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Mantis - Resin
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| ID: | Category: | Severity: | Reproducibility: | Date Submitted: | Last Update: |
| 1648 | minor | always | 03-15-07 07:18 | 03-15-07 15:12 | |
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| Reporter: | sam | Platform: | |||
| Assigned To: | ferg | OS: | |||
| Priority: | urgent | OS Version: | |||
| Status: | closed | Product Version: | 3.0.22 | ||
| Product Build: | Resolution: | fixed | |||
| Projection: | none | ||||
| ETA: | none | Fixed in Version: | 3.1.1 | ||
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| Summary: | 0001648: Expect: 100-continue with LoadBalanceServlet | ||||
| Description: |
(rep by A Balandran) We are trying to move from apache to resin standalone. During this process we have noticed that when we use the LoadBalanceServlet and the header contains an Expect: 100-continue the request fails on the LoadBalanceServlet server. This causes the client to resend the data and the backend server will receive double requests. The log contains an error [19:20:11.059] [default->foocity:16] hmux protocol error at f We can verify this problem by removing the Expect: 100-Continue from the request header and then everything works fine. Here is an example log of a series of requests from a client that shows once the Expect header [19:20:10.688] [hogwarts, 5] POST /cwsreq HTTP/1.1 [19:20:10.688] [hogwarts, 5] Remote-IP: 172.30.50.143:4425 [19:20:10.688] [hogwarts, 5] Host: ssl.4yyy.com [19:20:10.688] [hogwarts, 5] Accept: */* [19:20:10.688] [hogwarts, 5] Cookie: JSESSIONID=abc5bfwAjDv6NaE0Spofr [19:20:10.688] [hogwarts, 5] Content-type: text/xml [19:20:10.688] [hogwarts, 5] Content-Length: 82 [19:20:10.688] load balance [default->gryffindor:16] URL /cwsreq [19:20:10.688] load balance [default->gryffindor:16] Host: ssl.4yyy.com [19:20:10.688] load balance [default->gryffindor:16] Accept: */* [19:20:10.688] load balance [default->gryffindor:16] Cookie: JSESSIONID=abc5bfwAjDv6NaE0Spofr [19:20:10.688] load balance [default->gryffindor:16] Content-type: text/xml [19:20:10.688] load balance [default->gryffindor:16] Content-Length: 82 [19:20:10.697] load balance [default->gryffindor:16] 200 OK [19:20:10.697] load balance [default->gryffindor:16] Q (keepalive) [19:20:10.697] [hogwarts, 5] HTTP/1.1 200 OK [19:20:10.697] [hogwarts, 5] Content-Length: 108 [19:20:10.697] [5] chunk: 108 [19:20:10.697] [hogwarts, 5] keepalive [19:20:11.035] [hogwarts, 5] POST /cwsreq HTTP/1.1 [19:20:11.035] [hogwarts, 5] Remote-IP: 172.30.50.143:4425 [19:20:11.035] [hogwarts, 5] Host: ssl.4yyy.com [19:20:11.035] [hogwarts, 5] Accept: */* [19:20:11.035] [hogwarts, 5] Cookie: JSESSIONID=abc5bfwAjDv6NaE0Spofr [19:20:11.035] [hogwarts, 5] Content-type: text/xml [19:20:11.035] [hogwarts, 5] Content-Length: 3561 [19:20:11.035] [hogwarts, 5] Expect: 100-continue [19:20:11.056] load balance [default->gryffindor:16] URL /cwsreq [19:20:11.056] load balance [default->gryffindor:16] Host: ssl.4yyy.com [19:20:11.056] load balance [default->gryffindor:16] Accept: */* [19:20:11.056] load balance [default->gryffindor:16] Cookie: JSESSIONID=abc5bfwAjDv6NaE0Spofr [19:20:11.057] load balance [default->gryffindor:16] Content-type: text/xml [19:20:11.057] load balance [default->gryffindor:16] Content-Length: 3561 [19:20:11.057] load balance [default->gryffindor:16] Expect: 100-continue [19:20:11.059] [default->gryffindor:16] hmux protocol error at f [19:20:11.059] [hogwarts, 5] HTTP/1.1 503 Service Temporarily Unavailable [19:20:11.059] [hogwarts, 5] Content-Type: text/html [19:20:11.059] [hogwarts, 5] Transfer-Encoding: chunked [19:20:11.059] [5] write-chunk(7) [19:20:11.059] ClusterClient[ClusterServer[id=gryffindor index=0 address=192.168.60.85:6880 cluster=xxx4]] busy [19:20:11.059] close com.caucho.server.cluster.ClusterStream@ab7165 [19:20:11.059] load-balance for session abc5bfwAjDv6NaE0Spofr primary default->gryffindor connection failed. [19:20:11.059] connect com.caucho.server.cluster.ClusterStream@1a1c42f [19:20:11.060] load balance [default->gryffindor:17] URL /cwsreq [19:20:11.060] load balance [default->gryffindor:17] Host: ssl.4yyy.com [19:20:11.060] load balance [default->gryffindor:17] Accept: */* [19:20:11.060] load balance [default->gryffindor:17] Cookie: JSESSIONID=abc5bfwAjDv6NaE0Spofr [19:20:11.060] load balance [default->gryffindor:17] Content-type: text/xml [19:20:11.060] load balance [default->gryffindor:17] Content-Length: 3561 [19:20:11.060] load balance [default->gryffindor:17] Expect: 100-continue [19:20:11.062] [default->gryffindor:17] hmux protocol error at f [19:20:11.062] close com.caucho.server.cluster.ClusterStream@1a1c42f [19:20:11.062] java.lang.IllegalStateException: sendError() forbidden after buffer has been committed. [19:20:11.062] at com.caucho.server.connection.AbstractHttpResponse.sendError(AbstractHttpResponse.java:453) [19:20:11.062] at com.caucho.server.connection.AbstractHttpResponse.sendError(AbstractHttpResponse.java:440) |
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