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Posted to dev@tomcat.apache.org by bu...@apache.org on 2017/10/02 11:40:05 UTC

[Bug 61581] New: SecurityException trying to access JNI classes in Drawboard example when running with SecurityManager

https://bz.apache.org/bugzilla/show_bug.cgi?id=61581

            Bug ID: 61581
           Summary: SecurityException trying to access JNI classes in
                    Drawboard example when running with SecurityManager
           Product: Tomcat 7
           Version: trunk
          Hardware: PC
            Status: NEW
          Severity: normal
          Priority: P2
         Component: WebSocket
          Assignee: dev@tomcat.apache.org
          Reporter: knst.kolinko@gmail.com
  Target Milestone: ---

Created attachment 35393
  --> https://bz.apache.org/bugzilla/attachment.cgi?id=35393&action=edit
catalina.2017-10-02.log

Smoke-testing release candidate of Tomcat 7.0.82.

Java 8u144, Windows, running with APR connector

Steps to reproduce:
1. Start Tomcat
2. Access
http://localhost:8080/examples/websocket/drawboard.xhtml
3. Actual result:
- At client: the page fails to complete loading. It displays some parts of the
page, but no drawboard area.
- At server: java.security.AccessControlException is logged

[[[
SEVERE: Unexpected exception: java.security.AccessControlException: access
denied ("java.lang.RuntimePermission"
"accessClassInPackage.org.apache.tomcat.jni")
java.security.AccessControlException: access denied
("java.lang.RuntimePermission" "accessClassInPackage.org.apache.tomcat.jni")
        at
java.security.AccessControlContext.checkPermission(AccessControlContext.java:472)
        at
java.security.AccessController.checkPermission(AccessController.java:884)
        at java.lang.SecurityManager.checkPermission(SecurityManager.java:549)
        at
java.lang.SecurityManager.checkPackageAccess(SecurityManager.java:1564)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:315)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:411)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        at
org.apache.coyote.http11.upgrade.AprServletOutputStream.doWriteInternal(AprServletOutputStream.java:135)
]]]

I am attaching catalina.2017-10-02.log file.

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[Bug 61581] SecurityException trying to access JNI classes in Drawboard example when running with SecurityManager

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=61581

Mark Thomas <ma...@apache.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #2 from Mark Thomas <ma...@apache.org> ---
Fixed in 7.0.x for 7.0.83 onwards.

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[Bug 61581] SecurityException trying to access JNI classes in Drawboard example when running with SecurityManager

Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=61581

Konstantin Kolinko <kn...@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 OS|                            |All
            Version|trunk                       |7.0.82

--- Comment #1 from Konstantin Kolinko <kn...@gmail.com> ---
AprServletOutputStream.java:135 is

  if (Status.APR_STATUS_IS_EAGAIN(-written)) {

APR_STATUS_IS_EAGAIN is a method, not a constant, and thus Java tries to load
the class.

If I preload the Status class the issue does not happen.


This is: to work-around this issue, add the following attribute to
JreMemoryLeakPreventionListener configured in conf/server.xml:

[[[
    classesToInitialize="org.apache.tomcat.jni.Status"
]]]

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