getting 404 error in app service after deploying in app service

Question

Getting 404 error while deploying in app service but while deploying the same war in VM its working fine . We have checked the logs and its showing java.lang.IllegalStateException: Illegal access . I have attached the full logs in details . Please help us to resolve the issue . the same war was working fine earlier in app service suddenly it stopped working . Please find the error log below

14-Mar-2023 04:26:29.638 WARNING [Catalina-utility-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [api] appears to have started a thread named [Log4j2-Log4j2Scheduled-1] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

sun.misc.Unsafe.park(Native Method)

java.util.concurrent.locks.LockSupport.parkNanos(LockSupport.java:215)

java.util.concurrent.locks.AbstractQueuedSynchronizer$ConditionObject.awaitNanos(AbstractQueuedSynchronizer.java:2078)

java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:1093)

java.util.concurrent.ScheduledThreadPoolExecutor$DelayedWorkQueue.take(ScheduledThreadPoolExecutor.java:809)

java.util.concurrent.ThreadPoolExecutor.getTask(ThreadPoolExecutor.java:1074)

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1134)

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

java.lang.Thread.run(Thread.java:750)

14-Mar-2023 04:26:29.649 WARNING [Catalina-utility-1] org.apache.catalina.loader.WebappClassLoaderBase.clearReferencesThreads The web application [api] appears to have started a thread named [mysql-cj-abandoned-connection-cleanup] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:

java.lang.Object.wait(Native Method)

java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:144)

com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:85)

java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

java.lang.Thread.run(Thread.java:750)

14-Mar-2023 04:26:29.707 INFO [Catalina-utility-1] org.apache.catalina.startup.HostConfig.deployDirectory Deployment of web application directory [/usr/local/tomcat/webapps/api] has finished in [60,037] ms

14-Mar-2023 04:26:30.500 INFO [mysql-cj-abandoned-connection-cleanup] org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.

    java.lang.IllegalStateException: Illegal access: this web application instance has been stopped already. Could not load []. The following stack trace is thrown for debugging purposes as well as to attempt to terminate the thread which caused the illegal access.

            at org.apache.catalina.loader.WebappClassLoaderBase.checkStateForResourceLoading(WebappClassLoaderBase.java:1432)

            at org.apache.catalina.loader.WebappClassLoaderBase.getResource(WebappClassLoaderBase.java:1057)

            at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.checkThreadContextClassLoader(AbandonedConnectionCleanupThread.java:117)

            at com.mysql.cj.jdbc.AbandonedConnectionCleanupThread.run(AbandonedConnectionCleanupThread.java:84)

            at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)

            at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)

            at java.lang.Thread.run(Thread.java:750)

Answer 1

Hi, 404 error code means page doesn't exists. This may happen when you have provided a path where it's not configured on the Web app. Or this could be with the host name configuration of your bindings.