Exception in Jod Converter

[Selvakumar Ponnusamy]

Im trying to convert MS-Office docs to PDF and getting below exception. I did lot of googling couldnt get right answer. What would the reason for the exception

Caused by: com.sun.star.uno.Exception:
    at com.sun.star.lib.uno.environments.remote.Job.remoteUnoRequestRaisedException(Job.java:182)
    at com.sun.star.lib.uno.environments.remote.Job.execute(Job.java:148)
    at com.sun.star.lib.uno.environments.remote.JobQueue.enter(JobQueue.java:344)
    at com.sun.star.lib.uno.environments.remote.JobQueue.enter(JobQueue.java:313)
    at com.sun.star.lib.uno.environments.remote.JavaThreadPool.enter(JavaThreadPool.java:101)
    at com.sun.star.lib.uno.bridges.java_remote.java_remote_bridge.sendRequest(java_remote_bridge.java:652)
    at com.sun.star.lib.uno.bridges.java_remote.ProxyFactory$Handler.request(ProxyFactory.java:154)
    at com.sun.st

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