Even the official edelivery version has one known flaw: the JDK path registry. After downloading the fixed installer, follow this patch to ensure it runs:
java -Xmx512m -jar jdevstudio10135.jar
Using -Xmx512m forces adequate heap space. Without this flag, the old installer will hang at 99% initialization.Oracle moved its legacy software to the Oracle Software Delivery Cloud (previously eDelivery). To get the fixed download: jdeveloper 101350 download fixed
Once downloaded, verify the archive:
unzip -t jdev121440.zip
java -jar jdev121440.jar --help
Expected output: JDeveloper 12.2.1.4.0 Build 101350 splash screen or help menu. Even the official edelivery version has one known