Getting Error "WFLYCTL0013: Operation failed ... java.lang.SecurityException: WFLYSRV0228: Security Exception ... Caused by: java.lang.IllegalArgumentException: Null input buffer" in JBoss EAP ?

Issue

• Getting the following ERROR:

2018-11-27 12:20:40,760 ERROR [org.jboss.as.controller.management-operation] (Controller Boot Thread) WFLYCTL0013: Operation ("add") failed - address: ([("core-service" => "vault")]): java.lang.SecurityException: WFLYSRV0228: Security Exception
    at org.jboss.as.server.services.security.RuntimeVaultReader.retrieveFromVault(RuntimeVaultReader.java:118)
    at org.jboss.as.server.RuntimeExpressionResolver.resolvePluggableExpression(RuntimeExpressionResolver.java:45)
    at org.jboss.as.controller.ExpressionResolverImpl.resolveExpressionString(ExpressionResolverImpl.java:331)
    at org.jboss.as.controller.ExpressionResolverImpl.parseAndResolve(ExpressionResolverImpl.java:240)
    at org.jboss.as.controller.ExpressionResolverImpl.resolveExpressionStringRecursively(ExpressionResolverImpl.java:142)
    at org.jboss.as.controller.ExpressionResolverImpl.resolveExpressionsRecursively(ExpressionResolverImpl.java:84)
    at org.jboss.as.controller.ExpressionResolverImpl.resolveExpressions(ExpressionResolverImpl.java:66)
    at org.jboss.as.controller.ModelControllerImpl.resolveExpressions(ModelControllerImpl.java:890)
    at org.jboss.as.controller.OperationContextImpl.resolveExpressions(OperationContextImpl.java:1211)
    at org.jboss.as.controller.AttributeDefinition$1.resolveExpressions(AttributeDefinition.java:516)
    at org.jboss.as.controller.AttributeDefinition.resolveValue(AttributeDefinition.java:580)
    at org.jboss.as.controller.AttributeDefinition.resolveModelAttribute(AttributeDefinition.java:539)
    at org.jboss.as.controller.AttributeDefinition.resolveModelAttribute(AttributeDefinition.java:513)
    at org.jboss.as.server.operations.SystemPropertyAddHandler$DeferredProcessor.processDeferredProperties(SystemPropertyAddHandler.java:179)
    at org.jboss.as.server.services.security.VaultAddHandler.performRuntime(VaultAddHandler.java:93)
    at org.jboss.as.controller.AbstractAddStepHandler.performRuntime(AbstractAddStepHandler.java:337)
    at org.jboss.as.controller.AbstractAddStepHandler$1.execute(AbstractAddStepHandler.java:151)
    at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:890)
    at org.jboss.as.controller.AbstractOperationContext.processStages(AbstractOperationContext.java:659)
    at org.jboss.as.controller.AbstractOperationContext.executeOperation(AbstractOperationContext.java:370)
    at org.jboss.as.controller.OperationContextImpl.executeOperation(OperationContextImpl.java:1344)
    at org.jboss.as.controller.ModelControllerImpl.boot(ModelControllerImpl.java:485)
    at org.jboss.as.controller.AbstractControllerService.boot(AbstractControllerService.java:387)
    at org.jboss.as.controller.AbstractControllerService.boot(AbstractControllerService.java:349)
    at org.jboss.as.server.ServerService.boot(ServerService.java:392)
    at org.jboss.as.server.ServerService.boot(ServerService.java:365)
    at org.jboss.as.controller.AbstractControllerService$1.run(AbstractControllerService.java:299)
    at java.lang.Thread.run(Thread.java:745)
Caused by: org.jboss.security.vault.SecurityVaultException: java.lang.IllegalArgumentException: Null input buffer
    at org.picketbox.plugins.vault.PicketBoxSecurityVault.retrieve(PicketBoxSecurityVault.java:297)
    at org.jboss.as.server.services.security.RuntimeVaultReader.getValue(RuntimeVaultReader.java:146)
    at org.jboss.as.server.services.security.RuntimeVaultReader.getValueAsString(RuntimeVaultReader.java:126)
    at org.jboss.as.server.services.security.RuntimeVaultReader.retrieveFromVault(RuntimeVaultReader.java:116)
    ... 27 more
Caused by: java.lang.IllegalArgumentException: Null input buffer
    at javax.crypto.Cipher.doFinal(Cipher.java:2161)
    at org.picketbox.util.EncryptionUtil.decrypt(EncryptionUtil.java:134)
    at org.picketbox.plugins.vault.PicketBoxSecurityVault.retrieve(PicketBoxSecurityVault.java:293)