ErrLookup › ReactiveX/RxJava

ReactiveX/RxJava

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM. · Java · 1,007 source files

Analyzed at a8ab535614 on 2026-08-13. 36 documented errors.

Code / MessageTypeSeverityTags
Use of unsafeCreate(Completable)!
exception error rxjava, completable, unsafe-create, api-misuse, argument-validation
count >= 0 required but it was {}
exception error rxjava, flowable, interval-range, argument-validation, arithmetic
Overflow! start + count is bigger than Long.MAX_VALUE
exception error rxjava, flowable, interval-range, overflow, arithmetic
unsafeCreate(Maybe) should be upgraded
exception error rxjava, maybe, unsafe-create, api-misuse, argument-validation
count >= 0 required but it was {}
exception error rxjava, observable, interval-range, argument-validation, arithmetic
Overflow! start + count is bigger than Long.MAX_VALUE
exception error rxjava, observable, interval-range, overflow, arithmetic
Integer overflow
exception error rxjava, observable, range, overflow, arithmetic
unsafeCreate(Single) should be upgraded
exception error rxjava, single, unsafe-create, api-misuse, argument-validation
count >= 0 required but it was {}
exception error rxjava, streamable, interval-range, argument-validation, arithmetic
Overflow! start + count is bigger than Long.MAX_VALUE
exception error rxjava, streamable, interval-range, overflow, arithmetic
Integer overflow
exception error rxjava, streamable, range, overflow, arithmetic
count >= 0 expected but it was {}
exception error validation, argument, streamable, skip, rxjava
errors is empty
exception error validation, argument, composite-exception, error-handling, rxjava
The class {} does not support isDisposed
exception error unsupported-operation, disposable, disposal, rxjava, type-design
Array of size 2 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 3 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 4 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 5 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 6 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 7 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 8 expected but got {}
exception error validation, argument, functions, arity, zip, rxjava
Array of size 9 expected but got {a.length}
exception error validation, argument, functions, arity, zip, rxjava
{paramName} > 0 required but it was {value}
exception error validation, argument, objecthelper, buffer, prefetch, rxjava
The source did not signal an event for {timeout} {unit} and
exception error timeout, future, multi, blocking, rxjava
The source did not signal an event for {timeout} {unit} and
exception error timeout, future, observer, blocking, rxjava
remove
exception error unsupported-operation, iterator, blocking, flowable, rxjava
Read-only iterator.
exception error unsupported-operation, iterator, blocking, flowable, latest, rxjava
Read only iterator
exception warning rxjava, iterator, unsupported-operation, blocking, flowable
No more elements
exception warning rxjava, nosuchelement, blocking, flowable, iterator, terminal
Read only iterator
exception warning rxjava, iterator, unsupported-operation, blocking, flowable
Operator ${operator} returned a null Subscriber
exception error rxjava, null-pointer, lift, custom-operator, reactive-streams, flowable
remove
exception warning rxjava, iterator, unsupported-operation, blocking, observable
Read-only iterator.
exception warning rxjava, iterator, unsupported-operation, blocking, observable
Read only iterator
exception warning rxjava, iterator, unsupported-operation, blocking, observable
No more elements
exception warning rxjava, nosuchelement, blocking, observable, iterator, terminal
Read only iterator
exception warning rxjava, iterator, unsupported-operation, blocking, observable