Examples of java.security.ProviderException

java.security.ProviderException
A runtime exception for Provider exceptions (such as misconfiguration errors or unrecoverable internal errors), which may be subclassed by Providers to throw specialized, provider-specific runtime errors. @version 1.17, 11/17/05 @author Benjamin Renaud

            throws ShortBufferException {
        try {
            return bufferCrypt(input, output, true);
        } catch (IllegalBlockSizeException e) {
            // never thrown for engineUpdate()
            throw new ProviderException("Internal error in update()");
        } catch (BadPaddingException e) {
            // never thrown for engineUpdate()
            throw new ProviderException("Internal error in update()");
        }
    }

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                    total += n;
                } catch (ShortBufferException e) {
                    if (resized) {
                        // we just resized the output buffer, but it still
                        // did not work. Bug in the provider, abort
                        throw (ProviderException)new ProviderException
                            ("Could not determine buffer size").initCause(e);
                    }
                    // output buffer is too small, realloc and try again
                    resized = true;
                    int newOut = engineGetOutputSize(chunk);

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        }
        session = objSessions.poll();
        if (session != null) {
            return ensureValid(session);
        }
        throw new ProviderException("Could not obtain session");
    }

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        }
        try {
            closeSession(session);
            return null;
        } catch (PKCS11Exception e) {
            throw new ProviderException(e);
        }
    }

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        opSessions.release(session);
    }


    private Session openSession() throws PKCS11Exception {
        if (activeSessions >= maxSessions) {
            throw new ProviderException("No more sessions available");
        }
        long id = token.p11.C_OpenSession
                    (token.provider.slotID, openSessionFlags, null, null);
        Session session = new Session(token, id);
        activeSessions++;

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        return session;
    }


    private void closeSession(Session session) throws PKCS11Exception {
        if (session.hasObjects()) {
            throw new ProviderException
                ("Internal error: close session with active objects");
        }
        token.p11.C_CloseSession(session.id());
        activeSessions--;
    }

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                        + mgr.activeSessions);
            }
            List<Session> subList = pool.subList(0, i);
            subList.clear();
            if (exc != null) {
                throw new ProviderException(exc);
            }
        }

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      {
         sha = MessageDigest.getInstance("SHA");
      }
      catch(NoSuchAlgorithmException e)
      {
         throw new ProviderException("Failed to obtain SHA MessageDigest");
      }
      evenBytes = new ByteArrayOutputStream();
      oddBytes = new ByteArrayOutputStream();
      engineReset();
   }

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                // the below case should not occur because /dev/random or /dev/urandom is a special file
                // hence, if it is happened there is some internal problem
                //
                if ( bytesRead == -1 ) {
                    throw new ProviderException(
                        Messages.getString("security.193") ); //$NON-NLS-1$
                }


                total  += bytesRead;
                offset += bytesRead;


                if ( total >= numBytes ) {
                    break;
                }          
            }
        } catch (IOException e) {


            // actually there should be no IOException because device is a special file;
            // hence, there is either some internal problem or, for instance,
            // device was removed in runtime, or something else
            //
            throw new ProviderException(
                Messages.getString("security.194"), e ); //$NON-NLS-1$
        }
        return bytes; 
    }

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        if ( numBytes <= 0 ) {
            throw new IllegalArgumentException(Messages.getString("security.195", numBytes)); //$NON-NLS-1$
        }


        if ( !serviceAvailable ) {
            throw new ProviderException(
                Messages.getString("security.196")); //$NON-NLS-1$
        }


        return getLinuxRandomBits(numBytes);
    }

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