JBoss EAP 6 stalls recursively scanning exploded deployment during startup

Solution Verified - Updated -

Issue

We are deploying an application that has a symlink to NFS share with a very large number of files. JBoss hangs when starting the server.

In thread dumps, we see:

"DeploymentScanner-threads - 1" prio=10 tid=0x00007f0ad80e2800 nid=0x253e runnable [0x00007f0b18961000]
   java.lang.Thread.State: RUNNABLE
    at java.io.UnixFileSystem.list(Native Method)
    at java.io.File.list(File.java:973)
    at java.io.File.listFiles(File.java:1051)
    at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.getDeploymentTimestamp(FileSystemDeploymentService.java:770)
    at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.getDeploymentTimestamp(FileSystemDeploymentService.java:771)
    at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.getDeploymentTimestamp(FileSystemDeploymentService.java:771)
    at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.scanDirectory(FileSystemDeploymentService.java:567)
    at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.scan(FileSystemDeploymentService.java:360)
    at org.jboss.as.server.deployment.scanner.FileSystemDeploymentService.oneOffScan(FileSystemDeploymentService.java:335)
    at org.jboss.as.server.deployment.scanner.DeploymentScannerAdd$2.run(DeploymentScannerAdd.java:161)
    at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:439)
    at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
    at java.util.concurrent.FutureTask.run(FutureTask.java:138)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$301(ScheduledThreadPoolExecutor.java:98)
    at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:206)
    at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
    at java.lang.Thread.run(Thread.java:662)
    at org.jboss.threads.JBossThread.run(JBossThread.java:122)

Environment

  • JBoss Enterprise Application Platform (EAP) 6

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.

Current Customers and Partners

Log in for full access

Log In
Close

Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.