On Wed, 26 Oct 2016, Andreas Reichel wrote:
Sine POI 3.15 the software depends on commons-collections-4 (previously
it depended on commons-collections-3 only). There is however another
good software library "Jasper Reports", which still depends on
commons-collections-3 and also Apache POI.
When using commons-collections-4 and POI-3.15, Jasper Reports throws:
Exception in thread "AWT-EventQueue-0" java.lang.NoClassDefFoundError:
org/apache/commons/collections/map/ReferenceMap
at
net.sf.jasperreports.engine.component.ComponentsEnvironment.<init>(ComponentsEnvironment.java:57)
You'd probably be best off asking the Apache Commons Collections folks
[1], and/or get Jasper to upgrade to a newer Commons Collections
Nick
[1] http://commons.apache.org/proper/commons-collections/mail-lists.html
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