René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"Type: Bug Not Streaming Null Values","articleBody":"Bigquery insertAll operation is checking for a field in the inserted Row which is not present in the schema. I have set setIgnoreUnknownValues to true and also set setSkipInvalidRows to true.\r\n\r\nHere is the exception Trace, \r\n```java\r\njava.lang.NullPointerException: null value in entry: xyz=null\r\n    at com.google.common.collect.CollectPreconditions.checkEntryNotNull(CollectPreconditions.java:33) ~[bqstream.jar:?]\r\n    at com.google.common.collect.RegularImmutableMap.fromEntryArray(RegularImmutableMap.java:69) ~[bqstream.jar:?]\r\n    at com.google.common.collect.RegularImmutableMap.fromEntries(RegularImmutableMap.java:46) ~[bqstream.jar:?]\r\n    at com.google.common.collect.ImmutableMap.copyOf(ImmutableMap.java:354) ~[bqstream.jar:?]\r\n    at com.google.common.collect.ImmutableMap.copyOf(ImmutableMap.java:327) ~[bqstream.jar:?]\r\n    at com.google.cloud.bigquery.InsertAllRequest$RowToInsert.\u003cinit\u003e(InsertAllRequest.java:81) ~[bqstream.jar:?]\r\n    at com.google.cloud.bigquery.InsertAllRequest$RowToInsert.of(InsertAllRequest.java:141) ~[bqstream.jar:?]\r\n    at com.XXXXXXXXXX.bqstream.data.Data.lambda$getData$0(Data.java:46) ~[bqstream.jar:?]\r\n    at java.util.ArrayList.forEach(Unknown Source) ~[?:1.8.0_141]\r\n    at com.XXXXXXXXXX.bqstream.data.Data.getData(Data.java:34) [bqstream.jar:?]\r\n    at com.XXXXXXXXXX.bqstream.BatchProcessor.apply(BatchProcessor.java:22) [bqstream.jar:?]\r\n    at com.XXXXXXXXXX.mdaolib.controller.BatchOutHandler.run(BatchOutHandler.java:35) [bqstream.jar:?]\r\n    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_141]\r\n    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_141]\r\n    at java.lang.Thread.run(Unknown Source) [?:1.8.0_141]\r\n```\r\n\r\nAfter looking at the code for InsertAll, it seems like some Preconditons call is performed on the row to be inserted. But why is the same performed on a data not provided in the Schema.","author":{"url":"https://github.com/surabhikannan","@type":"Person","name":"surabhikannan"},"datePublished":"2018-07-03T12:32:30.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":6},"url":"https://github.com/3424/google-cloud-java/issues/3424"}