this.class.getProtectionDomain().getCodeSource().getLocation()

本文介绍了如何使用Java代码获取.class文件或包含该文件的jar包的绝对路径。这对于理解Java运行环境中类文件的位置非常有用。

this.class.getProtectionDomain().getCodeSource().getLocation()

如果直接执行.class文件那么会得到当前class的绝对路径。

如果封装在jar包里面执行jar包那么会得到当前jar包的绝对路径。





String path = getClass().getProtectionDomain().getCodeSource().getLocation().getPath();

这句话取到的路径是 服务器 中的发布版本的路径。

java.lang.UnsupportedClassVersionError: org/openqa/selenium/devtools/v122/v122CdpInfo has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at org.springframework.aop.interceptor.AsyncExecutionAspectSupport.lambda$doSubmit$3(AsyncExecutionAspectSupport.java:281) ~[spring-aop-5.3.29.jar:5.3.29] at java.util.concurrent.CompletableFuture$AsyncSupply.run$$$capture(CompletableFuture.java:1590) [na:1.8.0_171] at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java) [na:1.8.0_171] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) ~[na:1.8.0_171] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) ~[na:1.8.0_171] at java.lang.Thread.run(Thread.java:748) ~[na:1.8.0_171] Caused by: java.lang.UnsupportedClassVersionError: org/openqa/selenium/devtools/v122/v122CdpInfo has been compiled by a more recent version of the Java Runtime (class file version 55.0), this version of the Java Runtime only recognizes class file versions up to 52.0 at java.lang.ClassLoader.defineClass1(Native Method) ~[na:1.8.0_171] at java.lang.ClassLoader.defineClass(ClassLoader.java:763) ~[na:1.8.0_171] at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) ~[na:1.8.0_171] at java.net.URLClassLoader.defineClass(URLClassLoader.java:467) ~[na:1.8.0_171] at java.net.URLClassLoader.access$100(URLClassLoader.java:73) ~[na:1.8.0_171] at java.net.URLClassLoader$1.run(URLClassLoader.java:368) ~[na:1.8.0_171] at java.net.URLClassLoader$1.run(URLClassLoader.java:362) ~[na:1.8.0_171] at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0_171] at java.net.URLClassLoader.findClass(URLClassLoader.java:361) ~[na:1.8.0_171] at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[na:1.8.0_171] at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:349) ~[na:1.8.0_171] at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[na:1.8.0_171] at java.lang.Class.forName0(Native Method) ~[na:1.8.0_171] at java.lang.Class.forName(Class.java:348) ~[na:1.8.0_171] at java.util.ServiceLoader$LazyIterator.nextService(ServiceLoader.java:370) ~[na:1.8.0_171] at java.util.ServiceLoader$LazyIterator.next(ServiceLoader.java:404) ~[na:1.8.0_171] at java.util.ServiceLoader$1.next(ServiceLoader.java:480) ~[na:1.8.0_171] at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[na:1.8.0_171] at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[na:1.8.0_171] at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[na:1.8.0_171] at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[na:1.8.0_171] at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) ~[na:1.8.0_171] at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[na:1.8.0_171] at java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:499) ~[na:1.8.0_171] at org.openqa.selenium.devtools.CdpVersionFinder.<init>(CdpVersionFinder.java:44) ~[selenium-remote-driver-4.1.4.jar:na] at org.openqa.selenium.chromium.ChromiumDriver.<init>(ChromiumDriver.java:126) ~[selenium-chromium-driver-4.1.4.jar:na] at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:106) ~[selenium-chrome-driver-4.1.4.jar:na] at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:93) ~[selenium-chrome-driver-4.1.4.jar:na] at org.openqa.selenium.chrome.ChromeDriver.<init>(ChromeDriver.java:82) ~[selenium-chrome-driver-4.1.4.jar:na] at tech.crawler.driver.SeleniumUtil.getChromeDriver(SeleniumUtil.java:18) ~[classes/:na] at tech.crawler.service.AsyncShippingService.getScfi(AsyncShippingService.java:80) ~[classes/:na] at tech.crawler.service.AsyncShippingService$$FastClassBySpringCGLIB$$728ca5b6.invoke(<generated>) ~[classes/:na] at org.springframework.cglib.proxy.MethodProxy.invoke(MethodProxy.java:218) ~[spring-core-5.3.29.jar:5.3.29] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.invokeJoinpoint(CglibAopProxy.java:793) ~[spring-aop-5.3.29.jar:5.3.29] at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:163) ~[spring-aop-5.3.29.jar:5.3.29] at org.springframework.aop.framework.CglibAopProxy$CglibMethodInvocation.proceed(CglibAopProxy.java:763) ~[spring-aop-5.3.29.jar:5.3.29] at org.springframework.aop.interceptor.AsyncExecutionInterceptor.lambda$invoke$0(AsyncExecutionInterceptor.java:115) ~[spring-aop-5.3.29.jar:5.3.29] at org.springframework.aop.interceptor.AsyncExecutionAspectSupport.lambda$doSubmit$3(AsyncExecutionAspectSupport.java:278) ~[spring-aop-5.3.29.jar:5.3.29] 这是什么问题 ... 5 common frames omitted
最新发布
09-03
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