SQL Developer, Data Modeler Failed: Unable to Launch the Java Virtual Machine Located at Path:

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Error Description:

SQL Developer Data Modeler launch fails with following error in windows 7 64bit machine.

Unable to Launch the Java Virtual Machine Located at Path:

Solution Description:

The issue is because the windows x64 Java JDK kit will not work with SQL developer/data modeler. 

You will have to install the Windows x86 JDK kit for proper execution of the SQL Developer, modeler. Once you install the x86 JDK you will have to modify the configuration file for the SQL developer/modeler which is located under following directories with new JDK directories.

SQL Developer: Data Modeler\sqldeveloper\ sqldeveloper \bin\ sqldeveloper.conf

Data Modeler: Oracle\Data Modeler\datamodeler\datamodeler\bin\datamodeler.conf

The entry need to be modified is SetJavaHome with your new x86 JDK directory.

Current / Old/ Wrong: SetJavaHome  C:\Program Files\Java\jdk1.7.0_40

Correct Entry: SetJavaHome C:\Program Files (x86)\Java\jre7\bin

Now it should work.

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