java.lang.NullPointerException

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    • java.lang.NullPointerException at java.util.Collections$UnmodifiableCollection.<init>(Collections.java:1051) at java.util.Collections$UnmodifiableList.<init>(Collections.java:1204) at java.util.Collections.unmodifiableList(Collections.java:1190) at eu.europa.esig.dss.x509.CommonCertificateSource.getCertificates(CommonCertificateSource.java:103) at eu.europa.esig.dss.x509.CommonTrustedCertificateSource.importAsTrusted(CommonTrustedCertificateSource.java:113)

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