Example usage for java.lang ClassNotFoundException printStackTrace

Introduction

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

Prototype

public void printStackTrace()

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:Main.java

public static void main(String[] args) {

    try {//from   ww  w . j  av  a2  s  .  c o  m
        DataFlavor df1 = new DataFlavor("text/plain; charset=ASCII");
    } catch (ClassNotFoundException e) {
        // TODO Auto-generated catch block
        e.printStackTrace();
    }

}

From source file:Main.java

public static void main(String... args) {
    String argType = (args.length == 0 ? "" : args[0]);
    try {//  ww w. ja  v a 2s .  co  m
        Class<?> c = Class.forName("Main");
        if ("".equals(argType)) {
            // IllegalArgumentException: wrong number of arguments
            Object o = c.getConstructor().newInstance("foo");
        } else if ("int".equals(argType)) {
            // NoSuchMethodException - looking for int, have Integer
            Object o = c.getConstructor(int.class);
        } else if ("Object".equals(argType)) {
            // newInstance() does not perform method resolution
            Object o = c.getConstructor(Object.class).newInstance("foo");
        } else {
            assert false;
        }

        // production code should handle these exceptions more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    } catch (NoSuchMethodException x) {
        x.printStackTrace();
    } catch (InvocationTargetException x) {
        x.printStackTrace();
    } catch (InstantiationException x) {
        x.printStackTrace();
    } catch (IllegalAccessException x) {
        x.printStackTrace();
    }
}

From source file:InheritedMethods.java

public static void main(String... args) {
    try {// w  w w  .j ava2  s. com
        Class<?> c = Class.forName(args[0]);
        printMethods(c);

        Class parent = c.getSuperclass();
        while (parent != null) {
            printMethods(parent);
            parent = parent.getSuperclass();
        }

        // production code should handle this exception more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}

From source file:org.openiot.gsn.http.rest.RemoteWrapperHttpClient.java

public static void main(String[] args) throws ClientProtocolException, IOException, ClassNotFoundException {

    DefaultHttpClient httpclient = new DefaultHttpClient();
    final String url = "select * from localsystemtime where timed > 10/10";

    HttpGet httpget = new HttpGet(
            "http://localhost:22001/streaming/" + URLEncoder.encode(url, "UTF-8") + "/12345");
    HttpResponse response = httpclient.execute(httpget);

    ObjectInputStream out = (StreamElement4Rest.getXstream())
            .createObjectInputStream((response.getEntity().getContent()));
    DataField[] structure = (DataField[]) out.readObject();
    StreamElement4Rest se = null;/*w  w w.j  ava  2 s. com*/
    try {
        while ((se = (StreamElement4Rest) out.readObject()) != null) {
            System.out.println(se.toStreamElement());
        }
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }

}

From source file:ArrayFind.java

public static void main(String... args) {
    boolean found = false;
    try {/* w w  w .j ava2 s .  c  o m*/
        Class<?> cls = Class.forName(args[0]);
        Field[] flds = cls.getDeclaredFields();
        for (Field f : flds) {
            Class<?> c = f.getType();
            if (c.isArray()) {
                found = true;
                out.format(
                        "%s%n" + "           Field: %s%n" + "            Type: %s%n" + "  Component Type: %s%n",
                        f, f.getName(), c, c.getComponentType());
            }
        }
        if (!found) {
            out.format("No array fields%n");
        }

        // production code should handle this exception more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}

From source file:MethodSpy.java

public static void main(String... args) {
    try {// w  w  w .  ja va2 s  . co m
        Class<?> c = Class.forName(args[0]);
        Method[] allMethods = c.getDeclaredMethods();
        for (Method m : allMethods) {
            if (!m.getName().equals(args[1])) {
                continue;
            }
            out.format("%s%n", m.toGenericString());

            out.format(fmt, "ReturnType", m.getReturnType());
            out.format(fmt, "GenericReturnType", m.getGenericReturnType());

        }

        // production code should handle these exceptions more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}

From source file:JavaDBDemo.java

public static void main(String[] args) {
    String driver = "org.apache.derby.jdbc.EmbeddedDriver";
    String connectionURL = "jdbc:derby:myDatabase;create=true";
    String createString = "CREATE TABLE Employee (NAME VARCHAR(32) NOT NULL, ADDRESS VARCHAR(50) NOT NULL)";
    try {//from ww w.  j  a va  2s .  c o m
        Class.forName(driver);
    } catch (java.lang.ClassNotFoundException e) {
        e.printStackTrace();
    }
    try {
        conn = DriverManager.getConnection(connectionURL);
        Statement stmt = conn.createStatement();
        stmt.executeUpdate(createString);

        PreparedStatement psInsert = conn.prepareStatement("insert into Employee values (?,?)");

        psInsert.setString(1, args[0]);
        psInsert.setString(2, args[1]);

        psInsert.executeUpdate();

        Statement stmt2 = conn.createStatement();
        ResultSet rs = stmt2.executeQuery("select * from Employee");
        int num = 0;
        while (rs.next()) {
            System.out.println(++num + ": Name: " + rs.getString(1) + "\n Address" + rs.getString(2));
        }
        rs.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
}

From source file:ConstructorTroubleToo.java

public static void main(String... args) {
    try {/*from w  w  w .j  ava  2 s  .  c om*/
        Class<?> c = Class.forName("ConstructorTroubleToo");
        // Method propagetes any exception thrown by the constructor (including checked exceptions).
        if (args.length > 0 && args[0].equals("class")) {
            Object o = c.newInstance();
        } else {
            Object o = c.getConstructor().newInstance();
        }

        // production code should handle these exceptions more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    } catch (InstantiationException x) {
        x.printStackTrace();
    } catch (IllegalAccessException x) {
        x.printStackTrace();
    } catch (NoSuchMethodException x) {
        x.printStackTrace();
    } catch (InvocationTargetException x) {
        x.printStackTrace();
        err.format("%n%nCaught exception: %s%n", x.getCause());
    }
}

From source file:ConstructorAccess.java

public static void main(String... args) {
    try {/* w w w  .  j  a v a2 s. c  om*/
        Class<?> c = Class.forName(args[0]);
        Constructor[] allConstructors = c.getDeclaredConstructors();
        for (Constructor ctor : allConstructors) {
            int searchMod = modifierFromString(args[1]);
            int mods = accessModifiers(ctor.getModifiers());
            if (searchMod == mods) {
                out.format("%s%n", ctor.toGenericString());
                out.format("  [ synthetic=%-5b var_args=%-5b ]%n", ctor.isSynthetic(), ctor.isVarArgs());
            }
        }

        // production code should handle this exception more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}

From source file:ConstructorSift.java

public static void main(String... args) {
    try {//from   ww  w .ja  v a  2 s. com
        Class<?> cArg = Class.forName(args[1]);

        Class<?> c = Class.forName(args[0]);
        Constructor[] allConstructors = c.getDeclaredConstructors();
        for (Constructor ctor : allConstructors) {
            Class<?>[] pType = ctor.getParameterTypes();
            for (int i = 0; i < pType.length; i++) {
                if (pType[i].equals(cArg)) {
                    out.format("%s%n", ctor.toGenericString());

                    Type[] gpType = ctor.getGenericParameterTypes();
                    for (int j = 0; j < gpType.length; j++) {
                        char ch = (pType[j].equals(cArg) ? '*' : ' ');
                        out.format("%7c%s[%d]: %s%n", ch, "GenericParameterType", j, gpType[j]);
                    }
                    break;
                }
            }
        }

        // production code should handle this exception more gracefully
    } catch (ClassNotFoundException x) {
        x.printStackTrace();
    }
}