SQL Developer startup

Hi,
i have monitored that the SQL Developer slows down if you have a lot of connections in your connection tree
(i have 100-200 connections in my tree); if i start an clean installation without any connection it starts within 30sek
But with my connection tree it takes ~2-5min to start; the progress bar reaches 100%, then it takes 2-3 min until i have the tool ready
- any ideas ?
thanks
Werner

Hi Werner,
So if switching between a local / network tnsnames file does not change start-up time much, and the same for paring down the connections.xml file, it seems we have pursued a false lead. Let's return to your comment at the beginning of this thread:
*"if i start an clean installation without any connection it starts within 30sek But with my connection tree it takes ~2-5min to start"*
Perhaps something detrimental to performance gets copied from a prior installation when you import preferences into the 3.0 configuration. At times the configuration data can become corrupt. It especially worries me that you say *"config is stored also in the network (56MB)"*.
Do you mean network equivalent to C:\Documents and Settings\<username>\Application Data\SQL Developer\system3.0.04.34+ has a size of 56M?
Perhaps you could try the following: export all your connections; exit SQL Dev; erase the system3.0.04.34 folder; restart SQL Dev but do not import preferences from a prior installation; import your connections. Typically I find the size on disk of such configuration folders ranges from 0.5 to 2.0M.
As for the log file with "Error while registering Oracle JDBC Diagnosability MBean", I'm not sure. Perhaps it is a side-effect of some configuration corruption rather than the cause of the poor start-up performance.
Hope this helps,
Gary

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