Scala Library errors

Standard library for the Scala Programming Language

http://www.scala-lang.org/
Solution coverage:
Summary coverage:

DescriptionException TypeEntry MethodWeb pages

ArrayOps$ofRef.length() has thrown a NullPointerException

java.lang.NullPointerException
scala.collection.mutable.ArrayOps$ofRef.length
8Web pages
NullPointerExceptionArrayOps$ofRef.length8
Package namePatterns foundSolution coverageSummary coverage
scala.concurrent.forkjoin772
scala.concurrent.impl152
scala.collection.immutable151
scala.collection115
scala112
scala.collection.mutable109
scala.runtime57
scala.io37
scala.util36
scala.concurrent31
scala.sys.process11
scala.util.matching7
scala.collection.convert5
scala.math4
scala.collection.generic4
scala.sys2
scala.collection.concurrent1
scala.collection.parallel.mutable1
scala.runtime.java81
scala.util.continuations1
scala.xml1
scala.collection.parallel1
scala.reflect1
scala.concurrent.duration1
Package nameClass namePatterns foundSolution coverageSummary coverage
scala.collection.mutableArrayBuffer25
scala.collection.mutableArrayOps$ofRef19
scala.collection.mutableListBuffer16
scala.collection.mutableHashMap12
scala.collection.mutableStringBuilder5
scala.collection.mutableMapBuilder4
scala.collection.mutableHashSet4
scala.collection.mutableArrayOps3
scala.collection.mutableWrappedArray$ofRef2
scala.collection.mutableArrayOps$ofInt2
scala.collection.mutableWrappedArray2
scala.collection.mutableMutableList2
scala.collection.mutableArrayBuilder$ofDouble2
scala.collection.mutableResizableArray1
scala.collection.mutableWrappedArray$ofInt1
scala.collection.mutableQueue1
scala.collection.mutableAbstractBuffer1
scala.collection.mutableAbstractSeq1
scala.collection.mutableArrayOps$ofRef$1
scala.collection.mutableLazyBuilder1
scala.collection.mutableArraySeq1
scala.collection.mutableAnyRefMap1
scala.collection.mutableStack1
scala.collection.mutableListMap1
Package nameClass nameMethod namePatterns foundSolution coverage
scala.collection.mutableArrayOps$ofRefforeach4
scala.collection.mutableArrayOps$ofReflength2
scala.collection.mutableArrayOps$ofRefmap2
scala.collection.mutableArrayOps$ofReffilter2
scala.collection.mutableArrayOps$ofReflast1
scala.collection.mutableArrayOps$ofReftoList1
scala.collection.mutableArrayOps$ofReftoStream1
scala.collection.mutableArrayOps$ofRefmkString1
scala.collection.mutableArrayOps$ofRefisEmpty1
scala.collection.mutableArrayOps$ofRefzipWithIndex1
scala.collection.mutableArrayOps$ofRefnewBuilder1
scala.collection.mutableArrayOps$ofRefhead1
scala.collection.mutableArrayOps$ofRefiterator1
Package nameClass nameMethod nameException TypePatterns foundSolution coverage
scala.collection.mutableArrayOps$ofReflengthNullPointerException2