我似乎再也无法在 Eclipse 上启动我的 gae 开发环境了。一旦我启动它，它就会进入调试视图，其中找不到具有非法参数异常的 PolicyUtil.getKeyStore 的源。有没有其他人有这个问题？我试过删除我的运行配置，但没有运气。
任何帮助深表感谢。这是堆栈跟踪：
{Daemon Thread [Thread-1] (Suspended (exception IllegalArgumentException))
PolicyUtil.getKeyStore(URL, String, String, String, String, Debug) line: 65
PolicyFile.init(URL, PolicyFile$PolicyInfo) line: 635
PolicyFile.access$400(PolicyFile, URL, PolicyFile$PolicyInfo) line: 266
PolicyFile$3.run() line: 546
AccessController.doPrivileged(PrivilegedAction<T>) line: not available [native method]
PolicyFile.initPolicyFile(String, String, PolicyFile$PolicyInfo) line: 519
PolicyFile.initPolicyFile(PolicyFile$PolicyInfo, URL) line: 505
PolicyFile.init(URL) line: 464
PolicyFile.<init>() line: 309
NativeConstructorAccessorImpl.newInstance0(Constructor, Object[]) line: not available [native method]
NativeConstructorAccessorImpl.newInstance(Object[]) line: 39
DelegatingConstructorAccessorImpl.newInstance(Object[]) line: 27
Constructor<T>.newInstance(Object...) line: 513
Class<T>.newInstance0() line: 355
Class<T>.newInstance() line: 308
Policy.getPolicyNoCheck() line: 167
ProtectionDomain.implies(Permission) line: 224
AccessControlContext.checkPermission(Permission) line: 352
AccessController.checkPermission(Permission) line: 546
SecurityManager.checkPermission(Permission) line: 532
Policy.getPolicy() line: 133
SecurityManagerInstaller.install(URL...) line: 81
DevAppServerFactory.createDevAppServer(File, File, File, String, int, boolean, boolean, Map<String,Object>) line: 136
DevAppServerFactory.createDevAppServer(File, File, File, String, int, boolean) line: 78
DevAppServerFactory.createDevAppServer(File, String, int) line: 52
DevAppServerMain$StartAction.apply() line: 175
Parser$ParseResult.applyArgs() line: 48
DevAppServerMain.<init>(String[]) line: 128
DevAppServerMain.main(String[]) line: 104}
我继续下载了最新的 GAE 和 eclipse 插件，希望能修复它，但没有运气。
问候，约翰