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java.lang.NullPointerException and other problems
05-04-2021, 19:01
Post: #1
java.lang.NullPointerException and other problems
I recently had to do a clean install of W10 and after udating Minimserver and Minimwatch I got problems:
* java.lang.NullPointerException error
* a lot of errors lik this:
Warning: truncating incorrect value for DATE tag 1985/1997 in file Componisten/Brahms, Johannes (1833-1897)/Clarinet Trio & Piano Trio No. 2/08 Johannes Brahms - Trio for clarinet (or viola), cello & piano in A minor, Op. 114; Allegro.flac

Minimserver started for a second (showed its icon green) but then stopped and gave the above errors.
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05-04-2021, 19:25
Post: #2
RE: java.lang.NullPointerException and other problems
Please post the complete stack trace for the NullPointerException. This should be preserved in a minimserver-crash file in this folder:

C:\Users\your-user-name\AppData\Roaming\MinimServer\data

The AppData folder is hidden by default in Windows Explorer. You can view it by typing the full path into the Explorer address bar.

The value 1985/1997 isn't valid for the Date tag. The value must be YYYY or YYYY-MM or YYYY-MM-DD.
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05-04-2021, 19:34
Post: #3
RE: java.lang.NullPointerException and other problems
Thanks for your quick reply.
There is no Minimserver map or file in this place, only Minimwatch files:
.config, config.lock, .config.save and .log
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05-04-2021, 21:41
Post: #4
RE: java.lang.NullPointerException and other problems
The MinimServer/data folder (if present) contains MinimServer files. The MinimWatch/data folder (if present) contains MinimWatch files.

From your post, I thought you were running MinimServer on Windows 10. Is this correct or are you running it on some other device?
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06-04-2021, 06:55 (This post was last modified: 06-04-2021 07:07 by swdick.)
Post: #5
RE: java.lang.NullPointerException and other problems
No, I'm sorry to be unclear. Minimserver runs on my Synology Nas.
On the NAS I see several files such as Minimserver-out.log and a (lot of) -crash files. I attach them.


Attached File(s)
.log  minimserver-out(1).log (Size: 1.8 KB / Downloads: 1)
.log  minimserver-crash-20210405-212731.log (Size: 7.14 KB / Downloads: 1)
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06-04-2021, 09:56
Post: #6
RE: java.lang.NullPointerException and other problems
Thanks for this. This problem could occur if you had previously browsed to an alpha-grouped container and then disabled alpha grouping. The control point is not aware that alpha grouping has been disabled and has attempted to browse to a container that no longer exists. This should produce a warning message but not a NullPointerException. Does this seem consistent with what you were doing before the problem occurred?
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06-04-2021, 10:03
Post: #7
RE: java.lang.NullPointerException and other problems
I suppose it has to do with the settings of the properties in Minimwatch.
I have reinstalled W10 and lost all the settings of the properties of Minimwatch. I did use grouping and all sorts of properties which I forget now.
In the properties of Minimwatch nearly all fields are greyed out and can not be changed.
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06-04-2021, 10:20 (This post was last modified: 06-04-2021 10:20 by simoncn.)
Post: #8
RE: java.lang.NullPointerException and other problems
These properties are greyed out because you are running MinimServer 2 Starter Edition on your Synology NAS. To get back all the settings you had previously, you can activate a free 30-day trial license. To keep these settings after 30 days, you need to purchase a MinimServer 2 full license.

You can find more information about this on this page.
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06-04-2021, 13:03 (This post was last modified: 06-04-2021 13:17 by swdick.)
Post: #9
RE: java.lang.NullPointerException and other problems
I activated a trial licence and all seems well now.
Thanks.

What was the cause of the problem? I understand that the free version should also work. Is the AlphaGrouping the problem?
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06-04-2021, 13:24
Post: #10
RE: java.lang.NullPointerException and other problems
The NullPointerException with the free version and alphaGroup is a bug that will be fixed in the next MinimServer update. Thanks very much for letting me know about this.
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