Github user breakdawn commented on the issue:
https://github.com/apache/spark/pull/14324
8118 cols limit due to janino, the exception like following, might be
another story
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.org$apache$spark$sql$catalyst$expressions$codegen$CodeGenerator$$doCompile(CodeGenerator.scala:889)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$$anon$1.load(CodeGenerator.scala:941)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$$anon$1.load(CodeGenerator.scala:938)
at
com.google.common.cache.LocalCache$LoadingValueReference.loadFuture(LocalCache.java:3599)
at
com.google.common.cache.LocalCache$Segment.loadSync(LocalCache.java:2379)
... 25 more
Caused by: java.io.EOFException
at java.io.DataInputStream.readFully(DataInputStream.java:197)
at java.io.DataInputStream.readFully(DataInputStream.java:169)
at org.codehaus.janino.util.ClassFile.loadAttribute(ClassFile.java:1509)
at org.codehaus.janino.util.ClassFile.loadAttributes(ClassFile.java:644)
at org.codehaus.janino.util.ClassFile.loadFields(ClassFile.java:623)
at org.codehaus.janino.util.ClassFile.<init>(ClassFile.java:280)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$$anonfun$recordCompilationStats$1.apply(CodeGenerator.scala:914)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$$anonfun$recordCompilationStats$1.apply(CodeGenerator.scala:912)
at scala.collection.Iterator$class.foreach(Iterator.scala:893)
at scala.collection.AbstractIterator.foreach(Iterator.scala:1336)
at scala.collection.IterableLike$class.foreach(IterableLike.scala:72)
at scala.collection.AbstractIterable.foreach(Iterable.scala:54)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.recordCompilationStats(CodeGenerator.scala:912)
at
org.apache.spark.sql.catalyst.expressions.codegen.CodeGenerator$.org$apache$spark$sql$catalyst$expressions$codegen$CodeGenerator$$doCompile(CodeGenerator.scala:884)
... 29 more
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