Speed up "org.docx4j.jaxb.Context - loading Context jc"

At the moment this process takes about 1 minutes 20 seconds on my computer... Am I doing something wrong? Is there any way to speed it up?
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17:34:38.804 [main] INFO org.docx4j.jaxb.Context - loading Context jc
17:35:57.183 [main] INFO org.docx4j.jaxb.Context - loaded com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl .. loading others ..