我有一个企业 java 应用程序,它有大量的 jar,这些 jar 通过 jnlp 文件下载到客户端的 jvm 缓存中。当我启动应用程序时,我在 Java 控制台上得到以下堆栈跟踪:
Exception in thread "AWT-EventQueue-1" java.lang.NullPointerException
at com.sun.deploy.ui.DialogTemplate.imageAvailable(Unknown Source)
at com.sun.deploy.ui.DialogTemplate.finalImageAvailable(Unknown Source)
at com.sun.deploy.ui.ImageLoader$2.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
Exception in thread "AWT-EventQueue-1" java.lang.NullPointerException
at com.sun.deploy.ui.DialogTemplate.imageAvailable(Unknown Source)
at com.sun.deploy.ui.DialogTemplate.finalImageAvailable(Unknown Source)
at com.sun.deploy.ui.ImageLoader$2.run(Unknown Source)
at java.awt.event.InvocationEvent.dispatch(Unknown Source)
at java.awt.EventQueue.dispatchEventImpl(Unknown Source)
at java.awt.EventQueue.access$200(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.awt.EventQueue$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.security.ProtectionDomain$1.doIntersectionPrivilege(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)
#### Java Web Start Error:
#### The Java security settings have prevented this application from running. You may change this behavior in the Java Control Panel.
我的 JNLP 文件如下所示,带有一些经过审查的描述:
<?xml version="1.0" encoding="utf-8"?>
<jnlp spec="1.0+" codebase="http://10.100.10.9/ikarusdelhitest/" href="ikarus.jnlp">
<information>
<title>ikarus</title>
<vendor>my company</vendor>
<homepage href="http://www.mycompanyaddress.com" />
<description>My enterprise java ee swing application</description>
<icon href="ikarus.jpg" />
<offline-allowed />
</information>
<security>
<all-permissions />
</security>
<resources>
<jar href="jars/ikarus/ikarusClient.jar" />
<jar href="jars/ikarus/ikarusDelegators.jar" />
<jar href="jars/ikarus/clientRules.jar" />
<jar href="jars/ikarus/ruleImps.jar" />
<jar href="jars/ikarus/ikarusUtil.jar" />
<jar href="jars/ikarus/ikarusResources.jar" />
<jar href="jars/ikarus/domain.jar" />
<jar href="jars/ikarus/domain_repository.jar" />
<jar href="jars/ikarus/domain_service.jar" />
<jar href="jars/ikarus/app_repository.jar" />
<jar href="jars/ikarus/app_service.jar" />
<jar href="jars/ikarus/infrastructure.jar" />
<jar href="jars/ikarus/integration_domain.jar" />
<jar href="jars/jboss_ejb_auth/ejb3-persistence.jar" />
<jar href="jars/jboss_ejb_auth/jboss-ejb3x.jar" />
<jar href="jars/jboss_ejb_auth/jbossall-client.jar" />
<jar href="jars/jasper/commons-beanutils-1.8.0.jar" />
<jar href="jars/jasper/commons-collections-3.2.1.jar" />
<jar href="jars/jasper/commons-digester-1.7.jar" />
<jar href="jars/jasper/commons-logging-1.1.jar" />
<jar href="jars/jasper/iText-2.1.0.jar" />
<jar href="jars/jasper/jasperreports-3.6.0.jar" />
<jar href="jars/jasper/poi-3.2-FINAL-20081019.jar" />
<property name="jnlp.localization" value="Delhi"/>
</resources>
<application-desc main-class="com.celebi.ikarus.main.Ikarus" />
另请注意,我在更多信息面板上获得了一些不同的异常详细信息:
com.sun.deploy.security.BlockedException: The Java security settings have prevented this application from running. You may change this behavior in the Java Control Panel.
at com.sun.deploy.security.SandboxSecurity.showBlockedDialog(Unknown Source)
at com.sun.javaws.security.AppPolicy.grantUnrestrictedAccess(Unknown Source)
at com.sun.javaws.security.AppPolicy.addPermissions(Unknown Source)
at com.sun.jnlp.JNLPClassLoader.getTrustedCodeSources(Unknown Source)
at com.sun.deploy.security.CPCallbackHandler$ParentCallback.strategy(Unknown Source)
at com.sun.deploy.security.CPCallbackHandler$ParentCallback.openClassPathElement(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.getJarFile(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.access$1000(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.ensureOpen(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$JarLoader.<init>(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath$3.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath.getLoader(Unknown Source)
at com.sun.deploy.security.DeployURLClassPath.getResource(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(Unknown Source)
at java.security.SecureClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.defineClass(Unknown Source)
at java.net.URLClassLoader.access$100(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.SecurityException: Invalid Permissions value: all-permissions
at com.sun.deploy.security.DeployManifestChecker.verify(Unknown Source)
at com.sun.deploy.security.DeployManifestChecker.verify(Unknown Source)
... 39 more
我对 Java 控制面板的安全性没有任何安全限制。处于中等水平如下:
感谢您的帮助
新编辑:当我尝试从 jvm 1.6 机器运行这个 jnlp 时,我得到了更多解释性堆栈跟踪,如下所示:
java.lang.NoClassDefFoundError: javax/ejb/EJBAccessException
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Unknown Source)
at java.lang.Class.getMethod0(Unknown Source)
at java.lang.Class.getMethod(Unknown Source)
at com.sun.javaws.Launcher.executeApplication(Unknown Source)
at com.sun.javaws.Launcher.executeMainClass(Unknown Source)
at com.sun.javaws.Launcher.doLaunchApp(Unknown Source)
at com.sun.javaws.Launcher.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: javax.ejb.EJBAccessException
at java.net.URLClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(Unknown Source)
at com.sun.jnlp.JNLPClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
最佳答案
我通过进入 Java 控制面板(“开始菜单”>“所有程序”>“Java”>“配置 Java”)并将两个 URL 添加到“安全编辑站点列表”来修复此问题。
http://androidscreencast.googlecode.com
对于 Mac 系统偏好 > Java
在哪里添加这些网站
Java 控制面板 > 安全选项卡 > 编辑站点列表 > 添加 > 应用 > 确定
关于Java jnlp 应用程序被安全设置阻止,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/20967995/