Example usage for java.lang ClassNotFoundException getMessage

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:com.aurel.track.fieldType.types.FieldType.java

/**
 * Get the FieldType by class name//from w  w  w .j av  a  2 s  .c  om
 * @param fieldTypeClassName
 * @return
 */
public static FieldType fieldTypeFactory(String fieldTypeClassName) {
    Class fieldTypeClass = null;
    if (fieldTypeClassName == null) {
        LOGGER.warn("No fieldType specified ");
        return null;
    }
    try {
        fieldTypeClass = Class.forName(fieldTypeClassName);
    } catch (ClassNotFoundException e) {
        LOGGER.warn("The fieldType class " + fieldTypeClassName + "  not found found in the classpath "
                + e.getMessage());
        LOGGER.debug(ExceptionUtils.getStackTrace(e));
    }
    if (fieldTypeClass != null)
        try {
            return (FieldType) fieldTypeClass.newInstance();
        } catch (Exception e) {
            LOGGER.warn("Instantiating the fieldType class " + fieldTypeClassName + "  failed with "
                    + e.getMessage());
            LOGGER.debug(ExceptionUtils.getStackTrace(e));
        }
    return null;
}

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From source file:com.sketchy.server.ServletAction.java

public static synchronized ServletAction getInstance(String servletActionClassName) throws Exception {
    try {/*from   ww  w.j a v  a 2s.  c  o m*/
        ServletAction servletAction = instanceMap.get(servletActionClassName);
        if (servletAction == null) {
            servletAction = (ServletAction) Class.forName(servletActionClassName).newInstance();

            instanceMap.put(servletActionClassName, servletAction);
        }
        return servletAction;
    } catch (ClassNotFoundException e) {
        throw e;
    } catch (Exception e) {
        throw new Exception("Error creating ServletAction Instance for class '" + servletActionClassName + "'! "
                + e.getMessage());
    }
}

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From source file:com.sun.portal.os.portlets.PortletChartUtilities.java

private static Connection getDatabaseConnection(ResourceRequest request)
        throws SQLException, NoPreferredDbSetException {
    PortletPreferences prefs = request.getPreferences();

    if (prefs == null)
        throw new NoPreferredDbSetException("No Preferences Set.. Don't know what DB to connect to");

    String driverUrl = prefs.getValue(Constants.PREF_JDBC_DRIVER_URL, JDBC_URL);
    String driverClass = prefs.getValue(Constants.PREF_JDBC_DRIVER_CLASS, MYSQL_JDBC_DRIVER);

    debugMessage("Driver Class: " + driverClass);
    debugMessage("Driver URL : " + driverUrl);

    try {//from   w  w  w  .  j  a  v a 2  s  .  c  o  m
        Class.forName(driverClass);
    } catch (ClassNotFoundException e) {
        System.err.print("ClassNotFoundException: ");
        System.err.println(e.getMessage());
    }
    return DriverManager.getConnection(driverUrl);
}

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From source file:Operacional.Janela2.java

static Class class$(String s) {
    try {//w  ww. j a va2s.  co m
        return Class.forName(s);
    } catch (ClassNotFoundException e) {
        // TODO Auto-generated catch block   
        e.printStackTrace();
    }
    ClassNotFoundException classnotfoundexception = null;
    throw new NoClassDefFoundError(classnotfoundexception.getMessage());
}

---

From source file:org.apache.tajo.util.ClassUtil.java

private static void findClasses(Set<Class> matchedClassSet, File root, File file, boolean includeJars,
        @Nullable Class type, String packageFilter, @Nullable Predicate predicate) {
    if (file.isDirectory()) {
        for (File child : file.listFiles()) {
            findClasses(matchedClassSet, root, child, includeJars, type, packageFilter, predicate);
        }//  ww  w.  j  av  a 2s.c om
    } else {
        if (file.getName().toLowerCase().endsWith(".jar") && includeJars) {
            JarFile jar = null;
            try {
                jar = new JarFile(file);
            } catch (Exception ex) {
                LOG.error(ex.getMessage(), ex);
                return;
            }
            Enumeration<JarEntry> entries = jar.entries();
            while (entries.hasMoreElements()) {
                JarEntry entry = entries.nextElement();
                String name = entry.getName();
                int extIndex = name.lastIndexOf(".class");
                if (extIndex > 0) {
                    String qualifiedClassName = name.substring(0, extIndex).replace("/", ".");
                    if (qualifiedClassName.indexOf(packageFilter) >= 0 && !isTestClass(qualifiedClassName)) {
                        try {
                            Class clazz = Class.forName(qualifiedClassName);

                            if (isMatched(clazz, type, predicate)) {
                                matchedClassSet.add(clazz);
                            }
                        } catch (ClassNotFoundException e) {
                            LOG.error(e.getMessage(), e);
                        }
                    }
                }
            }

            try {
                jar.close();
            } catch (IOException e) {
                LOG.warn("Closing " + file.getName() + " was failed.");
            }
        } else if (file.getName().toLowerCase().endsWith(".class")) {
            String qualifiedClassName = createClassName(root, file);
            if (qualifiedClassName.indexOf(packageFilter) >= 0 && !isTestClass(qualifiedClassName)) {
                try {
                    Class clazz = Class.forName(qualifiedClassName);
                    if (isMatched(clazz, type, predicate)) {
                        matchedClassSet.add(clazz);
                    }
                } catch (ClassNotFoundException e) {
                    LOG.error(e.getMessage(), e);
                }
            }
        }
    }
}

---

From source file:de.betterform.xml.xforms.CustomElementFactory.java

/**
 * Loads the configuration for custom elements.
 * /*from   ww  w  .  j a  va2 s .co m*/
 * @return A Map where the keys are in the format namespace-uri:element-name
 *         and the value is the reference to the class that implements the
 *         custom element, or an empty map if the configuration could not be
 *         loaded for some reason.
 */
private static Map getCustomElementsConfig() {

    try {
        Map elementClassNames = Config.getInstance().getCustomElements();
        Map elementClassRefs = new HashMap(elementClassNames.size());

        Iterator itr = elementClassNames.entrySet().iterator();

        //converts class names into the class references
        while (itr.hasNext()) {

            Map.Entry entry = (Entry) itr.next();

            String key = (String) entry.getKey();
            String className = (String) entry.getValue();
            Class classRef = Class.forName(className, true, CustomElementFactory.class.getClassLoader());

            elementClassRefs.put(key, classRef);
        }

        //return the configuration
        return elementClassRefs;

    } catch (XFormsConfigException xfce) {
        LOGGER.error("could not load custom-elements config: " + xfce.getMessage());

    } catch (ClassNotFoundException cnfe) {
        LOGGER.error("class configured for custom-element not found: " + cnfe.getMessage());
    }

    //returns an empty map (no custom elements)
    return Collections.EMPTY_MAP;
}

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From source file:com.bluexml.side.build.tools.graph.jung.algorithms.GraphFilter.java

public static boolean testClassName(Object o, String name) {
    Class<?> forName;/*from  www.j  a  v  a2s. c o  m*/
    try {
        forName = Class.forName("com.bluexml.side.build.tools.componants." + name);
        return forName.isInstance(o);
    } catch (ClassNotFoundException e) {
        logger.error(e.getMessage(), e);
    }
    return false;
}

---

From source file:edumsg.core.PostgresConnection.java

public static void initSource() {
    try {/*from w  w w .j  a va2s.c  om*/
        try {
            Class.forName("org.postgresql.Driver");
        } catch (ClassNotFoundException ex) {
            LOGGER.log(Level.SEVERE, "Error loading Postgres driver: " + ex.getMessage(), ex);
        }
        try {
            readConfFile();
        } catch (Exception e) {
            e.printStackTrace();
        }
        Properties props = new Properties();
        //  System.out.println(DB_USERNAME);
        props.setProperty("user", DB_USERNAME);
        props.setProperty("password", DB_PASSWORD);
        props.setProperty("initialSize", DB_INIT_CONNECTIONS);
        props.setProperty("maxActive", DB_MAX_CONNECTIONS);

        ConnectionFactory connectionFactory = new DriverManagerConnectionFactory(DB_URL, props);
        PoolableConnectionFactory poolableConnectionFactory = new PoolableConnectionFactory(connectionFactory,
                null);
        poolableConnectionFactory.setPoolStatements(true);

        GenericObjectPoolConfig poolConfig = new GenericObjectPoolConfig();
        poolConfig.setMaxIdle(Integer.parseInt(DB_INIT_CONNECTIONS));
        poolConfig.setMaxTotal(Integer.parseInt(DB_MAX_CONNECTIONS));
        ObjectPool<PoolableConnection> connectionPool = new GenericObjectPool<>(poolableConnectionFactory,
                poolConfig);
        poolableConnectionFactory.setPool(connectionPool);

        Class.forName("org.apache.commons.dbcp2.PoolingDriver");
        dbDriver = (PoolingDriver) DriverManager.getDriver("jdbc:apache:commons:dbcp:");
        dbDriver.registerPool(DB_NAME, connectionPool);

        dataSource = new PoolingDataSource<>(connectionPool);
    } catch (Exception ex) {
        LOGGER.log(Level.SEVERE, "Got error initializing data source: " + ex.getMessage(), ex);
    }
}

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From source file:org.alfresco.web.bean.wcm.AVMWorkflowUtil.java

/**
 * Deserialize the default workflow params from a content stream
 * /*from  ww w.ja  v  a2 s .c o m*/
 * @param workflowRef        The noderef to write the property too
 * 
 * @return Serializable workflow params
 */
public static Serializable deserializeWorkflowParams(NodeRef workflowRef) {
    try {
        // restore the serialized Map from a binary content stream - like database blob!
        Serializable params = null;
        ContentService cs = Repository.getServiceRegistry(FacesContext.getCurrentInstance())
                .getContentService();
        ContentReader reader = cs.getReader(workflowRef, WCMAppModel.PROP_WORKFLOW_DEFAULT_PROPERTIES);
        if (reader != null) {
            ObjectInputStream ois = new ObjectInputStream(reader.getContentInputStream());
            params = (Serializable) ois.readObject();
            ois.close();
        }
        return params;
    } catch (IOException ioErr) {
        throw new AlfrescoRuntimeException(
                "Unable to deserialize workflow default parameters: " + ioErr.getMessage());
    } catch (ClassNotFoundException classErr) {
        throw new AlfrescoRuntimeException(
                "Unable to deserialize workflow default parameters: " + classErr.getMessage());
    }
}

---

From source file:info.magnolia.objectfactory.Classes.java

/**
 * Convenience/shortcut for {@link #newInstance(String, Object...)}, returning null both in case
 * of a ClassNotFoundException or if the class could not be instantiated.
 * (which could be related to the parameters, etc)
 *//*from  w w w . ja v a2  s. c o m*/
public static <T> T quietNewInstance(String className, Object... params) {
    try {
        return Classes.<T>newInstance(className, params);
    } catch (ClassNotFoundException e) {
        log.warn("Couldn't find class with name {}", className);
        return null;
    } catch (MgnlInstantiationException e) {
        log.warn("Couldn't instantiate {}: {}", className, e.getMessage());
        return null;
    }
}

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