외부 내부 모두 신규 트랜잭션인데, 외부커넥션을 먼저 반납하는경우

음 그니깐 독립 되어 있더라도 살짝만 독립된거군요

members 500 오류

java.lang.ClassNotFoundException: javax.servlet.jsp.tagext.TagLibraryValidator at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:641) ~[na:na] at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[na:na] at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[na:na] at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) ~[na:na] at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639) ~[na:na] at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[na:na] at java.base/java.lang.ClassLoader.defineClass1(Native Method) ~[na:na] at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1012) ~[na:na] at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681) ~[na:na] at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639) ~[na:na] at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188) ~[na:na] at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:520) ~[na:na] at java.base/java.lang.Class.forName0(Native Method) ~[na:na] at java.base/java.lang.Class.forName(Class.java:467) ~[na:na] at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadFromParent(TomcatEmbeddedWebappClassLoader.java:113) ~[spring-boot-3.0.4.jar:3.0.4] at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.doLoadClass(TomcatEmbeddedWebappClassLoader.java:86) ~[spring-boot-3.0.4.jar:3.0.4] at org.springframework.boot.web.embedded.tomcat.TomcatEmbeddedWebappClassLoader.loadClass(TomcatEmbeddedWebappClassLoader.java:70) ~[spring-boot-3.0.4.jar:3.0.4] at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1245) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.TagLibraryInfoImpl.createValidator(TagLibraryInfoImpl.java:355) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.TagLibraryInfoImpl.(TagLibraryInfoImpl.java:195) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Parser.parseTaglibDirective(Parser.java:429) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Parser.parseDirective(Parser.java:487) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Parser.parseElements(Parser.java:1444) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Parser.parse(Parser.java:138) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:245) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.ParserController.parse(ParserController.java:106) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:211) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Compiler.compile(Compiler.java:396) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Compiler.compile(Compiler.java:372) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.compiler.Compiler.compile(Compiler.java:356) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:603) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:396) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:380) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:328) ~[tomcat-embed-jasper-10.1.5.jar:10.1.5] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:814) ~[tomcat-embed-core-10.1.5.jar:6.0] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:110) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:110) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:110) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:691) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:441) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:367) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:295) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at hello.servlet.web.frontcontroller.MyView.render(MyView.java:21) ~[classes/:na] at hello.servlet.web.frontcontroller.v2.FrontControllerServletV2.service(FrontControllerServletV2.java:42) ~[classes/:na] at jakarta.servlet.http.HttpServlet.service(HttpServlet.java:814) ~[tomcat-embed-core-10.1.5.jar:6.0] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:223) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53) ~[tomcat-embed-websocket-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.RequestContextFilter.doFilterInternal(RequestContextFilter.java:100) ~[spring-web-6.0.6.jar:6.0.6] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.FormContentFilter.doFilterInternal(FormContentFilter.java:93) ~[spring-web-6.0.6.jar:6.0.6] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.springframework.web.filter.CharacterEncodingFilter.doFilterInternal(CharacterEncodingFilter.java:201) ~[spring-web-6.0.6.jar:6.0.6] at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:116) ~[spring-web-6.0.6.jar:6.0.6] at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:185) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:158) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:177) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:542) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:119) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:92) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:357) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:400) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:859) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1734) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:52) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) ~[tomcat-embed-core-10.1.5.jar:10.1.5] at java.base/java.lang.Thread.run(Thread.java:833) ~[na:na] 똑같이했는데도 계속 저 오류가 뜹니다..... 구글링해서 똑같이 gradle에 넣었는데 (사진)라이브러리에 있는 jstl 내용입니다... 태그를 적용안하면 오류가 안뜨는데 태그를 적용하면 오류가 뜹니다. 즉 태그를 설정하는것에 문제가 있는데 어떻게 해야할까요? Title 메인 id username age ${item.id} ${item.username} ${item.age}