Idea ：Error:Abnormal build process termination:

Idea ：Error:Abnormal build process termination:
出现这样的错误
Error:Abnormal build process termination:
F:\idea\jdk8\bin\java.exe -Xmx700m -Djava.awt.headless=true -Djava.endorsed.dirs="" -Djdt.compiler.useSingleThread=true -Dpreload.project.path=F:/idea/springmvc/SpringMVC-01/代码/springmvc_day01_01_start/KeGongChang -Dpreload.config.path=C:/Users/16635/.IntelliJIdea2019.2/config/options -Dcompile.parallel=false -Drebuild.on.dependency.change=true -Djava.net.preferIPv4Stack=true -Dio.netty.initialSeedUniquifier=1413995685100024912 -Dfile.encoding=GBK -Duser.language=zh -Duser.country=CN -Didea.paths.selector=IntelliJIdea2019.2 “-Didea.home.path=F:\idea\IntelliJ IDEA 2019.2.3” -Didea.config.path=C:\Users\16635/.IntelliJIdea2019.2/config -Didea.plugins.path=C:\Users\16635/.IntelliJIdea2019.2/config/plugins -Djps.log.dir=C:/Users/16635/.IntelliJIdea2019.2/system/log/build-log “-Djps.fallback.jdk.home=F:/idea/IntelliJ IDEA 2019.2.3/jbr” -Djps.fallback.jdk.version=11.0.4 -Dio.netty.noUnsafe=true -Djava.io.tmpdir=C:/Users/16635/.IntelliJIdea2019.2/system/compile-server/kegongchang_263f12ae/temp -Djps.backward.ref.index.builder=true -Dkotlin.incremental.compilation=true -Dkotlin.incremental.compilation.js=true -Dkotlin.daemon.enabled -Dkotlin.daemon.client.alive.path=“C:\Users\16635\AppData\Local\Temp\kotlin-idea-4219711571020194874-is-running” -classpath “F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/jps-launcher.jar;F:/idea/jdk8/lib/tools.jar” org.jetbrains.jps.cmdline.Launcher “F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/maven-model-builder-3.3.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/plexus-utils-3.0.22.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/resources_en.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/asm-all-7.0.1.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/maven-repository-metadata-3.3.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-spi-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/jna.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-util-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-impl-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/lz4-java-1.6.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/maven-model-3.3.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/slf4j-api-1.7.25.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/protobuf-java-3.5.1.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/netty-transport-4.1.38.Final.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/idea_rt.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/javac2.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/commons-logging-1.2.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/forms-1.1-preview.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/util.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/jdom.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-transport-file-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/plexus-interpolation-1.21.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/jps-builders-6.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/guava-25.1-jre.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/jps-builders.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/netty-resolver-4.1.38.Final.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-connector-basic-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/platform-api.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/jps-model.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-api-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/plexus-component-annotations-1.6.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/annotations.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-transport-http-1.1.0.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/log4j.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/netty-common-4.1.38.Final.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/netty-buffer-4.1.38.Final.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/nanoxml-2.2.3.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/httpcore-4.4.11.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/oro-2.0.8.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/commons-lang3-3.4.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/netty-codec-4.1.38.Final.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/trove4j.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/jna-platform.jar;F:/idea/IntelliJ IDEA 2019.2.3/lib/httpclient-4.5.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/aether-dependency-resolver.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/maven-builder-support-3.3.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/maven-aether-provider-3.3.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/maven-artifact-3.3.9.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/JavaEE/lib/jasper-v2-rt.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/ant/lib/ant-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/IntelliLang/lib/intellilang-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/Groovy/lib/groovy-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/Groovy/lib/groovy-rt-constants.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/maven/lib/maven-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/gradle/lib/gradle-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/devkit/lib/devkit-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/JavaEE/lib/javaee-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/JavaEE/lib/jps/jpa-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/Kotlin/lib/jps/kotlin-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/Kotlin/lib/kotlin-stdlib.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/Kotlin/lib/kotlin-reflect.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/Kotlin/lib/kotlin-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/javaFX/lib/javaFX-jps-plugin.jar;F:/idea/IntelliJ IDEA 2019.2.3/plugins/javaFX/lib/common-javaFX-plugin.jar” org.jetbrains.jps.cmdline.BuildMain 127.0.0.1 56850 64b85d97-32a4-4a35-8f8c-78b93e7148b2 C:/Users/16635/.IntelliJIdea2019.2/system/compile-server
Build process started. Classpath: F:/idea/IntelliJ IDEA 2019.2.3/plugins/java/lib/jps-launcher.jar;F:/idea/jdk8/lib/tools.jar
SLF4J: Failed to load class “org.slf4j.impl.StaticLoggerBinder”.
SLF4J: Defaulting to no-operation (NOP) logger implementation
SLF4J: See http://www.slf4j.org/codes.html#StaticLoggerBinder for further details.
Error connecting to 127.0.0.1:56850; reason: failed to create a child event loop
java.lang.IllegalStateException: failed to create a child event loop
at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:88)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:58)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:47)
at io.netty.channel.MultithreadEventLoopGroup.(MultithreadEventLoopGroup.java:59)
at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:78)
at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:73)
at io.netty.channel.nio.NioEventLoopGroup.(NioEventLoopGroup.java:60)
at org.jetbrains.jps.cmdline.BuildMain.main(BuildMain.java:90)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.jetbrains.jps.cmdline.Launcher.main(Launcher.java:58)
Caused by: io.netty.channel.ChannelException: failed to open a new selector
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:180)
at io.netty.channel.nio.NioEventLoop.(NioEventLoop.java:146)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:138)
at io.netty.channel.nio.NioEventLoopGroup.newChild(NioEventLoopGroup.java:37)
at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:84)
… 12 more
Caused by: java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:94)atsun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:61)
at java.security.AccessController.doPrivileged(Native Method)
at sun.nio.ch.PipeImpl.(PipeImpl.java:171)
at sun.nio.ch.SelectorProviderImpl.openPipe(SelectorProviderImpl.java:50)
at java.nio.channels.Pipe.open(Pipe.java:155)
at sun.nio.ch.WindowsSelectorImpl.(WindowsSelectorImpl.java:127)
at sun.nio.ch.WindowsSelectorProvider.openSelector(WindowsSelectorProvider.java:44)
at io.netty.channel.nio.NioEventLoop.openSelector(NioEventLoop.java:178)
… 16 more
Caused by: java.net.ConnectException: Connection timed out: connect
at sun.nio.ch.Net.connect0(Native Method)
at sun.nio.ch.Net.connect(Net.java:465)
at sun.nio.ch.Net.connect(Net.java:457)
at sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:646)
at java.nio.channels.SocketChannel.open(SocketChannel.java:189)
at sun.nio.ch.PipeImpl$Initializer$LoopbackConnector.run(PipeImpl.java:127)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:76)
… 24 more
Exiting.

有两种方法：
1.关闭防火墙
2.换个jdk版本

第一个方法是每次都要关闭防火墙，不推荐
第二个方法作者开始安装的是第十个版本的jdk，后来换成14版本的也不行
，最后换到了第八个版本，终于成功！