NPE at org.jboss.resteasy.plugins.providers.multipart.Mime4JWorkaround$CustomTempFileStorageProvider.createStorageOutputStream(Mime4JWorkaround.java:146) after applying EAP 7.4 Update 10

Solution Verified - Updated -

Issue

  • After updating to JBoss EAP 7.4 Update 10 (from Update 9) and validating, we are running into a NullPointerException in org.jboss.resteasy.plugins.providers.multipart.Mime4JWorkaround.CustomTempFileStorageProvider#createStorageOutputStream. The java.lang.NullPointerException is not logged and is only returned in the response with a 400 error status.

Environment

  • Red Hat JBoss Enterprise Application Platform (EAP) 7.4 Update 10
  • Red Hat Single Sign-On (RHSSO) 7.6.3

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