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It would be nice if we could recognise selection of 64bit JDK on Solaris/sparcv9 boxes and put appropriate switch (-J-d64) to netbeans.conf file as default command line option. ------ NetBeans 5.5 Dev (Build 200606230200) SunOS version 5.10 running on sparcv9 Java HotSpot(TM) 64-Bit Server VM 1.6.0-rc-b88 System Locale; Encoding = en (nb); ISO646-US
Are you sure majority of users with installed 64bit JDK want to run IDE on 64bit JDK by default? IMO it would be nice to have relevant user feedback on this topic.
Well, I'm not sure, but in order to have 64bit JDK on Solaris/sparc, you need to install first 32bit JDK and than 64bit pack into the same directory. So it seems to me that users who do not wish to use 64bit JDK won't even install the 64bit JDK pack. We should be able to recognise whether the JDK folder contains the 64bit enhacement pack (an extra 'sparcv9' folder inside JDK's 'bin' folder). But you're probably right about user feedback anyway.
JDK is usualy not used ONLY to run IDE. So thinking that presence of 64bit JDK addon on system => user wants to run IDE on 64bit JDK is wrong IMO. I think this should be documented (FAQ) so if user wants to run IDE using 64bit JDK he should be able to find out easily how to do that. Main reason why not to set 64bit JDK as default for IDE is that 64bit JDK requires more memory to run.
Closing as WONTFIX.