Can anyone tell me what the following error means? How to fix it? This is occurring on Data Integration Community Edition 5.2
I have seen a few reporters of this message but no resolution

2014/12/16 15:44:14 - Carte - Installing timer to purge stale objects after 1440 minutes.
Attempting to load ESAPI.properties via file I/O.
Attempting to load ESAPI.properties as resource file via file I/O.
Not found in 'org.owasp.esapi.resources' directory or file not readable: /opt/pentaho/server/data-integration/ESAPI.properties
Not found in SystemResource Directory/resourceDirectory: .esapi/ESAPI.properties
Not found in 'user.home' (/home/ubuntu) directory: /home/ubuntu/esapi/ESAPI.properties
Loading ESAPI.properties via file I/O failed. Exception was: java.io.FileNotFoundException
Attempting to load ESAPI.properties via the classpath.
SUCCESSFULLY LOADED ESAPI.properties via the CLASSPATH from '/ (root)' using current thread context class loader!
SecurityConfiguration for Validator.ConfigurationFile not found in ESAPI.properties. Using default: validation.properties
Attempting to load validation.properties via file I/O.
Attempting to load validation.properties as resource file via file I/O.
Not found in 'org.owasp.esapi.resources' directory or file not readable: /opt/pentaho/server/data-integration/validation.properties
Not found in SystemResource Directory/resourceDirectory: .esapi/validation.properties
Not found in 'user.home' (/home/ubuntu) directory: /home/ubuntu/esapi/validation.properties
Loading validation.properties via file I/O failed.
Attempting to load validation.properties via the classpath.
validation.properties could not be loaded by any means. fail. Exception was: java.lang.IllegalArgumentException: Failed to load ESAPI.properties as a classloader resource.
SecurityConfiguration for Logger.LogServerIP not either "true" or "false" in ESAPI.properties. Using default: true
2014/12/16 15:44:14 - Carte - ERROR (version 5.2.0.0, build 1 from 2014-09-30_19-48-28 by buildguy) : Unable to register to master slave server [Master] on address [10.81.39.98:8090]
2014/12/16 15:44:14 - Carte - ERROR (version 5.2.0.0, build 1 from 2014-09-30_19-48-28 by buildguy) : Unable to register to master slave server [Master] on address [10.81.39.98:8090]
Exception in thread "main" java.lang.reflect.InvocationTargetException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:606)
at org.pentaho.commons.launcher.Launcher.main(Launcher.java:92)
Caused by: java.lang.NullPointerException
at org.pentaho.di.www.Carte.runCarte(Carte.java:183)
at org.pentaho.di.www.Carte.main(Carte.java:172)
... 5 more