GrepCode: java.lang.InstantiationException (.java) - Class

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java.lang.InstantiationException

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1. Why am I having this InstantiationException in Java when accessing final local variables?

I was playing with some code to make a "closure like" construct ( not working btw ) Everything looked fine but when I tried to access a final local variable in the code, the exception InstantiationException is thrown. If I remove the access to the local variable either by removing it altogether or by making it class attribute instead, no exception happens. The doc says: InstantiationExcep...

2. Exception other than RuntimeException

Is there any possibility of exceptions to occur other than RuntimeException in Java? Thanks.

3. Spring strange behaviour

I have a class X, which has 2 constructors. One constructor accepts single argument of type String, other constructor accepts single argument of a type Y. Now when I try to instansiate class X from spring using constructor-args and passing it value of type java.lang.String I get Instantiation Exception. What can be cause for this?

4. JAVA OSGi: InstantiationException with Declarative Services

I'm new to OSGi and am building a first DS-implementation. Everything is coded according to "the book" but when running I get this error: java.lang.InstantiationException: com.mine.logger.internal.udp.UdpListener at java.lang.Class.newInstance0(Unknown Source) at java.lang.Class.newInstance(Unknown Source) at org.eclipse.equinox.internal.ds.model.ServiceComponent.createInstance(ServiceCompone...

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 /*
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  * Copyright 1995-2005 Sun Microsystems, Inc.  All Rights Reserved.
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  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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  *
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  * This code is free software; you can redistribute it and/or modify it
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  * under the terms of the GNU General Public License version 2 only, as
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  * published by the Free Software Foundation.  Sun designates this
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  * particular file as subject to the "Classpath" exception as provided
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  * by Sun in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * have any questions.
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 */
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package java.lang;

 Thrown when an application tries to create an instance of a class
 using the newInstance method in class
 Class, but the specified class object cannot be
 instantiated.  The instantiation can fail for a variety of
 reasons including but not limited to:

  the class object represents an abstract class, an interface,
      an array class, a primitive type, or void
 
 the class has no nullary constructor
 Author(s):unascribed Since:JDK1.0 See also:Class.newInstance()
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public
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class InstantiationException extends Exception {
    
 Constructs an InstantiationException with no detail message.
 
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    public InstantiationException() {
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        super();
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    }

    
 Constructs an InstantiationException with the
 specified detail message.

 
 Parameters:s   the detail message.
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    public InstantiationException(String s) {
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        super(s);
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    }
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}