我的应用程序引擎标准应用程序一直运行到今天早上，突然它不能运行了，抛出了以下错误.
INFO: Overwriting system property key 'java.util.logging.config.file', value '/Users/sharon/Library/Application Support/google-cloud-tools-java/managed-cloud-sdk/LATEST/google-cloud-sdk/platform/google_appengine/google/appengine/tools/java/config/sdk/logging.properties' with value 'WEB-INF/logging.properties' from '/Users/sharon/eclipse-workspace/.metadata/.plugins/org.eclipse.wst.server.core/tmp2/Lily/WEB-INF/appengine-web.xml'
2023-10-12 17:45:17.863:INFO::main: Logging initialized @768ms to org.eclipse.jetty.util.log.StdErrLog
2023-10-12 17:45:17.936:WARN:oejs.AbstractConnector:main: Ignoring deprecated socket close linger time
Exception in thread "main" java.lang.NoClassDefFoundError: com/google/apphosting/runtime/SessionStore
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:756)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:468)
at java.net.URLClassLoader.access$100(URLClassLoader.java:74)
at java.net.URLClassLoader$1.run(URLClassLoader.java:369)
at java.net.URLClassLoader$1.run(URLClassLoader.java:363)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:362)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at com.google.appengine.tools.development.DevAppServerClassLoader.loadClass(DevAppServerClassLoader.java:117)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
at com.google.apphosting.runtime.jetty9.SessionManagerHandler.create(SessionManagerHandler.java:75)
at com.google.appengine.tools.development.jetty9.JettyContainerService.startContainer(JettyContainerService.java:360)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:293)
at com.google.appengine.tools.development.AutomaticInstanceHolder.startUp(AutomaticInstanceHolder.java:42)
at com.google.appengine.tools.development.AbstractModule.startup(AbstractModule.java:102)
at com.google.appengine.tools.development.Modules.startup(Modules.java:118)
at com.google.appengine.tools.development.DevAppServerImpl.doStart(DevAppServerImpl.java:280)
at com.google.appengine.tools.development.DevAppServerImpl.access$000(DevAppServerImpl.java:57)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:229)
at com.google.appengine.tools.development.DevAppServerImpl$1.run(DevAppServerImpl.java:227)
at java.security.AccessController.doPrivileged(Native Method)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:227)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:381)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:58)
at com.google.appengine.tools.development.DevAppServerMain.run(DevAppServerMain.java:239)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:230)
Caused by: java.lang.ClassNotFoundException: com.google.apphosting.runtime.SessionStore
at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
at com.google.appengine.tools.development.DevAppServerClassLoader.loadClass(DevAppServerClassLoader.java:117)
at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
... 28 more
我不明白这个错误是什么意思.可能的原因是什么？我注意到这是在我将gCloud SDK版本升级到45.0.0之后发生的，但我创建了另一个应用程序引擎标准应用程序，它运行得很好.