For Sql developer, may face such error after updated operation system patch.
To Resolve this error please follow the below steps ;
1- Open the ide.conf file located under <Oracle SQL Developer>jdev\bin\
2- Edit :
AddVMOption -Xmx1024M
AddVMOption -Xmx256M or 512 MB change into 512 instead of 1024
JDeveloper11g Startup error
I installed JDeveloper11g Studio Edition with no JDK bundle but when i tried to start JDeveloper, it gave me error
Unable to start Java Virtual Machine located at ....
In order to fix this type of error, go to installation_directoy\Middleware\JDeveloper\jdev\bin folder
and edit file jdev.conf.
Locate line "AddVMOption -XX:MaxPermSize=256M".
Now add another line just below this line:
AddVMOption -Xmx256M
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