Cyclic Dependency occurs when objects form an infinite recurring dependency graph. The head points to the tail and the tail points to the head.
Questions tagged [cyclic-dependency]
123 questions
2
votes
0 answers
Using an Express Server along with a Websocket Server; how can I trigger a Websocket send event after a POST to one of my routes?
I am currently making a backend server that uses Express and Websockets in Typescript. From a high level, my issue is that I would like to make it so that when I receive a POST to one of my routes, the handler for that route sends a message to a…

n0k
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- 5
2
votes
1 answer
How to resolve cyclic dependency in my SpriteKit game classes
I have:
1. Class GameScene that extends SKSCene:
#import
#import "GameLogic.h"
#import "Hero.h"
@interface GameScene : SKScene
-(void) addHeroMovementLineSegmentTo:(CGPoint)newTrajectoryPoint;
@property (nonatomic)…

Vladimir Despotovic
- 3,200
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2
votes
0 answers
How to deal with this cyclic module dependency in Haskell
Simplified version of hierarchy:
module A where
import MyState
data A a = A (StateT MyState IO a) deriving (...)
Now there is a module MyState:
module MyState where
import SomeType
data MyState = MyState { st :: SomeType, ... }
Finally the…

ksaveljev
- 550
- 2
- 16
2
votes
1 answer
Resolve cyclic dependency in template
I'm trying to implement a Fibonacci heap of pointers of a class called Node using Boost.
typedef boost::heap::fibonacci_heap FibonacciHeap;
typedef FibonacciHeap::handle_type HeapHandle;
So far, so good. But I also want to store handles for…

Domderon
- 263
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1
vote
3 answers
Attempting to define two dependable structures in C
I am trying to define two structures in C when the second struct uses the first as an array member and has two pointer members of itself.
Visual Studio does not like my code:
syntax error : '}'
syntax error : identifier 'tokenListNode'
syntax error…

AdiB
- 185
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1
vote
0 answers
MongoDB cyclic dependency error with mapReduce
I experienced a cyclic dependency error within mongoDB:
var mapFunction1 = function() {
var key = this.sex;
var value = {
count: 1,
price: this.height
};
…

ramo
- 11
- 2
1
vote
2 answers
Cyclic dependency in Maven, chickens and eggs
I have a project called 'talktome', with no runtime dependencies.
Also I have project 'talktome-tools', which depends on 'talktome'.
No problems, until I realize that the unit-tests in 'talktome' depends on 'talktome-tools'.
What solutions are…

doniatio
- 13
- 3
1
vote
0 answers
tomcat startup throws stackoverflowerror because of cyclic inheritance dependencies
I deployed my application war to tomcat, threw StackOverflowError after startup, the stacktrace is shown in the picture below.
According to the stacktrace tip and source code, i can find the cyclic inheritance dependencies…

Jadic
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1
vote
0 answers
Cyclic dependencies in spring Beans: what's wrong with it?
I've heard many times a "cyclic beans problem" in spring framework.
Could anyone describe when does it appear? I see 3 cases:
Bean A has autowired field of bean B, bean B has autowired field A. No constructors, no setters.
Both A and B has fields…

J.J. Beam
- 2,612
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vote
2 answers
How can you re-arrange items in an array based on its dependencies? and also detect any cyclic dependency
Given the type:
class Field{
public string Name{get;set;}
public string[] DependsOn{get;set;}
}
Let's say I have an array of Field items:
List fields = new List();
fields.Add(new Field() { Name = "FirstName" });
fields.Add(new…

Tawani
- 11,067
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1
vote
0 answers
How to calculate changing vertex weights in directed graphwith cyclic dependencies?
I am making a small game in Java to practice programming and came across this little issue that I can't seem to solve on my own.
In this game, I want to build a virtual shop where I can buy and sell items.
Most items can only be obtained in the game…

neph
- 55
- 7
1
vote
1 answer
Terraform | Cyclic dependency in "apply" stage when using "depends_on" for module
I'm struggling with cyclic dependency issue in terraform apply stage when using depends_on on a module.
The error I got in apply is:
* Cycle: aws_appautoscaling_policy.queue_depth_based_scale_out_policy,…

Aditya
- 1,334
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1
vote
0 answers
Angular 5 APP_INITIALIZER gives Cyclic dependency error
Angular 5 error.
I am having trouble with getting user details on page refresh from browser. I am trying to load the data using APP_INITIALIZER but getting below error -
compiler.js:19390 Uncaught Error: Provider parse errors:
Cannot instantiate…

maddie
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- 11
1
vote
1 answer
What is the best practice of filling `dag_id` of `ExternalTaskSensor` in Airflow 1.9.0?
How do you fill ExternalTaskSensor parameter external_dag_id?
Hardcode. It's very simple but hard to mantain DAG, if external DAG's dag_id changed you must keep in mind to change external_dag_id also. Even some misspell that is unware.
or import…

MoreFreeze
- 2,856
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1
vote
1 answer
Angular Provider, Cyclic Dependency Error
I get this error:
Provider parse errors: Cannot instantiate cyclic dependency!
I have a Component to make http calls to my backend:
backend.component.ts
import { HttpClient } from '@angular/common/http';
public basicQuery(): void {
…

HansDampfHH
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