Folks,
I have continued to fiddle a bit more with the redirector in HttpClient
5.0. I have modified my servlet code to respond with 307 from within a
Tomcat valve which immediately kicks in after "Expect: 100-continue".
There seems to be a bug in RedirectExec:
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >> PUT
/bb/repo/my.file HTTP/1.1
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >>
Accept-Encoding: gzip, x-gzip, deflate
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >>
Content-Length: 15
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >>
Content-Type: application/octet-stream
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >> Host:
localhost:8080
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >>
Connection: keep-alive
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >>
User-Agent: Apache-HttpClient/5.0-beta7-SNAPSHOT (Java/1.7.0_252)
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 >> Expect:
100-continue
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "PUT
/bb/repo/my.file HTTP/1.1[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "Accept-Encoding:
gzip, x-gzip, deflate[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "Content-Length:
15[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "Content-Type:
application/octet-stream[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "Host:
localhost:8080[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "Connection:
keep-alive[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "User-Agent:
Apache-HttpClient/5.0-beta7-SNAPSHOT (Java/1.7.0_252)[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "Expect:
100-continue[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 << "HTTP/1.1 307
[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 << "Location:
/bb/redirected/repo/my.file[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 << "Content-Length:
0[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 << "Date: Mon, 17 Feb
2020 20:22:32 GMT[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 << "Connection:
close[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 << "[\r][\n]"
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 << HTTP/1.1 307
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 << Location: /bb/redirected/repo/my.file
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 <<
Content-Length: 0
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 << Date: Mon,
17 Feb 2020 20:22:32 GMT
[main] DEBUG org.apache.hc.client5.http.headers - http-outgoing-0 <<
Connection: close
[main] DEBUG org.apache.hc.client5.http.wire - http-outgoing-0 >> "I am a
checksum"
[main] DEBUG
org.apache.hc.client5.http.impl.io.DefaultManagedHttpClientConnection -
http-outgoing-0: close connection IMMEDIATE
[main] DEBUG org.apache.hc.client5.http.impl.classic.InternalHttpClient -
ep-00000000: endpoint closed
[main] DEBUG org.apache.hc.client5.http.impl.classic.InternalHttpClient -
ep-00000000: discarding endpoint
[main] DEBUG
org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager -
ep-00000000: releasing endpoint
[main] DEBUG org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager
- ep-00000000: connection released [route: {}->http://localhost:8080][total
available: 0; route allocated: 0 of 5; total allocated: 0 of 25]
[main] DEBUG org.apache.hc.client5.http.impl.classic.ProtocolExec -
ex-00000001: Cannot retry non-repeatable request
[main] DEBUG org.apache.hc.client5.http.impl.classic.HttpRequestRetryExec -
ex-00000001: cannot retry non-repeatable request
[main] DEBUG org.apache.hc.client5.http.impl.classic.RedirectExec -
ex-00000001: cannot redirect non-repeatable request
[main] DEBUG
org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager -
Shutdown connection pool GRACEFUL
[main] DEBUG
org.apache.hc.client5.http.impl.io.PoolingHttpClientConnectionManager -
Connection pool shut down
The client is sending the body "I am a checksum" also 100 has not been
issued, but 307. I have expected the client to follow the redirect and
retry. The request fails at the end because the HTTP entity has already
been consumed.
Ideas?
Michael
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