Google App Engine with Java. Unable to start :(
I have a problem with GAE.
Even the simplest "helloworld" application doesn't work in Eclipse.
An error like this will appear:
java.lang.IllegalStateException: SecurityManagerInstaller must be loaded in the system ClassLoader; was sun.misc.Launcher$ExtClassLoader@35ce36
at com.google.apphosting.utils.security.SecurityManagerInstaller.generatePolicyFile(SecurityManagerInstaller.java:103)
at com.google.apphosting.utils.security.SecurityManagerInstaller.install(SecurityManagerInstaller.java:66)
at com.google.appengine.tools.development.DevAppServerFactory.createDevAppServer(DevAppServerFactory.java:72)
at com.google.appengine.tools.development.DevAppServerFactory.createDevAppServer(DevAppServerFactory.java:38)
at com.google.appengine.tools.development.DevAppServerMain$StartAction.apply(DevAppServerMain.java:153)
at com.google.appengine.tools.util.Parser$ParseResult.applyArgs(Parser.java:48)
at com.google.appengine.tools.development.DevAppServerMain.<init>(DevAppServerMain.java:113)
at com.google.appengine.tools.development.DevAppServerMain.main(DevAppServerMain.java:89)
What does this mean, any idea please? :)
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1 answer
Have you ruled out local JVM settings by creating a simple project and trying to run it?
What does it mean that GAE or something you wrote is deployed in your local GAE instance trying to load an invalid ClassLoader or third party jar.
It could also mean that you are trying to start one of the unavailable Java APIs like Threads, File I / O or others (see docs)
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