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:cn.lhfei.hadoop.ch04.PooledStreamCompressor.java

/**
 * use case: //  w  w w  .j  a  va  2  s .  c o m
 * 
 * @param args
 */
public static void main(String[] args) {
    String codecClassname = args[0];
    Class<?> codecClass = null;
    CompressionOutputStream out = null;
    Compressor compressor = null;
    try {
        codecClass = Class.forName(codecClassname);
        Configuration conf = new Configuration();
        CompressionCodec codec = (CompressionCodec) ReflectionUtils.newInstance(codecClass, conf);
        compressor = CodecPool.getCompressor(codec);

        out = codec.createOutputStream(System.out, compressor);

        IOUtils.copyBytes(System.in, out, 4096, false);

        out.finish();

    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        CodecPool.returnCompressor(compressor);
    }
}

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From source file:com.hangum.tadpole.engine.procedure.OracleProcedure.java

/**
 * @param args/*from  ww w  .  j  a v  a 2  s.c o m*/
 */
public static void main(String[] args) {

    String strQuery = "CREATE OR REPLACE PROCEDURE procOneINOUTParameter(genericParam IN OUT VARCHAR2) "
            + " IS " + "      BEGIN "
            + "        genericParam := 'Hello World INOUT parameter ' || genericParam; " + "      END;";

    Connection conn = null;
    Statement stmt = null;
    try {
        Class.forName("oracle.jdbc.driver.OracleDriver");
        conn = DriverManager.getConnection("jdbc:oracle:thin:@192.168.32.128:1521:XE", "HR", "tadpole");

        stmt = conn.createStatement();
        int code = stmt.executeUpdate(strQuery);
        System.out.println("[result]" + code);

    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    } catch (SQLException e) {
        e.printStackTrace();
    } finally {
        try {
            if (stmt != null)
                stmt.close();
            if (conn != null)
                conn.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

}

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From source file:MethodSpy.java

public static void main(String... args) {
    try {//from   ww  w  .  ja va2 s .  c  o 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());

            Class<?>[] pType = m.getParameterTypes();
            Type[] gpType = m.getGenericParameterTypes();
            for (int i = 0; i < pType.length; i++) {
                out.format(fmt, "ParameterType", pType[i]);
                out.format(fmt, "GenericParameterType", gpType[i]);
            }

        }

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

---

From source file:ConstructorTroubleAgain.java

public static void main(String... args) {
    String argType = (args.length == 0 ? "" : args[0]);
    try {/*from   w ww .jav a  2 s.co m*/
        Class<?> c = Class.forName("ConstructorTroubleAgain");
        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:com.predic8.membrane.core.RouterCLI.java

public static void main(String[] args) throws ParseException {

    MembraneCommandLine cl = new MembraneCommandLine();
    cl.parse(args);//from   w w  w. j  a v  a2 s .co m
    if (cl.needHelp()) {
        cl.printUsage();
        return;
    }

    try {
        Router.init(getConfigFile(cl), RouterCLI.class.getClassLoader()).getConfigurationManager()
                .loadConfiguration(getRulesFile(cl));
        //System.out.println("preloading cache...");
        //ApplicationCachePreLoader.init();
    } catch (ClassNotFoundException e) {

        e.printStackTrace();

    } catch (PortOccupiedException e) {
        System.err.println(e.getMessage());
        System.exit(1);
    } catch (Exception ex) {
        ex.printStackTrace();
        System.err.println(
                "Could not read rules configuration. Please specify a file containing rules using the -c command line option. Or make sure that the file "
                        + System.getenv("MEMBRANE_HOME") + "/conf/rules.xml exists");
        System.exit(1);
    }

    new RouterCLI().waitForever();

}

---

From source file:gov.nih.nci.cabig.caaers.tools.ObjectDump.java

public static void main(String[] args) {
    ObjectDump target = new ObjectDump();

    Class cls = null;//from   ww w . j  av  a  2  s. co  m
    Field[] fields;

    try {
        cls = Class.forName(target.getClass().getName());
    } catch (ClassNotFoundException e) {
        e.printStackTrace();
    }

    write("Class: " + target.getClass().getName() + "\n");
    fields = cls.getFields();

    for (int i = 0; i < fields.length; i++) {
        Field field = fields[i];
        write("\tfield[" + (i + 1) + "]: " + field.getName() + "\r\n");

        Type type = field.getType();
        write(type.toString());
    }

}

---

From source file:ArrayCreator.java

public static void main(String... args) {
    Matcher m = p.matcher(s);/*from   w ww.j  a v a2s.c om*/

    if (m.find()) {
        String cName = m.group(1);
        String[] cVals = m.group(2).split("[\\s,]+");
        int n = cVals.length;

        try {
            Class<?> c = Class.forName(cName);
            Object o = Array.newInstance(c, n);
            for (int i = 0; i < n; i++) {
                String v = cVals[i];
                Constructor ctor = c.getConstructor(String.class);
                Object val = ctor.newInstance(v);
                Array.set(o, i, val);
            }

            Object[] oo = (Object[]) o;
            out.format("%s[] = %s%n", cName, Arrays.toString(oo));

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

---

From source file:Spy.java

public static void main(String... args) {
    try {/* w  w  w .  ja v  a 2s. c  o m*/
        Class<?> c = Class.forName(args[0]);
        int searchMods = 0x0;
        for (int i = 1; i < args.length; i++) {
            searchMods |= modifierFromString(args[i]);
        }

        Field[] flds = c.getDeclaredFields();
        out.format("Fields in Class '%s' containing modifiers:  %s%n", c.getName(),
                Modifier.toString(searchMods));
        boolean found = false;
        for (Field f : flds) {
            int foundMods = f.getModifiers();
            // Require all of the requested modifiers to be present
            if ((foundMods & searchMods) == searchMods) {
                out.format("%-8s [ synthetic=%-5b enum_constant=%-5b ]%n", f.getName(), f.isSynthetic(),
                        f.isEnumConstant());
                found = true;
            }
        }

        if (!found) {
            out.format("No matching fields%n");
        }

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

---

From source file:EnumSpy.java

public static void main(String... args) {
    try {//  w w w  .  ja v a 2s. co  m
        Class<?> c = Class.forName(args[0]);
        if (!c.isEnum()) {
            out.format("%s is not an enum type%n", c);
            return;
        }
        out.format("Class:  %s%n", c);

        Field[] flds = c.getDeclaredFields();
        List<Field> cst = new ArrayList<Field>(); // enum constants
        List<Field> mbr = new ArrayList<Field>(); // member fields
        for (Field f : flds) {
            if (f.isEnumConstant())
                cst.add(f);
            else
                mbr.add(f);
        }
        if (!cst.isEmpty())
            print(cst, "Constant");
        if (!mbr.isEmpty())
            print(mbr, "Field");

        Constructor[] ctors = c.getDeclaredConstructors();
        for (Constructor ctor : ctors) {
            out.format(fmt, "Constructor", ctor.toGenericString(), synthetic(ctor));
        }

        Method[] mths = c.getDeclaredMethods();
        for (Method m : mths) {
            out.format(fmt, "Method", m.toGenericString(), synthetic(m));
        }

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

---

From source file:Employee.java

public static void main(String[] args) {
    Employee e = null;/*w ww .j  a v a  2s . c  om*/
    try {
        FileInputStream fileIn = new FileInputStream("employee.ser");
        ObjectInputStream in = new ObjectInputStream(fileIn);
        e = (Employee) in.readObject();
        in.close();
        fileIn.close();
    } catch (IOException i) {
        i.printStackTrace();
        return;
    } catch (ClassNotFoundException c) {
        System.out.println("Employee class not found");
        c.printStackTrace();
        return;
    }
    System.out.println("Name: " + e.name);
    System.out.println("Address: " + e.address);
    System.out.println("SSN: " + e.SSN);
    System.out.println("Number: " + e.number);
}

---

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