严重: 在路径为[/JavawebFoodMarker]的上下文中，servlet[servelet.hMessageUpdateServelet]的Servlet.service()引发异常 java.lang.NumberFormatException: For input string: " 23 " at java.base/java.lang.NumberFormatException.forInputString(NumberFormatException.java:68) at java.base/java.lang.Integer.parseInt(Integer.java:638) at java.base/java.lang.Integer.parseInt(Integer.java:770) at servelet.hMessageUpdateServelet.doGet(hMessageUpdateServelet.java:44) at servelet.hMessageUpdateServelet.doPost(hMessageUpdateServelet.java:90) at javax.servlet.http.HttpServlet.service(HttpServlet.java:681) at javax.servlet.http.HttpServlet.service(HttpServlet.java:764) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:232) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:194) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:167) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:202) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:97) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:544) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:143) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:81) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:698) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:78) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:364) at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:624) at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65) at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:831) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1651) at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49) at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.base/java.lang.Thread.run(Thread.java:832)

这个异常是因为在调用 `Integer.parseInt()` 方法时，传入了一个非数字字符串。具体来说，是在 `servelet.hMessageUpdateServelet.doGet(hMessageUpdateServelet.java:44)` 这个方法中，第44行代码传入了一个值为 " 23 " 的字符串，这个字符串包含了一个或多个空格，导致无法转换为整数。你需要检查这个方法中的代码，找到这个传入 `Integer.parseInt()` 方法的字符串，并确保它只包含数字字符。