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All requests result in NullPointerException after running for some time

See original GitHub issue

Getting an NPE on all requests (GET,POST,PATCH,DELETE) after application is running for some time. Using version 2.11.20190113153635. On startup all requests are working fine but at some point all requests result in NPE with below stack trace:

io.crnk.core.engine.internal.http.JsonApiRequestProcessor: - failed to process request, unknown exception thrown java.lang.NullPointerException: null at io.crnk.meta.MetaLookup.discover(MetaLookup.java:206) ~[crnk-meta-2.11.20190113153635.jar!/:?] at io.crnk.meta.MetaLookup.access$300(MetaLookup.java:27) ~[crnk-meta-2.11.20190113153635.jar!/:?] at io.crnk.meta.MetaLookup$2.runDiscovery(MetaLookup.java:116) ~[crnk-meta-2.11.20190113153635.jar!/:?] at io.crnk.meta.provider.MetaPartitionBase.allocateMetaElement(MetaPartitionBase.java:67) ~[crnk-meta-2.11.20190113153635.jar!/:?] at io.crnk.jpa.internal.query.AbstractJpaQueryImpl.<init>(AbstractJpaQueryImpl.java:69) ~[crnk-jpa-2.11.20190113153635.jar!/:?] at io.crnk.jpa.internal.query.backend.criteria.JpaCriteriaQueryImpl.<init>(JpaCriteriaQueryImpl.java:18) ~[crnk-jpa-2.11.20190113153635.jar!/:?] at io.crnk.jpa.query.criteria.JpaCriteriaQueryFactory.query(JpaCriteriaQueryFactory.java:28) ~[crnk-jpa-2.11.20190113153635.jar!/:?] at io.crnk.jpa.query.criteria.JpaCriteriaQueryFactory.query(JpaCriteriaQueryFactory.java:11) ~[crnk-jpa-2.11.20190113153635.jar!/:?] at io.crnk.jpa.JpaEntityRepositoryBase.findAll(JpaEntityRepositoryBase.java:84) ~[crnk-jpa-2.11.20190113153635.jar!/:?]