关于spring cloud “Finchley.RC2”版本在spring cloud config中的ArrayIndexOutOfBoundsException

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在学spring cloud config的时候遇到一个ArrayIndexOutOfBoundsException的问题。

学习参考https://blog.csdn.net/forezp/article/details/70037291，该博文中的Demo使用的是Camden.SR6版本。

而我在建立项目的时候使用了Finchley.RC2版本，其他配置均相同，但每次访问配置文件都会报ArrayIndexOutOfBoundsException，具体如下：

2018-06-11 11:34:22.996  INFO 6784 --- [nio-8888-exec-2] o.a.c.c.C.[Tomcat].[localhost].[/]       : Initializing Spring FrameworkServlet \'dispatcherServlet\'
2018-06-11 11:34:22.996  INFO 6784 --- [nio-8888-exec-2] o.s.web.servlet.DispatcherServlet        : FrameworkServlet \'dispatcherServlet\': initialization started
2018-06-11 11:34:23.015  INFO 6784 --- [nio-8888-exec-2] o.s.web.servlet.DispatcherServlet        : FrameworkServlet \'dispatcherServlet\': initialization completed in 19 ms
2018-06-11 11:34:24.192 ERROR 6784 --- [nio-8888-exec-2] o.a.c.c.C.[.[.[/].[dispatcherServlet]    : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Request processing failed; nested exception is java.lang.IllegalStateException: Cannot load environment] with root cause

java.lang.StringIndexOutOfBoundsException: String index out of range: -1
    at java.lang.String.substring(String.java:1967) ~[na:1.8.0_144]
    at org.springframework.cloud.config.server.environment.HttpClientConfigurableHttpConnectionFactory.lookupHttpClientBuilder(HttpClientConfigurableHttpConnectionFactory.java:69) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.HttpClientConfigurableHttpConnectionFactory.create(HttpClientConfigurableHttpConnectionFactory.java:56) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.eclipse.jgit.transport.TransportHttp.httpOpen(TransportHttp.java:830) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.transport.TransportHttp.connect(TransportHttp.java:491) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.transport.TransportHttp.openFetch(TransportHttp.java:345) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.transport.FetchProcess.executeImp(FetchProcess.java:137) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.transport.FetchProcess.execute(FetchProcess.java:123) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.transport.Transport.fetch(Transport.java:1269) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.api.FetchCommand.call(FetchCommand.java:241) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.api.CloneCommand.fetch(CloneCommand.java:306) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.eclipse.jgit.api.CloneCommand.call(CloneCommand.java:200) ~[org.eclipse.jgit-4.11.0.201803080745-r.jar:4.11.0.201803080745-r]
    at org.springframework.cloud.config.server.environment.JGitEnvironmentRepository.cloneToBasedir(JGitEnvironmentRepository.java:560) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.JGitEnvironmentRepository.copyRepository(JGitEnvironmentRepository.java:535) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.JGitEnvironmentRepository.createGitClient(JGitEnvironmentRepository.java:518) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.JGitEnvironmentRepository.refresh(JGitEnvironmentRepository.java:259) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.JGitEnvironmentRepository.getLocations(JGitEnvironmentRepository.java:238) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.MultipleJGitEnvironmentRepository.getLocations(MultipleJGitEnvironmentRepository.java:150) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.AbstractScmEnvironmentRepository.findOne(AbstractScmEnvironmentRepository.java:47) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.MultipleJGitEnvironmentRepository.findOne(MultipleJGitEnvironmentRepository.java:190) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.CompositeEnvironmentRepository.findOne(CompositeEnvironmentRepository.java:46) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.EnvironmentEncryptorEnvironmentRepository.findOne(EnvironmentEncryptorEnvironmentRepository.java:53) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.EnvironmentController.labelled(EnvironmentController.java:122) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at org.springframework.cloud.config.server.environment.EnvironmentController.defaultLabel(EnvironmentController.java:106) ~[spring-cloud-config-server-2.0.0.RC2.jar:2.0.0.RC2]
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:1.8.0_144]
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[na:1.8.0_144]
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:1.8.0_144]
    at java.lang.reflect.Method.invoke(Method.java:498) ~[na:1.8.0_144]
    at org.springframework.web.method.support.InvocableHandlerMethod.doInvoke(InvocableHandlerMethod.java:209) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.method.support.InvocableHandlerMethod.invokeForRequest(InvocableHandlerMethod.java:136) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.ServletInvocableHandlerMethod.invokeAndHandle(ServletInvocableHandlerMethod.java:102) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.invokeHandlerMethod(RequestMappingHandlerAdapter.java:877) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter.handleInternal(RequestMappingHandlerAdapter.java:783) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.mvc.method.AbstractHandlerMethodAdapter.handle(AbstractHandlerMethodAdapter.java:87) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doDispatch(DispatcherServlet.java:991) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.DispatcherServlet.doService(DispatcherServlet.java:925) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.processRequest(FrameworkServlet.java:974) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.servlet.FrameworkServlet.doGet(FrameworkServlet.java:866) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:635) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.web.servlet.FrameworkServlet.service(FrameworkServlet.java:851) ~[spring-webmvc-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:742) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) ~[tomcat-embed-websocket-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:158) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.filterAndRecordMetrics(WebMvcMetricsFilter.java:126) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.boot.actuate.metrics.web.servlet.WebMvcMetricsFilter.doFilterInternal(WebMvcMetricsFilter.java:111) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.boot.actuate.web.trace.servlet.HttpTraceFilter.doFilterInternal(HttpTraceFilter.java:84) ~[spring-boot-actuator-2.0.2.RELEASE.jar:2.0.2.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:99) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.web.filter.HttpPutFormContentFilter.doFilterInternal(HttpPutFormContentFilter.java:109) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.web.filter.HiddenHttpMethodFilter.doFilterInternal(HiddenHttpMethodFilter.java:81) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:200) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:107) ~[spring-web-5.0.6.RELEASE.jar:5.0.6.RELEASE]
    at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:193) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:198) ~[tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:96) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:496) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:140) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:87) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:342) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:803) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1468) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [na:1.8.0_144]
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [na:1.8.0_144]
    at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) [tomcat-embed-core-8.5.31.jar:8.5.31]
    at java.lang.Thread.run(Thread.java:748) [na:1.8.0_144]

一番查看后发现是HttpClientConfigurableHttpConnectionFactory类中调用lookupHttpClientBuilder方法出错。

我在第69行打断点后进行调试

我在配置文件中的uri为“https://gitee.com/tree-cai/springCloudDemo.git”，而此处的spec为

当spec.subString(0,"\\");发生了ArrayIndexOutOfBoundsException，目前该问题并没有得到解决。

于是我尝试使用Finchley.RC1版本发现访问正常。

而Finchley.RC1包中并没有提供HttpClientConfigurableHttpConnectionFactory类。

记录一下，坑了我老半天的spring cloud config。



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