type Exception report
message
description The server encountered an internal error () that prevented it from fulfilling this request.
exception javax.servlet.ServletException: Error allocating a servlet instance org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) java.lang.Thread.run(Thread.java:534)
root cause java.lang.UnsupportedClassVersionError: cj/aa/Test (Unsupported major.minor version 49.0) java.lang.ClassLoader.defineClass0(Native Method) java.lang.ClassLoader.defineClass(ClassLoader.java:537) java.security.SecureClassLoader.defineClass(SecureClassLoader.java:123) org.apache.catalina.loader.WebappClassLoader.findClassInternal(WebappClassLoader.java:1876) org.apache.catalina.loader.WebappClassLoader.findClass(WebappClassLoader.java:889) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1353) org.apache.catalina.loader.WebappClassLoader.loadClass(WebappClassLoader.java:1232) org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:117) org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:174) org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:875) org.apache.coyote.http11.Http11BaseProtocol$Http11ConnectionHandler.processConnection(Http11BaseProtocol.java:665) org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:528) org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:81) org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:689) java.lang.Thread.run(Thread.java:534)
note The full stack trace of the root cause is available in the Apache Tomcat/5.5.27 logs.
Apache Tomcat/5.5.27
web.xml配置
<servlet>
<description>This is the description of my J2EE component</description>
<display-name>This is the display name of my J2EE component</display-name>
<servlet-name>Test</servlet-name>
<servlet-class>cj.aa.Test</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>Test</servlet-name>
<url-pattern>/Test</url-pattern>
</servlet-mapping>
配置什么的应该没有什么错，而且以前的项目就能有，不过新建的项目一运行Servlet就出错。希望明白人解答下！