项目启动出这个错误，找不到原因

Question

[19-10-31 11:12:01.341] {main} failed scanning class META-INF/versions/9/module-info.class
                       java.lang.IllegalStateException: META-INF/versions/9/module-info.class: '19' is an unknown constant pool type.
                       java.lang.IllegalStateException: META-INF/versions/9/module-info.class: '19' is an unknown constant pool type.
                        at com.caucho.bytecode.ByteCodeClassScanner.error(ByteCodeClassScanner.java:575)
                        at com.caucho.bytecode.ByteCodeClassScanner.parseConstantPool(ByteCodeClassScanner.java:296)
                        at com.caucho.bytecode.ByteCodeClassScanner.scan(ByteCodeClassScanner.java:100)
                        at com.caucho.loader.enhancer.ScanManager.scanForJarClasses(ScanManager.java:207)
                        at com.caucho.loader.enhancer.ScanManager.scan(ScanManager.java:116)
                        at com.caucho.loader.enhancer.ScanManager.scan(ScanManager.java:77)
                        at com.caucho.loader.EnvironmentClassLoader.scan(EnvironmentClassLoader.java:903)
                        at com.caucho.loader.DynamicClassLoader.sendAddLoaderEvent(DynamicClassLoader.java:929)
                        at com.caucho.loader.DynamicClassLoader.updateScan(DynamicClassLoader.java:916)
                        at com.caucho.env.deploy.EnvironmentDeployController.configureInstance(EnvironmentDeployController.java:479)
                        at com.caucho.env.deploy.EnvironmentDeployController.configureInstance(EnvironmentDeployController.java:60)
                        at com.caucho.env.deploy.DeployController.startImpl(DeployController.java:699)
                        at com.caucho.env.deploy.StartAutoRedeployAutoStrategy.startOnInit(StartAutoRedeployAutoStrategy.java:81)
                        at com.caucho.env.deploy.DeployController.startOnInit(DeployController.java:551)
                        at com.caucho.env.deploy.DeployContainer.start(DeployContainer.java:174)
                        at com.caucho.server.webapp.WebAppContainer.start(WebAppContainer.java:744)
                        at com.caucho.server.host.Host.start(Host.java:678)
                        at com.caucho.env.deploy.DeployController.startImpl(DeployController.java:703)
                        at com.caucho.env.deploy.StartAutoRedeployAutoStrategy.startOnInit(StartAutoRedeployAutoStrategy.java:81)
                        at com.caucho.env.deploy.DeployController.startOnInit(DeployController.java:551)
                        at com.caucho.env.deploy.DeployContainer.start(DeployContainer.java:174)
                        at com.caucho.server.host.HostContainer.start(HostContainer.java:545)
                        at com.caucho.server.cluster.ServletService.start(ServletService.java:1395)
                        at com.caucho.server.cluster.ServletSystem.start(ServletSystem.java:72)
                        at com.caucho.env.service.ResinSystem.startServices(ResinSystem.java:544)
                        at com.caucho.env.service.ResinSystem.start(ResinSystem.java:511)
                        at com.caucho.server.resin.Resin.start(Resin.java:877)
                        at com.caucho.server.resin.Resin.initMain(Resin.java:1010)
                        at com.caucho.server.resin.Resin.main(Resin.java:1469)

Answer 1

https://blog.csdn.net/ethan__xu/article/details/84236405