使用Debian 10。
我正在尝试以非root用户的身份运行我在服务器上创建的SpringBootapp.jar应用程序。
我创建了一个名为SpringBootApp的新用户。
应用程序应该在443端口上运行。
我将这个.jar文件的所有权更改为SpringBootApp，并使用以下命令将权限更改为770：
chown springbootapp app.jar
chmod 770 app.jar
然而，在尝试以该用户身份启动应用程序时，我得到了以下异常：java.net.BindException: "permission denied"。我还需要更改哪些权限才能以非root用户身份运行它？
我运行应用程序的方式：java -jar app.jar
输出：
Application run failed
org.springframework.context.ApplicationContextException: Failed to start bean 'webServerStartStop'; nested exception is org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:181) ~[spring-context-5.3.12.jar!/:5.3.12]
at org.springframework.context.support.DefaultLifecycleProcessor.access$200(DefaultLifecycleProcessor.java:54) ~[spring-context-5.3.12.jar!/:5.3.12]
at org.springframework.context.support.DefaultLifecycleProcessor$LifecycleGroup.start(DefaultLifecycleProcessor.java:356) ~[spring-context-5.3.12.jar!/:5.3.12]
at java.base/java.lang.Iterable.forEach(Iterable.java:75) ~[na:na]
at org.springframework.context.support.DefaultLifecycleProcessor.startBeans(DefaultLifecycleProcessor.java:155) ~[spring-context-5.3.12.jar!/:5.3.12]
at org.springframework.context.support.DefaultLifecycleProcessor.onRefresh(DefaultLifecycleProcessor.java:123) ~[spring-context-5.3.12.jar!/:5.3.12]
at org.springframework.context.support.AbstractApplicationContext.finishRefresh(AbstractApplicationContext.java:935) ~[spring-context-5.3.12.jar!/:5.3.12]
at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:586) ~[spring-context-5.3.12.jar!/:5.3.12]
at org.springframework.boot.web.servlet.context.ServletWebServerApplicationContext.refresh(ServletWebServerApplicationContext.java:145) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.SpringApplication.refresh(SpringApplication.java:754) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.SpringApplication.refreshContext(SpringApplication.java:434) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:338) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1343) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.SpringApplication.run(SpringApplication.java:1332) ~[spring-boot-2.5.6.jar!/:2.5.6]
at ispf.webapp.WebappApplication.main(WebappApplication.java:10) ~[classes!/:0.0.1-SNAPSHOT]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[na:na]
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78) ~[na:na]
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[na:na]
at java.base/java.lang.reflect.Method.invoke(Method.java:567) ~[na:na]
at org.springframework.boot.loader.MainMethodRunner.run(MainMethodRunner.java:49) ~[app.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:108) ~[app.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.Launcher.launch(Launcher.java:58) ~[app.jar:0.0.1-SNAPSHOT]
at org.springframework.boot.loader.JarLauncher.main(JarLauncher.java:88) ~[app.jar:0.0.1-SNAPSHOT]
Caused by: org.springframework.boot.web.server.WebServerException: Unable to start embedded Tomcat server
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:229) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.web.servlet.context.WebServerStartStopLifecycle.start(WebServerStartStopLifecycle.java:43) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.context.support.DefaultLifecycleProcessor.doStart(DefaultLifecycleProcessor.java:178) ~[spring-context-5.3.12.jar!/:5.3.12]
... 22 common frames omitted
Caused by: java.lang.IllegalArgumentException: standardService.connector.startFailed
at org.apache.catalina.core.StandardService.addConnector(StandardService.java:238) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.addPreviouslyRemovedConnectors(TomcatWebServer.java:282) ~[spring-boot-2.5.6.jar!/:2.5.6]
at org.springframework.boot.web.embedded.tomcat.TomcatWebServer.start(TomcatWebServer.java:213) ~[spring-boot-2.5.6.jar!/:2.5.6]
... 24 common frames omitted
Caused by: org.apache.catalina.LifecycleException: Protocol handler start failed
at org.apache.catalina.connector.Connector.startInternal(Connector.java:1075) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.catalina.core.StandardService.addConnector(StandardService.java:234) ~[tomcat-embed-core-9.0.54.jar!/:na]
... 26 common frames omitted
Caused by: java.net.BindException: Permission denied
at java.base/sun.nio.ch.Net.bind0(Native Method) ~[na:na]
at java.base/sun.nio.ch.Net.bind(Net.java:552) ~[na:na]
at java.base/sun.nio.ch.ServerSocketChannelImpl.netBind(ServerSocketChannelImpl.java:336) ~[na:na]
at java.base/sun.nio.ch.ServerSocketChannelImpl.bind(ServerSocketChannelImpl.java:294) ~[na:na]
at org.apache.tomcat.util.net.NioEndpoint.initServerSocket(NioEndpoint.java:271) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.tomcat.util.net.NioEndpoint.bind(NioEndpoint.java:226) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.tomcat.util.net.AbstractEndpoint.bindWithCleanup(AbstractEndpoint.java:1208) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.tomcat.util.net.AbstractEndpoint.start(AbstractEndpoint.java:1294) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.coyote.AbstractProtocol.start(AbstractProtocol.java:614) ~[tomcat-embed-core-9.0.54.jar!/:na]
at org.apache.catalina.connector.Connector.startInternal(Connector.java:1072) ~[tomcat-embed-core-9.0.54.jar!/:na]
... 28 common frames omitted
对于根用户，没有问题。
您的应用程序配置在哪个端口上运行？
BindException建议它是一个特权端口。如果是这种情况，您可以尝试通过命令行参数将其设置为另一个端口(请参阅https://www.baeldung.com/spring-boot-change-port#command-线路(