当Java代码尝试在错误的目录中寻找类文件时,就会出现“class file contains wrong class”的问题,导致类似于以下内容的错误消息: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 MyTest.java:10:cannot access MyStruct badclassfile:D:\Java\test\MyStruct.java file does not containclassMyStructPlease remov...
异常信息:java.lang.UnsupportedClassVersionError: Bad version number in .class file. 问题原因:支撑Tomcat运行的JDK版本和编译时的JDK版本不一致,支撑Tomcat运行的JDK版本较低。 解决方法: Eclipse环境下的步骤: Step 1、Window –> Preferences –> Java –> Installed JREs,在右侧窗口中勾选需要使用的JRE版本。
问题原因:服务器jdk版本和class文件的版本不一致,一般是服务器的jdk版本低于class文件的编译版本 解决方案:修改服务器的jdk
解决“java.lang.UnsupportedClassVersionError: Bad version number in .class file”错误 问题概述 当我们在运行Java程序时,有时会遇到类似以下错误提示:“java.lang.UnsupportedClassVersionError: Bad version number in .class file”。这个错误通常是由于运行时环境的Java版本与编译时使用的Java版本不兼容造成的。
当Java代码尝试在错误的目录中寻找类文件时,就会出现“class file contains wrong class”的问题,导致类似于以下内容的错误消息: MyTest.java:10: cannot access MyStruct bad class file: D:\Java\test\MyStruct.java file does not contain class MyStruct Please remove or make sure it appears in the corre...
java.lang.UnsupportedClassVersionError: Bad version number in .class file 造成这种过错是ni的支撑Tomcat运行的JDK版本与支撑application运行的JDK版本不一致导致的. 把它们的JDK版本改成一致步骤如下: 1.Window --> Preferences -->Java --> compiler中的compiler compliance level对应的下拉菜单中选择JDK版本. 2...
com.cainiao.ys.spi.learn.FileSearch 测试方法 代码语言:javascript 代码运行次数:0 运行 AI代码解释 publicclassTestCase{publicstaticvoidmain(String[]args){ServiceLoader<Search>s=ServiceLoader.load(Search.class);Iterator<Search>iterator=s.iterator();while(iterator.hasNext()){Search search=iterator.next()...
2007-01-26 09:22:01,723 ERROR [IngestionNode-1-100] (IndexResourceManager.java:393) - Could not close Lucene index: Bad file descriptor java.io.IOException: Bad file descriptor at java.io.RandomAccessFile.close0(Native Method) at java.io.RandomAccessFile.close(RandomAccessFile.java:532) at...
Manifest-Version:1.0Main-Class:ExampleSpecification-Title:"Example"Specification-Version:"1.0"Created-By:1.6.0_35-b10-428-11M3811Build-Date:08/14/201810:09AM Manifest-Versionspecifies the version of themanifestfile.Main-Classspecifies the main class used by the .jar file.Specification-TitleandSpecifi...
One reason that a throwable may have a cause is that the class that throws it is built atop a lower layered abstraction, and an operation on the upper layer fails due to a failure in the lower layer. It would be bad design to let the throwable thrown by the lower layer propagate outwa...