FindBugs Results

The following document contains the results of FindBugs.

Summary

Files Errors
53 132

Files

Files Violations
jwutil.classloader.HijackingClassLoader 2
jwutil.collections.AbstrRelationMapBased 1
jwutil.collections.CollectionFactory$SerialCollectionFactory 1
jwutil.collections.CollectionTestWrapper 16
jwutil.collections.EntryValueComparator 1
jwutil.collections.EnumerationIterator 1
jwutil.collections.FilterIterator 1
jwutil.collections.GenericInvertibleMultiMap 1
jwutil.collections.MapFactory$3 1
jwutil.collections.GenericMultiMap 1
jwutil.collections.HashCodeComparator 4
jwutil.collections.SetFactory$SerialSetFactory 1
jwutil.collections.ListFactory$SerialListFactory 1
jwutil.collections.InstrumentedSetWrapper$GlobalStats 1
jwutil.collections.LightRelation 1
jwutil.collections.LinearMap$EntryIterator 1
jwutil.collections.SetRepository 3
jwutil.collections.SetUtil 1
jwutil.collections.SimpleHashSet 2
jwutil.collections.SizedArrayList 1
jwutil.collections.SortedArraySet$SubSet 2
jwutil.collections.SortedArraySet 2
jwutil.collections.UnionFindWithConstraints 1
jwutil.math.CombinationGenerator 3
jwutil.math.Distributions 2
jwutil.math.PermutationGenerator 2
jwutil.io.FillableInputStream 5
jwutil.io.FillableReader 4
jwutil.io.MyFileChannelImpl 2
jwutil.io.SystemProperties 2
jwutil.console.ResidentJava$ExecuteOptions 2
jwutil.console.ResidentJava 7
jwutil.console.SimpleInterpreter 7
jwutil.graphs.Dominators$DomIterator 1
jwutil.graphs.SCComponent 7
jwutil.graphs.LoopStructureGraph 9
jwutil.graphs.SCCPathNumbering$PostOrderComparator 1
jwutil.graphs.SCCPathNumbering$Path$1 1
jwutil.gui.AppletIO 5
jwutil.reflect.Reflect 4
jwutil.strings.Strings 1
jwutil.strings.Utf8 2
jwutil.io.ANSIColorStream 5
jwutil.graphs.SCCPathNumbering 1
jwutil.util.Assert 1
jwutil.collections.FibonacciHeap$Node 2
jwutil.collections.GenericInvertibleMultiMap$1$1 1
jwutil.graphs.DumpDotGraph 3
jwutil.graphs.RootPathNumbering 1
jwutil.collections.BinHeapPriorityQueue$Entry 1
jwutil.collections.CollectionFactory$2$1 1
jwutil.graphs.GlobalPathNumbering 1
jwutil.sync.AtomicCounter 1

jwutil.classloader.HijackingClassLoader

Violation Line Priority
DP: jwutil.classloader.HijackingClassLoader.makeClassLoader() creates a jwutil.classloader.HijackingClassLoader classloader, which should be performed within a doPrivileged block 37 Normal
BC: Unchecked/unconfirmed cast from java.lang.Exception to class java.lang.ClassNotFoundException in jwutil.classloader.HijackingClassLoader.findClass(String) 212 Low

jwutil.collections.AbstrRelationMapBased

Violation Line Priority
RI: Class jwutil.collections.AbstrRelationMapBased implements same interface as superclass. -1 Low

jwutil.collections.CollectionFactory$SerialCollectionFactory

Violation Line Priority
RI: Class jwutil.collections.CollectionFactory$SerialCollectionFactory implements same interface as superclass. -1 Low

jwutil.collections.CollectionTestWrapper

Violation Line Priority
BC: Questionable cast from Collection to abstract class java.util.SortedSet in jwutil.collections.CollectionTestWrapper.comparator() 227 Normal
BC: Questionable cast from Collection to abstract class java.util.SortedSet in jwutil.collections.CollectionTestWrapper.subSet(Object,Object) 237 Normal
BC: Questionable cast from Collection to abstract class java.util.SortedSet in jwutil.collections.CollectionTestWrapper.headSet(Object) 247 Normal
BC: Questionable cast from Collection to abstract class java.util.SortedSet in jwutil.collections.CollectionTestWrapper.tailSet(Object) 257 Normal
BC: Questionable cast from Collection to abstract class java.util.SortedSet in jwutil.collections.CollectionTestWrapper.first() 267 Normal
BC: Questionable cast from Collection to abstract class java.util.SortedSet in jwutil.collections.CollectionTestWrapper.last() 277 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.addAll(int,java.util.Collection) 287 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.get(int) 300 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.set(int,Object) 310 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.add(int,Object) 323 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.remove(int) 334 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.indexOf(Object) 345 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.lastIndexOf(Object) 355 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.listIterator() 375 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.listIterator(int) 392 Normal
BC: Questionable cast from Collection to abstract class java.util.List in jwutil.collections.CollectionTestWrapper.subList(int,int) 399 Normal

jwutil.collections.EntryValueComparator

Violation Line Priority
Se: jwutil.collections.EntryValueComparator implements Comparator but not Serializable -1 Normal

jwutil.collections.EnumerationIterator

Violation Line Priority
RI: Class jwutil.collections.EnumerationIterator implements same interface as superclass. -1 Low

jwutil.collections.FilterIterator

Violation Line Priority
RI: Class jwutil.collections.FilterIterator implements same interface as superclass. -1 Low

jwutil.collections.GenericInvertibleMultiMap

Violation Line Priority
WMI: Method jwutil.collections.GenericInvertibleMultiMap.putAll(java.util.Map) makes inefficient use of keySet iterator instead of entrySet iterator 221 Normal

jwutil.collections.MapFactory$3

Violation Line Priority
Se: Class jwutil.collections.MapFactory$3 defines non-transient non-serializable instance field jwutil.collections.MapFactory$3.val$mf -1 Normal

jwutil.collections.GenericMultiMap

Violation Line Priority
CN: clone method jwutil.collections.GenericMultiMap.clone() does not call super.clone() 539 Normal

jwutil.collections.HashCodeComparator

Violation Line Priority
Se: jwutil.collections.HashCodeComparator implements Comparator but not Serializable -1 Normal
DC: Possible doublecheck on jwutil.collections.HashCodeComparator.duplicate_hashcode_objects in jwutil.collections.HashCodeComparator.compare(Object,Object) 86 Normal
SC: jwutil.collections.HashCodeComparator.<init>() invokes java.lang.Thread.start() 52 Normal
UwF: Field not initialized in constructor: jwutil.collections.HashCodeComparator.duplicate_hashcode_objects -1 Low

jwutil.collections.SetFactory$SerialSetFactory

Violation Line Priority
RI: Class jwutil.collections.SetFactory$SerialSetFactory implements same interface as superclass. -1 Low

jwutil.collections.ListFactory$SerialListFactory

Violation Line Priority
RI: Class jwutil.collections.ListFactory$SerialListFactory implements same interface as superclass. -1 Low

jwutil.collections.InstrumentedSetWrapper$GlobalStats

Violation Line Priority
DLS: Dead store to i2 in method jwutil.collections.InstrumentedSetWrapper$GlobalStats.finish(InstrumentedSetWrapper$InstrumentationResults) 106 Normal

jwutil.collections.LightRelation

Violation Line Priority
RI: Class jwutil.collections.LightRelation implements same interface as superclass. -1 Low

jwutil.collections.LinearMap$EntryIterator

Violation Line Priority
It: jwutil.collections.LinearMap$EntryIterator.next() can't throw NoSuchElement exception 154 Low

jwutil.collections.SetRepository

Violation Line Priority
Se: Class jwutil.collections.SetRepository defines non-transient non-serializable instance field jwutil.collections.SetRepository.entryFactory -1 Normal
Se: jwutil.collections.LightMap$Factory stored into non-transient field jwutil.collections.SetRepository.entryFactory 71 Normal
DLS: Dead store to s1 in method jwutil.collections.SetRepository.checkDisjoint(java.util.Collection) 183 Low

jwutil.collections.SetUtil

Violation Line Priority
BC: Questionable cast from Collection to abstract class java.util.Set in jwutil.collections.SetUtil.uniquify(CollectionFactory,java.util.Collection) 101 Normal

jwutil.collections.SimpleHashSet

Violation Line Priority
DLS: Dead store to o in method jwutil.collections.SimpleHashSet.add(Object) 42 Normal
DLS: Dead store to arg1 in method jwutil.collections.SimpleHashSet.put(Object,Object) 395 Normal

jwutil.collections.SizedArrayList

Violation Line Priority
EI2: jwutil.collections.SizedArrayList.<init>(Object[],int) may expose internal representation by storing an externally mutable object into jwutil.collections.SizedArrayList.array 20 Normal

jwutil.collections.SortedArraySet$SubSet

Violation Line Priority
IL: There is an apparent infinite recursive loop in jwutil.collections.SortedArraySet$SubSet.lastIndexOf(Object). 436 High
RI: Class jwutil.collections.SortedArraySet$SubSet implements same interface as superclass. -1 Low

jwutil.collections.SortedArraySet

Violation Line Priority
Se: Class jwutil.collections.SortedArraySet defines non-transient non-serializable instance field jwutil.collections.SortedArraySet.comparator -1 Normal
RI: Class jwutil.collections.SortedArraySet implements same interface as superclass. -1 Low

jwutil.collections.UnionFindWithConstraints

Violation Line Priority
DLS: Dead store to neq in method jwutil.collections.UnionFindWithConstraints.randomTest() 375 Low

jwutil.math.CombinationGenerator

Violation Line Priority
EI: jwutil.math.CombinationGenerator.getCurrent() may expose internal representation by returning jwutil.math.CombinationGenerator.a 87 Normal
EI: jwutil.math.CombinationGenerator.getNext() may expose internal representation by returning jwutil.math.CombinationGenerator.a 98 Normal
EI: jwutil.math.CombinationGenerator.getNext() may expose internal representation by returning jwutil.math.CombinationGenerator.a 109 Normal

jwutil.math.Distributions

Violation Line Priority
DLS: Dead store to beta in method jwutil.math.Distributions.betai(double,double,double) 148 Low
FE: Test for floating point equality in jwutil.math.Distributions.betai(double,double,double). 149 Low

jwutil.math.PermutationGenerator

Violation Line Priority
EI: jwutil.math.PermutationGenerator.getNext() may expose internal representation by returning jwutil.math.PermutationGenerator.a 71 Normal
EI: jwutil.math.PermutationGenerator.getNext() may expose internal representation by returning jwutil.math.PermutationGenerator.a 100 Normal

jwutil.io.FillableInputStream

Violation Line Priority
No: Using notify rather than notifyAll in jwutil.io.FillableInputStream.read() 74 Low
No: Using notify rather than notifyAll in jwutil.io.FillableInputStream.read(byte[],int,int) 91 Low
No: Using notify rather than notifyAll in jwutil.io.FillableInputStream.write(int) 125 Low
No: Using notify rather than notifyAll in jwutil.io.FillableInputStream.write(byte[],int,int) 151 Low
PS: Class jwutil.io.FillableInputStream exposes synchronization and semaphores in its public interface. 69 Normal

jwutil.io.FillableReader

Violation Line Priority
No: Using notify rather than notifyAll in jwutil.io.FillableReader.read() 93 Low
No: Using notify rather than notifyAll in jwutil.io.FillableReader.read(char[],int,int) 112 Low
No: Using notify rather than notifyAll in jwutil.io.FillableReader.write(int) 137 Low
No: Using notify rather than notifyAll in jwutil.io.FillableReader.write(char[],int,int) 172 Low

jwutil.io.MyFileChannelImpl

Violation Line Priority
RI: Class jwutil.io.MyFileChannelImpl implements same interface as superclass. -1 Low
BC: Unchecked/unconfirmed cast from java.lang.Throwable to class java.io.IOException in jwutil.io.MyFileChannelImpl.getFileChannel(Object) 55 Low

jwutil.io.SystemProperties

Violation Line Priority
DP: jwutil.io.SystemProperties.setField(Object,java.lang.reflect.Field,String) invokes java.lang.reflect.Field.setAccessible(boolean), which should be invoked from within a doPrivileged block 165 Low
OS: jwutil.io.SystemProperties.getPropertyFromFile(String,String) may fail to close stream 83 Normal

jwutil.console.ResidentJava$ExecuteOptions

Violation Line Priority
Dm: jwutil.console.ResidentJava$ExecuteOptions.parse(String) invokes System.exit(...), which shuts down the entire virtual machine 257 Low
UwF: Field not initialized in constructor: jwutil.console.ResidentJava$ExecuteOptions.mainMethod -1 Low

jwutil.console.ResidentJava

Violation Line Priority
Dm: jwutil.console.ResidentJava.garbageCollect() forces garbage collection; extremely dubious except in benchmarking code 214 High
DLS: Dead store to i in method jwutil.console.ResidentJava.readLine(java.io.InputStream) 119 Low
MS: jwutil.console.ResidentJava.CR isn't final but should be 93 High
MS: jwutil.console.ResidentJava.CRLF isn't final but should be 94 High
MS: jwutil.console.ResidentJava.AUTO isn't final but should be 95 High
MS: jwutil.console.ResidentJava.EOL isn't final but should be 96 High
MS: jwutil.console.ResidentJava.USE_HIJACKING_CLASSLOADER isn't final but should be 201 High

jwutil.console.SimpleInterpreter

Violation Line Priority
DP: jwutil.console.SimpleInterpreter.newObject(String,String,String[],int) creates a java.net.URLClassLoader classloader, which should be performed within a doPrivileged block 52 Normal
DP: jwutil.console.SimpleInterpreter.invokeMethod(Object,String,String[],int) invokes java.lang.reflect.Method.setAccessible(boolean), which should be invoked from within a doPrivileged block 107 Low
DP: jwutil.console.SimpleInterpreter.clone(Object,Class) invokes java.lang.reflect.Field.setAccessible(boolean), which should be invoked from within a doPrivileged block 271 Low
DP: jwutil.console.SimpleInterpreter.clone(Object,Class) invokes java.lang.reflect.Field.setAccessible(boolean), which should be invoked from within a doPrivileged block 273 Low
EI2: jwutil.console.SimpleInterpreter.<init>(java.net.URL[],java.util.Map) may expose internal representation by storing an externally mutable object into jwutil.console.SimpleInterpreter.classpath 33 Normal
EI2: jwutil.console.SimpleInterpreter.setClassPath(java.net.URL[]) may expose internal representation by storing an externally mutable object into jwutil.console.SimpleInterpreter.classpath 42 Normal
MS: jwutil.console.SimpleInterpreter.verbose isn't final but should be 24 Normal

jwutil.graphs.Dominators$DomIterator

Violation Line Priority
It: jwutil.graphs.Dominators$DomIterator.next() can't throw NoSuchElement exception 417 Normal

jwutil.graphs.SCComponent

Violation Line Priority
EI: jwutil.graphs.SCComponent.next() may expose internal representation by returning jwutil.graphs.SCComponent.next 345 Normal
EI: jwutil.graphs.SCComponent.prev() may expose internal representation by returning jwutil.graphs.SCComponent.prev 359 Normal
EI: jwutil.graphs.SCComponent.nodes() may expose internal representation by returning jwutil.graphs.SCComponent.nodes_array 375 Normal
EI: jwutil.graphs.SCComponent.entries() may expose internal representation by returning jwutil.graphs.SCComponent.entries 400 Normal
EI: jwutil.graphs.SCComponent.exits() may expose internal representation by returning jwutil.graphs.SCComponent.exits 409 Normal
UPM: Private method jwutil.graphs.SCComponent.prevStringRepr() is never called 469 Low
UPM: Private method jwutil.graphs.SCComponent.nextStringRepr() is never called 483 Low

jwutil.graphs.LoopStructureGraph

Violation Line Priority
Nm: The method name jwutil.graphs.LoopStructureGraph.ModifiedHavlakAlgorithm(java.util.Collection,Navigator) doesn't start with an lower case letter 67 Low
DLS: Dead store to worklist in method jwutil.graphs.LoopStructureGraph.findloop(Object) 39 High
DLS: Dead store to loopBody in method jwutil.graphs.LoopStructureGraph.findloop(Object) 38 High
DLS: Dead store to find_y in method jwutil.graphs.LoopStructureGraph.processCrossFwdEdges(Object) 59 Low
DLS: Dead store to find_z in method jwutil.graphs.LoopStructureGraph.processCrossFwdEdges(Object) 60 Low
UwF: Field not initialized in constructor: jwutil.graphs.LoopStructureGraph.LP -1 Low
UwF: Field not initialized in constructor: jwutil.graphs.LoopStructureGraph.RLH -1 Low
UwF: Field not initialized in constructor: jwutil.graphs.LoopStructureGraph.crossFwdEdges -1 Low
UwF: Field not initialized in constructor: jwutil.graphs.LoopStructureGraph.loopParent -1 Low

jwutil.graphs.SCCPathNumbering$PostOrderComparator

Violation Line Priority
Se: jwutil.graphs.SCCPathNumbering$PostOrderComparator implements Comparator but not Serializable -1 Normal

jwutil.graphs.SCCPathNumbering$Path$1

Violation Line Priority
It: jwutil.graphs.SCCPathNumbering$Path$1.next() can't throw NoSuchElement exception 376 Normal

jwutil.gui.AppletIO

Violation Line Priority
SW: Call to swing method in jwutil.gui.AppletIO.main(String[]) needs to be performed in Swing event thread 298 Low
Se: Class jwutil.gui.AppletIO defines non-transient non-serializable instance field jwutil.gui.AppletIO.inputWriter -1 Normal
Se: Class jwutil.gui.AppletIO defines non-transient non-serializable instance field jwutil.gui.AppletIO.method -1 High
REC: Method jwutil.gui.AppletIO.init() catches Exception, but Exception is not thrown in the try block and RuntimeException is not explicitly caught 218 Low
MS: jwutil.gui.AppletIO.DEFAULT_ENCODING isn't final but should be 44 High

jwutil.reflect.Reflect

Violation Line Priority
DP: jwutil.reflect.Reflect.getDeclaredMethod(Class,String,Class[]) invokes java.lang.reflect.Method.setAccessible(boolean), which should be invoked from within a doPrivileged block 75 Low
REC: Method jwutil.reflect.Reflect.setBooleanField(String,String,boolean) catches Exception, but Exception is not thrown in the try block and RuntimeException is not explicitly caught 183 Low
BC: Unchecked/unconfirmed cast from java.lang.Throwable to class java.lang.RuntimeException in jwutil.reflect.Reflect.invoke(ClassLoader,String,String,Class[],Object[]) 161 Low
BC: Unchecked/unconfirmed cast from java.lang.Throwable to class java.lang.Error in jwutil.reflect.Reflect.invoke(ClassLoader,String,String,Class[],Object[]) 163 Low

jwutil.strings.Strings

Violation Line Priority
DLS: Dead store to index in method jwutil.strings.Strings.replace(String,String,String) 124 Low

jwutil.strings.Utf8

Violation Line Priority
DLS: Dead store to $l7 in method jwutil.strings.Utf8.fromUtf8(byte[]) 66 Low
DLS: Dead store to $l5 in method jwutil.strings.Utf8.checkUtf8(byte[]) 210 Low

jwutil.io.ANSIColorStream

Violation Line Priority
MS: jwutil.io.ANSIColorStream.OFF isn't final but should be 21 High
MS: jwutil.io.ANSIColorStream.blue isn't final but should be 38 High
MS: jwutil.io.ANSIColorStream.red isn't final but should be 40 High
MS: jwutil.io.ANSIColorStream.green isn't final but should be 42 High
MS: jwutil.io.ANSIColorStream.cyan isn't final but should be 44 High

jwutil.graphs.SCCPathNumbering

Violation Line Priority
MS: jwutil.graphs.SCCPathNumbering.TRACE_NUMBERING isn't final but should be 38 High

jwutil.util.Assert

Violation Line Priority
MS: jwutil.util.Assert._debug isn't final but should be 95 High

jwutil.collections.FibonacciHeap$Node

Violation Line Priority
UwF: Field not initialized in constructor: jwutil.collections.FibonacciHeap$Node.next -1 Low
UwF: Field not initialized in constructor: jwutil.collections.FibonacciHeap$Node.previous -1 Low

jwutil.collections.GenericInvertibleMultiMap$1$1

Violation Line Priority
UwF: Field not initialized in constructor: jwutil.collections.GenericInvertibleMultiMap$1$1.last -1 Low

jwutil.graphs.DumpDotGraph

Violation Line Priority
UwF: Field not initialized in constructor: jwutil.graphs.DumpDotGraph.navigator -1 Low
UwF: Field not initialized in constructor: jwutil.graphs.DumpDotGraph.nodes -1 Low
UwF: Unwritten field: jwutil.graphs.DumpDotGraph.concentrate -1 Low

jwutil.graphs.RootPathNumbering

Violation Line Priority
UwF: Field not initialized in constructor: jwutil.graphs.RootPathNumbering.iMap -1 Low

jwutil.collections.BinHeapPriorityQueue$Entry

Violation Line Priority
SIC: Should jwutil.collections.BinHeapPriorityQueue$Entry be a _static_ inner class? -1 Normal

jwutil.collections.CollectionFactory$2$1

Violation Line Priority
SIC: The class jwutil.collections.CollectionFactory$2$1 could be refactored into a named _static_ inner class -1 Low

jwutil.graphs.GlobalPathNumbering

Violation Line Priority
UuF: Unused field: jwutil.graphs.GlobalPathNumbering.navigator -1 Normal

jwutil.sync.AtomicCounter

Violation Line Priority
IS: Inconsistent synchronization of jwutil.sync.AtomicCounter.current; locked 75% of time 34 Low