Oliver Lietz created KARAF-4901:
-----------------------------------

             Summary: Make warning for "Unable to create a system terminal" 
less verbose
                 Key: KARAF-4901
                 URL: https://issues.apache.org/jira/browse/KARAF-4901
             Project: Karaf
          Issue Type: Improvement
          Components: karaf-shell
    Affects Versions: 4.1.0
         Environment: Mac, Pax Exam
            Reporter: Oliver Lietz
            Priority: Minor


{noformat}
2016-12-20T11:23:11,705 | WARN  | pool-3-thread-1  |                            
      | 165 - org.jline - 3.1.1 | Creating a dumb terminal
java.lang.IllegalStateException: Unable to create a system terminal
        at org.jline.terminal.TerminalBuilder.doBuild(TerminalBuilder.java:177) 
~[?:?]
        at org.jline.terminal.TerminalBuilder.build(TerminalBuilder.java:149) 
~[?:?]
        at 
org.apache.karaf.shell.impl.console.osgi.LocalConsoleManager.start(LocalConsoleManager.java:63)
 ~[?:?]
        at 
org.apache.karaf.shell.impl.console.osgi.Activator.start(Activator.java:114) 
~[?:?]
        at 
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
 ~[?:?]
        at org.apache.felix.framework.Felix.activateBundle(Felix.java:2226) 
~[?:?]
        at org.apache.felix.framework.Felix.startBundle(Felix.java:2144) ~[?:?]
        at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) 
~[?:?]
        at org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984) 
~[?:?]
        at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1281)
 ~[?:?]
        at 
org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:890) 
~[?:?]
        at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1170)
 ~[?:?]
        at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$0(FeaturesServiceImpl.java:1069)
 ~[?:?]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:?]
        at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[?:?]
        at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[?:?]
        at java.lang.Thread.run(Thread.java:745) [?:?]
        Suppressed: com.sun.jna.LastErrorException: [25] Inappropriate ioctl 
for device
                at com.sun.jna.Native.invokeVoid(Native Method) ~[?:?]
                at com.sun.jna.Function.invoke(Function.java:374) ~[?:?]
                at com.sun.jna.Function.invoke(Function.java:323) ~[?:?]
                at com.sun.jna.Library$Handler.invoke(Library.java:236) ~[?:?]
                at com.sun.proxy.$Proxy48.ttyname_r(Unknown Source) ~[?:?]
                at 
org.jline.terminal.impl.jna.osx.OsXNativePty.current(OsXNativePty.java:34) 
~[?:?]
                at 
org.jline.terminal.impl.jna.JnaNativePty.current(JnaNativePty.java:38) ~[?:?]
                at 
org.jline.terminal.TerminalBuilder.doBuild(TerminalBuilder.java:210) ~[?:?]
                at 
org.jline.terminal.TerminalBuilder.build(TerminalBuilder.java:149) ~[?:?]
                at 
org.apache.karaf.shell.impl.console.osgi.LocalConsoleManager.start(LocalConsoleManager.java:63)
 ~[?:?]
                at 
org.apache.karaf.shell.impl.console.osgi.Activator.start(Activator.java:114) 
~[?:?]
                at 
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
 ~[?:?]
                at 
org.apache.felix.framework.Felix.activateBundle(Felix.java:2226) ~[?:?]
                at 
org.apache.felix.framework.Felix.startBundle(Felix.java:2144) ~[?:?]
                at 
org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
                at 
org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984) ~[?:?]
                at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1281)
 ~[?:?]
                at 
org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:890) 
~[?:?]
                at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1170)
 ~[?:?]
                at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$0(FeaturesServiceImpl.java:1069)
 ~[?:?]
                at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
[?:?]
                at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[?:?]
                at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[?:?]
                at java.lang.Thread.run(Thread.java:745) [?:?]
        Suppressed: java.io.IOException: Not a tty
                at org.jline.terminal.impl.ExecPty.current(ExecPty.java:43) 
~[?:?]
                at 
org.jline.terminal.TerminalBuilder.doBuild(TerminalBuilder.java:219) ~[?:?]
                at 
org.jline.terminal.TerminalBuilder.build(TerminalBuilder.java:149) ~[?:?]
                at 
org.apache.karaf.shell.impl.console.osgi.LocalConsoleManager.start(LocalConsoleManager.java:63)
 ~[?:?]
                at 
org.apache.karaf.shell.impl.console.osgi.Activator.start(Activator.java:114) 
~[?:?]
                at 
org.apache.felix.framework.util.SecureAction.startActivator(SecureAction.java:697)
 ~[?:?]
                at 
org.apache.felix.framework.Felix.activateBundle(Felix.java:2226) ~[?:?]
                at 
org.apache.felix.framework.Felix.startBundle(Felix.java:2144) ~[?:?]
                at 
org.apache.felix.framework.BundleImpl.start(BundleImpl.java:998) ~[?:?]
                at 
org.apache.felix.framework.BundleImpl.start(BundleImpl.java:984) ~[?:?]
                at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.startBundle(FeaturesServiceImpl.java:1281)
 ~[?:?]
                at 
org.apache.karaf.features.internal.service.Deployer.deploy(Deployer.java:890) 
~[?:?]
                at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.doProvision(FeaturesServiceImpl.java:1170)
 ~[?:?]
                at 
org.apache.karaf.features.internal.service.FeaturesServiceImpl.lambda$doProvisionInThread$0(FeaturesServiceImpl.java:1069)
 ~[?:?]
                at java.util.concurrent.FutureTask.run(FutureTask.java:266) 
[?:?]
                at 
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) 
[?:?]
                at 
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) 
[?:?]
                at java.lang.Thread.run(Thread.java:745) [?:?]
        Caused by: java.io.IOException: Error executing 'tty': not a tty
                at org.jline.utils.ExecHelper.exec(ExecHelper.java:42) ~[?:?]
                at org.jline.terminal.impl.ExecPty.current(ExecPty.java:40) 
~[?:?]
                ... 17 more
{noformat}



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