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POConverting object to byte array throws NotSerializableException
 

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  1. POConverting object to byte array throws NotSerializableException
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    <p>My code below throws java.io.NotSerializableException. Why? Thanks!</p> <pre><code>private void test3() { Element3 element3=new Element3(); ObjectToBytes3(element3); } private class Element3 implements Serializable{ int code=0; } //----------------------------------- private void ObjectToBytes3(Element3 elem){ ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream out = null; try { out = new ObjectOutputStream(bos); out.writeObject(elem); byte[] myBytes = bos.toByteArray(); } catch (Exception e) {myPrint("exception",e.toString());} finally { try{ out.flush(); out.close(); bos.close(); } catch (Exception e) {} } } </code></pre> <p>The output and stack is as follows: 2674,25 ObjToBytes: 2674,32 exception: java.io.NotSerializableException: java.util.concurrent.ThreadPoolExecutor stack= java.io.NotSerializableException: java.util.concurrent.ThreadPoolExecutor at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1164) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158) at java.io.ObjectOutputStream.defaultWriteFields(ObjectOutputStream.java:1518) at java.io.ObjectOutputStream.writeSerialData(ObjectOutputStream.java:1483) at java.io.ObjectOutputStream.writeOrdinaryObject(ObjectOutputStream.java:1400) at java.io.ObjectOutputStream.writeObject0(ObjectOutputStream.java:1158) at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:330)</p> <hr> <p>It's fun, but the code below works okay</p> <pre><code>================================ class My implements Serializable{ byte a=1; int b=88; String s="ggg"; private My(byte a1, int b1,String s1) { a=a1; b=b1; s=s1; } } private void test() { My my=new My((byte)5,10,"jjj"); ObjectToBytesTest(my); } //----------------------------------- private void ObjectToBytesTest(My my){ ByteArrayOutputStream bos = new ByteArrayOutputStream(); ObjectOutputStream out = null; try { out = new ObjectOutputStream(bos); out.writeObject(element); byte[] myBytes = bos.toByteArray(); } catch (Exception e) {print("exception",e.toString());} finally { try{ out.flush(); out.close(); bos.close(); } catch (Exception e) {} } } </code></pre>
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    1. COyour code works fine. May be you have problem not in this piece of code. Show full stack trace
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      1. POConverting object to byte array throws NotSerializableException
      1. USAleksei Bulgak
    2. COpossible duplicate of [Java Serializable Object to Byte Array](http://stackoverflow.com/questions/2836646/java-serializable-object-to-byte-array)
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