Fixing ‘Error 401’ in JDeveloper integrated servicebus console

Here I am to show you how to fix another issue JDeveloper showed to me.

Unauthorized?

So, you open JDeveloper integrated servicebus console in the local browser (127.0.0.1:7011/servicebus) and it tells you Error 401: Authorization Error even if credentials are correct.

The solution

Before we start (change to your version):

• we are using Windows (unfortunately…)
• assume wrong java version is (aka too new): 1.8.0_121
• assume correct java version is (aka 1.7.55+ and < 1.8): 1.7.0_80
• integrated weblogic default domain is in C:\Users\FRANCE~1\AppData\Roaming\JDeveloper\system12.1.3.0.41.140521.1008\DefaultDomain (yes, it doesn’t live anymore in C:\Oracle\Middleware\Oracle_Home\user_projects\applications)
• you know we need to use DOS path names in settings (read more here).

Let’s go:

1. Close JDeveloper
2. Navigate to C:\Users\FRANCE~1\AppData\Roaming\JDeveloper\system12.1.3.0.41.140521.1008\DefaultDomain\bin and replace it C:\Java\JDK18~1.0_1 with C:\Java\JDK17~1.0_8
3. Then, go to C:\Oracle\Middleware\Oracle_Home\oracle_common\common\bin find jdk1.8.0_121 and replace it with jdk1.7.0_80
4. Open JDeveloper and choose NOT TO import any previous installation setting/preferences.

Click to Allow access if Windows Firewall prompts to give connection permission to Java 1.7.

I hope it helped.

Thanks for reading.