Examples of javax.naming.NamingException

javax.naming.NamingException
pache.org where jndi has successfully resolved the DNS name. The part of the name which could not be resolved could be something like java/classes.index.html where jndi could not resolve the file name.

It can also refer to the object that is associated with the resolved name.

Additionaly it can refer to another exception, which may be the root cause of this exception.

Multithreaded access to a NamingException instance is only safe when client code locks the object first.

      bindings.put(newName, value);
   }


   public void unbind(Name name) throws NamingException
   {
      throw new NamingException("Unsupported op");      
   }

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      // Redeploy the naming service
      redeployNaming();
      
      Context ctx2 = createInitialContext(env);
      NamingException ne = null;
      try
      {
         assertEquals(ObjectBinder.VALUE, ctx2.lookup(ObjectBinder.NAME));
      }
      catch (NamingException e)
      {
         // Cache the exception to fail the test later, after
         // we check that we can recover
         log.error("Caught NamingException", e);
         ne = e;
      }
      
      // We recover from failure
      if (ne != null)
      {
         try
         {
            assertEquals(ObjectBinder.VALUE, ctx2.lookup(ObjectBinder.NAME));
         }
         catch (Exception e)
         {
            log.error("Failed to reacquire server");
         }
         // Now fail due to the earlier failure
         fail(ne.getMessage());         
      }
      
      // Confirm the original context is still good
      assertEquals(ObjectBinder.VALUE, ctx1.lookup(ObjectBinder.NAME));
   }

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   * @exception NamingException if a naming exception is encountered
   */
  public Object lookup(String name) throws NamingException {
    
    VFSItem item = resolveFile(name);
    if (item == null) throw new NamingException(smgr.getString("resources.notFound", name));


    if (item instanceof VFSContainer) {
      VFSDirContext tempContext = new VFSDirContext(env);
      tempContext.setVirtualDocBase(item);
      return tempContext;

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   * @exception NamingException if a naming exception is encountered
   */
  public void unbind(String name) throws NamingException {


    VFSItem file = resolveFile(name);
    if (file == null) throw new NamingException(smgr.getString("resources.notFound", name));


    VFSStatus status = file.delete();
    if (status == VFSConstants.NO)
      throw new NamingException(smgr.getString("resources.unbindFailed", name));
  }

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   * @exception NamingException if a naming exception is encountered
   */
  public void rename(String oldName, String newName) throws NamingException {


    VFSItem oldFile = resolveFile(oldName);
    if (oldFile == null) throw new NamingException(smgr.getString("resources.notFound", oldName));


    VFSItem newFile = resolveFile(newName);
    if (newFile != null)
      throw new NameAlreadyBoundException();

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   * @exception NamingException if a naming exception is encountered
   */
  public NamingEnumeration<NameClassPair> list(String name) throws NamingException {


    VFSItem file = resolveFile(name);
    if (file == null) throw new NamingException(smgr.getString("resources.notFound", name));
    return new NamingContextEnumeration(list(file).iterator());


  }

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   */
  public Attributes getAttributes(String name, String[] attrIds) throws NamingException {


    // Building attribute list
    VFSItem file = resolveFile(name);
    if (file == null) throw new NamingException(smgr.getString("resources.notFound", name));
    return new VFSResourceAttributes(file);


  }

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    // Note: No custom attributes allowed
    VFSItem file = resolveFile(name);
    if (file != null) throw new NameAlreadyBoundException(smgr.getString("resources.alreadyBound", name));
    
    int lastSlash = name.lastIndexOf('/');
    if (lastSlash == -1) throw new NamingException();
    String parent = name.substring(0, lastSlash);
    VFSItem folder = resolveFile(parent);
    if (folder == null || (!(folder instanceof VFSContainer)))
      throw new NamingException(smgr.getString("resources.bindFailed", name));
    String newName = name.substring(lastSlash + 1);
    VFSLeaf childLeaf = ((VFSContainer)folder).createChildLeaf(newName);
    if (childLeaf == null)
      throw new NamingException(smgr.getString("resources.bindFailed", name));
    copyVFS(childLeaf, name, obj, attrs);
    if(childLeaf instanceof MetaTagged) {
      MetaInfo infos = ((MetaTagged)childLeaf).getMetaInfo();
      if(infos != null && infos.getAuthorIdentity() == null) {
        infos.setAuthor(userSession.getIdentity().getName());

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    // Note: No custom attributes allowed
    // Check obj type


    VFSItem vfsItem = resolveFile(name);
    if (vfsItem == null || (!(vfsItem instanceof VFSLeaf))) throw new NamingException(smgr.getString("resources.bindFailed", name));
    VFSLeaf file = (VFSLeaf)vfsItem;
    
    if(file instanceof Versionable && ((Versionable)file).getVersions().isVersioned()) {
      VersionsManager.getInstance().addToRevisions((Versionable)file, identity, "");
    }

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      is = (InputStream) obj;
    } else if (obj instanceof DirContext) {
      createSubcontext(name, attrs);
      return;
    }
    if (is == null) throw new NamingException(smgr.getString("resources.bindFailed", name));


    // Try to get Quota
    long quotaLeft = -1;
    boolean withQuotaCheck = false;
    VFSContainer parentContainer = file.getParentContainer();
    if (parentContainer != null) {
      quotaLeft = VFSManager.getQuotaLeftKB(parentContainer);
      if (quotaLeft != Quota.UNLIMITED) {
        quotaLeft = quotaLeft * 1024; // convert from kB
        withQuotaCheck = true;
      } else {
        withQuotaCheck = false;
      }
    }
    // Open os
    OutputStream os = null;
    byte buffer[] = new byte[bufferSize];
    int len = -1;
    try {
      os = file.getOutputStream(false);
      while (true) {
        len = is.read(buffer);
        if (len == -1) break;
        if (withQuotaCheck) {
          // re-calculate quota and check
          quotaLeft = quotaLeft - len;
          if (quotaLeft < 0) throw new NamingException("Quota exceeded.");
        }
        os.write(buffer, 0, len);
      }
    } catch (Exception e) {
      FileUtils.closeSafely(os); // close first, in order to be able to delete any reamins of the file
      file.delete();
      if (e instanceof NamingException) throw (NamingException)e;
      throw new NamingException(smgr.getString("resources.bindFailed"));
    } finally {
      FileUtils.closeSafely(os);
      FileUtils.closeSafely(is);
    }
  }

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