windows server环境documents4j转换excel报错

com.documents4j.throwables.FileSystemInteractionException: Could not access target file
	at com.documents4j.util.Reaction$FileSystemInteractionExceptionBuilder.make(Reaction.java:180)
	at com.documents4j.util.Reaction$ExceptionalReaction.apply(Reaction.java:75)
	at com.documents4j.conversion.ExternalConverterScriptResult.resolve(ExternalConverterScriptResult.java:70)
	at com.documents4j.conversion.ProcessFutureWrapper.evaluateExitValue(ProcessFutureWrapper.java:50)
	at com.documents4j.conversion.ProcessFutureWrapper.get(ProcessFutureWrapper.java:38)
	at com.documents4j.conversion.ProcessFutureWrapper.get(ProcessFutureWrapper.java:11)
	at com.documents4j.job.AbstractFutureWrappingPriorityFuture.run(AbstractFutureWrappingPriorityFuture.java:78)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)