Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via GitHub by car2008
, 1 year ago
Function not implemented
via GitHub by sezgib
, 11 months ago
Function not implemented
via Stack Overflow by christian667
, 2 years ago
via JDK Bug System by Hendrik Schreiber, 1 year ago
java.io.IOException: Function not implemented	at sun.nio.ch.FileDispatcherImpl.lock0(Native Method)	at sun.nio.ch.FileDispatcherImpl.lock(FileDispatcherImpl.java:90)	at sun.nio.ch.FileChannelImpl.lock(FileChannelImpl.java:1072)	at java.nio.channels.FileChannel.lock(FileChannel.java:1053)	at org.apache.spark.util.Utils$.fetchFile(Utils.scala:377)	at org.apache.spark.executor.Executor$$anonfun$org$apache$spark$executor$Executor$$updateDependencies$5.apply(Executor.scala:405)	at org.apache.spark.executor.Executor$$anonfun$org$apache$spark$executor$Executor$$updateDependencies$5.apply(Executor.scala:397)	at scala.collection.TraversableLike$WithFilter$$anonfun$foreach$1.apply(TraversableLike.scala:772)	at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)	at scala.collection.mutable.HashMap$$anonfun$foreach$1.apply(HashMap.scala:98)	at scala.collection.mutable.HashTable$class.foreachEntry(HashTable.scala:226)	at scala.collection.mutable.HashMap.foreachEntry(HashMap.scala:39)	at scala.collection.mutable.HashMap.foreach(HashMap.scala:98)	at scala.collection.TraversableLike$WithFilter.foreach(TraversableLike.scala:771)	at org.apache.spark.executor.Executor.org$apache$spark$executor$Executor$$updateDependencies(Executor.scala:397)	at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:193)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)