Using a central connection pool, kind of

[chahuistle]

This is what we know:

• Lots of barcodes were printed (or attempted to).
• The logs consistently showed a "too many open connections" error.

We modified the DBManager class of this portlet to use a connection pool instead of eagerly open connections.

Let's hope for the best!

[codecov[bot]]

Codecov Report

Merging #16 into master will increase coverage by 0.01%. The diff coverage is 0%.

@@            Coverage Diff            @@
##           master     #16      +/-   ##
=========================================
+ Coverage    1.01%   1.03%   +0.01%     
=========================================
  Files          39      39              
  Lines        2258    2232      -26     
  Branches      239     239              
=========================================
  Hits           23      23              
+ Misses       2229    2203      -26     
  Partials        6       6

Impacted Files	Coverage Δ
...in/java/life/qbic/portal/portlet/io/DBManager.java	0% <0%> (ø)	:arrow_up:
...va/life/qbic/portal/portlet/io/BarcodeCreator.java	0% <0%> (ø)	:arrow_up:

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