Can not create a Path from an empty string

[liangrui1988]

java.lang.IllegalArgumentException: Can not create a Path from an empty string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:127)
at org.apache.hadoop.fs.Path.(Path.java:135)
at org.apache.hadoop.fs.Path.(Path.java:99)
at org.apache.spark.streaming.BinlogWriteAheadLog.(BinlogWriteAheadLog.scala:25)
at org.apache.spark.sql.mlsql.sources.mysql.binlog.BinLogSocketServerInExecutor.(BinLogSocketServerInExecutor.scala:49)
at org.apache.spark.sql.mlsql.sources.MLSQLBinLogDataSource$$anonfun$org$apache$spark$sql$mlsql$sources$MLSQLBinLogDataSource$$launchBinlogServer$1$1.apply(MLSQLBinLogDataSource.scala:143)
at org.apache.spark.sql.mlsql.sources.MLSQLBinLogDataSource$$anonfun$org$apache$spark$sql$mlsql$sources$MLSQLBinLogDataSource$$launchBinlogServer$1$1.apply(MLSQLBinLogDataSource.scala:138)
at scala.collection.Iterator$$anon$11.next(Iterator.scala:409)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at scala.collection.generic.Growable$class.$plus$plus$eq(Growable.scala:59)
at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:104)
at scala.collection.mutable.ArrayBuffer.$plus$plus$eq(ArrayBuffer.scala:48)
at scala.collection.TraversableOnce$class.to(TraversableOnce.scala:310)
at scala.collection.AbstractIterator.to(Iterator.scala:1336)
at scala.collection.TraversableOnce$class.toBuffer(TraversableOnce.scala:302)
at scala.collection.AbstractIterator.toBuffer(Iterator.scala:1336)
at scala.collection.TraversableOnce$class.toArray(TraversableOnce.scala:289)
at scala.collection.AbstractIterator.toArray(Iterator.scala:1336)
at org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:945)
at org.apache.spark.rdd.RDD$$anonfun$collect$1$$anonfun$13.apply(RDD.scala:945)
at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2101)
at org.apache.spark.SparkContext$$anonfun$runJob$5.apply(SparkContext.scala:2101)
at org.apache.spark.scheduler.ResultTask.runTask(ResultTask.scala:90)
at org.apache.spark.scheduler.Task.run(Task.scala:121)
at org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:408)
at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1360)
at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:414)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
19/12/09 00:49:26 WARN TaskSetManager: Lost task 0.0 in stage 0.0 (TID 0, localhost, executor driver): java.lang.IllegalArgumentException: Can not create a Path from an empty string
at org.apache.hadoop.fs.Path.checkPathArg(Path.java:127)
at org.apache.hadoop.fs.Path.(Path.java:135)
at org.apache.hadoop.fs.Path.(Path.java:99)
at org.apache.spark.streaming.BinlogWriteAheadLog.(BinlogWriteAheadLog.scala:25)
at org.apache.spark.sql.mlsql.sources.mysql.binlog.BinLogSocketServerInExecutor.(BinLogSocketServerInExecutor.scala:49)
at org.apache.spark.sql.mlsql.sources.MLSQLBinLogDataSource$$anonfun$org$apache$spark$sql$mlsql$sources$MLSQLBinLogDataSource$$launchBinlogServer$1$1.apply(MLSQLBinLogDataSource.scala:143)
at org.apache.spark.sql.mlsql.sources.MLSQLBinLogDataSource$$anonfun$org$apache$spark$sql$mlsql$sources$MLSQLBinLogDataSource$$launchBinlogServer$1$1.apply(MLSQLBinLogDataSource.scala:138)
.......

[allwefantasy]

Can you paste your code here? It looks like parameter checkpointLocation is missing.