ass*_*ias 2 java securityexception classloader java-web-start
我有一个连接到 Web 服务的 webstart 应用程序。清单有:
Permissions: all-permissions
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jnlp 有:
<security>
<all-permissions/>
</security>
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但是,当创建到 Web 服务的连接时,我得到了一个java.lang.SecurityException: setContextClassLoader(完整的堆栈跟踪如下)。当我直接运行应用程序(没有 webstart)时,它工作正常。有什么我应该检查或更改我的设置来解决问题的吗?
注意:我使用的是 Java 8。该应用程序在构建 121 时运行良好,但在构建 123、124 或 125(最新的)时失败。所以要么我的设置很好并且在 b121 和 b123 之间引入了一个错误,要么在 b123 中修复了一个错误,这暴露了我的设置中的问题。
org.glassfish.hk2.api.MultiException: A MultiException has 2 exceptions. They are:
1. java.lang.SecurityException: setContextClassLoader
2. java.lang.IllegalStateException: Unable to perform operation: create on org.jvnet.hk2.internal.DynamicConfigurationServiceImpl
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:362) ~[na:na]
at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:454) ~[na:na]
at org.jvnet.hk2.internal.SingletonContext.findOrCreate(SingletonContext.java:119) ~[na:na]
at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2296) ~[na:na]
at org.jvnet.hk2.internal.ServiceLocatorImpl.getService(ServiceLocatorImpl.java:590) ~[na:na]
at org.jvnet.hk2.internal.ServiceLocatorImpl.getService(ServiceLocatorImpl.java:577) ~[na:na]
at org.glassfish.hk2.utilities.ServiceLocatorUtilities.enablePerThreadScope(ServiceLocatorUtilities.java:89) ~[na:na]
at org.glassfish.jersey.internal.inject.Injections._createLocator(Injections.java:144) ~[na:na]
at org.glassfish.jersey.internal.inject.Injections.createLocator(Injections.java:137) ~[na:na]
at org.glassfish.jersey.client.ClientConfig$State.initRuntime(ClientConfig.java:352) ~[na:na]
at org.glassfish.jersey.client.ClientConfig$State.access$000(ClientConfig.java:85) ~[na:na]
at org.glassfish.jersey.client.ClientConfig$State$3.get(ClientConfig.java:117) ~[na:na]
at org.glassfish.jersey.client.ClientConfig$State$3.get(ClientConfig.java:114) ~[na:na]
at org.glassfish.jersey.internal.util.collection.Values$LazyValue.get(Values.java:311) ~[na:na]
at org.glassfish.jersey.client.ClientConfig.getRuntime(ClientConfig.java:669) ~[na:na]
at org.glassfish.jersey.client.ClientRequest.getConfiguration(ClientRequest.java:214) ~[na:na]
at org.glassfish.jersey.client.JerseyInvocation.validateHttpMethodAndEntity(JerseyInvocation.java:124) ~[na:na]
at org.glassfish.jersey.client.JerseyInvocation.<init>(JerseyInvocation.java:97) ~[na:na]
at org.glassfish.jersey.client.JerseyInvocation.<init>(JerseyInvocation.java:90) ~[na:na]
at org.glassfish.jersey.client.JerseyInvocation$Builder.method(JerseyInvocation.java:396) ~[na:na]
at org.glassfish.jersey.client.JerseyInvocation$Builder.get(JerseyInvocation.java:296) ~[na:na]
at com.assylias.fund.master.impl.DefaultUserMaster.authenticate(DefaultUserMaster.java:55) ~[na:na]
at com.assylias.bigblue.gui.javafx.users.Login$AuthenticationTask.call(Login.java:342) ~[na:na]
at com.assylias.bigblue.gui.javafx.users.Login$AuthenticationTask.call(Login.java:325) ~[na:na]
at javafx.concurrent.Task$TaskCallable.call(Unknown Source) ~[na:na]
at java.util.concurrent.FutureTask.run(Unknown Source) ~[na:1.8.0-ea]
at java.util.concurrent.CompletableFuture$AsyncRun.exec(Unknown Source) ~[na:1.8.0-ea]
at java.util.concurrent.ForkJoinTask.doExec(Unknown Source) ~[na:1.8.0-ea]
at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(Unknown Source) ~[na:1.8.0-ea]
at java.util.concurrent.ForkJoinPool.scan(Unknown Source) ~[na:1.8.0-ea]
at java.util.concurrent.ForkJoinPool.runWorker(Unknown Source) ~[na:1.8.0-ea]
at java.util.concurrent.ForkJoinWorkerThread.run(Unknown Source) ~[na:1.8.0-ea]
Caused by: java.lang.SecurityException: setContextClassLoader
at java.util.concurrent.ForkJoinWorkerThread$InnocuousForkJoinWorkerThread.setContextClassLoader(Unknown Source) ~[na:1.8.0-ea]
at org.glassfish.hk2.utilities.reflection.ReflectionHelper$2.run(ReflectionHelper.java:1049) ~[na:na]
at java.security.AccessController.doPrivileged(Native Method) ~[na:1.8.0-ea]
at org.glassfish.hk2.utilities.reflection.ReflectionHelper.setContextClassLoader(ReflectionHelper.java:1045) ~[na:na]
at org.glassfish.hk2.utilities.reflection.ReflectionHelper.makeMe(ReflectionHelper.java:1101) ~[na:na]
at org.jvnet.hk2.internal.ClazzCreator.createMe(ClazzCreator.java:261) ~[na:na]
at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:336) ~[na:na]
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我应该更仔细地阅读堆栈跟踪。异常是由java.util.concurrent.ForkJoinWorkerThread$InnocuousForkJoinWorkerThread.setContextClassLoader默认的、无权限的工作线程引发的。在这篇文章之后进行了更改,这是差异。
我正在使用以下方式访问网络服务:
CompletableFuture.runAsync(accessWebservice());
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它使用默认的 ForkJoinPool 线程池,它本身依赖于 new InnocuousForkJoinWorkerThread,如果setContextClassLoader被调用则抛出异常。
解决方法:
CompletableFuture.runAsync(accessWebservice(), executor); //provide an executor
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