Sporadic NullPointerException in StandardContext.engineBase at start up
Environment
- JBoss Enterprise Application Platform (EAP) 6.4.5 and earlier
Issue
- We sporadically see the following NullPointerException upon start up:
java.lang.NullPointerException
at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:99)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [rt.jar:1.8.0_40]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [rt.jar:1.8.0_40]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [rt.jar:1.8.0_40]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [rt.jar:1.8.0_40]
at java.lang.Thread.run(Thread.java:745) [rt.jar:1.8.0_40]
at org.jboss.threads.JBossThread.run(JBossThread.java:122)
Caused by: java.lang.NullPointerException
at java.io.File.<init>(File.java:277) [rt.jar:1.8.0_40]
at org.apache.catalina.core.StandardContext.engineBase(StandardContext.java:4130)
at org.apache.catalina.core.StandardContext.workBase(StandardContext.java:4137)
at org.apache.catalina.core.StandardContext.getWorkPath(StandardContext.java:1696)
at org.apache.catalina.core.StandardContext.postWorkDirectory(StandardContext.java:4401)
at org.apache.catalina.core.StandardContext.start(StandardContext.java:3667)
at org.jboss.as.web.deployment.WebDeploymentService.doStart(WebDeploymentService.java:163)
at org.jboss.as.web.deployment.WebDeploymentService.access$000(WebDeploymentService.java:61)
at org.jboss.as.web.deployment.WebDeploymentService$1.run(WebDeploymentService.java:96)
... 6 more
Resolution
Apply JBoss EAP 6.4 Cumulative Patch (CP) 6 or later
Root Cause
- This content is not included.BZ-1280327 - Timing issue in StandardEngine.getBaseDir allows for sporadic NPE
- A timing issue in StandardEngine.getBaseDir can result in a sporadic null returns
SBR
Components
Category
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