[ http://jira.jboss.com/jira/browse/JBAS-1506?page=history ]
Ivelin Ivanov reassigned JBAS-1506:
-----------------------------------
Assign To: Ivelin Ivanov (was: Dimitris Andreadis)
> CDROutputStream.create_input_stream is wrong when there are deferred writes
> ---------------------------------------------------------------------------
>
> Key: JBAS-1506
> URL: http://jira.jboss.com/jira/browse/JBAS-1506
> Project: JBoss Application Server
> Type: Patch
> Components: IIOP service
> Versions: JBossAS-4.0.1 Final, JBossAS-3.2.7 Final
> Environment: This related to a jacorb bug, see:
> http://www.jacorb.org/cgi-bin/bugzilla/show_bug.cgi?id=532
> Reporter: Dimitris Andreadis
> Assignee: Ivelin Ivanov
> Fix For: JBossAS-5.0 Alpha, JBossAS-4.0.2 Final
>
>
> An exception is thrown when trying to insert a byte[] larger than 4000 bytes
> into any any:
> package test;
> import java.util.Properties;
> import org.omg.CORBA.ORB;
> import org.omg.CORBA.Any;
> import org.omg.CORBA.OctetSeqHelper;
> public class Test
> {
> public static final void main(String[] args)
> {
> System.out.println("*** Starting test ***");
>
> try
> {
> Properties props = new Properties();
> props.put("org.omg.CORBA.ORBClass", "org.jacorb.orb.ORB");
> props.put("org.omg.CORBA.ORBSingletonClass",
> "org.jacorb.orb.ORBSingleton");
>
> ORB orb = ORB.init(args, props);
>
> byte[] bytes = new byte[4001];
> Any any = orb.create_any();
> OctetSeqHelper.insert(any, bytes);
> }
> catch (Exception e)
> {
> e.printStackTrace();
> }
> }
> }
> ===================================================
> [java] *** Starting test ***
> [java] [ jacorb.home unset! Will use '.' ]
> [java] [ File .\jacorb.properties for configuration jacorb not found ]
> [java] java.lang.ArrayIndexOutOfBoundsException
> [java] at java.lang.System.arraycopy(Native Method)
> [java] at org.jacorb.orb.CDROutputStream.create_input_stream(Unknown
> So
> urce)
> [java] at org.omg.CORBA.OctetSeqHelper.insert(OctetSeqHelper.java:41)
> [java] at test.Test.main(Test.java:24)
> =======================================================
> With a byte[] of size 4000 or less, it works!
> I've noticed that the exception actually originates from the Helper class
> that comes from Sun's JDK:
> ...
> public abstract class OctetSeqHelper
> {
> private static String _id = "IDL:omg.org/CORBA/OctetSeq:1.0";
> public static void insert (org.omg.CORBA.Any a, byte[] that)
> {
> org.omg.CORBA.portable.OutputStream out = a.create_output_stream ();
> a.type (type ());
> write (out, that);
> a.read_value (out.create_input_stream (), type ());
> }
> The same class from the jacorb distribution does not perform that final
> "a.read_value(...)" line that causes the exception:
> public static void insert (org.omg.CORBA.Any any, byte[] s)
> {
> any.type (type ());
> write (any.create_output_stream (), s);
> }
> public static void write (final org.omg.CORBA.portable.OutputStream
> _out, byte[] _s)
> {
>
> _out.write_long(_s.length);
> _out.write_octet_array(_s,0,_s.length);
> }
> Also, if you look into jacorb's CDROutputStream, there is somewhere a
> hardcoded 4000 limit:
> public final void write_octet_array( final byte[] value,
> final int offset,
> final int length)
> {
> if( value != null )
> {
> if( length > 4000 )
> {
> deferredArrayQueue.add( new DeferredWriteFrame( index,
> offset, length, value ));
> index += length;
> deferred_writes += length;
> }
> else
> {
> check(length);
> System.arraycopy(value,offset,buffer,pos,length);
> index += length;
> pos += length;
> }
> }
> }
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