Yes I can do that with jmap. Here is a screenshot - https://www.dropbox.com/s/9nns0coyue9j6zt/Screenshot%202016-02-04%2022.48.56.png?dl=0
On Thu, Feb 4, 2016 at 9:31 PM, Jean-Baptiste Onofré <j...@nanthrax.net> wrote: > Can you take a thread dump ? > > Regards > JB > > > On 02/04/2016 09:00 PM, Charles Moulliard wrote: > >> Hi, >> >> My Karaf 2.4.4 container stays blocked when it shutdowns and reports >> this error >> >> Exception in thread "Karaf Shell Console Thread" >> java.lang.NullPointerException >> at java.io.Writer.write(Writer.java:157) >> at java.io.BufferedWriter.newLine(BufferedWriter.java:243) >> at java.io.PrintStream.newLine(PrintStream.java:544) >> at java.io.PrintStream.println(PrintStream.java:824) >> at jline.console.history.FileHistory.flush(FileHistory.java:90) >> at >> >> org.apache.karaf.shell.console.jline.KarafFileHistory.flush(KarafFileHistory.java:65) >> at org.apache.karaf.shell.console.jline.Console.close(Console.java:163) >> at org.apache.karaf.shell.console.jline.Console.run(Console.java:216) >> at >> >> org.apache.karaf.shell.console.jline.DelayedStarted.run(DelayedStarted.java:79) >> >> How can I investigate why the thread is blocked and that I must kill the >> process to restart it >> >> Regards, >> >> -- >> Charles Moulliard >> Apache Committer & PMC / Architect @RedHat >> Twitter : @cmoulliard | Blog : http://cmoulliard.github.io >> <http://cmoulliard.github.io> >> >> > -- > Jean-Baptiste Onofré > jbono...@apache.org > http://blog.nanthrax.net > Talend - http://www.talend.com > -- Charles Moulliard Apache Committer & PMC / Architect @RedHat Twitter : @cmoulliard | Blog : http://cmoulliard.github.io