I gone through some available link like https://cloud.google.com/appengine/docs/standard/java11/java-differences, but I haven't found any proper steps to run locally and deploy to AppEngine. I'm facing this issue while I try to migrate our application from java8 to java11. Now I'm looking for steps to create right pom and yaml files to run locally and deploy to AppEngine.
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-clean-plugin:2.5:clean (default-clean) on project R2D2_SCB: Failed to clean project: Failed to delete C:\Timo\R2D2_SCB\target\R2D2_SCB\WEB-INF\lib\xercesMinimal-1.9.6.2.jar -> [Help 1] org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-clean-plugin:2.5:clean (default-clean) on project R2D2_SCB: Failed to clean project: Failed to delete C:\Timo\R2D2_SCB\target\R2D2_SCB\WEB-INF\lib\xercesMinimal-1.9.6.2.jar at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:215) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117) at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81) at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56) at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305) at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192) at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105) at org.apache.maven.cli.MavenCli.execute(MavenCli.java:956) at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:288) at org.apache.maven.cli.MavenCli.main(MavenCli.java:192) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.base/java.lang.reflect.Method.invoke(Method.java:566) at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282) at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225) at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406) at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347) Caused by: org.apache.maven.plugin.MojoExecutionException: Failed to clean project: Failed to delete C:\Timo\R2D2_SCB\target\R2D2_SCB\WEB-INF\lib\xercesMinimal-1.9.6.2.jar at org.apache.maven.plugin.clean.CleanMojo.execute(CleanMojo.java:215) at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137) at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210) ... 20 more Caused by: java.io.IOException: Failed to delete C:\Timo\R2D2_SCB\target\R2D2_SCB\WEB-INF\lib\xercesMinimal-1.9.6.2.jar at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:249) at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:191) at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:158) at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:158) at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:158) at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:158) at org.apache.maven.plugin.clean.Cleaner.delete(Cleaner.java:117) at org.apache.maven.plugin.clean.CleanMojo.execute(CleanMojo.java:193) ... 22 more [ERROR] [ERROR] [ERROR] For more information about the errors and possible solutions, please read the following articles: [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException
