Sandro Boehme created SLING-6350:
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Summary: MountByFS does not work if the Provider Root mounts below
/libs or /apps and has more than 2 slashes
Key: SLING-6350
URL: https://issues.apache.org/jira/browse/SLING-6350
Project: Sling
Issue Type: Bug
Components: Extensions
Reporter: Sandro Boehme
If I mount a file system path to e.g. '/libs/sling/resource-editor' jsp changes
are not picked up by the jsp compiler.
FileMonitor.sendEvents(... ObservationReporter) gets an ObservationReporter as
a parameter that doesn't return ObserverConfigurations in
getObserverConfigurations() thus no changes are reported to the jsp compiler.
The reason is, that they are not added in it's constructor
(BasicObservationReporter:99) because 'providerPath.matches(p.getPath())'
returns false. If I manually change that in the debugger to true the mount
works well. In this example the providerPath is '/libs/sling/resource-editor'
and p.getPath() is 'glob:/libs/**/*.jsp'. (See patch for PathTest.java)
org.apache.sling.api.resource.path.Path.matches() in line 128 and following
counts three slashes for '/libs/sling/resource-editor' and uses the substring
of the glob expression until a fourth (3+1) slash or the end of the string.
This leads to a glob expression of 'glob:/libs/**/*.jsp' instead of
'glob:/libs/**' and returns false.
I don't have an overview of all use cases but judging from the PathTest the
amount of slashes counted should not exceed the amount of slashes in the glob
expression minus one if the glob expression uses an extension. I will add a
patch for org.apache.sling.api.resource.path.Path as well so you can choose not
to apply it if it's not correct.
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