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    Bug 
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    Resolution: Fixed
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    Blocker 
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    Ubuntu 12.04 / PowerPC
There seems to be problems with JRuby libs which are too old. Under some circumstances you'll get
Failed to load native POSIX impl; falling back on Java impl. Stacktrace follows.
java.lang.NoClassDefFoundError: Could not initialize class com.sun.jna.Native
at org.jruby.ext.posix.POSIXFactory.loadLibC(POSIXFactory.java:96)
at org.jruby.ext.posix.POSIXFactory.loadLinuxPOSIX(POSIXFactory.java:65)
at org.jruby.ext.posix.POSIXFactory.getPOSIX(POSIXFactory.java:24)
at hudson.os.PosixAPI.<clinit>(PosixAPI.java:40)
...
as stacktrace. As reported on http://jira.codehaus.org/browse/JRUBY-6712 this seems to be a problem of a too old JRuby version with outdated libs.
- depends on
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                    JENKINS-19192 CLI login command fails on Windows -         
- Resolved
 
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- is blocking
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                    JENKINS-13202 Artifact archiving from an ssh slave fails if symlinks are present -         
- Reopened
 
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                    JENKINS-15682 archive artifacts hangs on ia64 slave due to JNA initialization error -         
- Resolved
 
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- is duplicated by
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                    JENKINS-17571 The main Jenkins dashboard page is slow to reload, seems to cause unusually high CPU load in the process -         
- Resolved
 
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- is related to
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                    JENKINS-13341 Upgrading to 1.458 with Jenkins on Ubuntu with OpenJDK cause Maven build to fail -         
- Resolved
 
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                    JENKINS-18311 Jenkins 1.518 fails to load plugin ruby-runtime -         
- Closed
 
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                    JENKINS-18310 ruby-runtime throws java.lang.IncompatibleClassChangeError on start up -         
- Closed
 
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