Can not create bean flipAnnotationsStore

[mxhc]

I used flips web dependency and @import(FlipWebContextConfiguration.class)
Spring boot 2.1.2
It always throws this exception:
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'flipAnnotationsStore': Invocation of init method failed; nested exception is java.lang.NullPointerException
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:139) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyBeanPostProcessorsBeforeInitialization(AbstractAutowireCapableBeanFactory.java:419) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1737) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:576) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:498) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.lambda$doGetBean$0(AbstractBeanFactory.java:320) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:318) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:199) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:846) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:863) ~[spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:546) ~[spring-context-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:142) ~[spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:775) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:397) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:316) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1260) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1248) [spring-boot-2.1.2.RELEASE.jar:2.1.2.RELEASE]
at com.smort.RestDemoApplication.main(RestDemoApplication.java:14) [classes/:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.boot.devtools.restart.RestartLauncher.run(RestartLauncher.java:49) [spring-boot-devtools-2.1.2.RELEASE.jar:2.1.2.RELEASE]
Caused by: java.lang.NullPointerException: null
at org.flips.store.FlipAnnotationsStore.getAllMethodsWithConditionEvaluator(FlipAnnotationsStore.java:76) ~[flips-core-1.0.1.jar:na]
at org.flips.store.FlipAnnotationsStore.lambda$buildFlipAnnotationsStore$0(FlipAnnotationsStore.java:53) ~[flips-core-1.0.1.jar:na]
at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267) ~[na:1.8.0_161]
at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[na:1.8.0_161]
at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_161]
at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_161]
at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_161]
at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_161]
at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_161]
at org.flips.store.FlipAnnotationsStore.buildFlipAnnotationsStore(FlipAnnotationsStore.java:54) ~[flips-core-1.0.1.jar:na]
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_161]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_161]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_161]
at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_161]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleElement.invoke(InitDestroyAnnotationBeanPostProcessor.java:363) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor$LifecycleMetadata.invokeInitMethods(InitDestroyAnnotationBeanPostProcessor.java:307) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
at org.springframework.beans.factory.annotation.InitDestroyAnnotationBeanPostProcessor.postProcessBeforeInitialization(InitDestroyAnnotationBeanPostProcessor.java:136) ~[spring-beans-5.1.4.RELEASE.jar:5.1.4.RELEASE]
... 23 common frames omitted

Process finished with exit code 0

[SarthakMakhija]

Thank you for informing, we will take a look.
In the meantime if it is possible pls share the code, if you can and do take a look at https://github.com/SarthakMakhija/flips-samples?files=1
for samples in spring boot 2

[mxhc]

thank you for your fast reply. I followed the samples from the url you supplied. In one sample project I created just to test the feature, it works just fine.
In my main project, as soon as I put the @import(FlipWebContextConfiguration.class), I get this exception.
I have just one @Flipoff annotation on one controller method. Thats all.
You want me to share my pom with you? Or something else?

package com.smort;

import org.flips.describe.config.FlipWebContextConfiguration;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Import;
import org.springframework.context.annotation.PropertySource;

@import(FlipWebContextConfiguration.class)
@SpringBootApplication
@propertysource("classpath:messages.properties")
public class RestDemoApplication {
public static void main(String[] args) {
SpringApplication.run(RestDemoApplication.class, args);
}

}

[SarthakMakhija]

Yeah, pom.xml should be fine.

Thank you, will get back soon.

[mxhc]

4.0.0

org.springframework.boot
spring-boot-starter-parent
2.1.2.RELEASE


com.smort
rest-demo
0.0.1-SNAPSHOT
jar

<name>rest-demo</name>
<description>Spring 5 REST Demo</description>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
    <java.version>1.8</java.version>
    <org.mapstruct.version>1.2.0.Final</org.mapstruct.version>
    <springfox-swagger2.version>2.9.2</springfox-swagger2.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-data-jpa</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-devtools</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>com.h2database</groupId>
        <artifactId>h2</artifactId>
        <scope>runtime</scope>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <optional>true</optional>
    </dependency>
    <dependency>
        <groupId>org.mapstruct</groupId>
        <artifactId>mapstruct</artifactId>
        <version>${org.mapstruct.version}</version>
    </dependency>


    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-security</artifactId>
    </dependency>


    <!--swagger-->
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger2</artifactId>
        <version>${springfox-swagger2.version}</version>
    </dependency>
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-swagger-ui</artifactId>
        <version>${springfox-swagger2.version}</version>
    </dependency>
    <dependency>
        <groupId>io.springfox</groupId>
        <artifactId>springfox-bean-validators</artifactId>
        <version>2.9.2</version>
    </dependency>
    <!--end of swagger-->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-test</artifactId>
        <scope>test</scope>
    </dependency>

    <!--security test-->
    <dependency>
        <groupId>org.springframework.security</groupId>
        <artifactId>spring-security-test</artifactId>
        <scope>test</scope>
    </dependency>
    <!--end of security test-->

    <!--apache commons file upload-->
    <dependency>
        <groupId>commons-fileupload</groupId>
        <artifactId>commons-fileupload</artifactId>
        <version>1.3.3</version>
    </dependency>


    <dependency>
        <groupId>com.github.feature-flip</groupId>
        <artifactId>flips-web</artifactId>
        <version>1.0.1</version>
    </dependency>
</dependencies>


<build>
    <plugins>

        <plugin>
            <groupId>org.codehaus.mojo</groupId>
            <artifactId>versions-maven-plugin</artifactId>
            <version>2.7</version>
            <configuration>
                <generateBackupPoms>false</generateBackupPoms>
            </configuration>
        </plugin>

        <plugin>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-maven-plugin</artifactId>
            <configuration>
                <addResources>true</addResources>
            </configuration>
        </plugin>

        <plugin>
            <artifactId>maven-surefire-plugin</artifactId>
            <version>3.0.0-M3</version>
            <configuration>

            </configuration>
        </plugin>

        <plugin>
            <groupId>org.apache.maven.plugins</groupId>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.8.0</version>
            <configuration>
                <annotationProcessorPaths>
                    <path>
                        <groupId>org.projectlombok</groupId>
                        <artifactId>lombok</artifactId>
                        <version>${lombok.version}</version>
                    </path>
                    <path>
                        <groupId>org.mapstruct</groupId>
                        <artifactId>mapstruct-processor</artifactId>
                        <version>${org.mapstruct.version}</version>
                    </path>
                </annotationProcessorPaths>
                <compilerArgs>
                    <compilerArg>
                        -Amapstruct.defaultComponentModel=spring
                    </compilerArg>
                </compilerArgs>
            </configuration>
        </plugin>

    </plugins>
</build>

[mxhc]

I tried it in yet another project, and same problem.
Added a flips web dependency, flipped some controller methods off, added a controller advice and imported FlipWebContextConfiguration.
Same error.
The project was made with spring boot 1.4.7

Created new project from https://start.spring.io, added a few dependencies and made a simple controller with 2 methods, and it works fine. Why it doesn't work in my project? What am I doing wrong?

always on this line
if (!this.isPackageExcludedFromScan(clazz.getPackage().getName())) {
in public class FlipAnnotationsStore

Also tried it on this project:
https://github.com/mxhc/sfg-pet-clinic

you can test it.
Just add flips web dependency and import FlipWebContextConfiguration. It crashes every time.

Hope you will have time to check it out.

[SarthakMakhija]

Give me some time, I will definitely get back ..

[mxhc]

nothing?

[amcguinness056]

Hi,
I am also having this issues and keen to find out if there has been a solution?

Thanks,
Aaron

[tchevganov-aires]

Any update on this? I was looking into using this project, but getting the same NPE as mentioned above.

[chrispwright]

Any updates on this? Having a similar issue on this line:

at org.flips.store.FlipAnnotationsStore.buildFlipAnnotationsStore(FlipAnnotationsStore.java:54)

.collect(toMap(MethodConditionEvaluator::getMethod, MethodConditionEvaluator::getFlipConditionEvaluator));

Seems to not like Request Scoped Beans

@Scope(value = "request", proxyMode = ScopedProxyMode.TARGET_CLASS)

[SarthakMakhija]

Hey @chrispwright

Apologies, haven't been able to find time for this. Has been in the backlog for long but just keeps getting pushed.

Apologies again ..

[SarthakMakhija]

Hello @tchevganov-aires

Apologies, haven't been able to find time for this. Has been in the backlog for long but just keeps getting pushed.

Apologies again ..

[SarthakMakhija]

Hello @amcguinness056

Apologies, haven't been able to find time for this. Has been in the backlog for long but just keeps getting pushed.

Apologies again ..