java.lang.NoClassDefFoundError: java.lang.management.ManagementFactory is a restricted class. Please see the Google App Engine developer's guide for more details.

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via Google Groups by Dmitriy S. Aleshkowsky, 1 year ago
java.lang.management.ManagementFactory is a restricted class. Please see the Google App Engine developer's guide for more details.
via Stack Overflow by user1057128
, 2 years ago
java.lang.management.ManagementFactory is a restricted class. Please see the Google App Engine developer's guide for more details.
via Google Groups by Muthukumaran Balan, 2 years ago
java.net.InetAddress is a restricted class. Please see the Google App Engine developer's guide for more details.
via Google Groups by Muthukumaran Balan, 2 years ago
java.net.InetAddress is a restricted class. Please see the Google App Engine developer's guide for more details.
via GitHub by notapresent
, 6 months ago
java.util.Optional is a restricted class. Please see the Google App Engine developer's guide for more details.
via gmane.org by Unknown author, 2 years ago
sun.reflect.ReflectionFactory is a restricted class. Please see the Google App Engine developer's guide for more details.
java.lang.NoClassDefFoundError: java.lang.management.ManagementFactory is a restricted class. Please see the Google App Engine developer's guide for more details.
at com.google.appengine.tools.development.agent.runtime.Runtime.reject(Runtime.java:51)
at com.mchange.v2.c3p0.management.ActiveManagementCoordinator.(ActiveManagementCoordinator.java:42)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(UnknownSource)
at com.google.appengine.tools.development.agent.runtime.Runtime.newInstance_(Runtime.java:112)
at com.google.appengine.tools.development.agent.runtime.Runtime.newInstance(Runtime.java:132)
at com.mchange.v2.c3p0.C3P0Registry.(C3P0Registry.java:134)
at com.mchange.v2.c3p0.impl.PoolBackedDataSourceBase.(PoolBackedDataSourceBase.java:228)
at com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource.(AbstractPoolBackedDataSource.java:62)
at com.mchange.v2.c3p0.ComboPooledDataSource.(ComboPooledDataSource.java:109)
at com.mchange.v2.c3p0.ComboPooledDataSource.(ComboPooledDataSource.java:105)
at play.db.DBPlugin.onApplicationStart(DBPlugin.java:68)
at play.Play.start(Play.java:426)
at play.Play.init(Play.java:274)
at play.server.ServletWrapper.contextInitialized(ServletWrapper.java:55)
at org.mortbay.jetty.handler.ContextHandler.startContext(ContextHandler.java:548)
at org.mortbay.jetty.servlet.Context.startContext(Context.java:136)
at org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1250)
at org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:517)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
at org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
at com.google.appengine.tools.development.JettyContainerService.startContainer(JettyContainerService.java:185)
at com.google.appengine.tools.development.AbstractContainerService.startup(AbstractContainerService.java:149)
at com.google.appengine.tools.development.DevAppServerImpl.start(DevAppServerImpl.java:219)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.(DevAppServerMain.java:113)

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