Support jdk 11

[gaosaroma]

Motivation:

To support jdk11

Modification:

• To fix issue 427 and 495: add Classloaderutils.getURLs to avoid casting AppClassloader to URLClassloader, and modifdy all casting in BizClassLoader, PluginClassLoader, SofaArkBootstrap.
• To fix issue 492: add CompoundEnumeration and change references in AbstractClasspathClassLoader and AbstractClassLoaderHook.
• To package sofa-ark with jdk11: bump maven-plugin-plugin to 3.6.1, asm to 8.0
• To test sofa-ark with jdk11: add argline for maven-surefire and bump jacoco to 0.8.4
• To keep classloader consistent with annotation in TestNG: modify ArkTestNGInvokedMethodListener.beforeInvocation
• To keep LinkedProperties's action consistent in jdk11 and jdk8: add LinkedProperties.putAll
• To support jdk11 with javadoc: bump maven-javadoc-plugin from 2.9.1 to 3.2.0, revise nonstandard flag and specify source files encoding as UTF-8.
• To fix bug of mvn test:
  • No Ark Container Jar File Found: revise version of dependencies in DirectoryContainerArchive#AKR_CONTAINER_JAR
  • @ConditionalOnAvailableEndpoint of springboot-v2.5.6 not exposing endpoint causes SpringBoot2IntrospectBizEndpointOnArkEnabledTest#testIntrospectBizEndpoint failed: add management.endpoints.web.exposure.include=* property as configuration.
• To integrate jacoco and mock test:
  • replace jmockit-v1.35 with mockito v3.6.0 to mock static method for compatible with jdk8 and jdk11
  • make consistent ChildClass's @After action with ParentClass avoiding of crash
  • fix bugs during replacement.

Result:

Fixes #436 , #427 , #492 , #495 .

[codecov]

Codecov Report

Merging #521 (b8788c2) into master (177220e) will increase coverage by 1.43%.
The diff coverage is 61.38%.

@@             Coverage Diff              @@
##             master     #521      +/-   ##
============================================
+ Coverage     58.25%   59.69%   +1.43%     
- Complexity      636      679      +43     
============================================
  Files           153      154       +1     
  Lines          5733     5858     +125     
  Branches        809      845      +36     
============================================
+ Hits           3340     3497     +157     
+ Misses         2090     2037      -53     
- Partials        303      324      +21     

Impacted Files	Coverage Δ
...pay/sofa/ark/loader/DirectoryContainerArchive.java	0.00% <0.00%> (ø)
...m/alipay/sofa/ark/loader/jar/JarURLConnection.java	36.70% <0.00%> (ø)
...lipay/sofa/ark/container/test/TestClassLoader.java	87.80% <ø> (ø)
...va/com/alipay/sofa/ark/spi/constant/Constants.java	0.00% <ø> (ø)
...om/alipay/sofa/ark/spi/event/AbstractArkEvent.java	46.15% <ø> (ø)
...pay/sofa/ark/spi/event/AfterFinishDeployEvent.java	100.00% <ø> (ø)
...ay/sofa/ark/spi/event/AfterFinishStartupEvent.java	100.00% <ø> (ø)
...y/sofa/ark/spi/event/biz/AfterBizStartupEvent.java	100.00% <ø> (ø)
...ipay/sofa/ark/spi/event/biz/AfterBizStopEvent.java	100.00% <ø> (ø)
...ay/sofa/ark/spi/event/biz/AfterBizSwitchEvent.java	100.00% <ø> (ø)
... and 57 more

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[yuanyuancin]

LGFM