Example usage for java.lang ClassNotFoundException ClassNotFoundException

Introduction

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

Prototype

public ClassNotFoundException(String s) 

Source Link

Document

Constructs a ClassNotFoundException with the specified detail message.

Usage

From source file:org.mule.module.launcher.application.CompositeApplicationClassLoader.java

protected Class<?> loadClass(ClassLoader classLoader, String s, boolean b) throws ClassNotFoundException {
    try {/*from   w  w w  .j a  va 2  s. c  om*/
        Method loadClassMethod = findDeclaredMethod(classLoader, "loadClass", String.class, boolean.class);

        return (Class<?>) loadClassMethod.invoke(classLoader, s, b);
    } catch (Exception e) {
        if (logger.isDebugEnabled()) {
            logger.debug(String.format("Error loading class '%s' from classloader '%s'", s, classLoader), e);
        }
    }

    throw new ClassNotFoundException(String.format("Cannot load class '%s'", s));
}

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From source file:org.atricore.idbus.kernel.common.support.osgi.OsgiBundlespaceClassLoader.java

@Override
protected Class<?> findClass(String name) throws ClassNotFoundException {

    Map<Bundle, OsgiBundleClassLoader> bundleClassLoaders = getBundleClassLoaders();

    for (Bundle bundle : getBundles()) {

        if (canLoadResources(bundle)) {

            if (getPrioritizedBundles().contains(bundle) || containsClassPackage(bundle, name)) {
                try {
                    return bundleClassLoaders.get(bundle).loadClass(name);
                } catch (ClassNotFoundException ex) {
                    /// Continue searching in the next bundle.
                } catch (Throwable ex) {
                    /// Catch any other exceptions which could be thrown by a bundle loading a class.
                }//  w  ww. jav  a 2  s .  c  o  m
            }
        }
    }

    if (getSupportingClassLoader() != null) {
        return getSupportingClassLoader().loadClass(name);
    } else {
        throw new ClassNotFoundException(
                String.format("Class '%s' could not be load from %s", name, getClass().getSimpleName()));
    }
}

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From source file:com.blackberry.bdp.test.utils.LocalZkServer.java

public LocalZkServer()
        throws InstantiationException, IllegalAccessException, SecurityException, NoSuchMethodException,
        IllegalArgumentException, InvocationTargetException, ClassNotFoundException, IOException {
    String dataDirectory = System.getProperty("java.io.tmpdir");

    dir = new File(dataDirectory, "zookeeper").getAbsoluteFile();

    while (dir.exists()) {
        LOG.info("deleting {}", dir);
        FileUtils.deleteDirectory(dir);/*from w w w .j  a  v  a2 s  .c  om*/
    }

    server = new ZooKeeperServer(dir, dir, tickTime);

    // The class that we need changed name between CDH3 and CDH4, so let's check
    // for the right version here.
    try {
        factoryClass = Class.forName("org.apache.zookeeper.server.NIOServerCnxnFactory");

        standaloneServerFactory = factoryClass.newInstance();
        Method configure = factoryClass.getMethod("configure", InetSocketAddress.class, Integer.TYPE);
        configure.invoke(standaloneServerFactory, new InetSocketAddress(clientPort), numConnections);
        Method startup = factoryClass.getMethod("startup", ZooKeeperServer.class);
        startup.invoke(standaloneServerFactory, server);

    } catch (ClassNotFoundException e) {
        LOG.info("Did not find NIOServerCnxnFactory");
        try {
            factoryClass = Class.forName("org.apache.zookeeper.server.NIOServerCnxn$Factory");

            Constructor<?> constructor = factoryClass.getConstructor(InetSocketAddress.class, Integer.TYPE);
            standaloneServerFactory = constructor.newInstance(new InetSocketAddress(clientPort),
                    numConnections);
            Method startup = factoryClass.getMethod("startup", ZooKeeperServer.class);
            startup.invoke(standaloneServerFactory, server);

        } catch (ClassNotFoundException e1) {
            LOG.info("Did not find NIOServerCnxn.Factory");
            throw new ClassNotFoundException("Can't find NIOServerCnxnFactory or NIOServerCnxn.Factory");
        }
    }
}

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From source file:com.blackberry.bdp.common.versioned.LocalZkServer.java

public LocalZkServer()
        throws InstantiationException, IllegalAccessException, SecurityException, NoSuchMethodException,
        IllegalArgumentException, InvocationTargetException, ClassNotFoundException, IOException {
    String dataDirectory = System.getProperty("java.io.tmpdir");

    dir = new File(dataDirectory, "zookeeper").getAbsoluteFile();

    while (dir.exists()) {
        LOG.info("deleting {}", dir);
        FileUtils.deleteDirectory(dir);/*from w  w w  .  j  av a 2  s.c  o m*/
    }

    server = new ZooKeeperServer(dir, dir, tickTime);

    // The class that we need changed name between CDH3 and CDH4, so let's
    // check
    // for the right version here.
    try {
        factoryClass = Class.forName("org.apache.zookeeper.server.NIOServerCnxnFactory");

        standaloneServerFactory = factoryClass.newInstance();
        Method configure = factoryClass.getMethod("configure", InetSocketAddress.class, Integer.TYPE);
        configure.invoke(standaloneServerFactory, new InetSocketAddress(clientPort), numConnections);
        Method startup = factoryClass.getMethod("startup", ZooKeeperServer.class);
        startup.invoke(standaloneServerFactory, server);

    } catch (ClassNotFoundException e) {
        LOG.info("Did not find NIOServerCnxnFactory");
        try {
            factoryClass = Class.forName("org.apache.zookeeper.server.NIOServerCnxn$Factory");

            Constructor<?> constructor = factoryClass.getConstructor(InetSocketAddress.class, Integer.TYPE);
            standaloneServerFactory = constructor.newInstance(new InetSocketAddress(clientPort),
                    numConnections);
            Method startup = factoryClass.getMethod("startup", ZooKeeperServer.class);
            startup.invoke(standaloneServerFactory, server);

        } catch (ClassNotFoundException e1) {
            LOG.info("Did not find NIOServerCnxn.Factory");
            throw new ClassNotFoundException("Can't find NIOServerCnxnFactory or NIOServerCnxn.Factory");
        }
    }
}

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From source file:org.apache.openjpa.jdbc.meta.strats.ClassNameDiscriminatorStrategy.java

public void loadSubclasses(JDBCStore store) throws SQLException, ClassNotFoundException {
    if (isFinal) {
        disc.setSubclassesLoaded(true);/*from  w  ww .  j  av a 2 s. c  om*/
        return;
    }

    Column col = disc.getColumns()[0];
    DBDictionary dict = store.getDBDictionary();
    JDBCFetchConfiguration fetch = store.getFetchConfiguration();
    SQLBuffer select = dict.toSelect(new SQLBuffer(dict).append(col), fetch,
            new SQLBuffer(dict).append(col.getTable()), null, null, null, null, true, false, 0, Long.MAX_VALUE);

    Log log = disc.getMappingRepository().getLog();
    if (log.isTraceEnabled())
        log.trace(_loc.get("load-subs", col.getTable().getFullName()));

    ClassLoader loader = getClassLoader(store);
    Connection conn = store.getConnection();
    PreparedStatement stmnt = null;
    ResultSet rs = null;
    try {
        stmnt = select.prepareStatement(conn);
        dict.setTimeouts(stmnt, fetch, false);
        rs = stmnt.executeQuery();
        String className;
        while (rs.next()) {
            className = dict.getString(rs, 1);
            if (StringUtils.isEmpty(className))
                throw new ClassNotFoundException(
                        _loc.get("no-class-name", disc.getClassMapping(), col).getMessage());
            Class.forName(className, true, loader);
        }
        disc.setSubclassesLoaded(true);
    } finally {
        if (rs != null)
            try {
                rs.close();
            } catch (SQLException se) {
            }
        if (stmnt != null)
            try {
                stmnt.close();
            } catch (SQLException se) {
            }
        try {
            conn.close();
        } catch (SQLException se) {
        }
    }
}

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From source file:org.apache.axis2.deployment.DeploymentClassLoader.java

/**
 * Finds and loads the class with the specified name from the URL search
 * path. Any URLs referring to JAR files are loaded and opened as needed
 * until the class is found.//from w w w  .  j a v  a  2s  .  c  o  m
 *
 * @param name the name of the class
 * @return the resulting class
 * @exception ClassNotFoundException if the class could not be found
 */
protected Class findClass(String name) throws ClassNotFoundException {
    Class clazz;
    try {
        clazz = super.findClass(name);
    } catch (ClassNotFoundException e) {
        byte raw[] = null;
        try {
            String completeFileName = name;
            /**
             * Replacing org.apache. -> org/apache/...
             */
            completeFileName = completeFileName.replace('.', '/').concat(".class");
            raw = getBytes(completeFileName);
        } catch (Exception ex) {
            // Fall through
        }
        if (raw == null) {
            throw new ClassNotFoundException("Class Not found : " + name);
        }
        clazz = defineClass(name, raw, 0, raw.length);
    }
    return clazz;
}

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From source file:org.ws13.vaadin.osgi.dm.app.SpringApplicationServlet.java

/**
 * Get the application class from the bean configured in Spring's context.
 * //from  w w  w.j  a va2s.c  o  m
 * @see AbstractApplicationServlet#getApplicationClass()
 */
@Override
protected Class<? extends Application> getApplicationClass() throws ClassNotFoundException {

    WebApplicationContext wac = WebApplicationContextUtils.getWebApplicationContext(getServletContext());

    if (wac == null) {
        throw new ClassNotFoundException("Cannot get an handle on Spring's context. Is Spring running? "
                + "Check there's an org.springframework.web.context.ContextLoaderListener configured.");
    }
    String[] beanDefinitionNames = wac.getBeanDefinitionNames();
    for (String string : beanDefinitionNames) {
        System.out.println("SpringApplicationServlet.getApplicationClass() " + string);
    }

    Application bean = wac.getBean(name, Application.class);

    if (bean == null) {

        throw new ClassNotFoundException("No application bean found under name " + name);
    }

    return bean.getClass();
}

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From source file:gov.va.vinci.leo.tools.db.LeoDataSource.java

/**
 * Connect to the database./*from   w  w  w  .  ja va  2  s . c om*/
 *
 * @param driver Database driver class
 * @param url    URL for the connection.
 * @param user   Username. If null, the connection is made without using a username and password.
 * @param pwd    Password if needed.
 * @throws ClassNotFoundException  thrown if the JDBC driver cannot be found.
 * @throws SQLException     thrown if there is an exception with the query or result set.
 */
protected void connect(String driver, String url, String user, String pwd)
        throws ClassNotFoundException, SQLException {
    if (DbUtils.loadDriver(driver)) {

        if (!StringUtils.isBlank(user)) {
            this.mConn = DriverManager.getConnection(url, user, pwd);
        } else {
            this.mConn = DriverManager.getConnection(url);
        }
    } else {
        throw new ClassNotFoundException("Driver not found: " + driver);
    }
}

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

/**
 *  Attempts to find a class from a collection of packages.  This will first
 *  attempt to find the class based on just the className parameter, but
 *  should that fail, will iterate through the "packages" -list, prefixes
 *  the package name to the className, and then tries to find the class
 *  again./*from   ww  w  . j a va2  s. c o  m*/
 *
 * @param packages A List of Strings, containing different package names.
 *  @param className The name of the class to find.
 * @return The class, if it was found.
 *  @throws ClassNotFoundException if this particular class cannot be found
 *          from the list.
 */
public static Class<?> findClass(List<String> packages, List<String> externaljars, String className)
        throws ClassNotFoundException {
    if (!classLoaderSetup) {
        loader = setupClassLoader(externaljars);
    }

    try {
        return loader.loadClass(className);
    } catch (ClassNotFoundException e) {
        for (Iterator<String> i = packages.iterator(); i.hasNext();) {
            String packageName = i.next();
            try {
                return loader.loadClass(packageName + "." + className);
            } catch (ClassNotFoundException ex) {
                // This is okay, we go to the next package.
            }
        }

    }

    throw new ClassNotFoundException("Class '" + className + "' not found in search path!");
}

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From source file:com.liferay.arkadiko.bean.AKBeanDefinition.java

/**
 * Resolve bean class./*from  w ww. ja  v  a  2 s.  c  o  m*/
 *
 * @param classLoader the class loader
 * @return the class
 * @throws ClassNotFoundException the class not found exception
 */
@Override
public Class resolveBeanClass(ClassLoader classLoader) throws ClassNotFoundException {

    Object proxy = getProxy();

    if (proxy == null) {
        throw new ClassNotFoundException(getBeanClassName());
    }

    return proxy.getClass();
}

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