Error i found i am attaching here..
[test - MongoDB Output] INFO org.mongodb.driver.connection - Opened connection [connectionId{localValue:2, serverValue:8}] to localhost:27017
java.lang.NoSuchMethodError: com.mongodb.WriteResult.getLastError()Lcom/mongodb/CommandResult;
at org.pentaho.di.trans.steps.mongodboutput.MongoDbOutput.doBatch(MongoDbOutput.java:339)
at org.pentaho.di.trans.steps.mongodboutput.MongoDbOutput.processRow(MongoDbOutput.java:211)
at org.pentaho.di.trans.step.RunThread.run(RunThread.java:62)
at java.lang.Thread.run(Thread.java:744)