Error Prone is a static analysis tool that can catch potential bugs at compile time. Given that it increases compile times (especially so on bigger projects), it is generally not enabled locally (only in CI). To avoid waiting until this is flagged after a developer has pushed their changes, this document lists the (roughly) equivalent IntelliJ inspections for each Error Prone bug pattern.
| Bug Pattern | Inspection |
|---|---|
| ArrayEquals | Array comparison using '==' instead of 'Arrays.equals' 'equals()' called on Array 'Objects.equals()' called on arrays' |
| ArrayHashCode | 'hashCode()' called on array |
| ArrayToString | Call to 'toString()' on array |
| BadShiftAmount | Shift operation by inappropriate context |
| CheckReturnValue | Result of method call ignored |
| CollectionIncompatibleType | Suspicious collections method calls |
| ComplexBooleanConstant | Pointless boolean expression |
| ConstantOverflow | Integer multiplication or shift implicitly cast |
| DepAnn | Missing @Deprecated annotation |
| EqualsIncompatibleType | 'equals()' between objects of inconvertible types |
| EqualsNaN | Comparison to Double.NaN or Float.NaN |
| FormatString | Malformed format string |
| GetClassOnClass | Class.getClass() call |
| GuardedBy | Unguarded field access |
| Immutable | Non-final field in @Immutable class |
| InfiniteRecursion | Infinite recursion |
| InvalidPatternSyntax | Malformed regular expression |
| Junit4ClassAnnotationNonStatic | Malformed @BeforeClass/@BeforeAll or @AfterClass/@AfterAll method |
| Junit4SetUpNotRun | Malformed @Before or @After method Malformed 'setUp()' or 'tearDown()' method |
| Junit4TearDownNotRun | Malformed @Before or @After method Malformed 'setUp()' or 'tearDown()' method |
| LoopConditionChecker | Loop variable not updated inside loop |
| MissingOverride | Missing @Override annotation |
| MissingSuperCall | Method does not call super method |
| MustBeClosedChecker | AutoCloseable used without 'try-with-resources' |
| MoreThanOneInjectableConstructor | Multiple @Inject constructors for class |
| PreconditionsCheckNotNull | Null-check method is called with obviously non-null argument |
| PreconditionsCheckNotNullPrimitive | Null-check method is called with obviously non-null argument |
| RandomCast | 'Math.random()' cast to 'int' |
| RemoveUnusedImports | Unused import |
| SelfAssignment | Variable is assigned to itself |
| SizeGreaterThanOrEqualsZero | 'size() == 0' replaceable with 'isEmpty()' |
| StreamToString | Call to default 'toString()' |
| StringBuilderInitWithChar | StringBuilder constructor call with 'char' argument |
| ThrowNull | 'null' thrown |
This table can be aligned in Vim with :EasyAlign*|