5 Replies Latest reply on Mar 22, 2019 10:29 PM by Steve Sanford-GE Aviation

SQL Developer 18.4 doesn't want to start

M Jay Mar 7, 2019 1:20 PM

Hello Community,

i have downloaded SQL Developer 18.4.0 64Bit, unzipped it in C:\Program Files\sqldeveloper but it doesn't want to start.

The downloaded filename was sqldeveloper-18.4.0-376.1900-x64.zip.

About my system:
- Windows 10 Pro Version 1803
- Java 1.8 Update 201

- Two monitors

- 8 GB RAM

- 64-Bit

- Intel Core i5 (2,4 GHz)

What I have done so far

- installed the newest updated for Windows

- tried to run this Tool as admin

- tried to copy it to C:\sqldeveloper and started it from there, same reaction

The tool displays this and the process stops to continue.

No other window will be opened and no error message appears.

Do you have recommodations how to fix it?

Greetings from Germany

M Jay

1. Re: SQL Developer 18.4 doesn't want to start

Glen Conway Mar 7, 2019 5:18 PM (in response to M Jay)

You could try:
1. Open a CMD window, CD to the sqldeveloper\bin directory, run sqldeveloper.exe. See if any errors in the console.
2. Delete user settings (C:\Users\<your_userid>\AppData\Roaming\SQL Developer\system18.4.0.376.1900) and try again.

Sometimes deleting the user settings is all you need, but I have read that sometimes dual monitors are an issue. Make sure you have the latest video driver.
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2. Re: SQL Developer 18.4 doesn't want to start

M Jay Mar 8, 2019 11:22 AM (in response to Glen Conway)

Hi Glen,

thank you for your answer.
I have tried this but unfortunately it doesn't show up any error. And there is no option to start SQL Developer with logging like sqldeveloper.exe -log

Also working with one screen only istn't an solution
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3. Re: SQL Developer 18.4 doesn't want to start

Glen Conway Mar 8, 2019 4:28 PM (in response to M Jay)

I have tried this
Which means you tried (1) but not (2)? What happened / happens when you rename or delete the system18.4.0.376.1900 and then restart SQL Developer?
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4. Re: SQL Developer 18.4 doesn't want to start

M Jay Mar 13, 2019 8:29 AM (in response to Glen Conway)

Hey Glen,

unfortunately, i have skipped the second part.
Now it works, thank you!

Greetings from Germany

M Jay
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5. Re: SQL Developer 18.4 doesn't want to start

Steve Sanford-GE Aviation Mar 22, 2019 10:29 PM (in response to Glen Conway)
I had a similar issue with an older version of SQL Developer. I tried steps 1 and 2 and they didn't work for me, but I did get it to work eventually. Here is a summary of what I did.
Step 1: no errors appeared in the console
Step 2: deleted the folder specified and tried to start SQL Developer again. No luck.
I deleted the entire old SQL Developer directory and downloaded the latest version of SQL Developer. This also didn't work.
I tried uninstalling Java per these instructions https://www.java.com/en/download/help/uninstall_java.xml then I reinstalled Java and rebooted and I was able to start SQL Developer.
On Windows 10, Java Version 8 Update 144 (build 1.8.0_144-b01)
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