JON agent logs contain warning message NoClassDefFoundError: Could not initialize class net.augeas.jna.Aug when Augeas support is enabled for one or more resources

Issue

• The agent logs are getting a huge amount of log error:

  WARN  [ConfigurationManager.threadpool-1] (rhq.core.pc.configuration.ConfigurationCheckExecutor)- Unable to check for updated configuration
  java.lang.Exception: java.lang.NoClassDefFoundError: Could not initialize class net.augeas.jna.Aug
          at org.rhq.core.pc.inventory.ResourceContainer$ComponentInvocationThread.call(ResourceContainer.java:557)
          ...
  Caused by: java.lang.NoClassDefFoundError: Could not initialize class net.augeas.jna.Aug
          at net.augeas.Augeas.<init>(Unknown Source)
          at net.augeas.Augeas.<init>(Unknown Source)
          ...
  

• The agent log contains the following message:

  WARN  [InventoryManager.discovery-1] (rhq.core.pc.inventory.InventoryManager)- Failure during discovery for [Directory] Resources - failed after 86 ms.
  java.lang.Exception: Discovery component invocation failed.
          at org.rhq.core.pc.util.DiscoveryComponentProxyFactory$ComponentInvocationThread.call(DiscoveryComponentProxyFactory.java:297)
          ...
  Caused by: java.lang.UnsatisfiedLinkError: Unable to load library 'augeas': libaugeas.so: cannot open shared object file: No such file or directory
          at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:164)
          at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:237)
          at com.sun.jna.Library$Handler.<init>(Library.java:140)
          at com.sun.jna.Native.loadLibrary(Native.java:375)
          at com.sun.jna.Native.loadLibrary(Native.java:360)
          at net.augeas.jna.Aug.<clinit>(Unknown Source)
          at net.augeas.Augeas.<init>(Unknown Source)
          at net.augeas.Augeas.<init>(Unknown Source)
          at org.rhq.plugins.apache.ApacheServerComponent.isAugeasEnabled(ApacheServerComponent.java:1011)
          ...
  

• Can not get Apache configuration:

  No configuration was retrieved. This means that either the plugin failed to load the configuration or that configuration collection is merely switched off in the connection settings.