Unable to create an instance of the Java Virtual Machine error

最新推荐文章于 2023-03-10 17:05:43 发布

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本文指导您如何解决在更新操作系统补丁后遇到的JDeveloper启动错误问题，包括编辑ide.conffile文件来调整虚拟内存设置。

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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