Java: Invalid Keystore format Error

Question

Does anyone know how to solve this java error?

java.io.IOException: Invalid keystore format

I get it when I try and access the certificate store from the Java option in control panels. It's stopping me from loading applets that require elevated privileges.

Error Image

score 4 · Accepted Answer · edited Apr 11 '11 at 20:39

4

I was able to reproduce the error by mangling the trusted.certs file at directory

C:\Documents and Settings\CDay\Application Data\Sun\Java\Deployment\security.

Deleting the file fixed the problem.

edited Apr 11 '11 at 20:39

rogerdpack

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answered Sep 24 '08 at 13:01

Craig Day

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What should I do if I don't want to delete this file? – Pavel Vyazankin Aug 09 '16 at 13:16
To delete keystore follow these steps. https://stackoverflow.com/a/6036134/7284578 – Dharmesh Patel May 25 '22 at 10:40

score 2 · Answer 2 · answered Aug 29 '12 at 12:37

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Do not include special characters in organization name and unit

answered Aug 29 '12 at 12:37

Jayesh

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score 0 · Answer 3 · answered Sep 24 '08 at 12:44

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Seems to be a missing certificate or an invalid format. Did you already generate a certificate with keytool?

answered Sep 24 '08 at 12:44

DeeCee

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score 0 · Answer 4 · answered Apr 11 '11 at 20:43

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for me it meant that my key file I was trying to import was invalid (it was actually a 404 page not a valid key)

answered Apr 11 '11 at 20:43

rogerdpack

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Emperor 2052 · Answer 5 · 2014-05-02T14:40:24.987

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For you guys who can't find the 'Documents and Settings' (whatever reason there may be) here is another path where the trusted.certs can be found:

C:\Users\<username>\AppData\LocalLow\Sun\Java\Deployment\security

Hope this helps!

edited May 02 '14 at 14:40

answered May 02 '14 at 14:33

Emperor 2052

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Java: Invalid Keystore format Error

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