spring下载问题总结

3天，整了三天终于可以跑了！

总结一下：

java版本：jdk11

编辑器：2020.3.6（2020版的都可以主要解决kotline的问题版本对应）

spring源码：5.1.x

gradle:6.5.1

步骤：

1、先进入github然后通过spring找到spring project/springframework，复制git地址

2、打开idea从git上把spring源码版本5.1下载下来（经常进不去很烦！！！）

采用git clone -b https://github.com/spring-projects/spring-framework.git的方式GitHub - spring-projects/spring-framework: Spring FrameworkSpring Framework. Contribute to spring-projects/spring-framework development by creating an account on GitHub.https://github.com/spring-projects/spring-framework.git/

3、导入源码很多种方式：我是采用这种方式：

然后选择你下载的路径导入就可以了。

接着就会出现各种问题。。。。

先参考着这篇博客安装：

程序包jdk.jfr.Category不存在，import jdk.jfr.category_Satayia的博客-CSDN博客Spring源码编译一次性通过&遇到的坑解决方法_冰慧的博客-CSDN博客

4、打开build.gradle根据要求下载gradle：我下载的版本是6.5.1（登陆官网就可以，然后找到指定版本）,这是地址：Gradle | Releases

5、为什么一定要2020版的idea呢？因为我之前是2019版。。一直报kotlin的错，不能在1.3.3-1.4.0-rc之间选择。。。

排错思路：

1、是kotlin版本设置问题？修改build.gradle中的版本，错误依然存在

2、是maven依赖版本不对？修改版本和1.3.61对应仍然存在错误

3、提高kotlin版本，即安装2020版idea。然后重新导入项目配置其版本为1.4.10解决

下载后安装并添加到环境变量。

6、如果出现reactor和rsocket报401未授权的错误则进行替换（在build.gradle文件中）：

			//mavenBom "io.rsocket:rsocket-bom:1.1.0-SNAPSHOT"mavenBom "io.rsocket:rsocket-bom:1.1.0"

7、至于导包增加maven管理看着上面那篇博客就行，感觉那个博主还是写的很好的。

运行结果：

> Task :buildSrc:compileJava UP-TO-DATE
> Task :buildSrc:compileGroovy NO-SOURCE
> Task :buildSrc:pluginDescriptors UP-TO-DATE
> Task :buildSrc:processResources UP-TO-DATE
> Task :buildSrc:classes UP-TO-DATE
> Task :buildSrc:jar UP-TO-DATE
> Task :buildSrc:assemble UP-TO-DATE
> Task :buildSrc:pluginUnderTestMetadata UP-TO-DATE
> Task :buildSrc:compileTestJava NO-SOURCE
> Task :buildSrc:compileTestGroovy NO-SOURCE
> Task :buildSrc:processTestResources NO-SOURCE
> Task :buildSrc:testClasses UP-TO-DATE
> Task :buildSrc:test NO-SOURCE
> Task :buildSrc:validatePlugins UP-TO-DATE
> Task :buildSrc:check UP-TO-DATE
> Task :buildSrc:build UP-TO-DATEDeprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.5.1/userguide/command_line_interface.html#sec:command_line_warningsCONFIGURE SUCCESSFUL in 37sDeprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.5.1/userguide/command_line_interface.html#sec:command_line_warnings

8、如果你的jdk是1.8那么问题来了在你compileTestJava时会发现没有jfr包，解决办法就是升级到jdk11，

 然后在包结构中设置为11

9、继续测试，因为有些包过期了所以测试编译不能通过，就是这个类。

public class MonoToListenableFutureAdapter implements ListenableFuture {private final MonoProcessor processor;private final ListenableFutureCallbackRegistry registry = new ListenableFutureCallbackRegistry<>();public MonoToListenableFutureAdapter(Mono mono) {Assert.notNull(mono, "Mono must not be null");this.processor = mono.doOnSuccess(this.registry::success).doOnError(this.registry::failure).toProcessor();}@Override@Nullablepublic T get() {return this.processor.block();}@Override@Nullablepublic T get(long timeout, TimeUnit unit) {Assert.notNull(unit, "TimeUnit must not be null");Duration duration = Duration.ofMillis(TimeUnit.MILLISECONDS.convert(timeout, unit));return this.processor.block(duration);}@Overridepublic boolean cancel(boolean mayInterruptIfRunning) {if (isCancelled()) {return false;}this.processor.cancel();// isCancelled may still return false, if mono completed before the cancelreturn this.processor.isCancelled();}@Overridepublic boolean isCancelled() {return this.processor.isCancelled();}@Overridepublic boolean isDone() {return this.processor.isTerminated();}@Overridepublic void addCallback(ListenableFutureCallback callback) {this.registry.addCallback(callback);}@Overridepublic void addCallback(SuccessCallback success, FailureCallback failure) {this.registry.addSuccessCallback(success);this.registry.addFailureCallback(failure);}}

解决办法：注释掉,"-Werror",虽然还会报错但是编译能通过

public class CompilerConventionsPlugin implements Plugin {/*** The project property that can be used to switch the Java source* compatibility version for building source and test classes.*/public static final String JAVA_SOURCE_VERSION_PROPERTY = "javaSourceVersion";public static final JavaVersion DEFAULT_COMPILER_VERSION = JavaVersion.VERSION_1_8;private static final List COMPILER_ARGS;private static final List TEST_COMPILER_ARGS;static {List commonCompilerArgs = Arrays.asList("-Xlint:serial", "-Xlint:cast", "-Xlint:classfile", "-Xlint:dep-ann","-Xlint:divzero", "-Xlint:empty", "-Xlint:finally", "-Xlint:overrides","-Xlint:path", "-Xlint:processing", "-Xlint:static", "-Xlint:try", "-Xlint:-options");COMPILER_ARGS = new ArrayList<>();COMPILER_ARGS.addAll(commonCompilerArgs);COMPILER_ARGS.addAll(Arrays.asList("-Xlint:varargs", "-Xlint:fallthrough", "-Xlint:rawtypes", "-Xlint:deprecation","-Xlint:unchecked" /**,"-Werror"**/));TEST_COMPILER_ARGS = new ArrayList<>();TEST_COMPILER_ARGS.addAll(commonCompilerArgs);TEST_COMPILER_ARGS.addAll(Arrays.asList("-Xlint:-varargs", "-Xlint:-fallthrough", "-Xlint:-rawtypes","-Xlint:-deprecation", "-Xlint:-unchecked", "-parameters"));}
...

最后结果：终于over!

> Task :spring-orm:compileJava
> Task :spring-orm:classes
> Task :spring-orm:jar
> Task :spring-orm:compileTestFixturesJava NO-SOURCE
> Task :spring-orm:compileTestJavaDeprecated Gradle features were used in this build, making it incompatible with Gradle 7.0.
Use '--warning-mode all' to show the individual deprecation warnings.
See https://docs.gradle.org/6.5.1/userguide/command_line_interface.html#sec:command_line_warningsBUILD SUCCESSFUL in 3m 56s
63 actionable tasks: 50 executed, 13 up-to-date
16:39:17: Task execution finished 'compileTestJava'.

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