Troubleshooting Security

If you want to monitor security access, you can set the java.security.debug System property. To see a list of all debugging options, use the help setting:

java -Djava.security.debug=help

Note: Separate multiple options with a comma

The following table lists java.security.debug options and links to further information about each option:

Option	Description	Further Information
`all`	Turn on all debugging
`access`	Print all results from the `AccessController.checkPermission` method. You can use the following options with the `access` option: `stack`: Include stack trace `domain`: Dump all domains in context `failure`: Before throwing exception, dump stack and domain that do not have permission You can use the following options with the `stack` and `domain` options: `permission=<classname>`: Only dump output if specified permission is being checked `codebase=<URL>`: Only dump output if specified codebase is being checked	Permissions
`combiner`	`SubjectDomainCombiner` debugging	Permissions
`gssloginconfig`	Java GSS (Generic Security Services) login configuration file debugging	Java Generic Security Services: (Java GSS) and Kerberos Introduction to JAAS and Java GSS-API Tutorials `javax.security.auth.login.Configuration`: A Configuration object is responsible for specifying which `LoginModules` should be used for a particular application, and in what order the `LoginModules` should be invoked. JAAS Login Configuration File Advanced Security Programming in Java SE Authentication, Secure Communication and Single Sign-On
`configfile`	JAAS (Java Authentication and Authorization Service) configuration file loading	Java Authentication and Authorization Service (JAAS) Reference Guide Use of JAAS Login Utility and Java GSS-API for Secure Message Exchanges
`configparser`	JAAS configuration file parsing	Java Authentication and Authorization Service (JAAS) Reference Guide Use of JAAS Login Utility and Java GSS-API for Secure Message Exchanges
`jar`	JAR file verification	Verifying Signed JAR Files from The Java Tutorials
`logincontext`	`LoginContext` results	Permissions
`policy`	Loading and granting permissions with policy file	Set up the Policy File to Grant the Required Permissions (Controlling Applications) from The Java Tutorials Set up a Policy File to Grant the Required Permission (Controlling Applets) from The Java Tutorials policytool (Solaris and Linux) policytool (Windows) Default Policy Implementation and Policy File Syntax
`provider`	Security provider debugging	The Security Manager from The Java Tutorials
`scl`	Permissions SecureClassLoader assigns	Permissions