SQL Developer Won’t Start

One of the things I like most about SQL Developer is that it runs everywhere. I have it installed on my Windows workstation. It is installed automatically on your database server, even Unix/Linux. And I have it installed on my MacBook Pro. The same product runs everywhere giving me a consistent tool no matter which platform I am using.

Recently, my SQL Developer installation on my laptop quit working. When I would click on the icon to launch the program, the icon would bounce in my dock and then quit. No splash screen, no program. I checked the Activity Monitor and a process named “bash” which is a child process to SQL Developer would consume 100% CPU. I downloaded the latest/greatest version of SQL Developer and I got the same thing.

It turns out that some recent OS update to my Mac removed Java. Obviously, SQL Developer is a Java program. If I look in /System/Library/Frameworks/JavaVM.framework/Versions, I can see a softlink for 1.6 points to CurrentJDK and CurrentJDK is a softlink to /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents but that JDK no longer exists.

Unlike the SQL Developer version you download for Windows, there is no version for the Mac that contains the JRE. So to fix, I had to download Java.

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bpeasland-MacBook-Pro:Versions bpeasland$ java -version
java version "1.6.0_33"
Java(TM) SE Runtime Environment (build 1.6.0_33-b03-424-10M3720)
Java HotSpot(TM) 64-Bit Server VM (build 20.8-b03-424, mixed mode)

Now that I have Java reinstalled, my SQL Developer started without any further problems.