JDK-6881317 : regression: NPE in CloseableURLClassLoader
  • Type: Bug
  • Component: tools
  • Sub-Component: javac
  • Affected Version: 6u27,7
  • Priority: P2
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2009-09-11
  • Updated: 2012-01-13
  • Resolved: 2012-01-13
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JDK 6 JDK 7 Other
6u27Fixed 7 b73Fixed OpenJDK6Fixed
Related Reports
Duplicate :  
JDK-7047323 - CloseableURLClassLoader throws a NullPointerException
Relates :  
JDK-6558476 - com/sun/tools/javac/Main.compile don't release file handles on return
Relates :  
JDK-6962236 - backport JavacFileManager fixes from 7 to 6-open
Description
Reported by Martin Buchholz
Here is the pertinent line:

Caused by: java.lang.NullPointerException
	at com.sun.tools.javac.util.CloseableURLClassLoader.close(CloseableURLClassLoader.java:73)


Here is the full strack trace.


ava.io.IOException: cannot close class loader
	at com.sun.tools.javac.util.CloseableURLClassLoader.close(CloseableURLClassLoader.java:77)
	at com.sun.tools.javac.processing.JavacProcessingEnvironment.close(JavacProcessingEnvironment.java:1008)
	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:752)
	at com.sun.tools.javac.main.Main.compile(Main.java:385)
	at com.sun.tools.javac.main.Main.compile(Main.java:309)
	at com.sun.tools.javac.main.Main.compile(Main.java:297)
	at com.sun.tools.javac.Main.compile(Main.java:82)
	at com.sun.tools.apt.main.Main.compile(Main.java:1089)
	at com.sun.tools.apt.Main.processing(Main.java:113)
	at com.sun.tools.apt.Main.process(Main.java:103)
	at com.sun.tools.apt.Main.process(Main.java:85)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at com.sun.tools.internal.jxc.SchemaGenerator$Runner.main(SchemaGenerator.java:215)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at com.sun.tools.internal.jxc.SchemaGenerator.run(SchemaGenerator.java:153)
	at com.sun.tools.internal.jxc.SchemaGenerator.run(SchemaGenerator.java:63)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:616)
	at com.sun.jck.lib.SchemaGen.generate(SchemaGen.java:84)
	at com.sun.jck.lib.SchemaGenInvoker.invoke(SchemaGenInvoker.java:114)
	at com.sun.jck.lib.Invoker.execute(Invoker.java:66)
	at com.sun.jck.lib.CompositeInvoker.invoke(CompositeInvoker.java:46)
	at com.sun.jck.lib.Invoker.execute(Invoker.java:66)
	at com.sun.jck.lib.Jxc.execute(Jxc.java:83)
	at com.sun.jck.lib.JaxbCommand.run(JaxbCommand.java:74)
	at com.sun.jck.lib.JaxbCommand.main(JaxbCommand.java:96)
Caused by: java.lang.NullPointerException
	at com.sun.tools.javac.util.CloseableURLClassLoader.close(CloseableURLClassLoader.java:73)
	... 33 more
Comments
EVALUATION Check for null.
11-09-2009