);
         System.out.println(newFolder.getName());
         
      }
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

The Error i got is written below.
ERROR: 'prefix cannot be null or empty'
Exception in thread "main" org.apache.chemistry.opencmis.commons.exceptions.CmisConnectionException: Cannot access http://localhost:8080/alfresco/cmisatom/76c769fa-85b4-4bee-9621-c55bee0bc89d/children?id=workspace%3A%2F%2FSpacesStore%2F63dd2df1-3731-44be-a971-34d53bd99ece: null
   at org.apache.chemistry.opencmis.client.bindings.spi.http.HttpUtils.invoke(HttpUtils.java:203)
   at org.apache.chemistry.opencmis.client.bindings.spi.http.HttpUtils.invokePOST(HttpUtils.java:70)
   at org.apache.chemistry.opencmis.client.bindings.spi.atompub.AbstractAtomPubService.post(AbstractAtomPubService.java:566)
   at org.apache.chemistry.opencmis.client.bindings.spi.atompub.ObjectServiceImpl.createFolder(ObjectServiceImpl.java:154)
   at org.apache.chemistry.opencmis.client.runtime.SessionImpl.createFolder(SessionImpl.java:769)
   at org.apache.chemistry.opencmis.client.runtime.FolderImpl.createFolder(FolderImpl.java:129)
   at org.apache.chemistry.opencmis.client.runtime.FolderImpl.createFolder(FolderImpl.java:453)
   at com.tcs.alfresco.sample.Test.createFolder(Test.java:63)
   at com.tcs.alfresco.sample.SampleTest.main(SampleTest.java:8)
Caused by: javax.xml.bind.MarshalException
- with linked exception:
[javax.xml.transform.TransformerException: javax.xml.stream.XMLStreamException: prefix cannot be null or empty]
   at com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.write(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.MarshallerImpl.marshal(Unknown Source)
   at org.apache.chemistry.opencmis.commons.impl.JaxBHelper.marshal(JaxBHelper.java:130)
   at org.apache.chemistry.opencmis.client.bindings.spi.atompub.AtomEntryWriter.write(AtomEntryWriter.java:146)
   at org.apache.chemistry.opencmis.client.bindings.spi.atompub.ObjectServiceImpl$2.write(ObjectServiceImpl.java:156)
   at org.apache.chemistry.opencmis.client.bindings.spi.http.HttpUtils.invoke(HttpUtils.java:180)
   … 8 more
Caused by: javax.xml.transform.TransformerException: javax.xml.stream.XMLStreamException: prefix cannot be null or empty
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.reportError(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.reportError(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.writeDom(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.property.ArrayReferenceNodeProperty.serializeListBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.property.ArrayERProperty.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsXsiType(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.property.SingleElementNodeProperty.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ClassBeanInfoImpl.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsXsiType(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.property.SingleElementNodeProperty.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl$1.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl$1.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl.serializeBody(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl.serializeRoot(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ElementBeanInfoImpl.serializeRoot(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.childAsRoot(Unknown Source)
   … 14 more
Caused by: javax.xml.transform.TransformerException: javax.xml.stream.XMLStreamException: prefix cannot be null or empty
   at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transform(Unknown Source)
   … 29 more
Caused by: javax.xml.stream.XMLStreamException: prefix cannot be null or empty
   at com.sun.xml.internal.bind.v2.runtime.XMLSerializer.attribute(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.ContentHandlerAdaptor.startElement(Unknown Source)
   at com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.closeStartTag(Unknown Source)
   at com.sun.org.apache.xml.internal.serializer.ToSAXHandler.flushPending(Unknown Source)
   at com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.startElement(Unknown Source)
   at com.sun.org.apache.xml.internal.serializer.ToXMLSAXHandler.startElement(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.DOM2TO.parse(Unknown Source)
   at com.sun.org.apache.xalan.internal.xsltc.trax.TransformerImpl.transformIdentity(Unknown Source)
   … 31 more
Caused by: javax.xml.stream.XMLStreamException: prefix cannot be null or empty
   at com.sun.xml.internal.stream.writers.XMLStreamWriterImpl.writeAttribute(Unknown Source)
   at com.sun.xml.internal.bind.v2.runtime.output.XMLStreamWriterOutput.attribute(Unknown Source)
   … 43 more
Please if you have any idea reply as early as possible.

Find more posts tagged with

Comments

kaynezhang

I tested the code , it run correctly

below is your code

package org.alfresco.sample.webservice;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

import org.alfresco.cmis.client.AlfrescoFolder;

import org.apache.chemistry.opencmis.client.api.Folder;

import org.apache.chemistry.opencmis.client.api.Repository;

import org.apache.chemistry.opencmis.client.api.Session;

import org.apache.chemistry.opencmis.client.api.SessionFactory;

import org.apache.chemistry.opencmis.client.runtime.SessionFactoryImpl;

import org.apache.chemistry.opencmis.commons.PropertyIds;

import org.apache.chemistry.opencmis.commons.SessionParameter;

import org.apache.chemistry.opencmis.commons.enums.BindingType;

public class Test

{

   private Session getSession(String serverUrl, String username,
         String password)

   {

      SessionFactory sessionFactory = SessionFactoryImpl.newInstance();

      Map<String, String> params = new HashMap<String, String>();

      params.put(SessionParameter.USER, username);

      params.put(SessionParameter.PASSWORD, password);

      params.put(SessionParameter.ATOMPUB_URL, serverUrl);

      params.put(SessionParameter.BINDING_TYPE, BindingType.ATOMPUB.value());

      params.put(SessionParameter.OBJECT_FACTORY_CLASS,
            "org.alfresco.cmis.client.impl.AlfrescoObjectFactoryImpl");

      List<Repository> repos = sessionFactory.getRepositories(params);

      if (repos.isEmpty()) {

         throw new RuntimeException("Server has no repositories!");

      }

      return repos.get(0).createSession();

   }

   public void createFolder()

   {

      String servalUrl = "http://localhost:8080/alfresco/cmisatom";

      String userName = "admin";

      String password = "admin";

      Map<String, Object> properties = new HashMap<String, Object>();

      properties.put(PropertyIds.OBJECT_TYPE_ID, "cmis:folder,P:cm:titled");

      properties.put(PropertyIds.NAME, "TESTFOLDER2");

      properties.put(PropertyIds.CREATED_BY, "admin");

      properties.put("cm:title", "Title");

      properties.put("cm:description", "Desc");

      Session session = getSession(servalUrl, userName, password);

      AlfrescoFolder root = (AlfrescoFolder) session.getRootFolder();

      System.out.println("The Name:" + root.getId() + root.getName());

      AlfrescoFolder newFolder = (AlfrescoFolder) root
            .createFolder(properties);

      System.out.println(newFolder.getName());
      System.out.println(newFolder.getId());

   }
   public static void main(String[] args){
      Test t  = new Test();
      t.createFolder();
   }
}
‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍‍

here is the result in console
<strong>
The Name:ce55a850-b1c7-43c7-a600-b5c58a985429公司主页
TESTFOLDER2
</strong>

May be it is a bug of your version 4.0.d (I use 4.2.d)

rutaveejshah

I have tried using Alfresco community Edition 4.2 d still i got this error.
Tell me which jar file are you used for this.

kaynezhang

alfresco-opencmis-extension-0.3.jar
chemistry-opencmis-***.0.8.0.jar