Example usage for java.lang ClassNotFoundException getMessage

List of usage examples for java.lang ClassNotFoundException getMessage

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Introduction

In this page you can find the example usage for java.lang ClassNotFoundException getMessage.

Prototype

public String getMessage()

Source Link

Document

Returns the detail message string of this throwable.

Usage

From source file:org.apache.juddi.cryptor.CryptorFactory.java

private static synchronized Cryptor createCryptor() {
    if (cryptor != null) {
        return cryptor;
    }/*  w  w w.  j a va 2  s  .  c om*/

    // grab class name of the Cryptor implementation to create
    String className = Property.DEFAULT_CRYPTOR;
    try {
        // grab class name of the Authenticator implementation to create
        className = AppConfig.getConfiguration().getString(Property.JUDDI_CRYPTOR, Property.DEFAULT_CRYPTOR);
    } catch (ConfigurationException ce) {
        log.error("Configuration exception occurred retrieving: " + Property.JUDDI_CRYPTOR, ce);
    }

    // write the Cryptor implementation name to the log
    log.debug("Cryptor Implementation = " + className);

    Class<?> cryptorClass = null;
    try {
        // Use Loader to locate & load the Cryptor implementation
        cryptorClass = ClassUtil.forName(className, CryptorFactory.class);
    } catch (ClassNotFoundException e) {
        log.error("The specified Cryptor class '" + className + "' was not found in classpath.");
        log.error(e);
    }

    if (cryptorClass != null) {
        try {
            // try to instantiate the Cryptor implementation
            cryptor = (Cryptor) cryptorClass.newInstance();
        } catch (Exception e) {
            log.error("Exception while attempting to instantiate the implementation of Cryptor: "
                    + cryptorClass.getName() + "\n" + e.getMessage());
            log.error(e);
        }
    }

    return cryptor;
}

From source file:org.apache.flink.client.FlinkYarnSessionCli.java

public static AbstractFlinkYarnClient getFlinkYarnClient() {
    AbstractFlinkYarnClient yarnClient;/*from  w w  w  . j  a  va 2  s  .  c  o m*/
    try {
        Class<? extends AbstractFlinkYarnClient> yarnClientClass = Class
                .forName("org.apache.flink.yarn.FlinkYarnClient").asSubclass(AbstractFlinkYarnClient.class);
        yarnClient = InstantiationUtil.instantiate(yarnClientClass, AbstractFlinkYarnClient.class);
    } catch (ClassNotFoundException e) {
        System.err.println("Unable to locate the Flink YARN Client. "
                + "Please ensure that you are using a Flink build with Hadoop2/YARN support. Message: "
                + e.getMessage());
        e.printStackTrace(System.err);
        return null; // make it obvious
    }
    return yarnClient;
}

From source file:org.apache.torque.generator.configuration.source.SourceTransformerSaxHandler.java

/**
 * Creates an instance of a transformer.
 *
 * @param className the name of the transformer to be created.
 *
 * @return the instance of the transformer, not null.
 *
 * @throws ExceptionInInitializerError if an error occurs in the
 *        initializer of the transformer.
 * @throws LinkageError if the linkage fails.
 * @throws SAXException if any other  error occurs during instantiation
 *         of the class.//w  ww . ja v  a  2  s .  co m
 */
private static SourceTransformer createJavaSourceTransformer(String className) throws SAXException {
    Class<?> transformerClass;
    try {
        transformerClass = Class.forName(className);
    } catch (ClassNotFoundException e) {
        throw new SAXException(
                "Error  while initializing a source transformer :" + " Could not load class " + className, e);
    } catch (ExceptionInInitializerError e) {
        log.error("Error  while initializing a source transformer :" + " Could not initialize class "
                + className + " : " + e.getMessage());
        throw e;
    } catch (LinkageError e) {
        log.error("Error  while initializing a source transformer :" + " Could not link class " + className
                + " : " + e.getMessage());
        throw e;
    }

    SourceTransformer result;
    try {
        Constructor<?> constructor = transformerClass.getConstructor();
        result = (SourceTransformer) constructor.newInstance();
    } catch (NoSuchMethodException e) {
        throw new SAXException("Error  while instantiating a source transformer :" + " The class " + className
                + " has no default constructor", e);
    } catch (ClassCastException e) {
        throw new SAXException("Error  while instantiating a source transformer :" + " The class " + className
                + " is not an instance of " + SourceTransformer.class.getName(), e);
    } catch (IllegalAccessException e) {
        throw new SAXException("Error  while instantiating a source transformer :"
                + " The constructor of class " + className + " could not be accessed", e);
    } catch (InvocationTargetException e) {
        throw new SAXException("Error  while instantiating a source transformer :"
                + " The constructor of class " + className + " could not be called", e);
    } catch (InstantiationException e) {
        throw new SAXException("Error  while instantiating a source transformer :" + " The class " + className
                + " represents an abstract class, " + "an interface, an array class, a primitive type, "
                + "or void, or the class has no parameterless constructor, "
                + "or the instantiation fails for some other reason.", e);
    } catch (SecurityException e) {
        throw new SAXException("Error  while instantiating a source transformer :"
                + " The security manager denies instantiation of the class " + className, e);
    }

    return result;
}

From source file:com.extjs.djn.ioc.servlet.BaseDirectJNgineServlet.java

private static List<Class<?>> getClasses(String classes) {
    assert classes != null;

    List<Class<?>> result = new ArrayList<Class<?>>();
    if (StringUtils.isEmpty(classes)) {
        return result;
    }//from   w  w w  . j  ava2 s. co m
    List<String> classNames = StringUtils.getNonBlankValues(classes, VALUES_SEPARATOR);

    for (String className : classNames) {
        try {
            Class<?> cls = Class.forName(className);
            result.add(cls);
        } catch (ClassNotFoundException ex) {
            logger.fatal(ex.getMessage(), ex);
            ServletConfigurationException e = ServletConfigurationException.forClassNotFound(className, ex);
            throw e;
        }
    }

    return result;
}

From source file:BrowserLauncher.java

/**
 * Called by a static initializer to load any classes, fields, and methods required at runtime
 * to locate the user's web browser./*from   w w  w  .ja  va2  s .  c o  m*/
 * @return <code>true</code> if all intialization succeeded
 *         <code>false</code> if any portion of the initialization failed
 */
private static boolean loadClasses() {
    switch (jvm) {
    case MRJ_2_0:
        try {
            Class aeTargetClass = Class.forName("com.apple.MacOS.AETarget");
            Class osUtilsClass = Class.forName("com.apple.MacOS.OSUtils");
            Class appleEventClass = Class.forName("com.apple.MacOS.AppleEvent");
            Class aeClass = Class.forName("com.apple.MacOS.ae");
            aeDescClass = Class.forName("com.apple.MacOS.AEDesc");

            aeTargetConstructor = aeTargetClass.getDeclaredConstructor(new Class[] { int.class });
            appleEventConstructor = appleEventClass.getDeclaredConstructor(
                    new Class[] { int.class, int.class, aeTargetClass, int.class, int.class });
            aeDescConstructor = aeDescClass.getDeclaredConstructor(new Class[] { String.class });

            makeOSType = osUtilsClass.getDeclaredMethod("makeOSType", new Class[] { String.class });
            putParameter = appleEventClass.getDeclaredMethod("putParameter",
                    new Class[] { int.class, aeDescClass });
            sendNoReply = appleEventClass.getDeclaredMethod("sendNoReply", new Class[] {});

            Field keyDirectObjectField = aeClass.getDeclaredField("keyDirectObject");
            keyDirectObject = (Integer) keyDirectObjectField.get(null);
            Field autoGenerateReturnIDField = appleEventClass.getDeclaredField("kAutoGenerateReturnID");
            kAutoGenerateReturnID = (Integer) autoGenerateReturnIDField.get(null);
            Field anyTransactionIDField = appleEventClass.getDeclaredField("kAnyTransactionID");
            kAnyTransactionID = (Integer) anyTransactionIDField.get(null);
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (NoSuchFieldException nsfe) {
            errorMessage = nsfe.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;
    case MRJ_2_1:
        try {
            mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
            mrjOSTypeClass = Class.forName("com.apple.mrj.MRJOSType");
            Field systemFolderField = mrjFileUtilsClass.getDeclaredField("kSystemFolderType");
            kSystemFolderType = systemFolderField.get(null);
            findFolder = mrjFileUtilsClass.getDeclaredMethod("findFolder", new Class[] { mrjOSTypeClass });
            getFileCreator = mrjFileUtilsClass.getDeclaredMethod("getFileCreator", new Class[] { File.class });
            getFileType = mrjFileUtilsClass.getDeclaredMethod("getFileType", new Class[] { File.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchFieldException nsfe) {
            errorMessage = nsfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (SecurityException se) {
            errorMessage = se.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;
    case MRJ_3_0:
        try {
            Class linker = Class.forName("com.apple.mrj.jdirect.Linker");
            Constructor constructor = linker.getConstructor(new Class[] { Class.class });
            linkage = constructor.newInstance(new Object[] { BrowserLauncher.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        } catch (InvocationTargetException ite) {
            errorMessage = ite.getMessage();
            return false;
        } catch (InstantiationException ie) {
            errorMessage = ie.getMessage();
            return false;
        } catch (IllegalAccessException iae) {
            errorMessage = iae.getMessage();
            return false;
        }
        break;
    case MRJ_3_1:
        try {
            mrjFileUtilsClass = Class.forName("com.apple.mrj.MRJFileUtils");
            openURL = mrjFileUtilsClass.getDeclaredMethod("openURL", new Class[] { String.class });
        } catch (ClassNotFoundException cnfe) {
            errorMessage = cnfe.getMessage();
            return false;
        } catch (NoSuchMethodException nsme) {
            errorMessage = nsme.getMessage();
            return false;
        }
        break;
    default:
        break;
    }
    return true;
}

From source file:org.apache.juddi.v3.client.cryptor.CryptorFactory.java

/**
 * Returns a crypto provider with the matching classname, throws if not
 * possible//www .j a  v  a 2 s  .c  o m
 *
 * @param className
 * @return a Cryptor instance
 * @throws Exception
 */
public static Cryptor getCryptor(String className) throws Exception {
    if (cache.containsKey(className)) {
        return cache.get(className);
    }
    Class<?> cryptorClass = null;
    try {
        // Use Loader to locate & load the Cryptor implementation
        cryptorClass = ClassUtil.forName(className, CryptorFactory.class);
    } catch (ClassNotFoundException e) {
        log.error("The specified Cryptor class '" + className + "' was not found in classpath.");
        log.error(e);
        throw e;
    }

    try {
        // try to instantiate the Cryptor implementation
        cryptor = (Cryptor) cryptorClass.newInstance();
        cache.put(className, cryptor);
    } catch (Exception e) {
        log.error("Exception while attempting to instantiate the implementation of Cryptor: "
                + cryptorClass.getName() + "\n" + e.getMessage());
        log.error(e);
        throw e;
    }

    return cryptor;
}

From source file:org.apache.juddi.v3.client.cryptor.CryptorFactory.java

private static synchronized Cryptor createCryptor() {
    if (cryptor != null) {
        return cryptor;
    }//from w  ww  . j  a  va 2s  .  co  m

    // grab class name of the Cryptor implementation to create
    String className = Property.DEFAULT_CRYPTOR;

    // write the Cryptor implementation name to the log
    log.debug("Cryptor Implementation = " + className);

    Class<?> cryptorClass = null;
    try {
        // Use Loader to locate & load the Cryptor implementation
        cryptorClass = ClassUtil.forName(className, CryptorFactory.class);
    } catch (ClassNotFoundException e) {
        log.error("The specified Cryptor class '" + className + "' was not found in classpath.");
        log.error(e);
    }

    if (cryptorClass != null) {
        try {
            // try to instantiate the Cryptor implementation
            cryptor = (Cryptor) cryptorClass.newInstance();
        } catch (Exception e) {
            log.error("Exception while attempting to instantiate the implementation of Cryptor: "
                    + cryptorClass.getName() + "\n" + e.getMessage());
            log.error(e);
        }
    }

    return cryptor;
}

From source file:info.magnolia.cms.gui.dialog.DialogFactory.java

/**
 * Get a instance by the control type name. Those name class mappings are configured in the admin interface
 * configuration./*from   w w  w  . j  a  v  a2  s  .c om*/
 * @param request
 * @param response
 * @param storageNode the node holding the data (can be null)
 * @param configNode the node holding the configuration (can be null)
 * @param controlType the name of the control
 * @return the conrol
 * @throws RepositoryException
 */
public static DialogControl getDialogControlInstanceByName(HttpServletRequest request,
        HttpServletResponse response, Content storageNode, Content configNode, String controlType)
        throws RepositoryException {

    Class dialogClass = (Class) controls.get(controlType);

    if (dialogClass == null) {
        try {
            dialogClass = Class.forName(controlType);
        } catch (ClassNotFoundException e) {
            throw new IllegalArgumentException("Unknown control type: \"" + controlType + "\""); //$NON-NLS-1$ //$NON-NLS-2$
        }
    }

    DialogControl control = null;
    try {
        control = (DialogControl) dialogClass.newInstance();
    } catch (Exception e) {
        // should never happen
        throw new NestableRuntimeException("Unable to instantiate " //$NON-NLS-1$
                + dialogClass + " due to: InstantiationException - " //$NON-NLS-1$
                + e.getMessage());
    }

    control.init(request, response, storageNode, configNode);
    return control;
}

From source file:org.apache.juddi.v3.auth.AuthenticatorFactory.java

/**
 * Returns a new instance of a Authenticator.
 * /*  w  ww  .j  av a 2 s  .  co  m*/
 * @return Authenticator
 */
private static synchronized Authenticator createAuthenticator() {
    if (auth != null)
        return auth;

    String className = DEFAULT_IMPL;
    try {
        // grab class name of the Authenticator implementation to create
        className = AppConfig.getConfiguration().getString(Property.JUDDI_AUTHENTICATOR, DEFAULT_IMPL);
    } catch (ConfigurationException ce) {
        log.error("Configuration exception occurred retrieving: " + Property.JUDDI_AUTHENTICATOR);
    }

    // write the Authenticator implementation name to the log
    log.debug("Authenticator Implementation = " + className);

    Class<?> authClass = null;
    try {
        // Use Loader to locate & load the Authenticator implementation
        authClass = ClassUtil.forName(className, AuthenticatorFactory.class);
    } catch (ClassNotFoundException e) {
        log.error("The specified Authenticator class '" + className + "' was not found in classpath.");
        log.error(e);
    }

    try {
        if (authClass != null) {
            // try to instantiate the Authenticator implementation
            auth = (Authenticator) authClass.newInstance();
        } else {
            log.error("Could not load " + className + " authClass is null");
        }
    } catch (Exception e) {
        log.error("Exception while attempting to instantiate the implementation of Authenticator: " + className
                + "\n" + e.getMessage());
        log.error(e);
    }

    return auth;
}

From source file:com.inamik.template.util.ClassLoaderUtil.java

/**
 * createNewInstance - Create a new instance of the specified class.
 * <p>//from   www.j a va2 s  .  co m
 * This method first tries to create the new instance using the standard
 * class loader.  If that fails, it then tries using the local class
 * loader.
 *
 * @param className The name of the class to instantiate.
 * @return New instance of the specified class, or null if the class could
 *         not be found or instantiated.
 *
 * @see #getStandardClassLoader()
 * @see #getLocalClassLoader()
 */
public static Object createNewInstance(final String className) {
    if (className == null) {
        throw new NullPointerException("className");
    }

    Class clazz;

    Object newInstance;

    try {
        clazz = Class.forName(className, true, getStandardClassLoader());
    } catch (ClassNotFoundException e) {
        try {
            clazz = Class.forName(className, true, getLocalClassLoader());
        } catch (ClassNotFoundException ex) {
            if (LOG.isWarnEnabled())
                LOG.warn("Unable to find class '" + className + "'");

            return null;
        }
    }

    try {
        newInstance = clazz.newInstance();
    } catch (IllegalAccessException e) {
        if (LOG.isWarnEnabled())
            LOG.warn("Unable to load class '" + className + "'. Cause was " + e.getMessage(), e);

        return null;
    } catch (InstantiationException e) {
        if (LOG.isWarnEnabled())
            LOG.warn("Unable to load class '" + className + "'. Cause was " + e.getMessage(), e);

        return null;
    }

    return newInstance;
}