[org.jboss.windup.web.services.messaging.PackageDiscoveryMDB] (Thread-0 (ActiveMQ-client-global-threads)) Failed to execute package discovery due to: null: java.lang.NullPointerException

Issue

• We are running the migration toolkit on our enterprise archive (EAR) and getting a null pointer exception. This only happens with Azul JDK. The full exception stack trace is:

10:46:02,600 INFO  [PackageService] (Thread-0 (ActiveMQ-client-global-threads)) Starting package discovery
10:46:02,768 SEVERE [org.jboss.windup.web.services.messaging.PackageDiscoveryMDB] (Thread-0 (ActiveMQ-client-global-threads)) Failed to execute package discovery due to: null: java.lang.NullPointerException
    at org.jboss.windup.rules.apps.windup-rules-java:5.3.0.Final_8a0588fe-a7fe-4df9-8c80-d7fe8beb0799//org.jboss.windup.rules.apps.java.scan.operation.packagemapping.PackageNameMapping.getMappings(PackageNameMapping.java:214)
    at org.jboss.windup.rules.apps.windup-rules-java:5.3.0.Final_8a0588fe-a7fe-4df9-8c80-d7fe8beb0799//org.jboss.windup.rules.apps.java.scan.operation.packagemapping.PackageNameMapping.getOrganizationFromMappings(PackageNameMapping.java:198)
    at org.jboss.windup.rules.apps.windup-rules-java:5.3.0.Final_8a0588fe-a7fe-4df9-8c80-d7fe8beb0799//org.jboss.windup.rules.apps.java.scan.operation.packagemapping.PackageNameMappingRegistry.getOrganizationForPackage(PackageNameMappingRegistry.java:42)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.base/java.lang.reflect.Method.invoke(Method.java:566)

• We are using: Azul JDK (11.0.15+10 Azul Zulu: 11.56.19) :

java -version
openjdk version "11.0.15" 2022-04-19 LTS
OpenJDK Runtime Environment Zulu11.56+19-CA (build 11.0.15+10-LTS)
OpenJDK 64-Bit Server VM Zulu11.56+19-CA (build 11.0.15+10-LTS, mixed mode)