Hi
- This issue appeared with version3 RC3 (I had no problem with RC1 and possibly
RC2).
- I am sending a large file through HTTPClient. Since it is large, I avoid
using buffering (stream
size is known, not equal to -1 or -2).
- When an error happen which involves the RetryHandler (derived from
DefaultHttpMethodRetryHandler), I used to reset the InputStream to position
zero (either using
InputStream.mark(0) in the init phase then reset() or
((FileInputStream)stream).getChannel().position(0) in JDK 1.4). This way, the
retry mechanism will
reuse a properly initialized stream from its beginning.
This used to work, however, with RC3, it seems from the source code that
InputStreamRequestEntity
is not repeatable anymore (which I can understand in case a stream cannot be
reset, but in many
case, may be most cases, it can be reset and reused).
This causes the "Unbuffered entity enclosing request can not be repeated" error
and faisl the HTTP
call.
This is the java stacktrace:
org.apache.commons.httpclient.ProtocolException: Unbuffered entity enclosing
request can not be
repeated.
at
org.apache.commons.httpclient.methods.EntityEnclosingMethod.writeRequestBody(EntityEnclosingMethod.java:483)
at
org.apache.commons.httpclient.HttpMethodBase.writeRequest(HttpMethodBase.java:1973)
at
org.apache.commons.httpclient.HttpMethodBase.execute(HttpMethodBase.java:993)
at
org.apache.commons.httpclient.HttpMethodDirector.executeWithRetry(HttpMethodDirector.java:393)
at
org.apache.commons.httpclient.HttpMethodDirector.executeMethod(HttpMethodDirector.java:168)
at
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:396)
at
org.apache.commons.httpclient.HttpClient.executeMethod(HttpClient.java:346)
I wanted to rely fully on the RetryHandler of the HTTPClient rather than add
another layer of
retrying on top of it, which I would like to avoid.
Do you guys have a nice solution ?
I would suggest that you make a method in InputStreamRequestEntity to force it
to be repeatable if
the developer knows he can reuse and reset the stream. Is that possible ?
Thanks
riad
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