Searched on Google with the first line of a JAVA stack trace?

We can recommend more relevant solutions and speed up debugging when you paste your entire stack trace with the exception message. Try a sample exception.

Recommended solutions based on your search

Solutions on the web

via Google Groups by Eric Beck, 8 months ago
This exception has no message.
via Google Groups by GrecoJava, 8 months ago
via Jenkins JIRA by smina, 1 year ago
via Jenkins JIRA by smina, 2 years ago
via Oracle Community by User713324-Oracle, 8 hours ago
via Oracle Community by 843802, 2 years ago
java.lang.NullPointerException: 	at java.util.jar.JarVerifier.mapSignersToCodeSource(Unknown Source)	at java.util.jar.JarVerifier.mapSignersToCodeSources(Unknown Source)	at java.util.jar.JarVerifier.getCodeSources(Unknown Source)	at java.util.jar.JarFile.getCodeSources(Unknown Source)	at java.util.jar.JavaUtilJarAccessImpl.getCodeSources(Unknown Source)	at com.sun.deploy.cache.DeployCacheJarAccessImpl.getCodeSources(Unknown Source)	at Source)	at Source)	at com.sun.javaws.LaunchDownload.checkSignedResourcesHelper(Unknown Source)	at com.sun.javaws.LaunchDownload.checkSignedResources(Unknown Source)	at com.sun.javaws.Launcher.prepareResources(Unknown Source)	at com.sun.javaws.Launcher.prepareAllResources(Unknown Source)	at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)	at com.sun.javaws.Launcher.prepareToLaunch(Unknown Source)	at com.sun.javaws.Launcher.launch(Unknown Source)	at com.sun.javaws.Main.launchApp(Unknown Source)	at com.sun.javaws.Main.continueInSecureThread(Unknown Source)	at com.sun.javaws.Main$ Source)	at Source)