>From our tests, upgrade to icu4j 4.0 can speed up tomcat startup time. 2009/2/24 Mark Hindess <[email protected]>
> > In message <[email protected]>, > Deven You writes: > > > > Hi, > > I have tried to upgrade icu4j3.8 to icu4j4.0 for classlib trunk on my > > machine, below is the instructions for this upgrade: > > 1. download icu4j-4_0.jar and icu4j-charsets-4_0.jar from ICU official > > website http://icu-project.org/download/4.0.html > > 2. create icu4j_4.0 folder in trunk/depends/jars, copy icu4j-4_0.jar and > > icu4j-charsets-4_0.jar into icu4j_4.0 folder > > 3. create icu4j_4.0 folder in trunk/depends/manifests, copy META-INF > foledr > > from icu4j_3.8 and use version 4.0 replace 3.8 in the MANIFEST.MF file. > > 4. apply configuration patch[1] for icu4.0 to change some configuration > > settings. > > 5. apply nio Charset patch[2] to avoid circular dependency error, if no > > this patch, nio_char unit test will report many circular dependency > > error[3] > > > > I think maybe now we can upgrade icu4j 3.8 to icu4j 4.0. > > any issues welcom to discuss! > > > > [1] > > > https://issues.apache.org/jira/secure/attachment/12400589/config_icu40.diff > > [2] > https://issues.apache.org/jira/secure/attachment/12400590/Charset.diff > > [3] > > > https://issues.apache.org/jira/secure/attachment/12400591/nio_char_errors.txt > > Seems like a good idea. I'll try to find a moment to test this. > > What are the benefits we get from this upgrade? Performance? Footprint? > > In case it helps anyone else, the JIRA with these attachments is: > > https://issues.apache.org/jira/browse/HARMONY-6096 > > (I don't think there is an easy way to get from attachment links back to > the > jira link?) > > Regards, > -Mark. > > >
