JDK-6404388 : VISTA: Socket setTcpNoDelay & setKeepAlive working incorrectly
- Type: Bug
- Component: core-libs
- Sub-Component: java.net
- Affected Version: 1.3.1_18,1.4.2_11,5.0u7,5.0u8,6
- Priority: P2
- Status: Resolved
- Resolution: Fixed
- OS: windows_vista
- CPU: generic,x86
- Submitted: 2006-03-27
- Updated: 2012-03-23
- Resolved: 2006-05-13
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Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
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| Other | JDK 6 |
|---|---|
| 1.4.2_14Fixed | 6 b85Fixed  |
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Description
Socket.setTcpNoDelay & Socket.setKeepAlive are no working as expected on Windows Vista beta 2 (build 5308).
You can test this easily by calling Socket.setTcpNoDelay() followed by Socket.getTcpNoDelay(). The value returned from the get will not match that passed to the set, e.g
..\bin\java TestTcpNoDelay
Get TCP_NODELAY = true
Set TCP_NODELAY to false
Get TCP_NODELAY = true
This is a native vista issue and can be reproduced by a simple native testcase (attached, TestSOKEEPALIVE.c, TestTCPNODELAY). This needs to be fixed in the vista platform.
Native Tests show:
T:\6358574>TestTCPNODELAY
Get TCP_NODELAY = 4198656
Set TCP_NODELAY = 1
Get TCP_NODELAY = 4198657
T:\6358574>TestSOKEEPALIVE
Get SO_KEEPALIVE = 5120
Set SO_KEEPALIVE = 1
Get SO_KEEPALIVE = 5121
This is causing the following jck failures (7):
api/java_net/Socket/descriptions.html#setTcpNoDelay
api/java_net/Socket/descriptions.html#setKeepAlive
api/javax_net/SocketFactory/index.html#SocketFactory001[SocketFactory001]
api/javax_net/SocketFactory/index.html#SocketFactory002[SocketFactory002]
api/javax_net/SocketFactory/index.html#SocketFactory003[SocketFactory003]
api/javax_net/SocketFactory/index.html#SocketFactory004[SocketFactory004]
api/javax_net/SocketFactory/index.html#SocketFactory005[SocketFactory005]
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