EAP 6 の管理オペレーション read-attribute における JBAS014612: NullPointerException
Issue
ログに以下のエラーが表示されます。
JBAS014612:Operation ("read-attribute") failed - address:([
("deployment" => "example.war"),
("subsystem" => "web"),
("servlet" => "testServlet")
]): java.lang.NullPointerException
at org.jboss.as.web.WebDeploymentServletDefinition$5.handle(WebDeploymentServletDefinition.java:91)
at org.jboss.as.web.WebDeploymentServletDefinition$AbstractMetricsHandler$1.execute(WebDeploymentServletDefinition.java:119)
at org.jboss.as.controller.AbstractOperationContext.executeStep(AbstractOperationContext.java:611)
at org.jboss.as.controller.AbstractOperationContext.doCompleteStep(AbstractOperationContext.java:489)
at org.jboss.as.controller.AbstractOperationContext.completeStepInternal(AbstractOperationContext.java:290)
これは何を意味していますか? どんな解決方法がありますか?
Environment
- Red Hat JBoss Enterprise Application Platform (EAP)
- 6.x
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