와.. 스프링 원래 이렇게 어렵냐?

php 하다가 자바 계열로 전향해볼까 해서 스프링 시작했는데,

야 이거 왜이렇게 어렵냐?

이거 하나 해결 못해서 삽질중이다.

와 그냥 하던거 해야하나...

java.lang.NullPointerException

at hello.hello.spring.repository.MemoryMemberRepository.lambda$findByName$0(MemoryMemberRepository.java:29)

at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:176)

at java.base/java.util.HashMap$ValueSpliterator.tryAdvance(HashMap.java:1696)

at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127)

at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502)

at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488)

at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)

at java.base/java.util.stream.FindOps$FindOp.evaluateSequential(FindOps.java:150)

at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)

at java.base/java.util.stream.ReferencePipeline.findAny(ReferencePipeline.java:548)

at hello.hello.spring.repository.MemoryMemberRepository.findByName(MemoryMemberRepository.java:30)

at hello.hello.spring.repository.MemoryMemberRepositoryTest.findByName(MemoryMemberRepositoryTest.java:46)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)

at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)

at java.base/java.lang.reflect.Method.invoke(Method.java:566)

at org.junit.platform.commons.util.ReflectionUtils.invokeMethod(ReflectionUtils.java:688)

at org.junit.jupiter.engine.execution.MethodInvocation.proceed(MethodInvocation.java:60)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain$ValidatingInvocation.proceed(InvocationInterceptorChain.java:131)

at org.junit.jupiter.engine.extension.TimeoutExtension.intercept(TimeoutExtension.java:149)

at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestableMethod(TimeoutExtension.java:140)

at org.junit.jupiter.engine.extension.TimeoutExtension.interceptTestMethod(TimeoutExtension.java:84)

at org.junit.jupiter.engine.execution.ExecutableInvoker$ReflectiveInterceptorCall.lambda$ofVoidMethod$0(ExecutableInvoker.java:115)

at org.junit.jupiter.engine.execution.ExecutableInvoker.lambda$invoke$0(ExecutableInvoker.java:105)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain$InterceptedInvocation.proceed(InvocationInterceptorChain.java:106)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain.proceed(InvocationInterceptorChain.java:64)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain.chainAndInvoke(InvocationInterceptorChain.java:45)

at org.junit.jupiter.engine.execution.InvocationInterceptorChain.invoke(InvocationInterceptorChain.java:37)

at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:104)

at org.junit.jupiter.engine.execution.ExecutableInvoker.invoke(ExecutableInvoker.java:98)

at org.junit.jupiter.engine.descriptor.TestMethodTestDescriptor.lambda$invokeTestMethod$6(TestMethodTestDescriptor.java:210)