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Posted to java-dev@axis.apache.org by "Davanum Srinivas (JIRA)" <ax...@ws.apache.org> on 2005/07/15 04:02:12 UTC
[jira] Reopened: (AXIS-2084) Dime attachements: Type_Length of the final record chunk must be zero
[ http://issues.apache.org/jira/browse/AXIS-2084?page=all ]
Davanum Srinivas reopened AXIS-2084:
------------------------------------
Assign To: Davanum Srinivas
not yet fixed.
> Dime attachements: Type_Length of the final record chunk must be zero
> ---------------------------------------------------------------------
>
> Key: AXIS-2084
> URL: http://issues.apache.org/jira/browse/AXIS-2084
> Project: Apache Axis
> Type: Bug
> Components: Serialization/Deserialization
> Versions: 1.2, 1.2.1
> Environment: Microsoft XP
> Reporter: Coralia Silvana Popa
> Assignee: Davanum Srinivas
> Attachments: EchoAttachment.java
>
> Large files sent as DIME attachments are not correct serialized. Seems that the
> When reading a series of chunked records, the parser assumes that the first record without the CF flag is the final record in the chunk; in this case, it's the last record in my sample. The record type is specified only in the first record chunk, and all remaining chunks must have the TYPE_T field and all remaining header fields (except for the DATA_LENGTH field) set to zero.
> Seems that Type_Length (and maybe other header fields) is not set to 0 for the last chunk. The code work correct when there is only one chunck.
> The problem is in class: org.apache.axis.attachments.DimeBodyPart, in method void send(java.io.OutputStream os, byte position, DynamicContentDataHandler dh, final long maxchunk)
> I suggest the following code the fix this problem:
> void send(java.io.OutputStream os, byte position, DynamicContentDataHandler dh,
> final long maxchunk)
> throws java.io.IOException {
>
> BufferedInputStream in = new BufferedInputStream(dh.getInputStream());
>
> final int myChunkSize = dh.getChunkSize();
>
> byte[] buffer1 = new byte[myChunkSize];
> byte[] buffer2 = new byte[myChunkSize];
>
> int bytesRead1 = 0 , bytesRead2 = 0;
> bytesRead1 = in.read(buffer1);
>
> if(bytesRead1 < 0) {
> sendHeader(os, position, 0, (byte) 0);
> os.write(pad, 0, dimePadding(0));
> return;
> }
> byte chunknext = 0;
> do {
> bytesRead2 = in.read(buffer2);
>
> if(bytesRead2 < 0) {
> //last record...do not set the chunk bit.
> //buffer1 contains the last chunked record!
> sendChunk(os, position, buffer1, 0, bytesRead1, chunknext);
> break;
> }
>
> sendChunk(os, position, buffer1, 0, bytesRead1,(byte) (CHUNK | chunknext) );
> chunknext = CHUNK_NEXT;
> //now that we have written out buffer1, copy buffer2 into to buffer1
> System.arraycopy(buffer2,0,buffer1,0,myChunkSize);
> bytesRead1 = bytesRead2;
>
> }while(bytesRead2 > 0);
> }
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