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ResourceCollection NPE in list() #5521

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gregw opened this issue Oct 28, 2020 · 2 comments · Fixed by #5527 or #5523
Closed

ResourceCollection NPE in list() #5521

gregw opened this issue Oct 28, 2020 · 2 comments · Fixed by #5527 or #5523
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@gregw

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@gregw
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gregw commented Oct 28, 2020

Jetty version
9.4.x

Description

Caused by: java.lang.NullPointerException: Cannot read the array length because "<local3>" is null
    at java.util.Collections.addAll (Collections.java:5592)
    at org.eclipse.jetty.util.resource.ResourceCollection.list (ResourceCollection.java:423)
    at org.eclipse.jetty.util.resource.Resource.getAllResources (Resource.java:886)
    at org.eclipse.jetty.annotations.AnnotationParser.parseDir (AnnotationParser.java:777)
    at org.eclipse.jetty.annotations.AnnotationParser.parse (AnnotationParser.java:735)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$ParserTask.call (AnnotationConfiguration.java:172)
    at org.eclipse.jetty.annotations.AnnotationConfiguration$1.run (AnnotationConfiguration.java:465)
@gregw gregw self-assigned this Oct 28, 2020
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection list NPE
0dc9f6c 
NPE check.
Note that I cannot work out how the none directory resource was added in the first place, so I was unable to reproduce the exact exception.
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection list NPE
1569437 
Refactor addPath in a simpler way, plus with TODOs to fix issues in 10 when merged.
@joakime
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joakime commented Oct 28, 2020 •
edited

Looks like the last commit broken jetty-maven-plugin's classloader.

It failed, consistently, across all JDKs.

Exception in thread "Thread-190" java.lang.NoClassDefFoundError: org/testcontainers/utility/PathUtils
	at org.testcontainers.utility.MountableFile.lambda$deleteOnExit$0(MountableFile.java:292)
       at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.ClassNotFoundException: org.testcontainers.utility.PathUtils
	at org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy.loadClass(SelfFirstStrategy.java:50)

gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection list NPE
6c7a63b 
Minimized changes in 9.  Will do bulk of changes in 10.
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection list NPE
2446ca3 
Fix from review. remove duplicate line.
@gregw gregw closed this as completed in 6698a31 Oct 28, 2020
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection NPE
a1e8375 
Fix constructor and addPath so that all resources in a RC must exist when created.
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection list NPE
19596b2 
Ensure that dirs passed to addPath end with / so they can be detected as dirs even if they do not exist.
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection NPE
6066574 
Cleanup the vestiges of non existent directories detected by resource ending in /
gregw added a commit that referenced this issue Oct 28, 2020
@gregw
Fixes #5521 ResourceCollection NPE
ae4f9f6 
Revert adding paths ending in / as jar:file resource needs them
@gregw gregw linked a pull request Oct 29, 2020 that will close this issue
Fixes #5521 ResourceCollection NPE #5527
Merged
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gregw commented Oct 29, 2020

Still work needed in jetty-10

@gregw gregw reopened this Oct 29, 2020
@gregw gregw linked a pull request Oct 29, 2020 that will close this issue
Fixes #5521 ResourceCollection list NPE #5523
Merged
@gregw gregw mentioned this issue Oct 29, 2020
Merged
@janbartel janbartel mentioned this issue Nov 3, 2020
Closed
@gregw gregw mentioned this issue Nov 3, 2020
Merged
gregw added a commit that referenced this issue Nov 4, 2020
@gregw
Fixes #5521 ResourceCollection NPE (#5527)
1904d32 
* Fixes #5521 ResourceCollection NPE

Fix constructor and addPath so that all resources in a RC must exist when created.

* Fixes #5521 ResourceCollection NPE

Cleanup the vestiges of non existent directories detected by resource ending in /

* Fixes #5521 ResourceCollection NPE

Revert adding paths ending in / as jar:file resource needs them

* feedback from review

improved javadoc.
@dependabot dependabot bot mentioned this issue Mar 15, 2021
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