Bug ID: JDK-8155213 NPE in JarIndexWrapper if jar has no jar index

Type: Bug
Component: deploy
Sub-Component: webstart
Affected Version: 9

Priority: P3
Status: Resolved
Resolution: Duplicate
OS: windows_7
CPU: x86_64

Submitted: 2016-04-26
Updated: 2016-04-27
Resolved: 2016-04-27

FULL PRODUCT VERSION :
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+115)
Java HotSpot(TM) Client VM (build 9-ea+115, mixed mode)

ADDITIONAL OS VERSION INFORMATION :
Microsoft Windows [Version 6.1.7601]

A DESCRIPTION OF THE PROBLEM :
Can't launch WebStart applications.
Seems identical to JDK-8154155 - but with a different stack trace. Don't know if the fix hasn't made it into build 115 as promised or if the fix is non-functional.

REGRESSION.  Last worked in version 8u92

ADDITIONAL REGRESSION INFORMATION: 
java version "9-ea"
Java(TM) SE Runtime Environment (build 9-ea+115)
Java HotSpot(TM) Client VM (build 9-ea+115, mixed mode)

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
See JDK-8154155

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
See JDK-8154155
ACTUAL -
See JDK-8154155

ERROR MESSAGES/STACK TRACES THAT OCCUR :
java.lang.NullPointerException
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(java.base@9-ea/Native Method)
	at jdk.internal.reflect.NativeMethodAccessorImpl.invoke(java.base@9-ea/NativeMethodAccessorImpl.java:62)
	at jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(java.base@9-ea/DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(java.base@9-ea/Method.java:531)
	at com.sun.deploy.security.JarIndexWrapper.getJarFiles(jdk.deploy@9-ea/JarIndexWrapper.java:89)
	at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(jdk.deploy@9-ea/DeployURLClassPath.java:763)
	at com.sun.deploy.security.DeployURLClassPath$JarLoader$1.run(jdk.deploy@9-ea/DeployURLClassPath.java:755)
	at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
	at com.sun.deploy.security.DeployURLClassPath$JarLoader.ensureOpen(jdk.deploy@9-ea/DeployURLClassPath.java:754)
	at com.sun.deploy.security.DeployURLClassPath$JarLoader.<init>(jdk.deploy@9-ea/DeployURLClassPath.java:743)
	at com.sun.deploy.security.DeployURLClassPath$3.run(jdk.deploy@9-ea/DeployURLClassPath.java:429)
	at com.sun.deploy.security.DeployURLClassPath$3.run(jdk.deploy@9-ea/DeployURLClassPath.java:419)
	at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
	at com.sun.deploy.security.DeployURLClassPath.getLoader(jdk.deploy@9-ea/DeployURLClassPath.java:419)
	at com.sun.deploy.security.DeployURLClassPath.getLoader(jdk.deploy@9-ea/DeployURLClassPath.java:393)
	at com.sun.deploy.security.DeployURLClassPath.getResource(jdk.deploy@9-ea/DeployURLClassPath.java:251)
	at com.sun.deploy.security.DeployURLClassLoader$1.run(jdk.deploy@9-ea/DeployURLClassLoader.java:285)
	at com.sun.deploy.security.DeployURLClassLoader$1.run(jdk.deploy@9-ea/DeployURLClassLoader.java:282)
	at java.security.AccessController.doPrivileged(java.base@9-ea/Native Method)
	at com.sun.deploy.security.DeployURLClassLoader.findClass(jdk.deploy@9-ea/DeployURLClassLoader.java:281)
	at com.sun.jnlp.JNLPClassLoader.findClass(jdk.javaws@9-ea/JNLPClassLoader.java:372)
	at java.lang.ClassLoader.loadClass(java.base@9-ea/ClassLoader.java:486)
	at java.lang.ClassLoader.loadClass(java.base@9-ea/ClassLoader.java:473)
	at java.lang.ClassLoader.loadClass(java.base@9-ea/ClassLoader.java:419)
	at com.sun.javaws.Launcher.doLaunchApp(jdk.javaws@9-ea/Launcher.java:1495)
	at com.sun.javaws.Launcher.run(jdk.javaws@9-ea/Launcher.java:164)
	at java.lang.Thread.run(java.base@9-ea/Thread.java:804)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
See JDK-8154155
---------- END SOURCE ----------

This is a known issue with 9 ea b113 onwards when launching JWS applications, see JDK-8153736 Keeping this open to in order to reconfirm the fix once integrated to an ea build.

27-04-2016