Difference: HipeWhatsNew8x (33 vs. 34)

Revision 342011-10-25 - ThanosTsounis

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META TOPICPARENT name="HipeWhatsNew"

What's coming up in HIPE 8

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Installer

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Sometimes, especially when a user has a shaky internet connection, an installation might fail in such a way that the local (in the user's machine) repository of hcss libraries might get corrupted. The workaround that existed so far can be found in the known issued page in: http://herschel.esac.esa.int/twiki/bin/view/Hcss/KnownIssuesHipeInstaller#Installer_fails_with_a_zip_error. The solution in short was to remove the local repository and all existing HIPE installation and start over. However a new solution that hopefully solves this issue has been implemented in 8.0. We know that bad proxy setup, hardware issues in routers can cause packet loss even in TCP. Such loss should always result in a file which is smaller than actually intended. Normally such a situation should result in an exception, but with packet loss in e.g. a router this will go unnoticed and a normal EOF completes the transmission. However, the resulting ZIP file will then always fail to unzip. The installer has been modified to extract the content-length from the HTTP header and validate the number of bytes actually received and raise an exception if such thing takes place. Moreover, a better exception reporting has been implemented to give more information on the basic cause of the exception. Finally the user installer reports the estimated time of completion while installing to give a rough feeling to the user.
 

Documentation

HIFI

 
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